$171+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CPH
Aug 23 — Aug 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Illinois to Europe with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Illinois to Europe
Cheapest
Best
Last-minute
One-way
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 24, 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 24, 2026.
This KAYAK deal was found by Cheapflights users on 7/22. 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 8/249:45 am
ORD
- DUB
1 stop13h 25m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$366
This KAYAK deal was found by Cheapflights users on 7/22. 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
Thu 8/271:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$371
This KAYAK deal was found by Cheapflights users on 7/21. 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 9/139:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 9/171:20 pm
DUB
- ORD
1 stop12h 45m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$373
This KAYAK deal was found by Cheapflights users on 7/20. 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
Thu 8/201:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$384
This KAYAK deal was found by Cheapflights users on 7/22. 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 8/129:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$389
This KAYAK deal was found by Cheapflights users on 7/19. 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 11/511:45 am
ORD
- DUB
1 stop11h 25m
Aer Lingus
Wed 11/181:00 pm
DUB
- ORD
1 stop12h 41m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$391
This KAYAK deal was found by Cheapflights users on 7/22. 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 10/2910:15 am
ORD
- DUB
1 stop13h 55m
Aer Lingus
Thu 11/51:00 pm
DUB
- ORD
1 stop12h 58m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$394
This KAYAK deal was found by Cheapflights users on 7/20. 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 8/209:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 8/271:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$395
This KAYAK deal was found by Cheapflights users on 7/21. 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 11/1910:15 am
ORD
- DUB
1 stop12h 55m
Aer Lingus
Thu 11/261:00 pm
DUB
- ORD
1 stop12h 41m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$396
This KAYAK deal was found by Cheapflights users on 7/22. 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 9/109:45 am
ORD
- DUB
1 stop13h 25m
Aer Lingus
Wed 9/161:20 pm
DUB
- ORD
1 stop12h 28m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$398
This Ovago deal was found by Cheapflights users on 7/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:45 pm
ORD
- DUB
1 stop26h 25m
Aer Lingus
Sat 11/211:00 pm
DUB
- ORD
1 stop12h 41m
Aer Lingus
Deal found 7/23![Aer Lingus logo]()
$399
This KAYAK deal was found by Cheapflights users on 7/20. 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 9/89:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Sun 9/131:20 pm
DUB
- ORD
1 stop12h 28m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$400
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 24, 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 24, 2026.
This United Airlines deal was found by Cheapflights users on 7/19. 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.
Mon 12/76:30 pm
ORD
- DUB
Nonstop7h 40m
United Airlines
Fri 12/119:00 am
DUB
- ORD
1 stop12h 38m
United Airlines
Deal found 7/19![United Airlines logo]()
$689
This British Airways deal was found by Cheapflights users on 7/21. 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 11/185:10 pm
ORD
- DUB
1 stop17h 50m
British Airways
Wed 11/258:40 pm
DUB
- ORD
1 stop28h 05m
British Airways
Deal found 7/21![British Airways logo]()
$692
This Turkish Airlines deal was found by Cheapflights users on 7/22. 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 10/1511:25 am
ORD
- MAD
1 stop19h 10m
Turkish Airlines
Sun 10/182:40 pm
MAD
- ORD
1 stop26h 00m
Turkish Airlines
Deal found 7/22![Turkish Airlines logo]()
$700
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/20. 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.
Wed 8/264:40 pm
ORD
- BCN
1 stop14h 20m
TAP AIR PORTUGAL
Tue 2/29:10 pm
BCN
- ORD
1 stop25h 20m
TAP AIR PORTUGAL
Deal found 7/20![TAP AIR PORTUGAL logo]()
$707
This Scandinavian Airlines deal was found by Cheapflights users on 7/19. 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 9/177:15 pm
ORD
- WAW
1 stop12h 10m
Scandinavian Airlines
Wed 9/3010:15 am
WAW
- ORD
1 stop12h 55m
Scandinavian Airlines
Deal found 7/19![Scandinavian Airlines logo]()
$731
This Finnair deal was found by Cheapflights users on 7/19. 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.
Tue 8/185:00 pm
ORD
- FCO
Nonstop9h 10m
Finnair
Tue 8/2510:30 am
FCO
- ORD
1 stop14h 20m
Finnair
Deal found 7/19![Finnair logo]()
$755
This Virgin Atlantic deal was found by Cheapflights users on 7/19. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:30 am
ORD
- BCN
2 stops16h 05m
Virgin Atlantic
Wed 11/2510:30 am
BCN
- ORD
2 stops20h 20m
Virgin Atlantic
Deal found 7/19![Virgin Atlantic logo]()
$755
This United deal was found by Cheapflights users on 7/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:45 pm
ORD
- CDG
Nonstop8h 10m
Multiple Airlines
Tue 12/156:10 am
CDG
- ORD
1 stop14h 00m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$762
This Delta deal was found by Cheapflights users on 7/19. 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.
