$505+ Cheap flights from Athens (ATH) to Illinois
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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Find cheap flights from Athens to Illinois with Cheapflights
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Cheapest flights from Athens to IllinoisExplore the most affordable flight options available from Athens to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from Athens to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Wed 12/237:30 pm
ATH
- ORD
1 stop29h 15m
Scandinavian Airlines
Tue 12/297:15 pm
ORD
- ATH
1 stop15h 25m
Scandinavian Airlines
Deal found 6/7![Scandinavian Airlines logo]()
$645
This Flysmarter deal was found by Cheapflights users on 6/7. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:15 am
ATH
- ORD
Nonstop11h 50m
Multiple Airlines
Fri 7/38:40 pm
ORD
- ATH
1 stop14h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$647
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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.
Thu 6/1811:15 am
ATH
- ORD
Nonstop11h 50m
British Airways
Fri 7/35:00 pm
ORD
- ATH
1 stop13h 20m
British Airways
Deal found 6/6![British Airways logo]()
$654
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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.
Tue 6/1611:15 am
ATH
- ORD
Nonstop11h 50m
British Airways
Thu 7/29:15 pm
ORD
- ATH
1 stop14h 40m
British Airways
Deal found 6/7![British Airways logo]()
$655
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:15 am
ATH
- ORD
Nonstop11h 50m
American Airlines
Fri 7/37:05 pm
ORD
- ATH
1 stop14h 20m
American Airlines
Deal found 6/7![American Airlines logo]()
$661
This Iberia deal was found by Cheapflights users on 6/7. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:15 am
ATH
- ORD
Nonstop11h 50m
Multiple Airlines
Sat 6/2710:30 pm
ORD
- ATH
1 stop13h 20m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$663
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/246:55 am
ATH
- ORD
1 stop15h 30m
American Airlines
Sun 9/275:50 pm
ORD
- ATH
1 stop18h 05m
American Airlines
Deal found 6/7![American Airlines logo]()
$664
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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.
Sun 12/67:50 pm
ATH
- ORD
1 stop26h 00m
Multiple Airlines
Sun 12/138:40 pm
ORD
- ATH
1 stop14h 30m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$666
This British Airways deal was found by Cheapflights users on 6/8. 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 6/262:00 pm
ATH
- ORD
1 stop17h 32m
British Airways
Thu 7/167:05 pm
ORD
- ATH
1 stop13h 25m
British Airways
Deal found 6/8![British Airways logo]()
$668
This Delta deal was found by Cheapflights users on 6/8. 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 9/236:00 am
ATH
- MDW
2 stops20h 11m
Delta
Fri 2/2612:30 pm
MDW
- ATH
2 stops17h 05m
Delta
Deal found 6/8![Delta logo]()
$752
This Delta deal was found by Cheapflights users on 6/8. 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.
Mon 9/216:00 am
ATH
- MDW
2 stops20h 11m
Delta
Wed 2/249:55 am
MDW
- ATH
2 stops19h 40m
Delta
Deal found 6/8![Delta logo]()
$753
This Delta deal was found by Cheapflights users on 6/8. 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 8/269:45 am
ATH
- MDW
1 stop20h 51m
Delta
Thu 2/2512:30 pm
MDW
- ATH
2 stops17h 05m
Delta
Deal found 6/8![Delta logo]()
$755
Best flights from Athens to IllinoisDiscover carefully curated flight deals from Athens to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from Athens to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This British Airways deal was found by Cheapflights users on 6/6. 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.
