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.

$293 CHEAP FLIGHTS from Illinois to Dublin

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

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

Tue, Nov 10 - Fri, Nov 13

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

21h 00m2 stops Kastrup Copenhagen Stockholm Arlanda

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

34h 15m2 stops Stockholm Arlanda Kastrup Copenhagen

$540Multiple Airlines

Tue, Nov 10 - Fri, Nov 13

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

21h 00m2 stops Kastrup Copenhagen Stockholm Arlanda

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

34h 15m2 stops Stockholm Arlanda Kastrup Copenhagen

$544Multiple Airlines

Sun, Nov 15 - Tue, Nov 24

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

$623Icelandair

Thu, Nov 12 - Thu, Nov 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

$628Icelandair

Mon, Feb 15 - Mon, Feb 22

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

$657Aer Lingus

Sun, Feb 21 - Thu, Mar 4

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

7h 25mnonstop

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

8h 30mnonstop

$673Aer Lingus

Wed, Mar 3 - Fri, Mar 5

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

$678Lufthansa

Tue, Mar 23 - Wed, Mar 31

6:00 am - 9:55 amORD Chicago O'Hare Intl-DUB Dublin

22h 55m1 stop Newark

9:20 am - 2:35 pmDUB Dublin-ORD Chicago O'Hare Intl

35h 15m1 stop Vancouver Intl

$682United Airlines

Sun, Mar 28 - Wed, Apr 7

7:10 am - 11:10 amORD Chicago O'Hare Intl-DUB Dublin

22h 00m1 stop Newark

9:20 am - 2:35 pmDUB Dublin-ORD Chicago O'Hare Intl

35h 15m1 stop Vancouver Intl

$682United Airlines

Wed, Feb 3 - Wed, Feb 10

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

$686Lufthansa

Recent last minute flight deals from Illinois to Dublin

Tue, Oct 6 - Wed, Oct 14

10:59 am - 9:00 amORD Chicago O'Hare Intl-DUB Dublin

16h 01m1 stop New York John F Kennedy Intl

10:40 am - 7:14 pmDUB Dublin-ORD Chicago O'Hare Intl

14h 34m1 stop Boston Logan Intl

$750JetBlue

Mon, Oct 5 - Sun, Oct 11

7:00 am - 9:00 amORD Chicago O'Hare Intl-DUB Dublin

20h 00m1 stop New York John F Kennedy Intl

10:40 am - 7:14 pmDUB Dublin-ORD Chicago O'Hare Intl

14h 34m1 stop Boston Logan Intl

$750JetBlue

Mon, Oct 5 - Mon, Oct 19

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

32h 55m2 stops Kastrup Copenhagen Oslo Gardermoen

11:10 am - 4:10 pmDUB Dublin-ORD Chicago O'Hare Intl

35h 00m2 stops Oslo Gardermoen Kastrup Copenhagen

$822Scandinavian Airlines

Sun, Oct 4 - Mon, Oct 12

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

7h 25mnonstop

9:00 pm - 2:30 pmDUB Dublin-ORD Chicago O'Hare Intl

47h 30m3 stops London Stansted Tirana Rinas Belgrade Nikola Tesla

$889Multiple Airlines

Wed, Oct 7 - Mon, Oct 12

8:10 pm - 11:05 pmORD Chicago O'Hare Intl-DUB Dublin

20h 55m1 stop Istanbul

5:10 pm - 9:40 amDUB Dublin-ORD Chicago O'Hare Intl

22h 30m1 stop Istanbul

$895Turkish Airlines

Wed, Oct 7 - Tue, Oct 13

9:00 pm - 10:35 amORD Chicago O'Hare Intl-DUB Dublin

7h 35mnonstop

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

8h 25mnonstop

$913Aer Lingus

Tue, Oct 6 - Wed, Oct 14

9:00 pm - 10:35 amORD Chicago O'Hare Intl-DUB Dublin

7h 35mnonstop

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

8h 25mnonstop

$926Aer Lingus

Tue, Oct 6 - Wed, Oct 14

8:20 pm - 9:45 amORD Chicago O'Hare Intl-DUB Dublin

7h 25mnonstop

9:20 am - 2:55 pmDUB Dublin-ORD Chicago O'Hare Intl

11h 35m1 stop Toronto Pearson Intl

$935United Airlines

Tue, Oct 6 - Wed, Oct 14

8:20 pm - 9:45 amORD Chicago O'Hare Intl-DUB Dublin

7h 25mnonstop

11:35 am - 1:40 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 05mnonstop

$938United Airlines

Sat, Oct 3 - Mon, Oct 12

7:15 pm - 10:25 amORD Chicago O'Hare Intl-DUB Dublin

33h 10m2 stops Kastrup Copenhagen Oslo Gardermoen

11:10 am - 4:10 pmDUB Dublin-ORD Chicago O'Hare Intl

35h 00m2 stops Oslo Gardermoen Kastrup Copenhagen

$1,236Scandinavian Airlines

Useful Info

Low season	January
High season	August
Cheapest flight	$293

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

Most popular time to fly and prices are also 1% 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

Castleknock

Kildare

Dundalk

Drogheda

Cavan

Maynooth

Tullamore

Portmarnock

Mullingar

Carlingford

Naas

Leixlip

Arklow

Gorey

Thurles

Enniscorthy

More options for your flight to Dublin

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

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

Car rentals in Dublin

DUB

$293 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

Flights to other popular destinations