How does KAYAK find such low prices on flights from Illinois to Dublin?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Dublin.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Dublin?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Dublin?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dublin with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Dublin?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$257 CHEAP FLIGHTS from Illinois to Dublin

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Cheap Flights from Illinois to Dublin

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Dublin

Tue, Mar 16 - Thu, Mar 25

7:30 pm - 10:15 amORD Chicago O'Hare Intl-DUB Dublin

9h 45m1 stop Reykjavik Keflavik Intl

11:30 am - 6:20 pmDUB Dublin-ORD Chicago O'Hare Intl

11h 50m1 stop Reykjavik Keflavik Intl

$573Icelandair

Sun, Apr 18 - Tue, Apr 27

10:25 pm - 2:25 pmORD Chicago O'Hare Intl-DUB Dublin

10h 00m1 stop Reykjavik Keflavik Intl

12:15 pm - 6:15 pmDUB Dublin-ORD Chicago O'Hare Intl

12h 00m1 stop Reykjavik Keflavik Intl

$573Icelandair

Wed, Dec 9 - Mon, Dec 14

6:21 am - 10:15 amORD Chicago O'Hare Intl-DUB Dublin

21h 54m3 stops Las Vegas Harry Reid Intl Denver Intl Reykjavik Keflavik Intl

11:30 am - 12:54 amDUB Dublin-ORD Chicago O'Hare Intl

19h 24m2 stops Reykjavik Keflavik Intl Denver Intl

$584Multiple Airlines

Wed, Dec 9 - Wed, Dec 16

8:05 pm - 9:30 amORD Chicago O'Hare Intl-DUB Dublin

7h 25mnonstop

3:50 pm - 6:20 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 30mnonstop

$589Aer Lingus

Wed, Nov 11 - Tue, Nov 17

3:55 pm - 5:15 amORD Chicago O'Hare Intl-DUB Dublin

7h 20mnonstop

3:50 pm - 6:20 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 30mnonstop

$590Aer Lingus

Thu, Dec 3 - Mon, Dec 7

10:37 pm - 7:10 amORD Chicago O'Hare Intl-DUB Dublin

26h 33m3 stops Atlanta Hartsfield-Jackson Denver Intl Toronto Pearson Intl

9:00 am - 12:54 amDUB Dublin-ORD Chicago O'Hare Intl

21h 54m2 stops Toronto Pearson Intl Denver Intl

$593Multiple Airlines

Sun, Feb 28 - Thu, Mar 4

4:20 pm - 4:30 pmORD Chicago O'Hare Intl-DUB Dublin

18h 10m1 stop Frankfurt am Main

5:10 am - 1:10 pmDUB Dublin-ORD Chicago O'Hare Intl

14h 00m1 stop Frankfurt am Main

$670Lufthansa

Fri, Jan 22 - Wed, Jan 27

7:10 pm - 9:25 amORD Chicago O'Hare Intl-DUB Dublin

32h 15m1 stop Kastrup Copenhagen

12:30 pm - 4:45 pmDUB Dublin-ORD Chicago O'Hare Intl

34h 15m1 stop Kastrup Copenhagen

$681Scandinavian Airlines

Fri, Feb 12 - Sun, Feb 21

7:10 pm - 10:35 amORD Chicago O'Hare Intl-DUB Dublin

33h 25m2 stops Kastrup Copenhagen Oslo Gardermoen

11:20 am - 4:45 pmDUB Dublin-ORD Chicago O'Hare Intl

35h 25m2 stops Oslo Gardermoen Kastrup Copenhagen

$685Scandinavian Airlines

Sat, Feb 6 - Fri, Feb 12

7:55 pm - 8:25 amORD Chicago O'Hare Intl-DUB Dublin

30h 30m2 stops Detroit Metropolitan Wayne County Frankfurt am Main

5:10 am - 1:10 pmDUB Dublin-ORD Chicago O'Hare Intl

14h 00m1 stop Frankfurt am Main

$699Lufthansa

Recent last minute flight deals from Illinois to Dublin

Wed, Oct 28 - Tue, Nov 10

8:00 pm - 10:25 amORD Chicago O'Hare Intl-DUB Dublin

33h 25m1 stop Lisbon Humberto Delgado

4:55 pm - 3:30 pmDUB Dublin-ORD Chicago O'Hare Intl

28h 35m1 stop Lisbon Humberto Delgado

$643TAP AIR PORTUGAL

Sun, Oct 25 - Mon, Nov 9

9:05 pm - 9:30 amORD Chicago O'Hare Intl-DUB Dublin

7h 25mnonstop

3:50 pm - 6:20 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 30mnonstop

$664Aer Lingus

Wed, Oct 28 - Tue, Nov 10

