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Cheap flights from Chicago O'Hare Intl Airport to Athens from £242

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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
16 Sep — 23 Sep1
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 17 August 2026.

Thu 10/1211:45 -
2 stops17h 15m
Fri 18/1207:35 -
1 stop19h 10m
Deal found 16/8£539
Mon 28/919:15 -
1 stop15h 25m
Sun 7/211:25 -
2 stops37h 20m
Deal found 13/8£540
Mon 2/1119:15 -
2 stops17h 05m
Mon 16/1119:30 -
1 stop29h 15m
Deal found 12/8£541
Tue 17/1112:50 -
1 stop14h 10m
Wed 2/1214:30 -
1 stop28h 35m
Deal found 16/8£542
Thu 1/1020:10 -
1 stop23h 00m
Fri 9/1004:00 -
1 stop13h 40m
Deal found 14/8£543
Wed 30/919:15 -
2 stops31h 30m
Thu 11/211:25 -
2 stops37h 20m
Deal found 13/8£545
Sun 4/1019:15 -
1 stop15h 25m
Fri 5/214:10 -
1 stop34h 35m
Deal found 13/8£547
Mon 9/1119:15 -
2 stops17h 05m
Mon 16/1111:25 -
2 stops37h 20m
Deal found 13/8£547
Sun 25/1021:15 -
1 stop32h 00m
Mon 9/1113:05 -
1 stop28h 55m
Deal found 16/8£548
Tue 29/919:15 -
2 stops31h 35m
Fri 5/214:10 -
1 stop34h 35m
Deal found 13/8£550
Sun 15/1107:05 -
1 stop19h 55m
Sun 22/1113:00 -
2 stops32h 09m
Deal found 13/8£551
Sun 4/1019:15 -
2 stops31h 30m
Wed 18/1119:30 -
1 stop29h 15m
Deal found 13/8£552

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 17 August 2026.

Round-trip from

£539

One-way from

£242

Popular in

June

Cheapest in

February

Average price

£688
British Airways
  • British Airways
  • 10/12-18/12
  • 3 total stops
  • 36h 25m total
  • Chicago to Athens
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United Airlines
  • United Airlines
  • 12/12
  • 1 total stop
  • 33h 10m total
  • Chicago to Athens
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£208 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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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 17 August 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 Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Fri 29/1

10:40-19:50

2 stops25h 10m

Athens Eleftherios V.

Sun 7/2

11:25-16:45

2 stops37h 20m

£570

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Sat 24/10

15:40-11:00

1 stop35h 20m

Athens Eleftherios V.

Wed 11/11

13:00-14:38

2 stops33h 38m

£572

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Sun 25/10

20:15-18:40

1 stop15h 25m

Athens Eleftherios V.

Mon 9/11

08:20-22:36

2 stops22h 16m

£572

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Fri 2/10

19:15-20:25

2 stops17h 10m

Athens Eleftherios V.

Wed 14/10

19:30-16:10

1 stop28h 40m

£593

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Mon 14/9

19:15-18:40

1 stop15h 25m

Athens Eleftherios V.

Mon 21/9

11:35-16:10

2 stops36h 35m

£626

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Sat 17/10

19:15-18:40

1 stop15h 25m

Athens Eleftherios V.

Sun 25/10

11:25-17:45

2 stops37h 20m

£630

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Wed 30/12

23:55-03:25

1 stop19h 30m

Athens Eleftherios V.

Fri 1/1

15:50-16:50

1 stop33h 00m

£718

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Fri 23/10

17:29-17:40

2 stops16h 11m

Athens Eleftherios V.

Sat 31/10

13:35-10:25

2 stops27h 50m

£784

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Tue 15/9

18:00-23:05

1 stop21h 05m

Athens Eleftherios V.

Thu 1/10

12:35-16:00

Nonstop11h 25m

£800
Fastest return journey

ChicagoAthens

ORD Chicago O'Hare Intl - ATH Athens Eleftherios V.

ORDATH

Chicago O'Hare Intl

Mon 21/9

10:50-10:00

1 stop15h 10m

Athens Eleftherios V.

Tue 29/9

12:35-16:00

Nonstop11h 25m

£837

Flights are sorted by cheapest return flights first.

Deals found on 16/8

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 7 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Athens (average of £441). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £1,086). 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 17 August 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?

Airfare is below average for this route at the moment.

Chicago O'Hare Intl Airport to Athens flights typically cost between £563 and £850 in December.
The cheapest return price found within the last 5 days was £539 on Multiple Airlines (10 Dec–18 Dec).

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?

    United Airlines and Scandinavian Airlines can get you from Chicago O'Hare Intl Airport to Athens in just under 15h 25m. Your travel time can differ by up to 19h 55m. 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 (70%), Alaska Airlines (70%) or Finnair (70%) 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Athens (average of £441). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £1,086). 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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