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.

$256 CHEAP FLIGHTS from Illinois to Dublin

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Flight Deals

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

Fri, Feb 12 - Fri, Feb 19

6:30 pm - 10:15 amORD Chicago O'Hare Intl-DUB Dublin

9h 45m1 stop Reykjavik Keflavik Intl

11:30 am - 5:20 pmDUB Dublin-ORD Chicago O'Hare Intl

11h 50m1 stop Reykjavik Keflavik Intl

$486Icelandair

Sun, Feb 21 - Fri, Feb 26

6:30 pm - 10:15 amORD Chicago O'Hare Intl-DUB Dublin

9h 45m1 stop Reykjavik Keflavik Intl

11:30 am - 5:20 pmDUB Dublin-ORD Chicago O'Hare Intl

11h 50m1 stop Reykjavik Keflavik Intl

$489Icelandair

Tue, Jan 26 - Tue, Feb 16

9:00 pm - 10:25 amORD Chicago O'Hare Intl-DUB Dublin

7h 25mnonstop

4:40 pm - 7:15 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 35mnonstop

$511Aer Lingus

Wed, Oct 28 - Wed, Nov 11

4:55 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

$523Aer Lingus

Sun, Nov 29 - Thu, Dec 10

9:50 pm - 2:55 pmORD Chicago O'Hare Intl-DUB Dublin

11h 05m1 stop London Heathrow

1:05 pm - 6:45 pmDUB Dublin-ORD Chicago O'Hare Intl

11h 40m1 stop London Heathrow

$525British Airways

Tue, Feb 16 - Tue, Feb 23

9:00 pm - 10:25 amORD Chicago O'Hare Intl-DUB Dublin

7h 25mnonstop

4:40 pm - 7:15 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 35mnonstop

$530Iberia

Wed, Dec 2 - Thu, Dec 10

12:59 pm - 8:30 amORD Chicago O'Hare Intl-DUB Dublin

13h 31m1 stop Philadelphia

11:30 am - 8:30 pmDUB Dublin-ORD Chicago O'Hare Intl

15h 00m1 stop Philadelphia

$539Iberia

Mon, Nov 2 - Mon, Nov 9

5:10 pm - 12:35 pmORD Chicago O'Hare Intl-DUB Dublin

13h 25m1 stop London Heathrow

8:40 pm - 1:45 pmDUB Dublin-ORD Chicago O'Hare Intl

23h 05m1 stop London Heathrow

$541British Airways

Wed, Nov 18 - Wed, Dec 9

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

$541Multiple Airlines

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

$541Multiple Airlines

Recent last minute flight deals from Illinois to Dublin

Tue, Sep 15 - Tue, Sep 22

3:45 pm - 5:10 amORD Chicago O'Hare Intl-DUB Dublin

7h 25mnonstop

4:45 pm - 7:15 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 30mnonstop

$573Aer Lingus

Tue, Sep 15 - Tue, Sep 22

11:40 am - 6:30 amORD Chicago O'Hare Intl-DUB Dublin

12h 50m1 stop Philadelphia

9:30 am - 9:30 pmDUB Dublin-ORD Chicago O'Hare Intl

18h 00m1 stop Philadelphia

$605Iberia

Tue, Sep 15 - Tue, Sep 22

1:15 pm - 6:30 amORD Chicago O'Hare Intl-DUB Dublin

11h 15m1 stop Philadelphia

9:30 am - 4:10 pmDUB Dublin-ORD Chicago O'Hare Intl

12h 40m1 stop Philadelphia

$605American Airlines

Tue, Sep 15 - Sun, Sep 27

3:05 pm - 10:45 amORD Chicago O'Hare Intl-DUB Dublin

13h 40m1 stop Boston Logan Intl

10:00 am - 8:30 pmDUB Dublin-ORD Chicago O'Hare Intl

16h 30m1 stop Detroit Metropolitan Wayne County

$665Delta

Tue, Sep 15 - Tue, Sep 22

6:40 am - 8:15 amORD Chicago O'Hare Intl-DUB Dublin

19h 35m1 stop Cleveland Hopkins Intl

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

8h 25mnonstop

$681Aer Lingus

Tue, Sep 15 - Sun, Sep 27

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

17h 30m1 stop Minneapolis St Paul

5:55 am - 8:30 pmDUB Dublin-ORD Chicago O'Hare Intl

20h 35m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

$683Delta

Tue, Sep 15 - Thu, Sep 24

7:25 pm - 11:05 amORD Chicago O'Hare Intl-DUB Dublin

9h 40m1 stop Reykjavik Keflavik Intl

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

10h 00m1 stop Reykjavik Keflavik Intl

$799Icelandair

Thu, Sep 10 - Tue, Sep 22

6:00 pm - 12:05 amORD Chicago O'Hare Intl-DUB Dublin

24h 05m1 stop Lisbon Humberto Delgado

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

27h 10m1 stop Lisbon Humberto Delgado

$800TAP AIR PORTUGAL

Tue, Sep 15 - Wed, Sep 23

7:25 pm - 11:05 amORD Chicago O'Hare Intl-DUB Dublin

9h 40m1 stop Reykjavik Keflavik Intl

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

12h 00m1 stop Reykjavik Keflavik Intl

$825Icelandair

Sun, Sep 13 - Sun, Sep 20

3:45 pm - 5:10 amORD Chicago O'Hare Intl-DUB Dublin

7h 25mnonstop

4:45 pm - 7:15 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 30mnonstop

$999Iberia

Useful Info

Low season	January
High season	August
Cheapest flight	$256

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

Most popular time to fly with an average 2% 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

Kildare

Wicklow

Castleknock

Maynooth

Dundalk

Drogheda

Cavan

Naas

Portmarnock

Carlingford

Tullamore

Mullingar

Gorey

Leixlip

Enniscorthy

Slane

Thurles

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

Car rentals in Dublin

DUB

$256 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

Low season

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

Cabin class types available on flights to Illinois

Find direct flights for Dublin

Flights from domestic origins to Dublin

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