--- title: "Chicago to Dublin cheap flights from $311 (ORD to DUB) - Expedia" description: "Book cheap Flights from Chicago (ORD) to Dublin (DUB) start at $311 for one-way and $633 for round trip. Earn your airline miles on top of our rewards!" canonical: "https://www.expedia.com/lp/flights/ord/dub/chicago-to-dublin" language: en-US market: US currency: USD prices_as_of: 2026-11-13T00:31:32Z --- # $311 Cheap Flights from Chicago (ORD) to Dublin (DUB) ![A historic church with a tall spire, surrounded by a well-maintained garden with vibrant tulips.](https://images.trvl-media.com/place/4347204/c52d718c-4ca4-4972-b698-bd5f20cf561f.jpg?impolicy=fcrop&w=1200&h=500&q=medium) [View $311 flight on Sun, Nov 29, 2026](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:11/29/2026TANYT&trip=oneway&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:310.50&airProductToken=AQprCjMI1KABEgMyNDQYrhwgi5IBKILAngMw58OeAzhUQABYAWoHRElTQ0lOVHIIVEwwRFNJMDUKNAjUoAESBDEzMjQYi5IBIIMNKJvFngMwysaeAzhUQAFYAWoHRElTQ0lOVHIIVEwwRFNJMDUSCggBEAEYASoCVFAYASIECAEQASgCKAMoBDAN) ## Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Dublin Airport (DUB) [Lufthansa](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:11/27/2026TANYT&leg2=from:DUB,to:ORD,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) [Aer Lingus](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:11/27/2026TANYT&leg2=from:DUB,to:ORD,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}]) [Brussels Airlines](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:11/27/2026TANYT&leg2=from:DUB,to:ORD,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SN"}}]) [Iberia](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:11/27/2026TANYT&leg2=from:DUB,to:ORD,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) [British Airways](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:11/27/2026TANYT&leg2=from:DUB,to:ORD,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) [Icelandair](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:11/27/2026TANYT&leg2=from:DUB,to:ORD,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FI"}}]) [Air Canada](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:11/27/2026TANYT&leg2=from:DUB,to:ORD,departure:12/4/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) ## Cheap Flights from Chicago to Dublin (ORD-DUB) Prices were available within the past 7 days and start at $311 for one-way flights and $633 for roundtrip, for the period specified. Prices and availability are subject to change. All deals One way Roundtrip [Select Icelandair flight, departing Tue, Feb 2 from Chicago to Dublin, returning Tue, Feb 9, priced at $633 Just found](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:2/2/2027TANYT&leg2=from:DUB,to:ORD,departure:2/9/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:632.69&airProductToken=AQpkCjAIxpIBEgM4NTIYrhwgiikovpqkAzC1naQDOE9AAFgBagVMSUdIVHIIT0oyUVVTTFQKMAjGkgESAzQxNhiKKSCDDSjsnaQDMIefpAM4T0ABWAFqBUxJR0hUcghPSjJRVVNMVApkCjAIxpIBEgM0MTcYgw0giikokuOkAzCy5KQDOE9AAFgBagVMSUdIVHIIT0oyUVVTTFQKMAjGkgESAzg1MxiKKSCuHCi-5aQDMNjopAM4T0ABWAFqBUxJR0hUcghPSjJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) Tue, Feb 2 - Tue, Feb 9 · ORD · DUB · Roundtrip [Select Icelandair flight, departing Wed, Apr 7 from Chicago to Dublin, returning Thu, Apr 15, priced at $637 Found 1 day ago](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:4/7/2027TANYT&leg2=from:DUB,to:ORD,departure:4/15/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:636.89&airProductToken=AQpkCjAIxpIBEgM4NTYYrhwgiiko7eupAzDa7qkDOE9AAFgBagVMSUdIVHIIT0oyUVVTTFQKMAjGkgESAzQxOBiKKSCDDSiq76kDMMXwqQM4T0ABWAFqBUxJR0hUcghPSjJRVVNMVApkCjAIxpIBEgM0MTcYgw0giikoo76qAzC-v6oDOE9AAFgBagVMSUdIVHIIT0oyUVVTTFQKMAjGkgESAzg1MxiKKSCuHCjZwKoDMPPDqgM4T0ABWAFqBUxJR0hUcghPSjJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) Wed, Apr 7 - Thu, Apr 15 · ORD · DUB · Roundtrip [Select Icelandair flight, departing Wed, Mar 3 from Chicago to Dublin, returning Fri, Mar 12, priced at $638 Found 3 hours