$470+ Cheap flights from Athens (ATH) to Illinois
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
Oct 7 — Oct 141
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 September 7, 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 September 7, 2026.
This Gotogate deal was found by Cheapflights users on 9/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:55 am -
1 stop13h 40m
Tue 10/132:40 pm -
1 stop17h 05m
Deal found 9/4![SWISS logo]()
$733
This Orbitz deal was found by Cheapflights users on 9/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:55 am -
1 stop17h 05m
Wed 10/215:15 pm -
Nonstop10h 20m
Deal found 9/4![Iberia logo]()
$734
This British Airways deal was found by Cheapflights users on 9/6. 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.
Tue 9/151:00 pm -
1 stop17h 31m
Sat 10/36:45 am -
1 stop20h 10m
Deal found 9/6![British Airways logo]()
$735
This British Airways deal was found by Cheapflights users on 9/3. 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 9/237:30 am -
1 stop14h 20m
Fri 10/168:50 pm -
1 stop14h 45m
Deal found 9/3![British Airways logo]()
$736
This British Airways deal was found by Cheapflights users on 9/2. 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 9/98:00 pm -
1 stop25h 50m
Thu 9/248:50 pm -
1 stop31h 00m
Deal found 9/2![British Airways logo]()
$737
This British Airways deal was found by Cheapflights users on 9/6. 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.
Thu 9/247:25 am -
1 stop14h 25m
Wed 10/78:50 pm -
1 stop21h 35m
Deal found 9/6![British Airways logo]()
$738
This Delta deal was found by Cheapflights users on 9/3. 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 10/16:00 am -
2 stops20h 26m
Thu 11/1210:30 am -
2 stops19h 10m
Deal found 9/3![Delta logo]()
$739
This Justfly.com deal was found by Cheapflights users on 9/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:05 am -
1 stop15h 05m
Fri 10/163:00 pm -
1 stop12h 10m
Deal found 9/6![ITA Airways logo]()
$740
This Delta deal was found by Cheapflights users on 9/6. 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.
Sat 12/266:10 am -
2 stops19h 15m
Sat 1/91:35 pm -
2 stops16h 05m
Deal found 9/6![Delta logo]()
$741
This Finnair deal was found by Cheapflights users on 9/6. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 pm -
1 stop28h 00m
Wed 10/284:25 pm -
2 stops25h 35m
Deal found 9/6![Multiple Airlines logo]()
$742
This British Airways deal was found by Cheapflights users on 9/3. 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.
Thu 10/18:00 pm -
1 stop24h 25m
Thu 10/225:15 pm -
Nonstop10h 15m
Deal found 9/3![British Airways logo]()
$743
This Orbitz deal was found by Cheapflights users on 9/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:25 am -
1 stop16h 30m
Tue 9/294:50 pm -
Nonstop10h 20m
Deal found 9/2![British Airways logo]()
$744
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 September 7, 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 September 7, 2026.
This KLM deal was found by Cheapflights users on 9/2. 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.
Sat 1/306:10 am -
1 stop16h 15m
Sun 1/313:50 pm -
2 stops16h 45m
Deal found 9/2![KLM logo]()
$733
This Delta deal was found by Cheapflights users on 9/5. 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 12/266:10 am -
2 stops19h 15m
Sat 1/91:35 pm -
2 stops16h 05m
Deal found 9/5![Delta logo]()
$741
This United Airlines deal was found by Cheapflights users on 9/3. 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 10/126:00 am -
1 stop14h 35m
Wed 10/219:00 am -
2 stops15h 10m
Deal found 9/3![United Airlines logo]()
$763
This Austrian Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 10/116:30 am -
1 stop14h 50m
Wed 10/2112:55 pm -
2 stops15h 50m
Deal found 9/3![Austrian Airlines logo]()
$768
This British Airways deal was found by Cheapflights users on 9/6. 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.
