Popular airlines from Chicago to Dublin (DUB)
LufthansaLufthansa
Aer LingusAer Lingus
IberiaIberia
British AirwaysBritish Airways
Brussels AirlinesBrussels Airlines
Air CanadaAir Canada
IcelandairIcelandair
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Today's featured flight deals from Chicago to Dublin (DUB)
- Chicago (ORD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Sat, Oct 25 at 9:15pm from Chicago, arriving on Sun, Oct 26 at 9:40am in Dublin.Returning on Sat, Nov 1 at 11:30am from Dublin, arriving at 3:00pm in Chicago.Select Aer Lingus flight departing on Sat, Oct 25 at 9:15pm from Chicago, returning on Sat, Nov 1 at 11:30am from Dublin priced at $51945% less than typical$519
- Chicago (ORD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Wed, Oct 29 at 8:40pm from Chicago, arriving on Thu, Oct 30 at 9:00am in Dublin.Returning on Wed, Nov 5 at 3:20pm from Dublin, arriving at 5:55pm in Chicago.Select Aer Lingus flight departing on Wed, Oct 29 at 8:40pm from Chicago, returning on Wed, Nov 5 at 3:20pm from Dublin priced at $41950% less than typical$419
- Chicago (ORD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Mon, Oct 27 at 8:40pm from Chicago, arriving on Tue, Oct 28 at 9:00am in Dublin.Returning on Mon, Nov 3 at 11:30am from Dublin, arriving at 2:00pm in Chicago.Select Aer Lingus flight departing on Mon, Oct 27 at 8:40pm from Chicago, returning on Mon, Nov 3 at 11:30am from Dublin priced at $46945% less than typical$469
- Chicago (ORD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Tue, Oct 28 at 8:40pm from Chicago, arriving on Wed, Oct 29 at 9:00am in Dublin.Returning on Tue, Nov 4 at 3:20pm from Dublin, arriving at 5:55pm in Chicago.Select Aer Lingus flight departing on Tue, Oct 28 at 8:40pm from Chicago, returning on Tue, Nov 4 at 3:20pm from Dublin priced at $41945% less than typical$419
- Chicago (ORD) to Dublin (DUB).United, nonstop.Departing on Thu, Oct 23 at 8:20pm from Chicago, arriving on Fri, Oct 24 at 9:45am in Dublin.Returning on Thu, Oct 30 at 10:50am from Dublin, arriving at 7:25pm in Chicago.Select United flight departing on Thu, Oct 23 at 8:20pm from Chicago, returning on Thu, Oct 30 at 10:50am from Dublin priced at $64530% less than typical$645
- Chicago (ORD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Thu, Oct 30 at 8:40pm from Chicago, arriving on Fri, Oct 31 at 9:00am in Dublin.Returning on Thu, Nov 6 at 11:30am from Dublin, arriving at 2:00pm in Chicago.Select Aer Lingus flight departing on Thu, Oct 30 at 8:40pm from Chicago, returning on Thu, Nov 6 at 11:30am from Dublin priced at $46940% less than typical$469
- Chicago (ORD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Thu, Oct 30 at 8:40pm from Chicago, arriving on Fri, Oct 31 at 9:00am in Dublin.Returning on Thu, Nov 6 at 3:20pm from Dublin, arriving at 5:55pm in Chicago.Select Aer Lingus flight departing on Thu, Oct 30 at 8:40pm from Chicago, returning on Thu, Nov 6 at 3:20pm from Dublin priced at $46940% less than typical$469
- Chicago (ORD) to Dublin (DUB).United, nonstop.Departing on Thu, Oct 30 at 7:35pm from Chicago, arriving on Fri, Oct 31 at 8:10am in Dublin.Returning on Thu, Nov 6 at 10:40am from Dublin, arriving at 1:30pm in Chicago.Select United flight departing on Thu, Oct 30 at 7:35pm from Chicago, returning on Thu, Nov 6 at 10:40am from Dublin priced at $51935% less than typical$519
- Chicago (ORD) to Dublin (DUB).Aer Lingus, nonstop.Departing on Sat, Nov 8 at 7:40pm from Chicago, arriving on Sun, Nov 9 at 9:00am in Dublin.Returning on Fri, Nov 14 at 11:30am from Dublin, arriving at 2:00pm in Chicago.Select Aer Lingus flight departing on Sat, Nov 8 at 7:40pm from Chicago, returning on Fri, Nov 14 at 11:30am from Dublin priced at $46935% less than typical$469
Cheap Flights from Chicago to Dublin (CHI-DUB)
Prices were available within the past 7 days and start at $328 for one-way flights and $381 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Find the cheapest month to fly from Chicago (CHI) to Dublin (DUB)
February is typically the cheapest month to fly
Alternative airports near Dublin
Prices were available within the past 7 days. Prices and availability are subject to change.
Origin airport | O'Hare Intl. |
|---|---|
Destination airport | Dublin |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United |
Roundtrip price | $380 |
Distance | 3664 mi |
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 January. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $328 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. 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.