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.

$273 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

Sun, Nov 8 - Thu, Nov 12

7:15 pm - 10:45 amORD Chicago O'Hare Intl-DUB Dublin

33h 30m3 stops Kastrup Copenhagen Oslo Gardermoen Stockholm Arlanda

5:50 pm - 4:45 pmDUB Dublin-ORD Chicago O'Hare Intl

28h 55m2 stops Oslo Gardermoen Kastrup Copenhagen

$590Multiple Airlines

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

Thu, Oct 29 - Tue, Nov 10

7:30 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

$620Icelandair

Wed, Jan 6 - Thu, Jan 14

7:00 pm - 11:20 pmORD Chicago O'Hare Intl-DUB Dublin

22h 20m1 stop Lisbon Humberto Delgado

4:25 am - 3:30 pmDUB Dublin-ORD Chicago O'Hare Intl

17h 05m1 stop Lisbon Humberto Delgado

$627TAP AIR PORTUGAL

Mon, Oct 19 - Wed, Oct 28

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

17h 05m1 stop Kastrup Copenhagen

7:05 pm - 5:45 pmDUB Dublin-ORD Chicago O'Hare Intl

27h 40m1 stop Kastrup Copenhagen

$634Scandinavian Airlines

Wed, Oct 21 - Wed, Oct 28

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

17h 05m1 stop Kastrup Copenhagen

12:30 pm - 5:45 pmDUB Dublin-ORD Chicago O'Hare Intl

34h 15m1 stop Kastrup Copenhagen

$636Scandinavian Airlines

Mon, Oct 19 - Wed, Nov 4

12:46 pm - 9:45 amSTL Lambert-St Louis-DUB Dublin

14h 59m1 stop Dallas/Fort Worth

12:55 pm - 8:19 pmDUB Dublin-STL Lambert-St Louis

13h 24m1 stop Dallas/Fort Worth

$665Finnair

Wed, Dec 2 - Wed, Dec 9

5:10 pm - 9:55 amORD Chicago O'Hare Intl-DUB Dublin

10h 45m1 stop London Heathrow

9:00 am - 3:30 pmDUB Dublin-ORD Chicago O'Hare Intl

12h 30m1 stop London Heathrow

$672British Airways

Wed, Jan 20 - Tue, Jan 26

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

$675Aer Lingus

Wed, Feb 10 - Wed, Feb 17

5:10 pm - 9:55 amORD Chicago O'Hare Intl-DUB Dublin

10h 45m1 stop London Heathrow

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

11h 40m1 stop London Heathrow

$677British Airways

Recent last minute flight deals from Illinois to Dublin

Wed, Sep 2 - Tue, Sep 8

10:20 pm - 11:50 amORD Chicago O'Hare Intl-DUB Dublin

7h 30mnonstop

9:30 am - 11:30 amDUB Dublin-ORD Chicago O'Hare Intl

8h 00mnonstop

$822Finnair

Wed, Sep 2 - Tue, Sep 8

10:20 pm - 11:50 amORD Chicago O'Hare Intl-DUB Dublin

7h 30mnonstop

11:45 am - 7:46 pmDUB Dublin-ORD Chicago O'Hare Intl

14h 01m1 stop Charlotte Douglas

$826Finnair

Tue, Sep 1 - Tue, Oct 13

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

7h 25mnonstop

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

8h 25mnonstop

$831Aer Lingus

Tue, Sep 1 - Wed, Sep 9

2:40 pm - 5:50 pmORD Chicago O'Hare Intl-DUB Dublin

21h 10m1 stop Zurich

6:35 pm - 3:55 pmDUB Dublin-ORD Chicago O'Hare Intl

27h 20m1 stop Zurich

$840SWISS

Tue, Sep 1 - Mon, Sep 7

2:40 pm - 5:50 pmORD Chicago O'Hare Intl-DUB Dublin

21h 10m1 stop Zurich

6:35 pm - 3:55 pmDUB Dublin-ORD Chicago O'Hare Intl

27h 20m1 stop Zurich

$846SWISS

Tue, Sep 1 - 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

$864Aer Lingus

Tue, Sep 1 - Tue, Sep 15

3:45 pm - 8:15 amORD Chicago O'Hare Intl-DUB Dublin

10h 30m1 stop Toronto Pearson Intl

9:20 am - 2:52 pmDUB Dublin-ORD Chicago O'Hare Intl

11h 32m1 stop Montreal Pierre Elliott Trudeau Intl

$869Air Canada

Tue, Sep 1 - Tue, Sep 8

3:45 pm - 8:15 amORD Chicago O'Hare Intl-DUB Dublin

10h 30m1 stop Toronto Pearson Intl

9:20 am - 8:12 pmDUB Dublin-ORD Chicago O'Hare Intl

16h 52m1 stop Montreal Pierre Elliott Trudeau Intl

$869Air Canada

Tue, Sep 1 - Tue, Sep 8

10:30 pm - 5:00 pmORD Chicago O'Hare Intl-DUB Dublin

12h 30m1 stop London Heathrow

9:30 am - 11:30 amDUB Dublin-ORD Chicago O'Hare Intl

8h 00mnonstop

$876American Airlines

Tue, Sep 1 - Tue, Sep 8

8:45 pm - 2:35 pmORD Chicago O'Hare Intl-DUB Dublin

11h 50m1 stop London Heathrow

9:30 am - 11:30 amDUB Dublin-ORD Chicago O'Hare Intl

8h 00mnonstop

$876American Airlines

Useful Info

Low season	January
High season	August
Cheapest flight	$273

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

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on the airport you'll fly into in Dublin

Dublin (DUB)

DUB

$273 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?

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

Flights to other popular destinations

Flights from domestic origins to Dublin

Choose which airport to fly into in Dublin