Wed 9/3010:30 am
ORD
- MAD
2 stops15h 40m
Delta
Sat 10/106:00 am
MAD
- ORD
2 stops17h 24m
Delta
Deal found 7/19![Delta logo]()
$777
This ITA Airways deal was found by Cheapflights users on 7/19. 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.
Wed 8/263:00 pm
ORD
- ATH
1 stop19h 35m
ITA Airways
Sun 9/66:05 am
ATH
- ORD
1 stop15h 05m
ITA Airways
Deal found 7/19![ITA Airways logo]()
$847
This JetBlue deal was found by Cheapflights users on 7/21. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:00 pm
ORD
- LHR
1 stop14h 30m
JetBlue
Sat 9/128:40 am
LHR
- ORD
1 stop16h 42m
JetBlue
Deal found 7/21![JetBlue logo]()
$961
This Icelandair deal was found by Cheapflights users on 7/23. 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.
Thu 8/67:25 pm
ORD
- LGW
1 stop13h 15m
Icelandair
Wed 8/193:40 pm
LGW
- ORD
1 stop11h 45m
Icelandair
Deal found 7/23![Icelandair logo]()
$961
This Qatar Airways deal was found by Cheapflights users on 7/19. 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.
Thu 10/297:50 pm
ORD
- IST
1 stop38h 50m
Qatar Airways
Mon 11/28:10 pm
IST
- ORD
2 stops36h 47m
Qatar Airways
Deal found 7/19![Qatar Airways logo]()
$1,039
This Austrian Airlines deal was found by Cheapflights users on 7/21. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/141:12 pm
ORD
- ATH
2 stops15h 28m
Austrian Airlines
Sun 1/31:25 pm
ATH
- ORD
1 stop32h 35m
Austrian Airlines
Deal found 7/21![Austrian Airlines logo]()
$1,280
This United Airlines deal was found by Cheapflights users on 7/20. 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 12/16:30 pm
ORD
- DUB
Nonstop7h 40m
United Airlines
Tue 12/1510:40 am
DUB
- ORD
Nonstop8h 40m
United Airlines
Deal found 7/20![United Airlines logo]()
$692
This Turkish Airlines deal was found by Cheapflights users on 7/20. 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 11/59:15 pm
ORD
- MAD
1 stop19h 20m
Turkish Airlines
Sat 11/146:15 am
MAD
- ORD
1 stop19h 05m
Turkish Airlines
Deal found 7/20![Turkish Airlines logo]()
$700
This Scandinavian Airlines deal was found by Cheapflights users on 7/19. 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 7/19![Scandinavian Airlines logo]()
$753
This British Airways deal was found by Cheapflights users on 7/22. 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 10/1610:20 pm
ORD
- MAD
Nonstop8h 10m
Multiple Airlines
Wed 10/211:35 pm
MAD
- ORD
Nonstop9h 25m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$762
This United Airlines deal was found by Cheapflights users on 7/21. 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 11/181:00 pm
ORD
- DUB
1 stop12h 30m
United Airlines
Wed 11/2510:40 am
DUB
- ORD
Nonstop8h 40m
United Airlines
Deal found 7/21![United Airlines logo]()
$696
This Turkish Airlines deal was found by Cheapflights users on 7/19. 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 10/299:15 pm
ORD
- MAD
1 stop34h 00m
Turkish Airlines
Sat 11/76:15 am
MAD
- ORD
1 stop34h 45m
Turkish Airlines
Deal found 7/19![Turkish Airlines logo]()
$700
This Delta deal was found by Cheapflights users on 7/23. 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.
Sun 8/235:10 pm
ORD
- FCO
1 stop11h 15m
Delta
Sun 8/306:30 am
FCO
- ORD
2 stops16h 47m
Delta
Deal found 7/23![Delta logo]()
$780
This British Airways deal was found by Cheapflights users on 7/22. 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 10/245:45 pm
ORD
- FCO
Nonstop9h 15m
British Airways
Wed 11/48:30 pm
FCO
- ORD
1 stop24h 15m
British Airways
Deal found 7/22![British Airways logo]()
$788
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/23. 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 9/66:00 pm
ORD
- MAD
1 stop20h 25m
TAP AIR PORTUGAL
Tue 9/158:10 pm
MAD
- ORD
2 stops30h 12m
TAP AIR PORTUGAL
Deal found 7/23![TAP AIR PORTUGAL logo]()
$821
This Scandinavian Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 10/107:15 pm
ORD
- CDG
2 stops18h 20m
Scandinavian Airlines
Wed 10/1411:15 am
CDG
- ORD
1 stop11h 55m
Scandinavian Airlines
Deal found 7/22![Scandinavian Airlines logo]()
$757
This Finnair deal was found by Cheapflights users on 7/23. 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.
