$177+ Cheap flights from Illinois to Europe
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Aug 15 — Aug 221
Round-trip
1 adult, Economy
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Cheapest flights from Illinois to EuropeExplore the most affordable flight options available from Illinois to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2026.
Explore the most affordable flight options available from Illinois to Europe. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2026.
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$384
This KAYAK deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:50 pm
ORD
- DUB
1 stop11h 20m
Aer Lingus
Sun 11/81:00 pm
DUB
- ORD
1 stop12h 58m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$390
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/211:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$395
This KAYAK deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/261:15 pm
ORD
- DUB
1 stop9h 55m
Aer Lingus
Thu 12/31:00 pm
DUB
- ORD
1 stop12h 24m
Aer Lingus
Deal found 7/12![Aer Lingus logo]()
$398
This KAYAK deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/610:15 am
ORD
- DUB
1 stop12h 55m
Aer Lingus
Tue 11/101:00 pm
DUB
- ORD
1 stop12h 20m
Aer Lingus
Deal found 7/11![Aer Lingus logo]()
$402
This KAYAK deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Mon 9/141:20 pm
DUB
- ORD
1 stop12h 28m
Aer Lingus
Deal found 7/12![Aer Lingus logo]()
$407
This Gurufare deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 8/271:20 pm
DUB
- ORD
1 stop31h 35m
Aer Lingus
Deal found 7/12![Aer Lingus logo]()
$408
This KAYAK deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3110:15 am
ORD
- DUB
1 stop13h 55m
Aer Lingus
Fri 11/61:00 pm
DUB
- ORD
1 stop12h 20m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$409
This KAYAK deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:15 am
ORD
- DUB
1 stop12h 55m
Aer Lingus
Thu 11/121:00 pm
DUB
- ORD
1 stop12h 20m
Aer Lingus
Deal found 7/11![Aer Lingus logo]()
$411
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 8/201:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$413
This KAYAK deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/71:15 pm
ORD
- DUB
1 stop9h 55m
Aer Lingus
Thu 11/121:00 pm
DUB
- ORD
1 stop12h 20m
Aer Lingus
Deal found 7/11![Aer Lingus logo]()
$419
This KAYAK deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:09 am
ORD
- DUB
1 stop15h 01m
Aer Lingus
Thu 9/101:20 pm
DUB
- ORD
1 stop12h 45m
Aer Lingus
Deal found 7/13![Aer Lingus logo]()
$422
Best flights from Illinois to EuropeDiscover carefully curated flight deals from Illinois to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 16, 2026.
Discover carefully curated flight deals from Illinois to Europe that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 16, 2026.
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:25 am
ORD
- DUB
1 stop22h 15m
United Airlines
Tue 8/259:50 am
DUB
- ORD
1 stop30h 26m
United Airlines
Deal found 7/13![United Airlines logo]()
$631
This Finnair deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1410:20 pm
ORD
- DUB
Nonstop7h 30m
Finnair
Fri 8/219:30 am
DUB
- ORD
Nonstop8h 00m
Finnair
Deal found 7/11![Finnair logo]()
$645
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:10 pm
ORD
- BCN
1 stop14h 05m
TAP AIR PORTUGAL
Wed 11/186:45 am
BCN
- ORD
1 stop15h 45m
TAP AIR PORTUGAL
Deal found 7/15![TAP AIR PORTUGAL logo]()
$676
This Turkish Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:10 pm
ORD
- MAD
1 stop31h 15m
Turkish Airlines
Mon 10/1912:00 pm
MAD
- ORD
1 stop28h 40m
Turkish Airlines
Deal found 7/14![Turkish Airlines logo]()
$700
This British Airways deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:55 pm
ORD
- MAD
1 stop11h 45m
British Airways
Fri 10/2311:45 am
MAD
- ORD
Nonstop9h 40m
British Airways
Deal found 7/11![British Airways logo]()
$703
This Scandinavian Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:15 pm
ORD
- WAW
1 stop12h 05m
Scandinavian Airlines
Sun 1/107:45 pm
WAW
- ORD
1 stop28h 00m
Scandinavian Airlines
Deal found 7/15![Scandinavian Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 pm
ORD
- BCN
2 stops16h 10m
Delta
Fri 9/259:20 am
BCN
- ORD
1 stop11h 55m
Delta
Deal found 7/12![Delta logo]()
$752
This ITA Airways deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:00 pm
ORD
- CDG
1 stop19h 20m
ITA Airways
Wed 9/29:30 pm
CDG
- ORD
2 stops22h 40m
ITA Airways
Deal found 7/14![ITA Airways logo]()
$778
This British Airways deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/141:16 pm
ORD
- ATH
2 stops16h 04m
