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Cheap flights from Chicago O'Hare Intl Airport to Athens from £459

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
16 Jul — 23 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from O'Hare Intl to Athens

Enter your travel dates to find the best prices.

Cheapest flights from O'Hare Intl to Athens
Explore the most affordable flight options available from O'Hare Intl to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 June 2026.

Wed 29/716:40
ORD
-
ATH
1 stop26h 40m
TAP AIR PORTUGAL
Tue 11/822:50
ATH
-
ORD
2 stops25h 10m
TAP AIR PORTUGAL
Deal found 11/6£812
Fri 9/1017:35
ORD
-
ATH
Nonstop10h 00m
Multiple Airlines
Mon 19/1010:45
ATH
-
ORD
Nonstop11h 40m
Multiple Airlines
Deal found 12/6£812
Thu 13/819:50
ORD
-
ATH
1 stop23h 30m
TAP AIR PORTUGAL
Mon 24/804:40
ATH
-
ORD
2 stops24h 20m
TAP AIR PORTUGAL
Deal found 12/6£813
Thu 30/716:45
ORD
-
ATH
1 stop26h 35m
TAP AIR PORTUGAL
Sat 22/804:40
ATH
-
ORD
2 stops23h 27m
TAP AIR PORTUGAL
Deal found 14/6£814
Tue 8/916:45
ORD
-
ATH
Nonstop10h 25m
Multiple Airlines
Tue 15/920:00
ATH
-
ORD
1 stop27h 00m
Multiple Airlines
Deal found 12/6£815
Fri 3/715:57
ORD
-
ATH
2 stops27h 23m
TAP AIR PORTUGAL
Fri 21/804:40
ATH
-
ORD
1 stop19h 20m
TAP AIR PORTUGAL
Deal found 12/6£816
Wed 29/719:15
ORD
-
ATH
2 stops31h 35m
Scandinavian Airlines
Thu 20/819:30
ATH
-
ORD
2 stops35h 14m
Scandinavian Airlines
Deal found 14/6£817
Sat 29/812:56
ORD
-
ATH
2 stops18h 29m
Austrian Airlines
Sun 6/916:15
ATH
-
ORD
2 stops32h 44m
Austrian Airlines
Deal found 11/6£817
Sat 5/918:05
ORD
-
ATH
1 stop25h 15m
TAP AIR PORTUGAL
Sat 19/916:30
ATH
-
ORD
2 stops31h 30m
TAP AIR PORTUGAL
Deal found 12/6£818
Sun 2/819:15
ORD
-
ATH
2 stops18h 30m
Scandinavian Airlines
Sun 30/811:35
ATH
-
ORD
2 stops36h 35m
Scandinavian Airlines
Deal found 14/6£819
Thu 9/716:45
ORD
-
ATH
1 stop26h 35m
TAP AIR PORTUGAL
Tue 14/720:20
ATH
-
ORD
1 stop27h 40m
TAP AIR PORTUGAL
Deal found 12/6£820
Thu 9/716:45
ORD
-
ATH
1 stop26h 35m
TAP AIR PORTUGAL
Thu 23/704:40
ATH
-
ORD
2 stops36h 12m
TAP AIR PORTUGAL
Deal found 12/6£820

Find flight deals from O'Hare Intl to Athens

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Athens (ATH). 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 16 June 2026.

Round-trip from

£812

One-way from

£459

Popular in

June

Cheapest in

November

Average price

£1,091
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 29/7-11/8
  • 3 total stops
  • 51h 50m total
  • Chicago to Athens
Search Deals
United Airlines
  • United Airlines
  • 6/7
  • 2 total stops
  • 21h 10m total
  • Chicago to Athens
Search Deals
Highest demand for flights based on searches. 31% potential increase in price (£225 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£30 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from O'Hare Intl to Athens 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 858,174 searches. Data last updated 16 June 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Athens that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 12/8

19:15-10:45

2 stops31h 30m

Athens Eleftherios V.

Sun 23/8

11:35-16:10

2 stops36h 35m

£836

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 12/7

16:40-11:00

Nonstop10h 20m

Athens Eleftherios V.

Tue 28/7

11:15-14:55

Nonstop11h 40m

£853

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 12/8

16:45-11:00

Nonstop10h 15m

Athens Eleftherios V.

Fri 21/8

11:15-14:55

Nonstop11h 40m

£853

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 4/9

16:45-11:00

Nonstop10h 15m

Athens Eleftherios V.

Mon 14/9

20:50-13:50

1 stop25h 00m

£877

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 17/7

17:00-17:25

1 stop16h 25m

Athens Eleftherios V.

Wed 22/7

11:15-14:55

Nonstop11h 40m

£889
Fastest return journey

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Thu 1/10

16:20-10:35

Nonstop10h 15m

Athens Eleftherios V.

Wed 14/10

12:35-16:00

Nonstop11h 25m

£902

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 20/7

16:40-11:00

Nonstop10h 20m

Athens Eleftherios V.

Sat 8/8

12:00-19:46

1 stop15h 46m

£913

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sat 26/9

17:25-11:40

Nonstop10h 15m

Athens Eleftherios V.

Sun 11/10

10:45-14:25

Nonstop11h 40m

£927

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 3/7

21:45-08:55

1 stop27h 10m

Athens Eleftherios V.

Sat 25/7

12:00-19:51

1 stop15h 51m

£966

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 15/7

09:40-03:20

2 stops33h 40m

Athens Eleftherios V.

Wed 5/8

09:05-12:40

2 stops35h 35m

£994

Flights are sorted by cheapest return flights first.

Deals found on 13/6

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from O'Hare Intl to Athens

Have a flexible travel schedule? Discover the best time to fly to Athens from O'Hare Intl with our price prediction graph.
Estimated return 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 Chicago O'Hare Intl Airport to Athens

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Athens?

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Athens, you should look to book at least 47 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Athens?

Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Athens (average of £439). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £1,091). 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 ORD to ATH?

Find hourly flight availability from O'Hare Intl to Athens. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 June 2026.

When flying from Chicago O'Hare Intl Airport to Athens, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Athens?

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Athens. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Athens from Chicago O'Hare Intl?

    If you book a flight to Athens from Chicago O'Hare Intl, you will be flying to Eleftherios V., which is the city’s only airport. Athens Eleftherios V. (ATH) is located 12.3 mi from the center of Athens. There are 8 flights from Chicago O'Hare Intl to Eleftherios V. per day from 0 different airlines.

  • How long is the flight from Chicago O'Hare Intl Airport to Athens?

    Scandinavian Airlines, Delta, and United Airlines can get you from Chicago O'Hare Intl Airport to Athens in just under 10h 15m. Your travel time can differ by up to 21h 15m. There are 5446 mi between Chicago O'Hare Intl Airport and Athens. This flight may include one or multiple stops.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Athens?

    Consider American Airlines (67%), Alaska Airlines (67%) or Air Canada (67%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Athens.

  • Can I find deals for flights from O'Hare Intl to Athens that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Athens flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Athens?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Athens.

  • Can I find deals for business class flights from O'Hare Intl to Athens?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Athens by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Athens?

    Currently, November is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Athens (average of £439). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £1,091). 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.

See more FAQs

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Can Cheapflights find flights from O'Hare Intl to Athens with no change fees?

Need flexible booking options for your flight to Athens from O'Hare Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Athens become cheaper?

Yes! Start tracking prices for O'Hare Intl to Athens flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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