$207 Find Cheap Flights from Illinois to Ireland

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Good to know

Low seasonJanuary
High seasonAugust
Cheapest flight$207
Best time to beat the crowds with an average 16% 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 $735. On the other hand, the most expensive day to fly is Friday, where round-trip prices are $810 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 in the evening, which is peak travel time and where the average cost of a ticket is $771.

  • What is the cheapest flight to Ireland?

    The cheapest ticket to Ireland from Illinois found in the last 72 hours was to Dublin, at $531 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 $531.

  • 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 $807 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 13h 40m, 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 15m.

  • 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 (3%). Searches for flights to Knock (0%), to Donegal (0%) and to Milltown (Kerry) (0%) are also popular.

Book cheap flights from Illinois to Ireland

Recent round-trip flight deals

11/11Tue
1 stopIcelandair
9h 45mORD-DUB
11/19Wed
1 stopIcelandair
11h 50mDUB-ORD
$350
12/1Mon
1 stopIcelandair
9h 45mORD-DUB
12/14Sun
1 stopIcelandair
11h 50mDUB-ORD
$357
10/26Sun
2 stopsScandinavian Airlines
18h 15mORD-DUB
10/31Fri
2 stopsScandinavian Airlines
36h 00mDUB-ORD
$361
11/20Thu
1 stopScandinavian Airlines
17h 00mORD-DUB
11/23Sun
1 stopScandinavian Airlines
27h 40mDUB-ORD
$363
8/4Mon
1 stopAir Canada
12h 15mSTL-DUB
8/20Wed
2 stopsAir Canada
40h 10mDUB-STL
$376
8/4Mon
2 stopsAir Canada
16h 30mSTL-DUB
8/20Wed
2 stopsAir Canada
40h 10mDUB-STL
$385
10/21Tue
2 stopsUnited Airlines
12h 57mSTL-DUB
11/5Wed
1 stopUnited Airlines
12h 29mDUB-STL
$402
8/14Thu
1 stopTAP AIR PORTUGAL
21h 15mORD-DUB
8/21Thu
1 stopTAP AIR PORTUGAL
27h 20mDUB-ORD
$404
9/8Mon
1 stopTAP AIR PORTUGAL
17h 55mORD-DUB
9/14Sun
1 stopTAP AIR PORTUGAL
27h 50mDUB-ORD
$405
8/4Mon
1 stopUnited Airlines
12h 15mSTL-DUB
8/20Wed
2 stopsUnited Airlines
17h 56mDUB-STL
$408

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Recent one-way flight deals

7/19Sat
1 stopTAP AIR PORTUGAL
23h 50mORD-DUB
$207
8/10Sun
1 stopTAP AIR PORTUGAL
18h 05mORD-DUB
$208
8/7Thu
1 stopTAP AIR PORTUGAL
24h 05mORD-DUB
$211
7/30Wed
2 stops
22h 42mORD-DUB
$239
7/31Thu
2 stops
22h 45mORD-DUB
$244
9/3Wed
1 stopIcelandair
30h 50mORD-DUB
$268
9/1Mon
1 stopIcelandair
30h 50mORD-DUB
$299
8/14Thu
1 stopPorter Airlines
12h 10mMDW-DUB
$347
7/30Wed
1 stopAer Lingus
14h 33mSTL-DUB
$348
8/26Tue
1 stopAer Lingus
12h 55mSTL-DUB
$352

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Last minute flights from Illinois to Ireland

Last minute flight, train and bus deals

7/7Mon
multi-stopUnited Airlines
17h 30mSTL-SNN
7/18Fri
multi-stopUnited Airlines
16h 01mSNN-STL
$547
7/7Mon
multi-stopUnited Airlines
19h 30mSTL-SNN
7/18Fri
multi-stopUnited Airlines
16h 01mSNN-STL
$552
7/5Sat
multi-stopTAP AIR PORTUGAL
23h 50mORD-DUB
8/27Wed
multi-stopTAP AIR PORTUGAL
32h 05mDUB-ORD
$593
7/3Thu
multi-stopDelta
16h 31mMDW-DUB
7/6Sun
multi-stopDelta
18h 46mDUB-MDW
$806
7/3Thu
multi-stopDelta
17h 21mMDW-DUB
7/6Sun
multi-stopDelta
18h 46mDUB-MDW
$810
7/5Sat
multi-stopTAP AIR PORTUGAL
23h 50mORD-DUB
8/27Wed
multi-stopTAP AIR PORTUGAL
27h 10mDUB-ORD
$814
7/6Sun
multi-stop
28h 17mORD-DUB
7/18Fri
multi-stop
27h 14mDUB-ORD
$824
7/4Fri
multi-stop
19h 54mORD-DUB
7/9Wed
multi-stop
16h 10mDUB-ORD
$840
7/7Mon
multi-stopJetBlue
14h 14mORD-DUB
7/23Wed
multi-stopJetBlue
17h 03mDUB-ORD
$871
7/7Mon
multi-stopJetBlue
14h 14mORD-DUB
7/20Sun
multi-stopJetBlue
16h 28mDUB-ORD
$887

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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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