Multiple Airlines
Sun 12/207:50 pm
ATH
- ORD
1 stop26h 00m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$852
This Qatar Airways deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:20 pm
ORD
- IST
1 stop39h 15m
Qatar Airways
Thu 9/178:05 pm
IST
- ORD
1 stop27h 00m
Qatar Airways
Deal found 7/15![Qatar Airways logo]()
$1,020
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:40 pm
ORD
- DUB
1 stop34h 05m
United Airlines
Wed 9/911:35 am
DUB
- ORD
Nonstop8h 05m
United Airlines
Deal found 7/15![United Airlines logo]()
$645
This Etihad Airways deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/252:00 pm
ORD
- IST
1 stop38h 35m
Etihad Airways
Tue 8/111:45 pm
IST
- ORD
1 stop26h 50m
Etihad Airways
Deal found 7/12![Etihad Airways logo]()
$1,295
This Finnair deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:05 pm
ORD
- WAW
2 stops19h 25m
Finnair
Tue 9/88:55 am
WAW
- ORD
2 stops17h 47m
Finnair
Deal found 7/13![Finnair logo]()
$727
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:10 am
ORD
- DUB
1 stop22h 00m
United Airlines
Tue 8/189:50 am
DUB
- ORD
1 stop30h 26m
United Airlines
Deal found 7/13![United Airlines logo]()
$661
This Turkish Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:10 pm
ORD
- WAW
1 stop30h 00m
Turkish Airlines
Mon 10/1210:05 am
WAW
- ORD
1 stop15h 10m
Turkish Airlines
Deal found 7/12![Turkish Airlines logo]()
$738
This Icelandair deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:25 pm
ORD
- IST
2 stops17h 10m
Icelandair
Sat 9/197:50 am
IST
- ORD
2 stops18h 25m
Icelandair
Deal found 7/14![Icelandair logo]()
$1,479
This Scandinavian Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:15 pm
ORD
- CDG
2 stops17h 25m
Scandinavian Airlines
Fri 9/1111:15 am
CDG
- ORD
1 stop11h 55m
Scandinavian Airlines
Deal found 7/15![Scandinavian Airlines logo]()
$752
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:10 pm
ORD
- WAW
1 stop11h 25m
Delta
Wed 8/266:00 am
WAW
- ORD
1 stop15h 30m
Delta
Deal found 7/15![Delta logo]()
$753
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:45 pm
ORD
- MAD
1 stop21h 35m
TAP AIR PORTUGAL
Fri 12/187:40 am
MAD
- ORD
1 stop14h 50m
TAP AIR PORTUGAL
Deal found 7/11![TAP AIR PORTUGAL logo]()
$762
This Finnair deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:55 pm
ORD
- WAW
2 stops17h 05m
Finnair
Fri 10/168:55 am
WAW
- ORD
1 stop15h 55m
Finnair
Deal found 7/13![Finnair logo]()
$728
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/198:20 pm
ORD
- DUB
Nonstop7h 25m
United Airlines
Sun 10/49:50 am
DUB
- ORD
1 stop34h 53m
United Airlines
Deal found 7/15![United Airlines logo]()
$664
This British Airways deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/115:10 pm
ORD
- CDG
1 stop10h 30m
British Airways
Mon 12/218:40 pm
CDG
- ORD
1 stop29h 05m
British Airways
Deal found 7/15![British Airways logo]()
$823
This Turkish Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:25 am
ORD
- BCN
1 stop19h 05m
Turkish Airlines
Mon 9/1412:10 pm
BCN
- ORD
1 stop28h 30m
Turkish Airlines
Deal found 7/15![Turkish Airlines logo]()
$749
This ITA Airways deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure ITA Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:00 pm
ORD
- FCO
Nonstop9h 25m
ITA Airways
Thu 9/39:20 am
FCO
- ORD
Nonstop10h 50m
ITA Airways
Deal found 7/12![ITA Airways logo]()
$832
This Scandinavian Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:15 pm
ORD
- CDG
2 stops17h 25m
Scandinavian Airlines
Mon 9/2111:15 am
CDG
- ORD
1 stop11h 55m
Scandinavian Airlines
Deal found 7/13![Scandinavian Airlines logo]()
$758
This Delta deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:10 pm
ORD
- MAD
2 stops16h 35m
Delta
Fri 9/256:00 am
MAD
- ORD
1 stop15h 15m
Delta
Deal found 7/14![Delta logo]()
$767
This Finnair deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/305:00 pm
ORD
- WAW
2 stops20h 30m
Finnair
Fri 10/168:55 am
WAW
- ORD
1 stop15h 55m
Finnair
Deal found 7/12![Finnair logo]()
$728
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:38 am
ORD
- MAD
3 stops31h 42m
TAP AIR PORTUGAL
Wed 9/306:00 pm
MAD
- ORD
1 stop25h 40m
TAP AIR PORTUGAL
Deal found 7/15![TAP AIR PORTUGAL logo]()
$801
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:06 pm
ORD
- DUB
1 stop31h 14m
United Airlines
Mon 10/199:50 am
DUB
- ORD
1 stop29h 10m
United Airlines
Deal found 7/15![United Airlines logo]()
$665
This British Airways deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:00 pm
ORD
- FCO
Nonstop9h 10m
Multiple Airlines
Sat 8/2210:00 am
FCO
- ORD
Nonstop10h 30m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$887
