Chicago to Dublin Flights on Aer Lingus from $591.11*
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Book Chicago (ORD) to Dublin (DUB) flight deals*
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Business Class deals on flights to Dublin (DUB)
Chicago (ORD)to
Dublin (DUB)
Mar 29 2026 - Apr 6 2026
Roundtrip*
Business
From
$3,584.21
Seen: 20 hrs ago
Chicago (ORD)to
Dublin (DUB)
Apr 1 2026 - Apr 6 2026
Roundtrip*
Business
From
$3,584.21
Seen: 17 hrs ago
Chicago (ORD)to
Dublin (DUB)
Apr 2 2026 - Apr 6 2026
Roundtrip*
Business
From
$3,584.21
Seen: 13 hrs ago
Chicago (ORD)to
Dublin (DUB)
Mar 31 2026 - Apr 8 2026
Roundtrip*
Business
From
$3,584.21
Seen: 14 hrs ago
Chicago (ORD)to
Dublin (DUB)
Apr 1 2026 - Apr 10 2026
Roundtrip*
Business
From
$3,615.22
Seen: 18 hrs ago
Chicago (ORD)to
Dublin (DUB)
Mar 31 2026 - Apr 11 2026
Roundtrip*
Business
From
$3,615.22
Seen: 9 hrs ago
* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.
Flights from Chicago (ORD) to Dublin, Ireland
Aer Lingus is the flag carrier of Ireland, known for its warm Irish welcome, attentive service and seamless connectivity between Ireland, the UK, Europe and North America, with the added convenience of US Preclearance when flying from Dublin and Shannon.
Take off from Chicago to Dublin with Aer Lingus and arrive in a city of stories, music, and charm. Explore Trinity College, shop along Grafton Street, and enjoy Temple Bar’s live music and traditional Irish food. Families will love Dublin Zoo, while couples can take coastal walks to Howth, and solo travellers might enjoy our many galleries, museums, and artisan shops. Dublin offers the best of Irish culture, charm, and connection all in one vibrant city.
Top things to do
Trinity College
Visit Trinity College and see the Book of Kells, an ancient manuscript containing the four Gospels of the New Testament. Visitors can see the Book of Kells for a small fee.
St. Stephen's Green
Take a walk-through St. Stephen's Green, a beautiful public park in the city center.
Ha'penny Bridge
Take a stroll along the River Liffey and see the Ha'penny Bridge, a famous iron footbridge that spans the river.
Guinness Storehouse
Take a tour of the Guinness Storehouse to learn about the history of Ireland's most famous export and enjoy a pint of Guinness at the Gravity Bar.
Take a tour of Dublin and its hidden gems in 59 seconds
Explore the sights and sounds of Dublin's fair city in our video "59 seconds in Dublin".
How long is the flight from Chicago to Dublin?
The direct flight from Chicago (ORD) to Dublin (DUB) takes around 7 hours. Flight times can vary slightly depending on conditions.
Can I check in online for my Chicago to Dublin flight?
Yes, online check-in opens 48 hours before departure. It’s the quickest way to choose your seat, download your boarding pass, and save time at the airport.
What can I expect on board with Aer Lingus?
You can look forward to friendly service, tasty meals from our Bia menu, and a wide choice of in-flight entertainment.
How much luggage can I bring on my flight?
On transatlantic flights you can bring small personal item and a 10kg carry-on bag on board with you. Checked baggage allowance depends on your selected fare type. Read more about transatlantic checked baggage.
Do I need a passport or visa to travel from Chicago to Dublin?
Yes, you’ll need a valid passport for international travel. US citizens don’t need a visa for short stays in Ireland, but we always recommend checking the latest requirements before you fly.
More to discover
A beginner's guide: Dublin
Famous for it's culture, literary connections and it's lively atmosphere, Dublin makes a fantastic city break for anyone looking for something new and exciting.
7 of the best walks in Ireland
For a small island, Ireland isn’t short on walking options. All you need is a sturdy pair of shoes, a rain jacket and of course, some snacks.
Ireland’s hidden gems
Ireland is full of undiscovered beauty, craic, and culture. Here you’ll find some inspiration on how to skip the tourist trail and find something new on your visit.
8 of the best hidden gem restaurants in Dublin
There has never been a better time to eat in Dublin. New restaurants are popping up all the time and old favourites keep upping their game.
Other useful links
Aer Lingus Newsletter
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Book Chicago to Dublin flight deals*
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Chicago (ORD) | Dublin (DUB) | Roundtrip* / Economy | Nov 4 2026 - Nov 17 2026 | From $591.61 Seen: 22 hrs ago |
| Chicago (ORD) | Dublin (DUB) | Roundtrip* / Economy | Nov 4 2026 - Nov 18 2026 | From $591.61 Seen: 17 hrs ago |
| Chicago (ORD) | Dublin (DUB) | Roundtrip* / Economy | Nov 18 2026 - Nov 25 2026 | From $591.61 Seen: 19 hrs ago |
| Chicago (ORD) | Dublin (DUB) | Roundtrip* / Economy | Oct 21 2026 - Nov 3 2026 | From $591.61 Seen: 23 hrs ago |
| Chicago (ORD) | Dublin (DUB) | Roundtrip* / Economy | Nov 25 2026 - Dec 3 2026 | From $591.61 Seen: 23 hrs ago |
* Fares displayed include air transportation charges, taxes and fees. Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Fares are economy class and may include connections with our partner airlines. Modifying this information may result in a different fare. Additional baggage fees and charges for optional products and services may apply.