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.

$154 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

Mon, Jan 11 - Thu, Jan 21

4:05 pm - 5:10 amSTL Lambert-St Louis-DUB Dublin

31h 05m1 stop Toronto Pearson Intl

1:00 pm - 3:26 pmDUB Dublin-STL Lambert-St Louis

32h 26m1 stop Toronto Pearson Intl

$329Aer Lingus

Sat, Jan 9 - Tue, Jan 19

4:05 pm - 5:10 amSTL Lambert-St Louis-DUB Dublin

31h 05m1 stop Toronto Pearson Intl

1:00 pm - 3:26 pmDUB Dublin-STL Lambert-St Louis

32h 26m1 stop Toronto Pearson Intl

$338Aer Lingus

Sun, Oct 18 - Sat, Oct 31

7:25 pm - 1:15 pmORD Chicago O'Hare Intl-DUB Dublin

11h 50m1 stop Reykjavik Keflavik Intl

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

11h 50m1 stop Reykjavik Keflavik Intl

$601Icelandair

Mon, Oct 19 - Thu, Oct 29

7:25 pm - 1:15 pmORD Chicago O'Hare Intl-DUB Dublin

11h 50m1 stop Reykjavik Keflavik Intl

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

11h 50m1 stop Reykjavik Keflavik Intl

$601Icelandair

Wed, Jan 13 - Wed, Jan 20

1:20 pm - 5:10 amORD Chicago O'Hare Intl-DUB Dublin

9h 50m1 stop Toronto Pearson Intl

1:00 pm - 12:37 pmDUB Dublin-ORD Chicago O'Hare Intl

29h 37m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County

$615Multiple Airlines

Wed, Jan 13 - Wed, Jan 20

8:07 am - 5:10 amORD Chicago O'Hare Intl-DUB Dublin

15h 03m1 stop Toronto Pearson Intl

1:00 pm - 12:37 pmDUB Dublin-ORD Chicago O'Hare Intl

29h 37m2 stops Toronto Pearson Intl Detroit Metropolitan Wayne County

$620Multiple Airlines

Wed, Dec 16 - Thu, Dec 24

12:50 pm - 7:10 amORD Chicago O'Hare Intl-DUB Dublin

12h 20m1 stop Toronto Pearson Intl

9:00 am - 3:38 pmDUB Dublin-ORD Chicago O'Hare Intl

12h 38m1 stop Toronto Pearson Intl

$621Air Canada

Wed, Dec 16 - Tue, Dec 29

12:50 pm - 7:10 amORD Chicago O'Hare Intl-DUB Dublin

12h 20m1 stop Toronto Pearson Intl

9:00 am - 3:38 pmDUB Dublin-ORD Chicago O'Hare Intl

12h 38m1 stop Toronto Pearson Intl

$653Air Canada

Fri, Nov 6 - Mon, Nov 9

7:15 pm - 6:20 pmORD Chicago O'Hare Intl-DUB Dublin

17h 05m1 stop Kastrup Copenhagen

8:20 pm - 4:45 pmDUB Dublin-ORD Chicago O'Hare Intl

26h 25m2 stops Stockholm Arlanda Kastrup Copenhagen

$675Scandinavian Airlines

Thu, Nov 26 - Mon, Nov 30

7:15 pm - 6:20 pmORD Chicago O'Hare Intl-DUB Dublin

17h 05m1 stop Kastrup Copenhagen

8:20 pm - 4:45 pmDUB Dublin-ORD Chicago O'Hare Intl

26h 25m2 stops Stockholm Arlanda Kastrup Copenhagen

$675Scandinavian Airlines

Recent last minute flight deals from Illinois to Dublin

Wed, Aug 19 - Tue, Aug 25

8:50 pm - 5:10 amORD Chicago O'Hare Intl-DUB Dublin

26h 20m1 stop Toronto Pearson Intl

1:20 pm - 2:55 pmDUB Dublin-ORD Chicago O'Hare Intl

31h 35m1 stop Toronto Pearson Intl

$529Aer Lingus

Wed, Aug 19 - Fri, Aug 21

8:09 am - 5:10 amORD Chicago O'Hare Intl-DUB Dublin

15h 01m1 stop Toronto Pearson Intl

11:35 am - 2:00 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 25mnonstop

$655Aer Lingus

Thu, Aug 20 - Thu, Aug 27

7:50 pm - 10:00 amORD Chicago O'Hare Intl-DUB Dublin

