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Cheap flights from Chicago O'Hare Intl Airport to Athens from £297

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
24 May — 31 May1
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 24 April 2026.

Wed 11/1119:20
ORD
-
ATH
1 stop15h 20m
Scandinavian Airlines
Sun 6/1220:20
ATH
-
ORD
1 stop28h 25m
Scandinavian Airlines
Deal found 20/4£520
Wed 21/1016:40
ORD
-
ATH
1 stop26h 40m
Air Serbia
Thu 29/1016:35
ATH
-
ORD
1 stop30h 05m
Air Serbia
Deal found 20/4£534
Sat 24/1023:20
ORD
-
ATH
1 stop32h 45m
Air Serbia
Fri 30/1004:30
ATH
-
ORD
1 stop18h 10m
Air Serbia
Deal found 20/4£535
Sat 5/923:20
ORD
-
ATH
1 stop26h 15m
Air Serbia
Fri 18/921:20
ATH
-
ORD
1 stop31h 55m
Air Serbia
Deal found 20/4£535
Wed 2/916:40
ORD
-
ATH
1 stop26h 40m
Air Serbia
Fri 23/1021:20
ATH
-
ORD
1 stop31h 55m
Air Serbia
Deal found 22/4£541
Wed 11/1119:20
ORD
-
ATH
1 stop15h 20m
Scandinavian Airlines
Mon 7/1214:10
ATH
-
ORD
1 stop34h 35m
Scandinavian Airlines
Deal found 20/4£543
Tue 29/911:25
ORD
-
ATH
1 stop25h 05m
Turkish Airlines
Tue 6/1022:00
ATH
-
ORD
1 stop19h 40m
Turkish Airlines
Deal found 19/4£543
Sun 1/1119:20
ORD
-
ATH
1 stop15h 20m
Scandinavian Airlines
Mon 16/1119:30
ATH
-
ORD
2 stops34h 03m
Scandinavian Airlines
Deal found 19/4£556
Thu 24/911:25
ORD
-
ATH
1 stop31h 40m
Turkish Airlines
Wed 7/1022:00
ATH
-
ORD
1 stop28h 15m
Turkish Airlines
Deal found 22/4£580
Sat 22/819:15
ORD
-
ATH
1 stop15h 25m
Scandinavian Airlines
Thu 27/819:30
ATH
-
ORD
2 stops34h 36m
Scandinavian Airlines
Deal found 21/4£587
Sun 1/1107:15
ORD
-
ATH
1 stop20h 00m
United Airlines
Wed 11/1113:00
ATH
-
ORD
2 stops33h 35m
United Airlines
Deal found 20/4£589

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 24 April 2026.

Round-trip from

£534

One-way from

£297

Popular in

June

Cheapest in

November

Average price

£596
Air Serbia
  • Air Serbia
  • 21/10-29/10
  • 2 total stops
  • 56h 45m total
  • Chicago to Athens
Search Deals
Air Serbia
  • Air Serbia
  • 12/9
  • 1 total stop
  • 13h 15m total
  • Chicago to Athens
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£193 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 24 April 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 30/9

08:45-10:10

1 stop17h 25m

Athens Eleftherios V.

Wed 14/10

12:35-16:00

Nonstop11h 25m

£641

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 27/9

16:20-10:35

Nonstop10h 15m

Athens Eleftherios V.

Wed 14/10

13:10-20:12

1 stop15h 02m

£641

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 6/7

08:03-11:00

1 stop18h 57m

Athens Eleftherios V.

Wed 2/9

06:00-14:30

1 stop16h 30m

£646

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sat 15/8

16:20-10:35

Nonstop10h 15m

Athens Eleftherios V.

Mon 31/8

16:15-13:20

1 stop29h 05m

£668

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 4/5

11:00-10:00

2 stops15h 00m

Athens Eleftherios V.

Sat 9/1

06:25-14:55

2 stops16h 30m

£758
Fastest return journey

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 7/10

16:20-10:35

Nonstop10h 15m

Athens Eleftherios V.

Sun 18/10

12:35-16:00

Nonstop11h 25m

£837

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 19/10

16:20-10:35

Nonstop10h 15m

Athens Eleftherios V.

Thu 29/10

12:50-19:25

1 stop13h 35m

£843

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Thu 24/9

16:20-10:35

Nonstop10h 15m

Athens Eleftherios V.

Sun 4/10

06:55-12:35

1 stop13h 40m

£885

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 8/7

09:45-11:00

1 stop17h 15m

Athens Eleftherios V.

Fri 31/7

06:00-18:19

2 stops20h 19m

£894

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 3/8

16:20-10:35

Nonstop10h 15m

Athens Eleftherios V.

Sat 22/8

12:35-16:15

Nonstop11h 40m

£932

Flights are sorted by cheapest return flights first.

Deals found on 24/4

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 £437). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £1,030). 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 24 April 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 3 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 Delta can get you from Chicago O'Hare Intl Airport to Athens in just under 10h 15m. Your travel time can differ by up to 8h 42m. 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 Air Canada (100%), United Airlines (100%) or Lufthansa (100%) 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 £437). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £1,030). 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

Travelling to a place near Athens?

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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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