ago](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:3/3/2027TANYT&leg2=from:DUB,to:ORD,departure:3/12/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:637.69&airProductToken=AQpkCjAIxpIBEgM4NTIYrhwgiiko3uCmAzDV46YDOE9AAFgBagVMSUdIVHIIT0oyUVVTTFQKMAjGkgESAzQxNhiKKSCDDSiM5KYDMKflpgM4T0ABWAFqBUxJR0hUcghPSjJRVVNMVApkCjAIxpIBEgM0MTcYgw0giiko8r-nAzCSwacDOE9AAFgBagVMSUdIVHIIT08yUVVTTFQKMAjGkgESAzg1MxiKKSCuHCiewqcDMLjFpwM4T0ABWAFqBUxJR0hUcghPTzJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) Wed, Mar 3 - Fri, Mar 12 · ORD · DUB · Roundtrip [Select Icelandair flight, departing Wed, Mar 17 from Chicago to Dublin, returning Wed, Mar 24, priced at $643 Found 20 hours ago](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:3/17/2027TANYT&leg2=from:DUB,to:ORD,departure:3/24/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:642.49&airProductToken=AQpkCjAIxpIBEgM4NTIYrhwgiikonv6nAzCVgagDOE9AAFgBagVMSUdIVHIIT08yUVVTTFQKMAjGkgESAzQxNhiKKSCDDSjMgagDMOeCqAM4T0ABWAFqBUxJR0hUcghPTzJRVVNMVApkCjAIxpIBEgM0MTcYgw0giiko8saoAzCSyKgDOE9AAFgBagVMSUdIVHIIT08yUVVTTFQKMAjGkgESAzg1MxiKKSCuHCieyagDMLjMqAM4T0ABWAFqBUxJR0hUcghPTzJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) Wed, Mar 17 - Wed, Mar 24 · ORD · DUB · Roundtrip [Select Icelandair flight, departing Wed, Mar 10 from Chicago to Dublin, returning Thu, Mar 18, priced at $643 Found 4 hours ago](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:3/10/2027TANYT&leg2=from:DUB,to:ORD,departure:3/18/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:642.69&airProductToken=AQpkCjAIxpIBEgM4NTIYrhwgiikovq-nAzC1sqcDOE9AAFgBagVMSUdIVHIIT08yUVVTTFQKMAjGkgESAzQxNhiKKSCDDSjssqcDMIe0pwM4T0ABWAFqBUxJR0hUcghPTzJRVVNMVApkCjAIxpIBEgM0MTcYgw0giikosoOoAzDShKgDOE9AAFgBagVMSUdIVHIIT08yUVVTTFQKMAjGkgESAzg1MxiKKSCuHCjehagDMPiIqAM4T0ABWAFqBUxJR0hUcghPTzJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) Wed, Mar 10 - Thu, Mar 18 · ORD · DUB · Roundtrip [Select TAP Portugal flight, departing Wed, Mar 3 from Chicago to Dublin, returning Fri, Mar 12, priced at $644 Found 3 hours ago](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:3/3/2027TANYT&leg2=from:DUB,to:ORD,departure:3/12/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:643.59&airProductToken=AQp5CjQI1KABEgMyNDQYrhwgi5IBKPzgpgMw4eSmAzhUQABYAWoIRElTQ09VTlRyCFRMMERTSTgxCkEI1KABEgQxMzI2GIuSASCDDSiJ6qYDMLjrpgM4VEABWAFqCERJU0NPVU5UcghUTDBEU0k4MXoKCM6SARIEMTMyNgp5CkEI1KABEgQxMzI3GIMNIIuSASjJvKcDMPi9pwM4VEAAWAFqCERJU0NPVU5UcghUTDBEU0k4MXoKCM6SARIEMTMyNwo0CNSgARIDMjQzGIuSASCuHCiLwKcDMMrEpwM4VEABWAFqCERJU0NPVU5UcghUTDBEU0k4MRIKCAEQARgBKgJUUBgBIgQIARABKAIoAygEMAE) Wed, Mar 3 - Fri, Mar 12 · ORD · DUB · Roundtrip [Select Icelandair flight, departing Wed, Mar 31 from Chicago to Dublin, returning Fri, Apr 9, priced at $647 Found 16 hours ago](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:3/31/2027TANYT&leg2=from:DUB,to:ORD,departure:4/9/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:646.99&airProductToken=AQpkCjAIxpIBEgM4NTIYrhwgiiko2ZupAzDQnqkDOE9AAFgBagVMSUdIVHIIT08yUVVTTFQKMAjGkgESAzQxNhiKKSCDDSiCn6kDMJ2gqQM4T0ABWAFqBUxJR0hUcghPTzJRVVNMVApkCjAIxpIBEgM0MTcYgw0giiko4%5FqpAzD--6kDOE9AAFgBagVMSUdIVHIIT08yUVVTTFQKMAjGkgESAzg1MxiKKSCuHCiZ%5FakDMLOAqgM4T0ABWAFqBUxJR0hUcghPTzJRVVNMVBIKCAEQARgBKgJGSRgBIgQIARABKAIoAygEMAE) Wed, Mar 31 - Fri, Apr 9 · ORD · DUB · Roundtrip [Select American Airlines flight, departing Sun, Apr 18 from Chicago to Dublin, returning Sun, Apr 25, priced at $654 Found 11 hours ago](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:4/18/2027TANYT&leg2=from:DUB,to:ORD,departure:4/25/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:653.89&airProductToken=AQqaAQoyCMGCARIEMzYwOBiuHCCYzgEo0OKqAzC546oDOE9AAFgBagVOT0JBR3IIT0xYOUM5QlYKMQjCggESAjkyGJjOASDriQEokuWqAzDA6KoDOE9AAVgBagVOT0JBR3IIT0xYOUM5QlYKMQjCggESAzgyNhjriQEggw0os-mqAzCI6qoDOE9AAVgBagVOT0JBR3IIT0xYOUM5QlYSCggBEAEYASoCQkEYASIECAEQASgCKAMoBDAN) Sun, Apr 18 - Sun, Apr 25 · ORD · DUB · Roundtrip [Select SAS flight, departing Sat, Mar 6 from Chicago to Dublin, returning Thu, Mar 11, priced at $668 Found 16 hours