Sun 12/67:50 pm
ATH
- ORD
1 stop26h 00m
British Airways
Sun 12/134:03 pm
ORD
- ATH
2 stops15h 52m
British Airways
Deal found 6/6![British Airways logo]()
$681
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/156:45 am
ATH
- ORD
1 stop14h 10m
United Airlines
Tue 10/204:20 pm
ORD
- ATH
Nonstop10h 15m
United Airlines
Deal found 6/7![United Airlines logo]()
$730
This Lufthansa deal was found by Cheapflights users on 6/7. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1612:35 pm
ATH
- ORD
Nonstop11h 40m
Lufthansa
Fri 10/234:20 pm
ORD
- ATH
Nonstop10h 15m
Lufthansa
Deal found 6/7![Lufthansa logo]()
$741
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 8/186:00 am
ATH
- ORD
2 stops18h 51m
Delta
Mon 9/285:10 pm
ORD
- ATH
2 stops16h 30m
Delta
Deal found 6/9![Delta logo]()
$765
This KLM deal was found by Cheapflights users on 6/8. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:45 am
ATH
- MDW
1 stop20h 30m
KLM
Sat 9/2611:25 am
MDW
- ATH
1 stop13h 55m
KLM
Deal found 6/8![KLM logo]()
$907
This Virgin Atlantic deal was found by Cheapflights users on 6/7. 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.
Thu 7/29:45 am
ATH
- MDW
1 stop20h 32m
Virgin Atlantic
Sat 7/186:00 am
MDW
- ATH
1 stop21h 00m
Virgin Atlantic
Deal found 6/7![Virgin Atlantic logo]()
$919
This United Airlines deal was found by Cheapflights users on 6/7. 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 7/186:25 am
ATH
- ORD
1 stop21h 30m
United Airlines
Mon 10/1910:54 am
ORD
- ATH
1 stop15h 06m
United Airlines
Deal found 6/7![United Airlines logo]()
$730
This Delta deal was found by Cheapflights users on 6/9. 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 9/236:00 am
ATH
- MDW
2 stops20h 33m
Delta
Wed 9/301:14 pm
MDW
- ATH
2 stops19h 16m
Delta
Deal found 6/9![Delta logo]()
$770
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:45 am
ATH
- ORD
1 stop14h 10m
Lufthansa
Wed 8/264:20 pm
ORD
- ATH
Nonstop10h 15m
Lufthansa
Deal found 6/10![Lufthansa logo]()
$772
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/216:45 am
ATH
- ORD
1 stop14h 10m
United Airlines
Fri 9/43:10 pm
ORD
- ATH
1 stop21h 50m
United Airlines
Deal found 6/8![United Airlines logo]()
$734
This Delta deal was found by Cheapflights users on 6/7. 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 12/66:05 am
ATH
- MDW
2 stops20h 32m
Delta
Sun 12/1312:30 pm
MDW
- ATH
2 stops17h 05m
Delta
Deal found 6/7![Delta logo]()
$787
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/76:45 am
ATH
- ORD
1 stop14h 10m
United Airlines
Fri 8/284:05 pm
ORD
- ATH
2 stops18h 40m
United Airlines
Deal found 6/10![United Airlines logo]()
$760
This Delta deal was found by Cheapflights users on 6/10. 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 8/56:00 am
ATH
- MDW
2 stops20h 33m
Delta
Sun 9/65:45 pm
MDW
- ATH
2 stops15h 55m
Delta
Deal found 6/10![Delta logo]()
$795
This United Airlines deal was found by Cheapflights users on 6/8. 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 7/2911:45 am
ATH
- ORD
1 stop16h 10m
United Airlines
Wed 8/124:20 pm
ORD
- ATH
Nonstop10h 15m
United Airlines
Deal found 6/8![United Airlines logo]()
$770
This Delta deal was found by Cheapflights users on 6/10. 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.
