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.

$251 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, Oct 20 - Mon, Oct 26

9:00 am - 5:00 pmORD Chicago O'Hare Intl-DUB Dublin

26h 00m2 stops Orlando London Gatwick

3:50 pm - 7:25 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 35mnonstop

$421Multiple Airlines

Tue, Oct 20 - Mon, Oct 26

9:00 am - 5:00 pmORD Chicago O'Hare Intl-DUB Dublin

26h 00m2 stops Orlando London Gatwick

11:30 am - 3:00 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 30mnonstop

$421Multiple Airlines

Sun, Feb 21 - Sun, Feb 28

9:00 pm - 10:20 amORD Chicago O'Hare Intl-DUB Dublin

7h 20mnonstop

3:50 pm - 6:25 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 35mnonstop

$528Aer Lingus

Sun, Feb 21 - Fri, Feb 26

9:00 pm - 10:20 amORD Chicago O'Hare Intl-DUB Dublin

7h 20mnonstop

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

8h 35mnonstop

$528Aer Lingus

Tue, Oct 6 - Tue, Oct 13

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

$586Icelandair

Tue, Oct 6 - Tue, Oct 13

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

$592Icelandair

Mon, Oct 19 - Thu, Oct 29

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

$642Scandinavian Airlines

Sat, Oct 10 - Wed, Oct 14

7:15 pm - 11:50 amORD Chicago O'Hare Intl-DUB Dublin

34h 35m1 stop Kastrup Copenhagen

12:40 pm - 4:10 pmDUB Dublin-ORD Chicago O'Hare Intl

33h 30m1 stop Kastrup Copenhagen

$665Scandinavian Airlines

Mon, Sep 21 - Tue, Sep 29

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

10h 05m1 stop Montreal Pierre Elliott Trudeau Intl

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

11h 32m1 stop Montreal Pierre Elliott Trudeau Intl

$666Air Canada

Mon, Sep 21 - Wed, Sep 30

11:05 am - 7:45 amORD Chicago O'Hare Intl-DUB Dublin

14h 40m1 stop Montreal Pierre Elliott Trudeau Intl

9:50 am - 8:06 pmDUB Dublin-ORD Chicago O'Hare Intl

16h 16m1 stop Vancouver Intl

$691Air Canada

Recent last minute flight deals from Illinois to Dublin

Thu, Aug 27 - Fri, Sep 4

7:45 pm - 12:05 amORD Chicago O'Hare Intl-DUB Dublin

22h 20m1 stop Lisbon Humberto Delgado

5:30 am - 4:00 pmDUB Dublin-ORD Chicago O'Hare Intl

16h 30m1 stop Lisbon Humberto Delgado

$772TAP AIR PORTUGAL

Thu, Aug 27 - Thu, Sep 10

7:45 pm - 12:05 amORD Chicago O'Hare Intl-DUB Dublin

22h 20m1 stop Lisbon Humberto Delgado

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

27h 10m1 stop Lisbon Humberto Delgado

$785TAP AIR PORTUGAL

Wed, Aug 26 - Tue, Sep 1

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

10h 05m1 stop Montreal Pierre Elliott Trudeau Intl

9:50 am - 2:55 pmDUB Dublin-ORD Chicago O'Hare Intl

11h 05m1 stop Montreal Pierre Elliott Trudeau Intl

$848Air Canada

Wed, Aug 26 - Tue, Sep 8

11:05 am - 7:45 amORD Chicago O'Hare Intl-DUB Dublin

14h 40m1 stop Montreal Pierre Elliott Trudeau Intl

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

11h 32m1 stop Montreal Pierre Elliott Trudeau Intl

$864Air Canada

Sat, Aug 29 - Fri, Sep 4

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

$868Icelandair

Sat, Aug 29 - Sat, Sep 5

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

$868Icelandair

Wed, Aug 26 - Tue, Sep 8

7:05 pm - 12:55 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

$875British Airways

Sun, Aug 30 - 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

$876Finnair

Sun, Aug 30 - 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

$880Finnair

Wed, Aug 26 - Sun, Sep 6

7:05 pm - 12:55 pmORD Chicago O'Hare Intl-DUB Dublin

11h 50m1 stop London Heathrow

8:35 am - 3:55 pmDUB Dublin-ORD Chicago O'Hare Intl

13h 20m1 stop London Heathrow

$915British Airways

Useful Info

Low season	January
High season	August
Cheapest flight	$251

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 St. Louis 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

$251 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?

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