Last-minute flights from Illinois to EuropeDiscover last-minute flight deals from Illinois to Europe. Data last updated July 16, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Europe. Data last updated July 16, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Wed 8/261:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$384
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Tue 8/251:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$454
This KAYAK deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Wed 8/191:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/12![Aer Lingus logo]()
$480
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:45 am
ORD
- DUB
1 stop11h 25m
Aer Lingus
Thu 8/201:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$501
This KAYAK deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Wed 8/191:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/12![Aer Lingus logo]()
$427
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:45 am
ORD
- DUB
1 stop11h 25m
Aer Lingus
Thu 8/201:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$395
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/211:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$413
This SmartFares deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 pm
ORD
- MAD
1 stop14h 25m
TAP AIR PORTUGAL
Tue 8/256:00 pm
MAD
- ORD
1 stop27h 45m
TAP AIR PORTUGAL
Deal found 7/11![TAP AIR PORTUGAL logo]()
$510
This KAYAK deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$465
This Gurufare deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/229:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 8/271:20 pm
DUB
- ORD
1 stop31h 35m
Aer Lingus
Deal found 7/12![Aer Lingus logo]()
$408
This KAYAK deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:45 am
ORD
- DUB
1 stop11h 25m
Aer Lingus
Mon 8/311:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$483
This KAYAK deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:45 am
ORD
- DUB
1 stop11h 25m
Aer Lingus
Wed 9/21:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/14![Aer Lingus logo]()
$498
One-way flights from Illinois to EuropeSearch for one-way flight options from Illinois to Europe. Find affordable one-way fares based on user searches. Data last updated July 16, 2026.
Search for one-way flight options from Illinois to Europe. Find affordable one-way fares based on user searches. Data last updated July 16, 2026.
This KAYAK deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:40 pm
ORD
- DUB
1 stop26h 30m
Aer Lingus
Deal found 7/13![Aer Lingus logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/257:25 pm
ORD
- DUB
1 stop9h 40m
Icelandair
Deal found 7/11![Icelandair logo]()
$188
This KAYAK deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/13![Aer Lingus logo]()
$190
This KAYAK deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:50 pm
ORD
- DUB
1 stop26h 20m
Aer Lingus
Deal found 7/16![Aer Lingus logo]()
$202
This KAYAK deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/13![Aer Lingus logo]()
$208
This KAYAK deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/139:45 am
ORD
- DUB
1 stop13h 25m
Aer Lingus
Deal found 7/15![Aer Lingus logo]()
$210
This KAYAK deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/99:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/11![Aer Lingus logo]()
$213
This KAYAK deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/29:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/11![Aer Lingus logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1110:25 pm
ORD
- DUB
2 stops26h 40m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$238
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:25 pm
ORD
- DUB
2 stops53h 20m
Multiple Airlines
Deal found 7/13![Multiple Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:25 pm
ORD
- WAW
3 stops36h 45m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$272
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am
ORD
- CDG
2 stops26h 15m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$273
Find flight deals from Illinois to Europe
Keep the following information in mind while searching for Illinois to Europe flight deals. Data was last updated July 16, 2026.
Round-trip from | $384 (KAYAK) |
|---|---|
One-way from | $177 (KAYAK) |
Popular in | June |
Cheapest in | February |
Average price | $1,261 |
Good round-trip deal | $597 or less |
Good one-way deal | $293 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Illinois to Europe that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 16, 2026.
