$239 Find Cheap Flights from Illinois to Ireland

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Useful Info
Useful Info

Good to know

Low seasonJanuary
High seasonAugust
Cheapest flight$239
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Chicago O'Hare Airport to Dublin

FAQs for booking flights from Illinois to Ireland

  • How does KAYAK find such low prices on flights from Illinois to Ireland?

    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 Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Illinois to Ireland 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 Ireland?

    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 from Illinois to Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Ireland?

    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 from Illinois to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which is the cheapest airport to fly into in Ireland?

    Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Ireland is Shannon Airport (SNN), with an average flight price of $489.

  • What is the cheapest day to fly to Ireland?

    Based on KAYAK data, the cheapest day to fly to Ireland is Tuesday where round-trip tickets can be as cheap as $732. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $808 on average.

  • What is the cheapest time of day to fly to Ireland?

    The cheapest time of day to fly to Ireland is generally in the morning, when round-trip flights cost $714 on average. Morning departures are around 7% cheaper than evening flights, on average. The most expensive time of day to fly to Ireland is generally at night, which is peak travel time and where the average cost of a ticket is $766.

  • What is the cheapest flight to Ireland?

    The cheapest ticket to Ireland from Illinois found in the last 72 hours was to Dublin, at $526 round-trip. The most popular route is Chicago O'Hare Intl Airport (ORD) to Dublin (DUB) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $526.

  • What is the cheapest month to fly from Illinois to Ireland?

    The cheapest month for flights from Illinois to Ireland is January, when tickets cost $524 (return) on average. On the other hand, the most expensive months are June and July, when the average cost of round-trip tickets is $923 and $808 respectively.

  • How far in advance should I book a flight from Illinois to Ireland?

    To get a below average price on the flight from Illinois to Ireland, you should book around 4 weeks before departure. For the absolute cheapest price, our data suggests you should book 10 weeks before departure.

  • How long is the flight to Ireland?

    An average nonstop flight from Illinois to Ireland takes 14h 08m, covering a distance of 3720 miles. The shortest route is Chicago O'Hare Intl Airport (ORD) to Dublin (DUB) with an average flight time of 7h 20m.

  • What are the most popular destinations in Ireland?

    Based on KAYAK flight searches, the most popular destination is Dublin (92% of total searches to Ireland). The next most popular destinations are Shannon (5%) and Cork (2%). Searches for flights to Knock (0%), to Milltown (Kerry) (0%) and to Donegal (0%) are also popular.

Book cheap flights from Illinois to Ireland

Recent round-trip flight deals

10/6Mon
1 stopScandinavian Airlines
17h 00mORD-DUB
10/15Wed
1 stopScandinavian Airlines
27h 05mDUB-ORD
$374
11/5Wed
2 stopsScandinavian Airlines
32h 40mORD-DUB
11/9Sun
1 stopScandinavian Airlines
27h 40mDUB-ORD
$376
9/8Mon
1 stopTAP AIR PORTUGAL
17h 55mORD-DUB
9/17Wed
1 stopTAP AIR PORTUGAL
30h 10mDUB-ORD
$407
9/8Mon
1 stopTAP AIR PORTUGAL
17h 55mORD-DUB
9/15Mon
1 stopTAP AIR PORTUGAL
17h 10mDUB-ORD
$408
8/5Tue
1 stopAmerican Airlines
15h 00mORD-SNN
8/19Tue
1 stopAmerican Airlines
20h 40mSNN-ORD
$485
7/30Wed
1 stopJetBlue
14h 14mORD-DUB
8/21Thu
1 stopJetBlue
12h 16mDUB-ORD
$487
8/5Tue
1 stopAmerican Airlines
18h 20mORD-SNN
8/20Wed
2 stopsAmerican Airlines
16h 49mSNN-ORD
$495
7/20Sun
1 stopAir Canada
12h 15mSTL-DUB
8/5Tue
2 stopsAir Canada
36h 01mDUB-STL
$501
8/12Tue
1 stopJetBlue
14h 45mORD-DUB
8/22Fri
1 stopJetBlue
12h 16mDUB-ORD
$507
8/9Sat
1 stopAir Canada
31h 47mORD-DUB
8/21Thu
1 stopAir Canada
32h 03mDUB-ORD
$511

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Recent one-way flight deals

10/16Thu
1 stop
31h 35mORD-DUB
$239
7/26Sat
1 stopTAP AIR PORTUGAL
23h 50mORD-DUB
$240
10/27Mon
1 stopIcelandair
9h 45mORD-DUB
$284
8/27Wed
1 stopIcelandair
30h 50mORD-DUB
$299
8/20Wed
1 stopJetBlue
14h 45mORD-DUB
$338
9/13Sat
2 stopsScandinavian Airlines
19h 40mORD-DUB
$363
8/26Tue
2 stopsScandinavian Airlines
29h 15mORD-DUB
$364
10/1Wed
1 stopWestJet
35h 20mORD-DUB
$384
7/2Wed
2 stopsWestJet
38h 50mORD-DUB
$407
7/16Wed
1 stopJetBlue
14h 14mORD-DUB
$449

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Last minute flights from Illinois to Ireland

Last minute flight, train and bus deals

6/17Tue
multi-stop
20h 24mORD-DUB
6/24Tue
multi-stop
27h 17mDUB-ORD
$691
6/16Mon
multi-stop
30h 36mORD-DUB
6/24Tue
multi-stop
16h 45mDUB-ORD
$722
6/17Tue
nonstopUnited Airlines
7h 30mORD-DUB
6/24Tue
multi-stopUnited Airlines
30h 32mDUB-ORD
$750
6/17Tue
multi-stopUnited Airlines
11h 54mORD-DUB
6/24Tue
multi-stopUnited Airlines
30h 32mDUB-ORD
$754
6/17Tue
multi-stopAir Canada
15h 35mORD-DUB
6/24Tue
multi-stopAir Canada
30h 32mDUB-ORD
$756
6/17Tue
multi-stopAir Canada
12h 15mORD-DUB
6/24Tue
multi-stopAir Canada
11h 04mDUB-ORD
$763
6/17Tue
multi-stopKLM
12h 08mMDW-DUB
6/24Tue
multi-stopKLM
11h 40mDUB-MDW
$776
6/16Mon
multi-stopDelta
10h 55mORD-DUB
7/8Tue
multi-stopDelta
13h 49mDUB-ORD
$776
6/17Tue
multi-stopDelta
17h 21mMDW-DUB
6/24Tue
multi-stopDelta
16h 45mDUB-MDW
$780
6/17Tue
multi-stopKLM
15h 35mORD-ORK
6/22Sun
multi-stopKLM
17h 08mORK-ORD
$922

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Everything you need to know for your flight to Ireland

Cabin class types available on flights to Illinois

Cabin classes available on flights to Illinois. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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