Mon 8/36:00 am
ATH
- MDW
2 stops20h 33m
Delta
Sun 9/610:56 am
MDW
- ATH
1 stop16h 04m
Delta
Deal found 6/10![Delta logo]()
$798
This United Airlines deal was found by Cheapflights users on 6/9. 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 8/1812:35 pm
ATH
- ORD
Nonstop11h 40m
United Airlines
Mon 9/284:20 pm
ORD
- ATH
Nonstop10h 15m
United Airlines
Deal found 6/9![United Airlines logo]()
$782
This Delta deal was found by Cheapflights users on 6/7. 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 7/226:00 am
ATH
- MDW
2 stops20h 18m
Delta
Wed 7/2912:41 pm
MDW
- ATH
1 stop14h 19m
Delta
Deal found 6/7![Delta logo]()
$917
This Delta deal was found by Cheapflights users on 6/9. 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 7/296:35 am
ATH
- MDW
2 stops19h 50m
Delta
Wed 8/121:27 pm
MDW
- ATH
2 stops16h 13m
Delta
Deal found 6/9![Delta logo]()
$921
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 7/2812:10 pm
ATH
- MDW
1 stop18h 05m
Delta
Wed 8/2610:54 am
MDW
- ATH
1 stop16h 06m
Delta
Deal found 6/10![Delta logo]()
$922
This Delta deal was found by Cheapflights users on 6/6. 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 8/56:00 am
ATH
- MDW
2 stops20h 33m
Delta
Fri 8/149:24 am
MDW
- ATH
2 stops15h 51m
Delta
Deal found 6/6![Delta logo]()
$922
Last-minute flights from Athens to IllinoisDiscover last-minute flight deals from Athens to Illinois. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from Athens to Illinois. Data last updated June 11, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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.
Tue 6/1611:15 am
ATH
- ORD
Nonstop11h 50m
British Airways
Thu 7/29:15 pm
ORD
- ATH
1 stop14h 40m
British Airways
Deal found 6/7![British Airways logo]()
$655
This Cheapflightsfares deal was found by Cheapflights users on 6/7. 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.
Tue 6/1611:15 am
ATH
- ORD
Nonstop11h 50m
British Airways
Mon 6/224:45 pm
ORD
- ATH
Nonstop10h 15m
British Airways
Deal found 6/7![British Airways logo]()
$664
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Tue 6/1611:15 am
ATH
- ORD
Nonstop11h 50m
Iberia
Tue 6/234:45 pm
ORD
- ATH
Nonstop10h 15m
Iberia
Deal found 6/7![Iberia logo]()
$671
This Delta deal was found by Cheapflights users on 6/10. 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 6/176:00 am
ATH
- MDW
2 stops20h 18m
Delta
Mon 6/221:49 pm
MDW
- ATH
2 stops15h 51m
Delta
Deal found 6/10![Delta logo]()
$766
This Flysmarter deal was found by Cheapflights users on 6/7. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:15 am
ATH
- ORD
Nonstop11h 50m
Multiple Airlines
Fri 7/38:40 pm
ORD
- ATH
1 stop14h 55m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$647
This Cheapflightsfares deal was found by Cheapflights users on 6/6. 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.
Thu 6/1811:15 am
ATH
- ORD
Nonstop11h 50m
British Airways
Fri 7/35:00 pm
ORD
- ATH
1 stop13h 20m
British Airways
Deal found 6/6![British Airways logo]()
$654
This American Airlines deal was found by Cheapflights users on 6/7. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:15 am
ATH
- ORD
Nonstop11h 50m
American Airlines
Fri 7/37:05 pm
ORD
- ATH
1 stop14h 20m
American Airlines
Deal found 6/7![American Airlines logo]()
$661
This Iberia deal was found by Cheapflights users on 6/7. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:15 am
ATH
- ORD
Nonstop11h 50m
Multiple Airlines
Sat 6/2710:30 pm
ORD
- ATH
1 stop13h 20m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$663
This Finnair deal was found by Cheapflights users on 6/8. 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 6/1811:15 am
ATH
- ORD
Nonstop11h 50m
Finnair
Fri 7/34:40 pm
ORD
- ATH
Nonstop10h 20m
Finnair
Deal found 6/8![Finnair logo]()
$672
This British Airways deal was found by Cheapflights users on 6/8. 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 6/262:00 pm
ATH
- ORD
1 stop17h 32m
British Airways
Tue 7/215:30 pm
