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: 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: 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: 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: 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: 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): Midway International Airport (MDW) is located approximately 16 miles from O'Hare International Airport (ORD).
• Chicago to Waterford (ORD-WAT): 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 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. 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 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.