$396+ Cheap flights from Athens (ATH) to O'Hare Intl (ORD)
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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Athens to O'Hare Intl 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.Cheapflights Tip: The best prices from Athens Eleftherios V. to Chicago O'Hare Intl are usually found in February or May, booked 34 days in advance, depart on a Monday or Saturday and return on a Monday
Cheap flight deals from Athens to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Athens to O'Hare IntlExplore the most affordable flight options available from Athens to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Athens to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:45 am -
2 stops21h 13m
Sun 3/77:25 am -
2 stops19h 35m
Deal found 10/20![Air Canada logo]()
$764
This deal was found by Cheapflights users on 10/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:25 pm -
1 stop19h 36m
Thu 3/119:00 am -
1 stop17h 05m
Deal found 10/22![United Airlines logo]()
$765
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:00 pm -
2 stops32h 54m
Tue 12/84:30 pm -
1 stop34h 30m
Deal found 10/21![Air Canada logo]()
$766
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/132:30 pm -
1 stop13h 35m
Mon 11/309:50 pm -
1 stop19h 40m
Deal found 10/21![United Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/132:30 pm -
1 stop13h 35m
Wed 12/210:35 pm -
1 stop14h 45m
Deal found 10/21![United Airlines logo]()
$768
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:45 am -
2 stops22h 03m
Fri 4/29:30 pm -
2 stops29h 40m
Deal found 10/20![Air Canada logo]()
$769
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:00 pm -
1 stop14h 52m
Sat 12/53:45 pm -
1 stop35h 15m
Deal found 10/21![Air Canada logo]()
$770
This Air Canada deal was found by Cheapflights users on 10/23. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:45 am -
2 stops16h 17m
Sun 12/131:55 pm -
1 stop13h 05m
Deal found 10/23![Multiple Airlines logo]()
$771
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/202:30 pm -
1 stop13h 35m
Tue 12/86:17 pm -
1 stop32h 43m
Deal found 10/21![United Airlines logo]()
$772
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:45 am -
2 stops21h 13m
Sun 12/68:45 am -
2 stops19h 55m
Deal found 10/21![Air Canada logo]()
$773
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 am -
2 stops20h 00m
Tue 12/19:21 pm -
1 stop29h 39m
Deal found 10/21![Air Canada logo]()
$774
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 am -
2 stops21h 43m
Thu 4/19:30 pm -
1 stop29h 40m
Deal found 10/20![Air Canada logo]()
$775
Best flights from Athens to O'Hare IntlDiscover carefully curated flight deals from Athens to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Athens to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Sat 4/102:10 pm -
1 stop13h 45m
Mon 4/123:35 pm -
1 stop15h 20m
Deal found 10/23![United Airlines logo]()
$767
This KLM deal was found by Cheapflights users on 10/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:45 pm -
2 stops18h 09m
Thu 4/15:10 pm -
1 stop16h 30m
Deal found 10/20![Multiple Airlines logo]()
$770
This oojo deal was found by Cheapflights users on 10/24. 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.
Tue 12/2211:35 am -
1 stop14h 45m
Thu 1/148:15 pm -
1 stop28h 25m
Deal found 10/24![Turkish Airlines logo]()
$770
This KLM deal was found by Cheapflights users on 10/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:10 am -
2 stops18h 55m
Thu 3/114:25 pm -
1 stop12h 15m
Deal found 10/20![KLM logo]()
$775
This Delta deal was found by Cheapflights users on 10/24. 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 4/56:00 am -
2 stops23h 37m
Mon 4/1910:10 am -
2 stops19h 30m
Deal found 10/24![Delta logo]()
$796
This Scandinavian Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/242:10 pm -
1 stop34h 35m
Fri 1/17:10 pm -
1 stop33h 30m
Deal found 10/24![Scandinavian Airlines logo]()
$815
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Sun 12/66:45 am -
1 stop14h 25m
Mon 1/1111:25 am -
2 stops16h 40m
Deal found 10/24![United Airlines logo]()
$772
This British Airways deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/117:55 am -
2 stops20h 19m
Wed 6/27:25 pm -
1 stop15h 35m
Deal found 10/24![Multiple Airlines logo]()
$800
This Delta deal was found by Cheapflights users on 10/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1811:45 am -
1 stop17h 51m
Thu 1/77:00 am -
2 stops22h 40m
Deal found 10/21![Delta logo]()
$817
This KLM deal was found by Cheapflights users on 10/21. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1811:45 am -
1 stop17h 51m
Thu 1/74:25 pm -
1 stop16h 10m
Deal found 10/21![KLM logo]()
$822
This United Airlines deal was found by Cheapflights users on 10/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:05 am -
2 stops20h 00m
Wed 12/309:35 pm -
2 stops29h 20m
Deal found 10/22![United Airlines logo]()
$778
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Fri 12/181:00 pm -
1 stop14h 58m
Thu 1/77:05 am -
1 stop19h 55m
Deal found 10/20![United Airlines logo]()
$814
Last-minute flights from Athens to O'Hare IntlDiscover last-minute flight deals from Athens to O'Hare Intl. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Athens to O'Hare Intl. Data last updated October 25, 2026 and is based on user searches.