ORD
- ATH
2 stops16h 35m
British Airways
Deal found 6/8![British Airways logo]()
$668
This Delta deal was found by Cheapflights users on 6/10. 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 7/46:00 am
ATH
- MDW
2 stops19h 54m
Delta
Mon 7/131:18 pm
MDW
- ATH
2 stops16h 22m
Delta
Deal found 6/10![Delta logo]()
$795
This Delta deal was found by Cheapflights users on 6/10. 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 7/912:10 pm
ATH
- MDW
1 stop18h 05m
Delta
Thu 7/161:18 pm
MDW
- ATH
2 stops16h 22m
Delta
Deal found 6/10![Delta logo]()
$797
One-way flights from Athens to IllinoisSearch for one-way flight options from Athens to Illinois. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from Athens to Illinois. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Iberia deal was found by Cheapflights users on 6/9. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:55 am
ATH
- ORD
2 stops22h 40m
Iberia
Deal found 6/9![Iberia logo]()
$505
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/101:00 pm
ATH
- ORD
1 stop17h 30m
American Airlines
Deal found 6/10![American Airlines logo]()
$507
This Iberia deal was found by Cheapflights users on 6/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:55 am
ATH
- ORD
2 stops21h 25m
Iberia
Deal found 6/10![Iberia logo]()
$508
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:00 pm
ATH
- ORD
1 stop27h 55m
American Airlines
Deal found 6/10![American Airlines logo]()
$509
This British Airways deal was found by Cheapflights users on 6/9. 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.
Tue 8/45:30 pm
ATH
- ORD
1 stop30h 25m
British Airways
Deal found 6/9![British Airways logo]()
$510
This BusinessClass deal was found by Cheapflights users on 6/11. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:30 am
ATH
- ORD
2 stops22h 30m
British Airways
Deal found 6/11![British Airways logo]()
$511
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Wed 7/89:25 am
ATH
- ORD
2 stops37h 45m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 12/56:45 pm
ATH
- ORD
3 stops28h 45m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$514
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1411:15 am
ATH
- ORD
Nonstop11h 40m
British Airways
Deal found 6/10![British Airways logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 7/23:00 pm
ATH
- MDW
1 stop31h 35m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$540
This Kiwi.com deal was found by Cheapflights users on 6/9. 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.
Wed 8/510:40 am
ATH
- MDW
3 stops59h 55m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$543
This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Tue 7/2111:25 am
ATH
- MDW
2 stops30h 15m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$565
Find flight deals from Athens to Illinois
Keep the following information in mind while searching for Athens to Illinois flight deals. Data was last updated June 11, 2026.
Round-trip from | $664 (American Airlines) |
|---|---|
One-way from | $505 (Iberia) |
Popular in | April |
Cheapest in | November |
Average price | $781 |
Good round-trip deal | $748 or less |
Good one-way deal | $602 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Athens to Illinois 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 June 11, 2026.
Use the filters below to find and compare flights from Athens to Illinois that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AthensChicago
ATH - ORD
ATHORD
Athens Eleftherios V.
Sun 12/6
7:50 pm-1:50 pm
1 stop26h 00m
Chicago O'Hare Intl
Sun 12/13
4:03 pm-3:55 pm
2 stops15h 52m
$681
AthensChicago
ATH - ORD
ATHORD
Athens Eleftherios V.
Wed 7/15
6:45 am-12:55 pm
1 stop14h 10m
Chicago O'Hare Intl
Tue 10/20
4:20 pm-10:35 am
Nonstop10h 15m
$730
AthensChicago
ATH - ORD
ATHORD
Athens Eleftherios V.
Sat 7/18
6:25 am-7:55 pm
1 stop21h 30m
Chicago O'Hare Intl
Mon 10/19
10:54 am-10:00 am
1 stop15h 06m
$730
AthensChicago
ATH - ORD
ATHORD
Athens Eleftherios V.
