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.

$289 CHEAP FLIGHTS from Illinois to Dublin

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Cheap Flights from Illinois to Dublin

Cheap flights from Illinois to Dublin with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Direct

Sat, Feb 20 - Fri, Feb 26

9:50 pm - 5:45 pmORD Chicago O'Hare Intl-DUB Dublin

13h 55m1 stop London Heathrow

10:50 am - 6:45 pmDUB Dublin-ORD Chicago O'Hare Intl

13h 55m1 stop London Heathrow

$558British Airways

Wed, Nov 11 - Tue, Nov 17

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

21h 45m2 stops Denver Intl Reykjavik Keflavik Intl

11:30 am - 12:21 amDUB Dublin-ORD Chicago O'Hare Intl

18h 51m2 stops Reykjavik Keflavik Intl Denver Intl

$566Multiple Airlines

Wed, Nov 11 - Wed, Nov 18

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

21h 45m2 stops Denver Intl Reykjavik Keflavik Intl

11:30 am - 12:21 amDUB Dublin-ORD Chicago O'Hare Intl

18h 51m2 stops Reykjavik Keflavik Intl Denver Intl

$569Multiple Airlines

Mon, Nov 16 - Tue, Nov 24

7:10 pm - 6:20 pmORD Chicago O'Hare Intl-DUB Dublin

17h 10m1 stop Kastrup Copenhagen

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

34h 15m1 stop Kastrup Copenhagen

$597Scandinavian Airlines

Thu, Jan 14 - Thu, Jan 21

7:10 pm - 9:25 amORD Chicago O'Hare Intl-DUB Dublin

32h 15m1 stop Kastrup Copenhagen

7:05 pm - 4:45 pmDUB Dublin-ORD Chicago O'Hare Intl

27h 40m1 stop Kastrup Copenhagen

$597Scandinavian Airlines

Sat, Feb 20 - Sat, Feb 27

9:50 pm - 5:45 pmORD Chicago O'Hare Intl-DUB Dublin

13h 55m1 stop London Heathrow

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

11h 40m1 stop London Heathrow

$599British Airways

Tue, Jan 12 - Tue, Jan 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

$653Icelandair

Wed, Nov 11 - Wed, Nov 18

3:55 pm - 5:15 amORD Chicago O'Hare Intl-DUB Dublin

7h 20mnonstop

11:30 am - 2:10 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 40mnonstop

$665Aer Lingus

Mon, Nov 16 - Thu, Nov 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

$666Icelandair

Sun, Oct 25 - Tue, Nov 3

4:55 pm - 5:15 amORD Chicago O'Hare Intl-DUB Dublin

7h 20mnonstop

11:30 am - 2:10 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 40mnonstop

$667Aer Lingus

Sat, Oct 17 - Mon, Oct 26

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

7h 35mnonstop

3:50 pm - 7:20 pmDUB Dublin-ORD Chicago O'Hare Intl

8h 30mnonstop

$592Aer Lingus

Wed, Oct 14 - Tue, Oct 20

12:38 pm - 9:00 amORD Chicago O'Hare Intl-DUB Dublin

14h 22m1 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

Wed, Oct 14 - Wed, Oct 21

9:38 am - 8:20 amORD Chicago O'Hare Intl-DUB Dublin

16h 42m1 stop Boston Logan Intl

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

14h 34m1 stop Boston Logan Intl

$750JetBlue

Sun, Oct 18 - Sat, Oct 31

8:10 pm - 4:05 pmORD Chicago O'Hare Intl-DUB Dublin

37h 55m1 stop Istanbul

10:40 am - 12:00 pmDUB Dublin-ORD Chicago O'Hare Intl

30h 20m1 stop Istanbul

$785Turkish Airlines

Wed, Oct 14 - Tue, Oct 20

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

$789Aer Lingus

Tue, Oct 13 - Wed, Nov 4

5:10 pm - 3:25 pmORD Chicago O'Hare Intl-DUB Dublin

16h 15m1 stop Paris Charles de Gaulle

1:25 pm - 2:25 pmDUB Dublin-ORD Chicago O'Hare Intl

31h 00m1 stop Amsterdam Schiphol

$790Delta

Tue, Oct 13 - Tue, Nov 3

5:10 pm - 3:25 pmORD Chicago O'Hare Intl-DUB Dublin

16h 15m1 stop Paris Charles de Gaulle

1:25 pm - 2:25 pmDUB Dublin-ORD Chicago O'Hare Intl

31h 00m1 stop Amsterdam Schiphol

$790Delta

Thu, Oct 15 - Tue, Nov 3

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

7h 25mnonstop

6:30 am - 3:30 pmDUB Dublin-ORD Chicago O'Hare Intl

39h 00m2 stops Malaga Lisbon Humberto Delgado

$812Multiple Airlines

Wed, Oct 14 - Mon, Nov 2

9:15 pm - 6:00 pmORD Chicago O'Hare Intl-DUB Dublin

14h 45m1 stop London Heathrow

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

23h 05m1 stop London Heathrow

$834British Airways

Tue, Oct 13 - Mon, Nov 2

9:15 pm - 6:50 pmORD Chicago O'Hare Intl-DUB Dublin

15h 35m1 stop London Heathrow

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

23h 05m1 stop London Heathrow

$834British Airways

Low season	January
High season	August
Cheapest flight	$289

Best time to beat the crowds with an average 24% drop in price.

Most popular time to fly and prices are also 2% 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

Kildare

Castleknock

Dundalk

Drogheda

Maynooth

Cavan

Tullamore

Portmarnock

Mullingar

Carlingford

Naas

Leixlip

Arklow

Gorey

Thurles

Enniscorthy

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Car rentals in Dublin

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$289 Find Cheap Flights from Illinois to Dublin - Compare and Save

Cheap Flights from Illinois to Dublin

Cheap flights from Illinois to Dublin with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

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