This deal was found by Cheapflights users on 10/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1012:25 pm -
1 stop19h 36m
Thu 3/119:00 am -
1 stop17h 05m
Deal found 10/22![United Airlines logo]()
$765
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:45 am -
2 stops21h 13m
Sun 3/77:25 am -
2 stops19h 35m
Deal found 10/20![Air Canada logo]()
$764
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:45 am -
2 stops22h 03m
Fri 4/29:30 pm -
2 stops29h 40m
Deal found 10/20![Air Canada logo]()
$769
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:45 am -
2 stops20h 20m
Mon 11/3012:50 pm -
2 stops19h 40m
Deal found 10/21![Air Canada logo]()
$773
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 am -
2 stops20h 00m
Tue 12/19:21 pm -
1 stop29h 39m
Deal found 10/21![Air Canada logo]()
$774
This Air Canada deal was found by Cheapflights users on 10/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 am -
2 stops21h 43m
Thu 4/19:30 pm -
1 stop29h 40m
Deal found 10/20![Air Canada logo]()
$775
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/132:30 pm -
1 stop13h 35m
Mon 11/309:50 pm -
1 stop19h 40m
Deal found 10/21![United Airlines logo]()
$767
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/132:30 pm -
1 stop13h 35m
Tue 12/16:10 pm -
1 stop19h 10m
Deal found 10/21![United Airlines logo]()
$768
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:00 pm -
1 stop14h 52m
Sat 12/53:45 pm -
1 stop35h 15m
Deal found 10/21![Air Canada logo]()
$770
This Air Canada deal was found by Cheapflights users on 10/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/191:00 pm -
2 stops32h 54m
Tue 12/84:30 pm -
1 stop34h 30m
Deal found 10/21![Air Canada logo]()
$766
This Air Canada deal was found by Cheapflights users on 10/22. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:00 pm -
2 stops32h 54m
Mon 3/14:30 pm -
2 stops16h 20m
Deal found 10/22![Air Canada logo]()
$771
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Fri 11/202:30 pm -
1 stop13h 35m
Fri 12/118:50 pm -
1 stop30h 10m
Deal found 10/21![United Airlines logo]()
$772
One-way flights from Athens to O'Hare IntlSearch for one-way flight options from Athens to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Athens to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2011:30 am -
3 stops37h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$396
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1710:05 pm -
3 stops53h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$399
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2210:25 pm -
3 stops50h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$402
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:50 pm -
3 stops47h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2311:45 pm -
3 stops47h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$416
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:55 am -
3 stops42h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$419
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/410:50 pm -
3 stops48h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/2210:50 pm -
3 stops28h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Multiple Airlines logo]()
$427
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:45 pm -
3 stops56h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1611:00 am -
3 stops38h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$433
Find flight deals from Athens to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Athens (ATH) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $764 (Air Canada) |
One-way from | $396 (Kiwi.com) |
Popular in | October |
Cheapest in | February |
Average price | $935 |
Good round-trip deal | $918 or less |
Good one-way deal | $517 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Athens to O'Hare Intl 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 October 25, 2026.
Use the filters below to find and compare flights from Athens to Chicago O'Hare Intl Airport 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.
Tue 4/13
4:30 pm-2:30 pm
1 stop30h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$457
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Wed 12/9
8:20 pm-1:45 pm
1 stop25h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$467
Quickest round-trip
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Mon 1/11
6:10 am-2:25 pm
1 stop16h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$468
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Mon 1/11
8:20 pm-1:45 pm
1 stop25h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$471
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Wed 12/9
1:45 pm-10:57 pm
2 stops17h 12m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$473
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Wed 12/16
6:10 am-2:25 pm
1 stop16h 15m
Chicago O'Hare Intl
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$489
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Sat 4/10
2:10 pm-7:55 pm
1 stop13h 45m
Chicago O'Hare Intl
Mon 4/12
3:35 pm-2:55 pm
1 stop15h 20m
$767
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Mon 11/9
1:45 pm-11:54 pm
2 stops18h 09m
Chicago O'Hare Intl
Thu 4/1
5:10 pm-5:40 pm
1 stop16h 30m
$770
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Tue 12/22
11:35 am-6:20 pm
1 stop14h 45m
Chicago O'Hare Intl
Thu 1/14
8:15 pm-8:40 am
1 stop28h 25m
$770
AthensChicago
ATH Athens Eleftherios V. - ORD Chicago O'Hare Intl
ATHORD
Athens Eleftherios V.