Fri 8/21
6:45 am-12:55 pm
1 stop14h 10m
Chicago O'Hare Intl
Fri 9/4
3:10 pm-9:00 pm
1 stop21h 50m
$734
Quickest round-trip
AthensChicago
ATH - ORD
ATHORD
Athens Eleftherios V.
Thu 7/16
12:35 pm-4:15 pm
Nonstop11h 40m
Chicago O'Hare Intl
Fri 10/23
4:20 pm-10:35 am
Nonstop10h 15m
$741
AthensChicago
ATH - ORD
ATHORD
Athens Eleftherios V.
Fri 8/7
6:45 am-12:55 pm
1 stop14h 10m
Chicago O'Hare Intl
Fri 8/28
4:05 pm-6:45 pm
2 stops18h 40m
$760
AthensChicago
ATH - ORD
ATHORD
Athens Eleftherios V.
Tue 8/18
6:00 am-4:51 pm
2 stops18h 51m
Chicago O'Hare Intl
Mon 9/28
5:10 pm-5:40 pm
2 stops16h 30m
$765
AthensChicago
ATH - MDW
ATHMDW
Athens Eleftherios V.
Wed 9/23
6:00 am-6:33 pm
2 stops20h 33m
Chicago Midway
Wed 9/30
1:14 pm-4:30 pm
2 stops19h 16m
$770
AthensChicago
ATH - ORD
ATHORD
Athens Eleftherios V.
Wed 7/29
11:45 am-7:55 pm
1 stop16h 10m
Chicago O'Hare Intl
Wed 8/12
4:20 pm-10:35 am
Nonstop10h 15m
$770
AthensChicago
ATH - ORD
ATHORD
Athens Eleftherios V.
Mon 7/27
6:45 am-12:55 pm
1 stop14h 10m
Chicago O'Hare Intl
Wed 8/26
4:20 pm-10:35 am
Nonstop10h 15m
$772
Showing 1-10 of 37 resultsSorted by cheapest first
Best time to book a flight from Athens to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Athens with our price prediction graph.
ATH-ORD
ATH-MDW
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 Athens to Illinois
ATH-USIL
ATH-ORD
ATH-MDW
What is the cheapest month to book a flight from Athens to Illinois?
Currently, July is the cheapest month in which you can book a flight from Athens to Illinois (average of $341). Flying from Athens to Illinois in April is currently the most expensive (average of $556). 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 ATH to IL?
Find hourly flight availability from Athens to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 11, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Athens to Illinois as you normally would.
Weekly flight availability from Athens to Illinois
Explore weekly flight availability from Athens to Illinois. 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 June 11, 2026.
The most flights from ATH to USIL are scheduled on a Monday (8 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).
How much does it cost to fly round-trip from Athens to Illinois?
How far ahead should I book a flight from Athens to Illinois?
Booking 48 days in advance of your planned departure date is, on average, the best time to get cheap flights from Athens to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated June 11, 2026.
See what other customers who have flown with United Airlines,American Airlines, andIberia from Athens to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.6
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Food
6.6
Overall
7.4
Entertainment
7.1
Crew
8.1
Boarding
7.7
Comfort
7.3
Reviews
1 / 20
4.0
OkayDynasty,May 2026
LAX - EWR
Related info for your journey
Find useful and relevant information for your journey from Athens to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Athens to Illinois
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Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Athens to Illinois by cabin class
Find flights from Athens to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Athens and Illinois flights
Browse other Athens and Illinois flight options. Last updated on June 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 8 airlines flying from Athens to Illinois
Discover the top 8 airlines that operate flights from Athens to Illinois. 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 June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$504 | Average$793 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$516 | Average$761 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$533 | Average$715 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$537 | Average$749 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$562 | Average$602 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$572 | Average$741 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$576 | Average$750 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$604 | Average$800 | FlexibilityNo cancel fee | On-time76% |