Thu 9/177:25 am -
1 stop14h 25m
Mon 10/55:00 pm -
2 stops16h 35m
Deal found 9/6![British Airways logo]()
$796
This Virgin Atlantic deal was found by Cheapflights users on 9/3. 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 9/179:45 am -
1 stop21h 00m
Sat 10/311:35 am -
2 stops17h 45m
Deal found 9/3![Virgin Atlantic logo]()
$853
This Delta deal was found by Cheapflights users on 9/2. 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 9/241:35 pm -
2 stops17h 09m
Tue 9/291:00 pm -
2 stops16h 40m
Deal found 9/2![Delta logo]()
$752
This United Airlines deal was found by Cheapflights users on 9/4. 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 9/1812:35 pm -
Nonstop11h 25m
Sun 10/46:00 am -
1 stop18h 10m
Deal found 9/4![United Airlines logo]()
$764
This United Airlines deal was found by Cheapflights users on 9/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2312:35 pm -
Nonstop11h 25m
Wed 1/2012:40 pm -
2 stops16h 15m
Deal found 9/6![United Airlines logo]()
$764
This Delta deal was found by Cheapflights users on 9/4. 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 10/206:00 am -
2 stops23h 31m
Sat 5/157:00 am -
1 stop16h 35m
Deal found 9/4![Delta logo]()
$779
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/36:00 am -
2 stops24h 30m
Sat 10/108:00 am -
2 stops16h 10m
Deal found 9/4![United Airlines logo]()
$771
This Delta deal was found by Cheapflights users on 9/4. 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 9/181:35 pm -
2 stops17h 09m
Sun 10/42:00 pm -
2 stops18h 30m
Deal found 9/4![Delta logo]()
$804
This Virgin Atlantic deal was found by Cheapflights users on 9/4. 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 10/19:45 am -
1 stop20h 59m
Thu 10/1512:49 pm -
1 stop14h 11m
Deal found 9/4![Virgin Atlantic logo]()
$1,070
This Delta deal was found by Cheapflights users on 9/5. 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 10/216:00 am -
2 stops20h 00m
Sun 10/259:29 am -
2 stops20h 31m
Deal found 9/5![Delta logo]()
$804
This KLM deal was found by Cheapflights users on 9/6. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:35 pm -
2 stops17h 09m
Wed 10/76:04 am -
1 stop20h 56m
Deal found 9/6![KLM logo]()
$1,105
This Delta deal was found by Cheapflights users on 9/6. 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.
Sat 12/196:10 am -
1 stop16h 15m
Sat 1/91:35 pm -
2 stops16h 05m
Deal found 9/6![Delta logo]()
$811
This Delta deal was found by Cheapflights users on 9/3. 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 10/36:00 am -
2 stops20h 22m
Sat 10/105:31 pm -
2 stops15h 19m
Deal found 9/3![Delta logo]()
$853
This Delta deal was found by Cheapflights users on 9/5. 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 10/206:00 am -
2 stops20h 00m
Tue 10/2712:49 pm -
2 stops17h 11m
Deal found 9/5![Delta logo]()
$855
This Delta deal was found by Cheapflights users on 9/3. 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 10/136:35 am -
2 stops18h 12m
Thu 10/2210:59 am -
2 stops17h 51m
Deal found 9/3![Delta logo]()
$888
This Delta deal was found by Cheapflights users on 9/6. 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.
Fri 10/96:00 am -
2 stops18h 47m
Sun 10/116:04 am -
2 stops17h 46m
Deal found 9/6![Delta logo]()
$1,070
This Delta deal was found by Cheapflights users on 9/2. 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 10/179:45 am -
1 stop20h 48m
Sat 10/241:27 pm -
2 stops17h 13m
Deal found 9/2![Delta logo]()
$1,084
Last-minute flights from Athens to IllinoisDiscover last-minute flight deals from Athens to Illinois. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Athens to Illinois. Data last updated September 7, 2026 and is based on user searches.
This British Airways deal was found by Cheapflights users on 9/2. 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 9/98:00 pm -
1 stop25h 50m
Thu 9/248:50 pm -
1 stop31h 00m
Deal found 9/2![British Airways logo]()
$737
This British Airways deal was found by Cheapflights users on 9/6. 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.
Tue 9/151:00 pm -
1 stop17h 31m
Sat 10/36:45 am -
1 stop20h 10m
Deal found 9/6![British Airways logo]()
$735
This ITA Airways deal was found by Cheapflights users on 9/3. 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.
Tue 9/227:30 pm -
1 stop25h 40m
Fri 10/163:00 pm -
1 stop12h 10m
Deal found 9/3![ITA Airways logo]()
$741
This Orbitz deal was found by Cheapflights users on 9/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:55 am -
1 stop17h 05m
Wed 10/215:15 pm -
Nonstop10h 20m
Deal found 9/4![Iberia logo]()
$734
This British Airways deal was found by Cheapflights users on 9/3. 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 9/238:00 pm -
1 stop25h 50m
Wed 10/147:05 pm -
1 stop14h 00m
Deal found 9/3![British Airways logo]()
$736
This Justfly.com deal was found by Cheapflights users on 9/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:05 am -
1 stop15h 05m
Fri 10/163:00 pm -
1 stop12h 10m
Deal found 9/6![ITA Airways logo]()
$740
This British Airways deal was found by Cheapflights users on 9/6. 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.