ago](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:3/6/2027TANYT&leg2=from:DUB,to:ORD,departure:3/11/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:667.69&airProductToken=AQpkCjAI05YBEgM5NDQYrhwg4jso5oKnAzDQhqcDOFRAAFgBagVMSUdIVHIIVExXQTZHSFQKMAjTlgESAzUzNxjiOyCDDSjwkacDMIGTpwM4VEABWAFqBUxJR0hUcghUTFdBNkdIVAplCjEI05YBEgQyNTM4GIMNIOI7KJm4pwMwlrmnAzhMQABYAWoFTElHSFRyCExMV0E2R0hUCjAI05YBEgM5NDMY4jsgrhwo6sCnAzCVxacDOExAAVgBagVMSUdIVHIITExXQTZHSFQSCggBEAEYASoCU0sYASIECAEQASgCKAMoBDAB) Sat, Mar 6 - Thu, Mar 11 · ORD · DUB · Roundtrip [Select United flight, departing Mon, Sep 6 from Chicago to Dublin, returning Thu, Sep 16, priced at $703 Found 23 hours ago](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:9/6/2027TANYT&leg2=from:DUB,to:ORD,departure:9/16/2027TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&flp=mdl:flights-flex-module,price:702.89&airProductToken=AQo3CjUI1YIBEgM5ODAYrhwggw0o8Ji3AzCtnLcDOExAAFgBagoxX2Jhc2ljZWNvcghMTEk5MFRCUQqIAQpCCNWCARIEODI3ORiDDSCYXSjSgbgDMNOEuAM4TEAAWAFqCjFfYmFzaWNlY29yCExMSTkwVEJRegoIwYYBEgQ4Mjc5CkII1YIBEgQ4MDk0GJhdIK4cKLyFuAMw2Ya4AzhMQABYAWoKMV9iYXNpY2Vjb3IITExJOTBUQlF6CgjBhgESBDgwOTQSCggBEAEYASoCVUEYASIECAEQASgCKAMoBDAL) Mon, Sep 6 - Thu, Sep 16 · ORD · DUB · Roundtrip ## Alternative airports near Dublin Prices were available within the past 7 days. Prices and availability are subject to change. [Select flight to Dublin Airport DUB. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $1,246](https://www.expedia.com/Flights-Search?leg1=from:ORD,to:DUB,departure:11/27/2026TANYT&leg2=from:DUB,to:ORD,departure:11/29/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) 14 min ## Find the cheapest month to fly from Chicago (ORD) to Dublin (DUB) ### February is typically the cheapest month to fly From $489 - $743 per traveler. View flights in February Insights are based on prices from searches for economy trips of 10 days or less on our sites in the last 12 months. Insights are informative only and current prices may differ. ## Book with confidence ### Chicago (ORD) to Dublin (DUB) at a glance Travel from Chicago (ORD) to Dublin (DUB) with a range of airlines offering weekly flights on this international long-haul route. Discover options for flights to Dublin from both full-service and low-cost carriers, ensuring you find the best fit for your budget and schedule as you plan to explore Dublin's iconic landmarks and vibrant neighborhoods. Check out the essential details for flights departing from O'Hare International Airport (ORD) to Dublin Airport (DUB). - **Fastest flight duration**: around 7h 30m non-stop - **Route distance**: roughly 3,700 miles (5,950 km) - **Flights per week**: around 15+ flights with multiple daily departures on average - **Typical fares (one-way)**: economy tickets often range from $215–$675, depending on seasonality and how far ahead you book ### Flights from O'Hare International Airport (ORD) to Dublin Airport (DUB) Based on the latest traveler bookings, here are the top airlines favored for flights from Chicago to Dublin, featuring both non-stop and one-stop options. Popular layover points include Keflavik International Airport (KEF) with a 55-minute stop, Pearson International Airport (YYZ) with a 2-hour and 45-minute layover, and Newark Liberty International Airport (EWR) offering a 2-hour layover. These choices provide the flexibility to balance price, total travel time, and cabin class to help you find the ideal itinerary. - **[Aer Lingus](https://www.expedia.com/lp/flight-routes/aer-lingus-from-ohare-intl-to-dublin/ei/ord/dub)**: This full-service airline provides both non-stop and one-stop options, with one-way fares generally between $225 and $590\. It represents around 38% of flights on this route, and a typical non-stop flight lasts about 7 hours and 30 minutes. - **[United](https://www.expedia.com/lp/flight-routes/united-from-ohare-intl-to-dublin/ua/ord/dub)**: Another full-service option, United offers non-stop and one-stop services, with one-way ticket prices typically ranging from $260 to $740\. This airline accounts for approximately 26% of departures, with non-stop flights also taking around 7 hours and 30 minutes. - **[American Airlines](https://www.expedia.com/lp/flight-routes/american-airlines-from-ohare-intl-to-dublin/aa/ord/dub)**: As a full-service carrier, American Airlines provides both non-stop and one-stop services. Fares usually range from $330 to $775, covering about 15% of the route's departures, with a standard non-stop journey time of 7 hours and 30 minutes. - **[Icelandair](https://www.expedia.com/icelandair-flights.cfi.travel-guide-airlines)**: Specializing in one-stop flights, Icelandair offers one-way prices typically between $215 and $750\. It makes up roughly 7% of departures, with an in-flight duration of 8 hours and 45 minutes, leading to a total journey time of about 10 hours and 45 minutes including layovers. - **[Iberia](https://www.expedia.com/iberia-flights.cib.travel-guide-airlines)**: This full-service airline provides both non-stop and one-stop services, with one-way fares generally ranging from $215 to $745\. Iberia accounts for approximately 3% of departures on this route, featuring a standard non-stop travel time of 7 hours and 30 minutes. Travelers have the option to upgrade their flight from Chicago to Dublin. Top airlines include United, which offers both business class and premium economy, Aer Lingus with its business class service, and American Airlines, providing both business class and premium economy options as well. ### Best time to fly from Chicago (ORD) to Dublin (DUB) The most popular months for travelers flying from Chicago to Dublin are **March, June, and July**, when peak temperatures in Dublin reach up to 59.2°F in July. If you prefer quieter travel, consider **November**, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 46.8°F. For better deals, **January** usually offers the lowest average one-way fare around **$347**. Flight availability peaks in **March**, with approximately 28 flights per week, making it easier to find convenient departure times. **January and February** have the fewest flights, with approximately 12 flights per week. - **Cheapest time to fly:** January usually offers good deals with average one-way fare around **$347**, roughly 19% cheaper than the yearly average. - **More budget-friendly months to fly:** November and April typically offer average one-way fares roughly ranging from **$367** to **$380**. - **Most flight options:** March has the highest number of flights from Chicago to Dublin, with approximately **28 flights per week**, giving you more flexibility in scheduling your trip. | **Month** | **Temperature** | **Demand** | **Weekly Flights** | **Average one-way Fare** | | --------- | --------------- | ---------- | ------------------ | ------------------------ | | January | 41.9°F (5.5°C) | Average | 12 | $347 | | February | 42.6°F (5.9°C) | Average | 12 | $387 | | March | 43.9°F (6.6°C) | High | 28 | $402 | | April | 46.8°F (8.2°C) | Average | 14 | $380 | | May | 51.4°F (10.8°C) | Average | 20 | $481 | | June | 56.3°F (13.5°C) | High | 25 | $519 | | July | 59.2°F (15.1°C) | High | 23 | $467 | | August | 58.6°F (14.8°C) | Average | 27 | $494 | | September | 55.9°F (13.3°C) | Average | 20 | $437 | | October | 52.3°F (11.3°C) | Low | 15 | $420 | | November | 46.8°F (8.2°C) | Low | 14 | $367 | | December | 43.5°F (6.4°C) | Low | 18 | $454 | \*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand. ### Alternative routes from Chicago (ORD) to Dublin (DUB) - **Chicago to Dublin ([MDW-DUB](https://www.expedia.com/lp/flights/mdw/dub/chicago-to-dublin))**: Midway International Airport (MDW) is located approximately 16 miles from O'Hare International Airport (ORD). - **Chicago to Waterford ([ORD-WAT](https://www.expedia.com/lp/flights/ord/wat/chicago-to-waterford))**: Waterford Airport (WAT) lies roughly 93 miles from Dublin Airport (DUB). ### How to find the best prices for flights from Chicago (ORD) to Dublin (DUB) Getting some of the best [deals on flights](https://www.expedia.com/flight-deals) from Chicago to Dublin is all about timing and flexibility. Here are some key tips to help you save: 1. **Best times to book and fly:** cheaper fares are usually available when booking at least two months in advance, which is also when most travelers make their reservations. Evening departures between 6 PM and midnight tend to offer lower prices and are popular among travelers, while flying on Wednesday provides both affordability and is the most favored travel day. 2. **Set up price alerts:** stay updated on price changes by using [Expedia's Price Tracker](https://www.expedia.com/why/price-tracking). Receive alerts when fares drop for your selected route. 