DUB

$165 Find Cheap Flights from Illinois to Dublin - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dublin departing on 8/19. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Illinois to Dublin

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Dublin that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Dublin

Sat, Jan 9 - Tue, Jan 19
Aer Lingus Logo
4:05 pm - 5:10 amSTL  Lambert-St Louis-DUB Dublin
31h 05m1 stop Toronto Pearson Intl
Aer Lingus Logo
1:00 pm - 3:26 pmDUB  Dublin-STL Lambert-St Louis
32h 26m1 stop Toronto Pearson Intl
$338Aer Lingus
Sat, Jan 9 - Fri, Feb 12
Aer Lingus Logo
4:05 pm - 5:10 amSTL  Lambert-St Louis-DUB Dublin
31h 05m1 stop Toronto Pearson Intl
Aer Lingus Logo
1:00 pm - 3:26 pmDUB  Dublin-STL Lambert-St Louis
32h 26m1 stop Toronto Pearson Intl
$338Aer Lingus
Tue, Sep 8 - Fri, Sep 18
Multiple Airlines Logo
11:45 am - 5:10 amORD  Chicago O'Hare Intl-DUB Dublin
11h 25m1 stop Toronto Pearson Intl
Multiple Airlines Logo
1:20 pm - 7:48 pmDUB  Dublin-ORD Chicago O'Hare Intl
12h 28m1 stop Toronto Pearson Intl
$367Multiple Airlines
Tue, Sep 8 - Wed, Sep 16
Multiple Airlines Logo
11:45 am - 5:10 amORD  Chicago O'Hare Intl-DUB Dublin
11h 25m1 stop Toronto Pearson Intl
Multiple Airlines Logo
1:20 pm - 7:48 pmDUB  Dublin-ORD Chicago O'Hare Intl
12h 28m1 stop Toronto Pearson Intl
$385Multiple Airlines
Mon, Oct 19 - Thu, Oct 29
Icelandair Logo
7:25 pm - 1:15 pmORD  Chicago O'Hare Intl-DUB Dublin
11h 50m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 am - 6:20 pmDUB  Dublin-ORD Chicago O'Hare Intl
11h 50m1 stop Reykjavik Keflavik Intl
$599Icelandair
Sun, Oct 18 - Sat, Oct 31
Icelandair Logo
7:25 pm - 1:15 pmORD  Chicago O'Hare Intl-DUB Dublin
11h 50m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:30 am - 6:20 pmDUB  Dublin-ORD Chicago O'Hare Intl
11h 50m1 stop Reykjavik Keflavik Intl
$601Icelandair
Wed, Feb 3 - Wed, Feb 10
British Airways Logo
5:10 pm - 9:40 amORD  Chicago O'Hare Intl-DUB Dublin
10h 30m1 stop London Heathrow
British Airways Logo
1:10 pm - 6:45 pmDUB  Dublin-ORD Chicago O'Hare Intl
11h 35m1 stop London Heathrow
$671British Airways
Sun, Nov 29 - Thu, Dec 3
British Airways Logo
5:10 pm - 9:50 amORD  Chicago O'Hare Intl-DUB Dublin
10h 40m1 stop London Heathrow
British Airways Logo
1:10 pm - 6:45 pmDUB  Dublin-ORD Chicago O'Hare Intl
11h 35m1 stop London Heathrow
$671British Airways
Sun, Jan 17 - Fri, Jan 22
Lufthansa Logo
9:50 pm - 5:10 pmORD  Chicago O'Hare Intl-DUB Dublin
13h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
5:10 am - 1:10 pmDUB  Dublin-ORD Chicago O'Hare Intl
14h 00m1 stop Frankfurt am Main
$674Lufthansa
Sun, Jan 17 - Fri, Jan 22
Lufthansa Logo
9:50 pm - 5:10 pmORD  Chicago O'Hare Intl-DUB Dublin
13h 20m1 stop Munich Franz Josef Strauss
Lufthansa Logo
5:10 am - 1:10 pmDUB  Dublin-ORD Chicago O'Hare Intl
14h 00m1 stop Frankfurt am Main
$674Lufthansa
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Good to know

Low season

January

Cheapest flight

$165
Best time to beat the crowds with an average 26% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Chicago O'Hare Airport to Dublin

FAQs for booking flights from Illinois 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.

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Swords
Athlone
Malahide
Wicklow
Kildare
Castleknock
Maynooth
Dundalk
Cavan
Drogheda
Naas
Portmarnock
Mullingar
Tullamore
Gorey
Leixlip
Enniscorthy
Carlingford
Slane
Thurles

Everything you need to know for your flight to Dublin

Information on the airport you'll fly into in Dublin

Dublin (DUB)