Thu 9/247:25 am -
1 stop14h 25m
Wed 10/78:50 pm -
1 stop21h 35m
Deal found 9/6![British Airways logo]()
$738
This Orbitz deal was found by Cheapflights users on 9/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:25 am -
1 stop16h 30m
Tue 9/294:50 pm -
Nonstop10h 20m
Deal found 9/2![British Airways logo]()
$744
This Gotogate deal was found by Cheapflights users on 9/4. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:55 am -
1 stop13h 40m
Tue 10/132:40 pm -
1 stop17h 05m
Deal found 9/4![SWISS logo]()
$733
This Delta deal was found by Cheapflights users on 9/3. 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 10/16:00 am -
2 stops20h 26m
Thu 11/1210:30 am -
2 stops19h 10m
Deal found 9/3![Delta logo]()
$739
This British Airways deal was found by Cheapflights users on 9/3. 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.
Thu 10/18:00 pm -
1 stop24h 25m
Tue 10/205:15 pm -
Nonstop10h 15m
Deal found 9/3![British Airways logo]()
$743
This Finnair deal was found by Cheapflights users on 9/6. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 pm -
1 stop28h 00m
Wed 10/284:25 pm -
2 stops25h 35m
Deal found 9/6![Multiple Airlines logo]()
$742
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 September 7, 2026.
Search for one-way flight options from Athens to Illinois. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 3/37:05 pm -
2 stops31h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$470
This Expedia deal was found by Cheapflights users on 9/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:15 pm -
1 stop25h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![British Airways logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 2/288:30 pm -
2 stops29h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$473
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:30 pm -
2 stops29h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/27:30 pm -
2 stops52h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$476
This Finnair deal was found by Cheapflights users on 9/6. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/118:20 pm -
1 stop27h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$478
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/4. 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.
Sat 12/54:10 am -
1 stop19h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![TAP AIR PORTUGAL logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 9/4. 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 11/54:30 am -
3 stops21h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Multiple Airlines logo]()
$480
This TAP AIR PORTUGAL deal was found by Cheapflights users on 9/6. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:10 am -
1 stop19h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![TAP AIR PORTUGAL logo]()
$481
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:00 pm -
3 stops51h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 9/2. 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 10/194:00 pm -
3 stops51h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$551
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:25 pm -
3 stops43h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$558
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 September 7, 2026.
Round-trip from | $733 (Gotogate) |
|---|---|
One-way from | $470 (Kiwi.com) |
Popular in | April |
Cheapest in | November |
Average price | $771 |
Good round-trip deal | $908 or less |
Good one-way deal | $854 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 7,457,451 searches. Data last updated September 7, 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 Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Sat 12/5
4:10 am-3:30 pm
1 stop19h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$479
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Tue 10/27
8:05 pm-7:45 pm
1 stop30h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$487
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Tue 12/1
7:40 am-6:55 pm
2 stops19h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$492
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Mon 11/2
8:20 pm-6:45 pm
1 stop30h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$528
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Thu 10/29
8:00 pm-8:28 pm
2 stops31h 28m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$547
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Thu 9/17
5:05 pm-5:15 am
1 stop20h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$652
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Fri 10/2
9:20 pm-9:15 pm
1 stop31h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$657
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Tue 9/22
11:00 pm-9:37 pm
2 stops30h 37m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$686
Quickest round-trip
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Thu 10/8
10:45 am-2:15 pm
Nonstop11h 30m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$689
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Wed 10/7
6:55 am-4:00 pm
1 stop17h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$696
Showing 1-10 of 41 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, February is the cheapest month in which you can book a flight from Athens to Illinois (average of $624). Flying from Athens to Illinois in June is currently the most expensive (average of $897). 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 September 7, 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 September 7, 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?
Airfare is typical for this route at the moment.
Athens to Illinois flights typically cost between $733 and $896 in September.The cheapest round-trip price found within the last 5 days was $733 on SWISS (Sep 30-Oct 13).
How far ahead should I book a flight from Athens to Illinois?
Booking 57 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 September 7, 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.
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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
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Athens and Illinois flights
Browse other Athens and Illinois flight options. Last updated on September 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 7 airlines flying from Athens to Illinois
Discover the top 7 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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$432 | Average$719 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$531 | Average$839 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$537 | Average$870 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$552 | Average$723 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$586 | Average$819 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$595 | Average$784 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$605 | Average$789 | FlexibilityNo cancel fee | On-time76% |