3. **Bundle and save:** bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.\* 4. **Compare flight options:** use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options. 5. **Stay flexible with dates:** being open to different travel days can sometimes help you find better prices on flights and hotels. 6. **Think about luggage:** nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport. \*Members only. Savings vary and are not available on all bundles. Select hotels. ### Arriving at Dublin Airport from O'Hare International Airport Dublin welcomes travelers from Chicago with a range of transport options based on price, convenience, and proximity. Dublin city center is approximately a 15-minute drive (covering about 8 miles) from Dublin Airport, depending on traffic. Here's how to reach Dublin efficiently: - **Hotel transfer:** Transfers offer a convenient way to reach your hotel in Dublin, with private rides that can be arranged in advance. - **Car rental:** Renting a car from Dublin Airport is a great option if you plan to explore and sightsee beyond the city. Browse [cheap car rentals at Dublin Airport](https://www.expedia.com/car-rentals-in-dublin.d4347204.car-rental-guide) on Expedia. - **Taxi/ride-hailing:** Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival. - **Public transportation:** From Dublin Airport, several key transport options are a short drive away. Dublin Howth Junction Station, a train station, is located about 4.9 miles from the airport, while Phibsborough Tram Stop, a metro station, is around 6.2 miles away. Additionally, 3Arena Seaport, a seaport, sits about 6.7 miles from the airport, all typically reached by car. ### Chicago to Dublin Flights ### The cheapest times to fly from Chicago to Dublin On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Dublin are during the month of February. You can find some of the cheapest flights from Chicago to Dublin with Expedia's search tool and vast selection of airlines. ### The best time to book a flight from Chicago to Dublin Sunday is one of the best days to book for cheap flights from Chicago to Dublin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. ### How to find cheap round-trip tickets from Chicago to Dublin Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Dublin in 2026\. You can also book with separate airlines for your outbound and return journeys, from $311 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Dublin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Chicago to Dublin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. *\*Terms apply.* *Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. The percentages you see are averages.* ## Frequently Asked Questions ### How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) cost? You can find cheap one-way flights from $311 and cheap return flights $633 Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) with Expedia. One-way flights typically cost between $474 and $3896, and return flights often range between $668 and $8499\. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) ticket fares go up or down. *\*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.* ### What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? February is the cheapest month to fly from Chicago to Dublin, with average return fares around $625\. This price is about 18% lower than the average throughout the year, as demand tends to decrease after the holiday season. Other budget-friendly months include January and November. *\*Averages based on flights available on Expedia in the last year.* ### Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? 