Thu 10/85:55 pm
ORD
- MAD
1 stop12h 25m
Multiple Airlines
Tue 10/131:35 pm
MAD
- ORD
Nonstop9h 25m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$762
This Turkish Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 10/309:15 pm
ORD
- MAD
1 stop34h 00m
Turkish Airlines
Mon 11/96:00 pm
MAD
- ORD
1 stop31h 20m
Turkish Airlines
Deal found 7/23![Turkish Airlines logo]()
$700
This Delta deal was found by Cheapflights users on 7/22. 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.
Wed 12/26:25 pm
ORD
- CDG
Nonstop8h 10m
Delta
Wed 12/92:00 pm
CDG
- ORD
Nonstop9h 15m
Delta
Deal found 7/22![Delta logo]()
$783
This United Airlines deal was found by Cheapflights users on 7/23. 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 11/243:40 pm
ORD
- FCO
Nonstop9h 05m
United Airlines
Thu 12/37:05 am
FCO
- ORD
1 stop13h 05m
United Airlines
Deal found 7/23![United Airlines logo]()
$716
This Virgin Atlantic deal was found by Cheapflights users on 7/22. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:30 pm
ORD
- LGW
2 stops20h 15m
Virgin Atlantic
Thu 11/1910:00 am
LGW
- ORD
1 stop12h 15m
Virgin Atlantic
Deal found 7/22![Virgin Atlantic logo]()
$915
This Scandinavian Airlines deal was found by Cheapflights users on 7/22. 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 9/87:15 pm
ORD
- CDG
2 stops17h 25m
Scandinavian Airlines
Wed 9/1611:15 am
CDG
- ORD
1 stop11h 55m
Scandinavian Airlines
Deal found 7/22![Scandinavian Airlines logo]()
$758
Last-minute flights from Illinois to EuropeDiscover last-minute flight deals from Illinois to Europe. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Illinois to Europe. Data last updated July 24, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 7/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Wed 8/191:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$414
This KAYAK deal was found by Cheapflights users on 7/20. 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 8/69:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/211:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$416
This KAYAK deal was found by Cheapflights users on 7/20. 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
Thu 8/201:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$384
This oojo deal was found by Cheapflights users on 7/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:00 pm
ORD
- MAD
1 stop23h 20m
TAP AIR PORTUGAL
Wed 8/1910:25 pm
MAD
- ORD
1 stop21h 15m
TAP AIR PORTUGAL
Deal found 7/20![TAP AIR PORTUGAL logo]()
$527
This KAYAK deal was found by Cheapflights users on 7/22. 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
Fri 8/281:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$371
This KAYAK deal was found by Cheapflights users on 7/22. 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 8/129:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$389
This KAYAK deal was found by Cheapflights users on 7/19. 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 7/19![Aer Lingus logo]()
$411
This KAYAK deal was found by Cheapflights users on 7/22. 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
Thu 8/271:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$421
This oojo deal was found by Cheapflights users on 7/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:00 pm
ORD
- MAD
1 stop23h 20m
TAP AIR PORTUGAL
Fri 8/217:40 am
MAD
- ORD
1 stop15h 20m
TAP AIR PORTUGAL
Deal found 7/19![TAP AIR PORTUGAL logo]()
$518
This KAYAK deal was found by Cheapflights users on 7/20. 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 8/209:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Thu 8/271:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$395
This KAYAK deal was found by Cheapflights users on 7/22. 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 8/249:45 am
ORD
- DUB
1 stop13h 25m
Aer Lingus
Fri 8/281:20 pm
DUB
- ORD
1 stop12h 32m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$366
This KAYAK deal was found by Cheapflights users on 7/19. 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 8/269:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Tue 9/81:20 pm
DUB
- ORD
1 stop13h 00m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$433
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 24, 2026.