9:05 pm - 9:30 amORD Chicago O'Hare Intl-DUB Dublin

7h 25mnonstop

11:30 am - 2:10 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 40mnonstop

$665Aer Lingus

Sun, Oct 25 - Wed, Nov 4

12:45 pm - 3:30 pmORD Chicago O'Hare Intl-DUB Dublin

21h 45m1 stop Istanbul

4:35 pm - 11:00 amDUB Dublin-ORD Chicago O'Hare Intl

24h 25m1 stop Istanbul

$683Turkish Airlines

Sun, Oct 25 - Wed, Nov 4

10:50 pm - 5:10 pmORD Chicago O'Hare Intl-DUB Dublin

13h 20m1 stop Munich Franz Josef Strauss

5:10 am - 8:05 pmDUB Dublin-ORD Chicago O'Hare Intl

20h 55m1 stop Frankfurt am Main

$773Lufthansa

Wed, Oct 28 - Wed, Nov 4

7:35 pm - 8:10 amORD Chicago O'Hare Intl-DUB Dublin

7h 35mnonstop

10:40 am - 1:20 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 40mnonstop

$790United Airlines

Sun, Oct 25 - Wed, Nov 4

2:21 pm - 10:20 amORD Chicago O'Hare Intl-DUB Dublin

14h 59m1 stop Washington, D.C. Dulles Intl

10:40 am - 1:20 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 40mnonstop

$794United Airlines

Wed, Oct 28 - Wed, Nov 4

10:24 am - 9:00 amORD Chicago O'Hare Intl-DUB Dublin

17h 36m2 stops Boston Logan Intl Paris Charles de Gaulle

8:50 am - 2:25 pmDUB Dublin-ORD Chicago O'Hare Intl

11h 35m1 stop Amsterdam Schiphol

$795Delta

Wed, Oct 28 - Fri, Nov 6

6:20 am - 7:55 amORD Chicago O'Hare Intl-DUB Dublin

20h 35m1 stop Minneapolis St Paul

5:45 am - 9:06 pmDUB Dublin-ORD Chicago O'Hare Intl

21h 21m2 stops Amsterdam Schiphol Boston Logan Intl

$800Delta

Tue, Oct 27 - Wed, Nov 25

7:35 pm - 8:10 amORD Chicago O'Hare Intl-DUB Dublin

7h 35mnonstop

5:10 am - 1:10 pmDUB Dublin-ORD Chicago O'Hare Intl

14h 00m1 stop Frankfurt am Main

$839Lufthansa

Useful Info

Low season	January
High season	August
Cheapest flight	$257

Best time to beat the crowds with an average 25% drop in price.

Most popular time to fly and prices are also 2% lower on average.

Flight from Chicago O'Hare Airport to Dublin

How does KAYAK find such low prices on flights from Illinois to Dublin?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Dublin.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Dublin?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Dublin from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Dublin?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Dublin with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Dublin?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Dublin from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Swords

Athlone

Malahide

Wicklow

Kildare

Castleknock

Dundalk

Drogheda

Maynooth

Cavan

Tullamore

Portmarnock

Carlingford

Mullingar

Naas

Arklow

Leixlip

Gorey

Thurles

Enniscorthy

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$257 Find Cheap Flights from Illinois to Dublin - Compare and Save

Cheap Flights from Illinois to Dublin

Recent round-trip flight deals from Illinois to Dublin

Recent one-way flight deals from Illinois to Dublin

Recent last minute flight deals from Illinois to Dublin

Recent direct flight deals from Illinois to Dublin

Good to know

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High season

Cheapest flight

FAQs for booking flights from Illinois to Dublin

Traveling to a place near Dublin?

More options for your flight to Dublin

Complete your trip to Dublin with a hotel stay or car rental

Information on the airport you'll fly into in Dublin

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Find direct flights for Dublin

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