3 airlines operate nonstop service from ORD to DUB: - Aer Lingus operates around 13 direct flights from ORD to DUB every week - United operates around 7 direct flights from ORD to DUB every week - American Airlines operates around 7 direct flights from ORD to DUB every week ### What is the cheapest airline that flies from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? United is one of the cheapest airlines offering nonstop flights from Chicago, IL (ORD) to Dublin (DUB), with return tickets starting from around $1,237\. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget. *\*Prices based on flights available on Expedia in the last year.* ### How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? To find a cheap flight from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up [Price Tracking](https://www.expedia.com/why/price-tracking) and receive alerts when fares go up or down. ### What is the best airline to fly with from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? The best airline to fly with from Chicago, IL (ORD) to Dublin (DUB) will differ from traveler to traveler. If you like to fly early, Aer Lingus offers early morning flights. If price is the most important factor, United typically offers the lowest fares. American Airlines offers the most daily flights from ORD to DUB, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access. ### What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? For flights from Chicago O'Hare International Airport (ORD) to Dublin (DUB), February and November are the best months to consider. Return flights during these months average around $625, making them a cost-effective choice. February typically has fewer crowds, while November offers a mild climate, enhancing your travel experience. This information is based on booking data from the past year. *\*Prices based on flights available on Expedia in the last year.* ### How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? There are approximately 3 nonstop flights per day from O'Hare Intl. (ORD) to (DUB). For more options, look at flights that include layovers. ### What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from ORD to DUB. To compare more early flights, use the "Early Morning" and "Morning" filters in your search. ### What are the most popular departure times for flights from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? The most popular departure times for flights from Chicago (ORD-O'Hare Intl.) to Dublin (DUB) are in the evening, from 6pm to 9pm. About 31% of passengers prefer this time window. Many major carriers, including United, Aer Lingus and American Airlines, offer flights during this window. This timing is popular because it allows you to spend the day in Chicago before heading off to Dublin. ### How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? Flying nonstop from ORD to DUB takes around 7 hours 30 minutes, with the route covering approximately 3,664 miles. Flights with a layover typically take 5 hours 50 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic. ### Can you fly business or first class from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? You can fly business class between ORD and DUB. Airlines that offer business class service on this route include: - Icelandair - SAS - Air Canada - Finnair - Swiss International Air Lines - KLM - Aer Lingus - United Airlines - TAP Portugal - Turkish Airlines First class cabins are available on: - United Airlines - Lufthansa - Swiss International Air Lines ### How much is a business class flight from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? A direct, return business class ticket from Chicago, IL (ORD) to Dublin (DUB) typically costs between $5,942 - $7,842\. A non-stop, one-way business class flight is usually around $3,674 - $8,263\. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) if you opt for a connecting flight. *\*Prices based on flights available on Expedia in the last year.* ### How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) flight with Expedia? It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of [One Key™](https://www.expedia.com/welcome-one-key), you can also earn OneKeyCash™\* on top of your airline miles when you book with Expedia. \*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands. ### Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) at the last minute? Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare. ### Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) flight and hotel package? Securing a Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) [Dublin Vacation Packages](https://www.expedia.com/dublin.d178256.destination-travel-guides) is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars. ### Can I cancel or change the date of my flight from Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB)? If you booked your Chicago, IL (ORD-O'Hare Intl.) to Dublin (DUB) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in [your itinerary](https://www.expedia.com/trips) or confirmation email. Or, head to our [Customer Service portal](https://www.expedia.com/helpcenter/) if you'd like more information. ## Travel information | Origin airport | Chicago O'Hare Intl. Airport | | ------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Dublin Airport | | Distance | 3,664 miles away | | Airlines serving | Lufthansa, Aer Lingus, Brussels Airlines, Iberia, British Airways, Icelandair, Air Canada, SAS, Swiss International Air Lines, American Airlines, Delta, United, TAP Portugal, KLM, Finnair, JetBlue Airways, Air France, Turkish Airlines, Egyptair | | Popular airline | Lufthansa | | Roundtrip price | $633 | | Average flight time | 7 hours 28 mins | ## Explore a world of travel with Expedia - [Flights](?equalTargetTab=tab-0) - [Flights from Toronto (YYZ) to Dublin (DUB)](https://www.expedia.com/lp/flights/yyz/dub/toronto-to-dublin) - [Flights from Albuquerque (ABQ) to Dublin (DUB)](https://www.expedia.com/lp/flights/abq/dub/albuquerque-to-dublin) - [Flights from Frankfurt (FRA) to Dublin (DUB)](https://www.expedia.com/lp/flights/fra/dub/frankfurt-to-dublin) - [Flights from Prague (PRG) to Dublin (DUB)](https://www.expedia.com/lp/flights/prg/dub/prague-to-dublin) - [Flights from Newark Liberty Intl. 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[Flights from Spokane (GEG) to Dublin (DUB)](https://www.expedia.com/lp/flights/geg/dub/spokane-to-dublin) \*Available to One Key members. ## Other language versions ```yaml hreflang: x-default: https://www.expedia.com/lp/flights/ord/dub/chicago-to-dublin en-AU: https://www.expedia.com.au/lp/flights/ord/dub/chicago-to-dublin da-DK: https://www.expedia.dk/lp/fly/ord/dub/chicago-til-dublin en-NZ: https://www.expedia.co.nz/lp/flights/ord/dub/chicago-to-dublin en-SG: https://www.expedia.com.sg/lp/flights/ord/dub/chicago-to-dublin fi-FI: https://www.expedia.fi/lp/lennot/ord/dub/chicago-dublin it-IT: https://www.expedia.it/lp/voli/ord/dub/chicago-a-dublino es: https://www.expedia.com/es/lp/vuelos/ord/dub/chicago-a-dublin en-JP: https://www.expedia.co.jp/en/lp/flights/ord/dub/chicago-to-dublin de-AT: https://www.expedia.at/lp/fluge/ord/dub/chicago-nach-dublin ko-KR: https://www.expedia.co.kr/lp/flights/ord/dub/chicago-to-dublin pt-BR: https://www.expedia.com.br/lp/voos/ord/dub/chicago-para-dublin nl-NL: https://www.expedia.nl/lp/vluchten/ord/dub/chicago-naar-dublin en-IN: https://www.expedia.co.in/lp/flights/ord/dub/chicago-to-dublin en-GB: https://www.expedia.co.uk/lp/flights/ord/dub/chicago-to-dublin de-DE: https://www.expedia.de/lp/fluge/ord/dub/chicago-nach-dublin en-TW: https://www.expedia.com.tw/en/lp/flights/ord/dub/chicago-to-dublin en-US: https://www.expedia.com/lp/flights/ord/dub/chicago-to-dublin ar: https://www.expedia.sa/lp/flights/ord/dub/chicago-to-dublin nl-BE: https://www.expedia.be/lp/vluchten/ord/dub/chicago-naar-dublin en-CA: https://www.expedia.ca/lp/flights/ord/dub/chicago-to-dublin en-IE: https://www.expedia.ie/lp/flights/ord/dub/chicago-to-dublin fr-FR: https://www.expedia.fr/lp/vols/ord/dub/chicago-a-dublin ja-JP: https://www.expedia.co.jp/lp/flights/ord/dub/chicago-to-dublin sv-SE: https://www.expedia.se/lp/flyg/ord/dub/chicago-till-dublin es-MX: https://www.expedia.mx/lp/vuelos/ord/dub/chicago-a-dublin nb-NO: https://www.expedia.no/lp/fly/ord/dub/chicago-til-dublin ```