Search for one-way flight options from Illinois to Europe. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This KAYAK deal was found by Cheapflights users on 7/23. 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 9/209:45 am
ORD
- DUB
1 stop13h 25m
Aer Lingus
Deal found 7/23![Aer Lingus logo]()
$171
This KAYAK deal was found by Cheapflights users on 7/20. 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 12/71:16 pm
ORD
- DUB
1 stop9h 54m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$173
This KAYAK deal was found by Cheapflights users on 7/22. 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 8/129:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/22![Aer Lingus logo]()
$178
This KAYAK deal was found by Cheapflights users on 7/19. 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 8/209:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/19![Aer Lingus logo]()
$190
This Priceline deal was found by Cheapflights users on 7/22. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:25 pm
ORD
- DUB
1 stop30h 40m
Icelandair
Deal found 7/22![Icelandair logo]()
$191
This KAYAK deal was found by Cheapflights users on 7/20. 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 9/189:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/20![Aer Lingus logo]()
$195
This Ovago deal was found by Cheapflights users on 7/23. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:45 pm
ORD
- DUB
1 stop27h 25m
Aer Lingus
Deal found 7/23![Aer Lingus logo]()
$204
This KAYAK deal was found by Cheapflights users on 7/22. 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 7/22![Aer Lingus logo]()
$205
This KAYAK deal was found by Cheapflights users on 7/20. 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
Deal found 7/20![Aer Lingus logo]()
$213
This KAYAK deal was found by Cheapflights users on 7/21. 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 10/219:50 am
ORD
- DUB
1 stop13h 20m
Aer Lingus
Deal found 7/21![Aer Lingus logo]()
$215
This Booking.com deal was found by Cheapflights users on 7/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:25 pm
ORD
- CDG
1 stop10h 50m
Icelandair
Deal found 7/21![Icelandair logo]()
$259
This Cheapflightsfares deal was found by Cheapflights users on 7/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:25 pm
ORD
- CDG
1 stop13h 50m
Icelandair
Deal found 7/22![Icelandair logo]()
$261
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 24, 2026.
Round-trip from | $366 (KAYAK) |
|---|---|
One-way from | $171 (KAYAK) |
Popular in | June |
Cheapest in | February |
Average price | $1,365 |
Good round-trip deal | $537 or less |
Good one-way deal | $245 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 24, 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
Mon 12/7
6:30 pm-8:10 am
Nonstop7h 40m
Dublin
Fri 12/11
9:00 am-3:38 pm
1 stop12h 38m
$689
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Wed 11/18
5:10 pm-5:00 pm
1 stop17h 50m
Dublin
Wed 11/25
8:40 pm-6:45 pm
1 stop28h 05m
$692
Quickest round-trip
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Tue 12/1
6:30 pm-8:10 am
Nonstop7h 40m
Dublin
Tue 12/15
10:40 am-1:20 pm
Nonstop8h 40m
$692
ChicagoDublin
ORD - DUB
ORDDUB
Chicago O'Hare Intl
Wed 11/18
1:00 pm-7:30 am
1 stop12h 30m
Dublin
Wed 11/25
10:40 am-1:20 pm
Nonstop8h 40m
$696
ChicagoMadrid
ORD - MAD
ORDMAD
Chicago O'Hare Intl
Thu 10/15
11:25 am-1:35 pm
1 stop19h 10m
Madrid Barajas
Sun 10/18
2:40 pm-9:40 am
1 stop26h 00m
$700
ChicagoMadrid
ORD - MAD
ORDMAD
Chicago O'Hare Intl
Thu 11/5
9:15 pm-11:35 pm
1 stop19h 20m
Madrid Barajas
Sat 11/14
6:15 am-6:20 pm
1 stop19h 05m
$700
ChicagoMadrid
ORD - MAD
ORDMAD
Chicago O'Hare Intl
Thu 10/29
9:15 pm-1:15 pm
1 stop34h 00m
Madrid Barajas
Sat 11/7
6:15 am-10:00 am
1 stop34h 45m
$700
ChicagoMadrid
ORD - MAD
ORDMAD
Chicago O'Hare Intl
Fri 10/30
9:15 pm-1:15 pm
1 stop34h 00m
Madrid Barajas
Mon 11/9
6:00 pm-6:20 pm
1 stop31h 20m
$700
ChicagoBarcelona
ORD - BCN
ORDBCN
Chicago O'Hare Intl
Wed 8/26
4:40 pm-2:00 pm
1 stop14h 20m
Barcelona-El Prat
Tue 2/2
9:10 pm-3:30 pm
1 stop25h 20m
$707
ChicagoRome
ORD - FCO
ORDFCO
Chicago O'Hare Intl
Tue 11/24
3:40 pm-7:45 am
Nonstop9h 05m
Rome Fiumicino
Thu 12/3
7:05 am-1:10 pm
1 stop13h 05m
$716
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-MAD
ORD-BCN
ORD-WAW
ORD-FCO
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-MAD
ORD-BCN
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 $594). Flying from Illinois to Europe in June is currently the most expensive (average of $1,113). 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 24, 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 24, 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 18, 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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top countries
Top destinations
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 24, 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 24, 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$355 | Average$574 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$362 | Average$660 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$369 | Average$655 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$376 | Average$834 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$440 | Average$787 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$445 | Average$820 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$458 | Average$767 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$462 | Average$1,025 | FlexibilityNo cancel fee | On-time81% |