Sun 12/6
6:45 am-1:10 pm
1 stop14h 25m
Chicago O'Hare Intl
Mon 1/11
11:25 am-12:05 pm
2 stops16h 40m
$772
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Athens to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Athens to O'Hare Intl in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Athens-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Athens-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Athens-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Athens-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Athens-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Athens to O'Hare Intl
Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Athens with our price prediction graph.
ATH-ORD
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 Chicago O'Hare Intl Airport
Prices
Delays
More
How far ahead should I book a flight from Athens to Chicago O'Hare Intl Airport?
The best time to book flights from Athens to Chicago O'Hare Intl Airport is 33 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Athens to Chicago O'Hare Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of $730). Flying from Athens to Chicago O'Hare Intl Airport in October is currently the most expensive (average of $935). 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 ORD?
Find hourly flight availability from Athens to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 25, 2026.
When flying from Athens to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How often are flights from Athens to Chicago delayed?
About 6% of weekly flights between Athens and Chicago have experienced delays in the past year, with the average delay time being 201 minutes.
What is the most punctual flight time for Athens to Chicago flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Athens to Chicago flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 6% of flights being delayed.
What’s the top layover airport for flights from Athens to Chicago O'Hare Intl Airport?
Share of 1-stop round-trip flights from Athens to Chicago O'Hare Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.
Frankfurt am Main (FRA) – chosen by Cheapflights users on 40% of 1-stop itineraries from Athens to Chicago O'Hare Intl Airport on Cheapflights.
What’s the cheapest layover airport for flights from Athens to Chicago O'Hare Intl Airport?
Average round-trip fare for 1-stop flights from Athens to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.
London (LHR) is the most affordable 1-stop option, with an average round-trip price of $663.
What’s the fastest layover option from Athens to Chicago O'Hare Intl Airport?
Shortest average travel time for 1-stop one-way flights from Athens to Chicago O'Hare Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Frankfurt am Main (FRA) have the shortest average one-way travel time for 1-stop routes: 13h 45m.
Which airport typically offers the quickest layover for flights from Athens to Chicago O'Hare Intl Airport?
Average layover duration for 1-stop one-way flights from Athens to Chicago O'Hare Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Istanbul (IST) offer the fastest connection on this route, with an average layover time of 1h 10m.
The best insider tips for Athens to Chicago O'Hare Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Athens to Chicago O'Hare Intl Airport trip
Our travel experts
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated October 25, 2026.
Get a feel of what it's like to fly with Turkish Airlines,United Airlines, andAmerican Airlines from Athens to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.4
Comfort
7.3
Boarding
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Oct 2024
ATH - IST
Overall
7.4
Comfort
7.3
Boarding
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Oct 2024
ATH - IST
Overall
7.4
Comfort
7.3
Boarding
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Oct 2024
ATH - IST
Overall
7.4
Comfort
7.3
Boarding
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Oct 2024
ATH - IST
Overall
7.4
Comfort
7.3
Boarding
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Oct 2024
ATH - IST
Overall
7.4
Comfort
7.3
Boarding
7.3
Food
7.5
Entertainment
7.5
Crew
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Oct 2024
ATH - IST
Related info for your journey
Find useful and relevant information for your journey from Athens to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Naperville
Lake Geneva
Des Plaines
Glenview
Schaumburg
Oak Brook
Aurora
Oakbrook Terrace
Delavan
Libertyville
Rockford
Hoffman Estates
Beloit
Gurnee
Orland Park
South Holland
Elgin
Racine
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Other flights to O'Hare Intl
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Top 7 airlines flying from Athens to O'Hare Intl
Discover the top 7 airlines that operate flights from Athens to O'Hare Intl. 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 October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$539 | Average$840 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$552 | Average$829 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$586 | Average$819 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$587 | Average$719 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$644 | Average$803 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$657 | Average$857 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$712 | Average$1,111 | FlexibilityNo cancel fee | On-time71% |