32h 10m1 stop Lisbon Humberto Delgado

6:50 pm - 4:00 pmDUB Dublin-ORD Chicago O'Hare Intl

27h 10m1 stop Lisbon Humberto Delgado

$809TAP AIR PORTUGAL

Sun, Aug 23 - Tue, Sep 1

7:25 pm - 1:15 pmORD Chicago O'Hare Intl-DUB Dublin

11h 50m1 stop Reykjavik Keflavik Intl

2:15 pm - 6:15 pmDUB Dublin-ORD Chicago O'Hare Intl

10h 00m1 stop Reykjavik Keflavik Intl

$823Icelandair

Sun, Aug 23 - Wed, Sep 2

7:25 pm - 1:15 pmORD Chicago O'Hare Intl-DUB Dublin

11h 50m1 stop Reykjavik Keflavik Intl

12:15 pm - 9:25 pmDUB Dublin-ORD Chicago O'Hare Intl

15h 10m1 stop Reykjavik Keflavik Intl

$823Icelandair

Sun, Aug 23 - Tue, Sep 1

7:25 pm - 10:55 amORD Chicago O'Hare Intl-DUB Dublin

33h 30m3 stops Reykjavik Keflavik Intl Oslo Gardermoen Stockholm Arlanda

11:00 am - 9:25 pmDUB Dublin-ORD Chicago O'Hare Intl

16h 25m2 stops Oslo Gardermoen Reykjavik Keflavik Intl

$854Multiple Airlines

Wed, Aug 19 - Tue, Aug 25

2:01 pm - 7:45 amORD Chicago O'Hare Intl-DUB Dublin

11h 44m1 stop Montreal Pierre Elliott Trudeau Intl

9:50 am - 2:44 pmDUB Dublin-ORD Chicago O'Hare Intl

10h 54m1 stop Montreal Pierre Elliott Trudeau Intl

$862Air Canada

Wed, Aug 19 - Wed, Aug 26

12:10 pm - 7:45 amSTL Lambert-St Louis-DUB Dublin

13h 35m1 stop Montreal Pierre Elliott Trudeau Intl

9:20 am - 12:02 pmDUB Dublin-STL Lambert-St Louis

32h 42m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$869United Airlines

Wed, Aug 19 - Tue, Aug 25

3:40 pm - 7:45 amORD Chicago O'Hare Intl-DUB Dublin

10h 05m1 stop Montreal Pierre Elliott Trudeau Intl

9:50 am - 2:44 pmDUB Dublin-ORD Chicago O'Hare Intl

10h 54m1 stop Montreal Pierre Elliott Trudeau Intl

$882Air Canada

Fri, Aug 21 - Sun, Aug 23

10:53 am - 7:20 amSTL Lambert-St Louis-DUB Dublin

14h 27m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

12:30 pm - 9:17 pmDUB Dublin-STL Lambert-St Louis

14h 47m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

$1,002United Airlines

Useful Info

Low season	January
High season	August
Cheapest flight	$154

Best time to beat the crowds with an average 26% drop in price.

Most popular time to fly with an average 4% increase in price.

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

Maynooth

Dundalk

Drogheda

Cavan

Naas

Portmarnock

Mullingar

Tullamore

Gorey

Leixlip

Enniscorthy

Carlingford

Slane

Thurles

Everything you need to know for your flight to Dublin

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Information on the airport you'll fly into in Dublin

Dublin (DUB)

DUB

$154 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

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Cheapest flight

FAQs for booking flights from Illinois to Dublin

Traveling to a place near Dublin?

Everything you need to know for your flight to Dublin

Information on the airport you'll fly into in Dublin

Cabin class types available on flights to Illinois

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

Find direct flights for Dublin

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Choose which airport to fly into in Dublin