
Book Cheap Aer Lingus flight from Chicago (ORD) to Dublin (DUB) from CA $652
Find The Best Day to Book a Cheap Aer Lingus Flights From Chicago to Dublin
Cheapest Aer Lingus Flights from Chicago (ORD) to Dublin (DUB)
The cheapest flights to Dublin found within the past 7 days were CA $647 round trip and CA $652 one way. Prices and availability subject to change. Additional terms may apply.
Frequently asked questions
Grab a great Aer Lingus flight from ORD to DUB
To find a great deal on Aer Lingus flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying Aer Lingus Chicago to Dublin gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with Aer Lingus between Chicago and Dublin
Aer Lingus has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from Chicago to Dublin with Aer Lingus are May.
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your Aer Lingus flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
|---|---|---|---|
| ORD | USA | O'Hare Intl. | 43 |
| DUB | IRL | Dublin | 16 |
| LHR | GBR | Heathrow | 7 |
| BOS | USA | Logan Intl. | 7 |
| JFK | USA | John F. Kennedy Intl. | 5 |
| IAH | USA | George Bush Intercontinental | 4 |
| MSN | USA | Dane County Regional | 4 |
| LAX | USA | Los Angeles Intl. | 3 |
| STL | USA | Lambert-St. Louis Intl. | 3 |
| BNA | USA | Nashville Intl. | 3 |
Travelers ❤️ these 🏨 after their flight to Dublin

Clayton Hotel Dublin Airport
Ideal location with shuttle service to the airport Nice bar Best seafood chowder
Reviewed on Jan 2, 2026

Maldron Hotel Dublin Airport
Satisfactory
Reviewed on Jan 5, 2026

Radisson Blu Hotel, Dublin Airport
Spotless room, friendly staff, excellent breakfast, walking distance from airport (but also provides a free shuttle). My only disappointment was that gym and pool both closed early and didn't open till 9am so we were unable to avail of either.
Reviewed on Jan 5, 2026
Want more than a(n) Aer Lingus Flight from Chicago to Dublin?
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