Use the filters below to find and compare flights from Illinois to Europe that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Fri 8/14
6:25 am-10:40 am
1 stop22h 15m
Dublin
Tue 8/25
9:50 am-10:16 am
1 stop30h 26m
$631
Quickest round-trip
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Fri 8/14
10:20 pm-11:50 am
Nonstop7h 30m
Dublin
Fri 8/21
9:30 am-11:30 am
Nonstop8h 00m
$645
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Wed 9/2
3:40 pm-7:45 am
1 stop34h 05m
Dublin
Wed 9/9
11:35 am-1:40 pm
Nonstop8h 05m
$645
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Tue 8/4
7:10 am-11:10 am
1 stop22h 00m
Dublin
Tue 8/18
9:50 am-10:16 am
1 stop30h 26m
$661
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Sat 9/19
8:20 pm-9:45 am
Nonstop7h 25m
Dublin
Sun 10/4
9:50 am-2:43 pm
1 stop34h 53m
$664
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Sat 10/10
6:06 pm-7:20 am
1 stop31h 14m
Dublin
Mon 10/19
9:50 am-9:00 am
1 stop29h 10m
$665
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Sun 11/8
8:10 pm-5:15 pm
1 stop14h 05m
Barcelona-El Prat
Wed 11/18
6:45 am-3:30 pm
1 stop15h 45m
$676
ChicagoMadrid
ORD - MAD
ORDMAD
Chicago O'Hare Intl
Thu 10/1
8:10 pm-10:25 am
1 stop31h 15m
Madrid Barajas
Mon 10/19
12:00 pm-9:40 am
1 stop28h 40m
$700
ChicagoMadrid
ORD - MAD
ORDMAD
Chicago O'Hare Intl
Wed 10/14
5:55 pm-12:40 pm
1 stop11h 45m
Madrid Barajas
Fri 10/23
11:45 am-2:25 pm
Nonstop9h 40m
$703
ChicagoWarsaw
ORD - WAW
ORDWAW
Chicago O'Hare Intl
Wed 8/26
6:05 pm-8:30 pm
2 stops19h 25m
Warsaw Frederic Chopin
Tue 9/8
8:55 am-7:42 pm
2 stops17h 47m
$727
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Illinois to Europe
Have a flexible travel schedule? Discover the best time to fly to Europe from Illinois with our price prediction graph.
ORD-DUB
ORD-BCN
ORD-MAD
ORD-WAW
ORD-CDG
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Illinois to Europe
USIL-EU0
ORD-DUB
ORD-BCN
ORD-MAD
ORD-WAW
What is the cheapest month to book a flight from Illinois to Europe?
Currently, February is the cheapest month in which you can book a flight from Illinois to Europe (average of $586). Flying from Illinois to Europe in June is currently the most expensive (average of $1,099). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IL to EU?
Find hourly flight availability from Illinois to Europe. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 16, 2026.
Unlike in the morning, when flights are generally more expensive, you can save up to 56% on flights from Illinois to Europe by exploring options for tickets in the evening.
Weekly flight availability from Illinois to Europe
Explore weekly flight availability from Illinois to Europe. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 16, 2026.
The most flights from USIL to EU0 are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
How far ahead should I book a flight from Illinois to Europe?
The price you pay for your flight from Illinois to Europe may vary depending on when you book. For the best chance of a lower fare, look to book 29 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest day to fly from Illinois to Europe?
Use this chart to determine the cheapest time to fly round-trip from Illinois to Europe. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their Illinois to Europe flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Related info for your journey
Find useful and relevant information for your journey from Illinois to Europe. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Alternative routes for Illinois to Europe
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Europe by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Illinois to Europe by cabin class
Find flights from Illinois to Europe, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Illinois and Europe flights
Browse other Illinois and Europe flight options. Last updated on July 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Europe
Find the right flight back to Illinois after your stay in Europe
Fly to Europe countries
Consider these flights traveling to countries located in Europe.
Illinois to Europe flights
Consider these flights traveling from Illinois to Europe.
Top 10 airlines flying from Illinois to Europe
Discover the top 10 airlines that operate flights from Illinois to Europe. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$51 | Average$534 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$215 | Average$481 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$353 | Average$834 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$355 | Average$575 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$366 | Average$678 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$369 | Average$642 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$438 | Average$814 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$440 | Average$787 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$458 | Average$780 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$462 | Average$1,025 | FlexibilityNo cancel fee | On-time81% |