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Cheap flights from Chicago O'Hare Intl Airport to Athens from £235

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 21/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
23 Feb — 2 Mar1
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 January 2026.

Mon 16/211:50
ORD
-
ATH
1 stop13h 00m
Turkish Airlines
Sun 1/321:40
ATH
-
ORD
1 stop20h 25m
Turkish Airlines
Deal found 22/1£393
Tue 10/312:03
ORD
-
ATH
1 stop14h 02m
United Airlines
Tue 17/313:10
ATH
-
ORD
2 stops29h 50m
United Airlines
Deal found 22/1£402
Wed 21/1018:00
ORD
-
ATH
1 stop25h 40m
TAP AIR PORTUGAL
Sun 1/1104:10
ATH
-
ORD
1 stop18h 50m
TAP AIR PORTUGAL
Deal found 22/1£402
Sat 22/823:50
ORD
-
ATH
1 stop25h 05m
Turkish Airlines
Sat 5/915:40
ATH
-
ORD
1 stop14h 25m
Turkish Airlines
Deal found 23/1£410
Tue 3/221:50
ORD
-
ATH
1 stop19h 50m
United Airlines
Wed 11/206:15
ATH
-
ORD
2 stops21h 55m
United Airlines
Deal found 22/1£413
Tue 10/313:09
ORD
-
ATH
1 stop12h 56m
United Airlines
Wed 18/310:55
ATH
-
ORD
2 stops33h 20m
United Airlines
Deal found 24/1£420
Tue 17/314:30
ORD
-
ATH
2 stops14h 30m
United Airlines
Tue 24/306:25
ATH
-
ORD
2 stops24h 19m
United Airlines
Deal found 22/1£421
Tue 24/221:50
ORD
-
ATH
1 stop19h 50m
United Airlines
Wed 18/310:55
ATH
-
ORD
2 stops43h 49m
United Airlines
Deal found 23/1£422
Sat 21/317:30
ORD
-
ATH
1 stop14h 35m
Air Serbia
Fri 27/304:30
ATH
-
ORD
1 stop18h 30m
Air Serbia
Deal found 24/1£424

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 January 2026.

Round-trip from

£393

One-way from

£235

Popular in

June

Cheapest in

November

Average price

£532
Turkish Airlines
  • Turkish Airlines
  • 16/2-1/3
  • 2 total stops
  • 33h 25m total
  • Chicago to Athens
Search Deals
Air Serbia
  • Air Serbia
  • 21/3
  • 1 total stop
  • 14h 35m total
  • Chicago to Athens
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£185 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 January 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

O'Hare Intl

Fly to

Athens

Route

Depart

Return

Price

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 22/2

21:50-01:40

1 stop19h 50m

Athens Eleftherios V.

Thu 26/2

06:25-20:10

2 stops21h 45m

£436

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 23/3

13:06-12:00

2 stops15h 54m

Athens Eleftherios V.

Thu 26/3

06:25-23:44

2 stops24h 19m

£444

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 11/3

23:35-00:30

1 stop17h 55m

Athens Eleftherios V.

Thu 19/3

06:25-18:45

2 stops19h 20m

£444

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 1/4

21:40-23:05

1 stop17h 25m

Athens Eleftherios V.

Thu 30/4

12:35-16:05

Nonstop11h 30m

£452

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 15/4

14:20-13:10

1 stop14h 50m

Athens Eleftherios V.

Wed 29/4

12:35-16:05

Nonstop11h 30m

£453

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 12/5

21:40-23:05

1 stop17h 25m

Athens Eleftherios V.

Tue 19/5

12:35-16:05

Nonstop11h 30m

£457

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 3/2

13:00-12:00

2 stops15h 00m

Athens Eleftherios V.

Sun 8/2

06:15-14:55

2 stops16h 40m

£476

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 15/5

08:45-10:00

1 stop17h 15m

Athens Eleftherios V.

Mon 25/5

13:35-13:20

1 stop31h 45m

£513

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 8/6

16:40-15:45

1 stop15h 05m

Athens Eleftherios V.

Mon 15/6

04:30-14:30

1 stop18h 00m

£514

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 18/3

10:45-09:35

1 stop15h 50m

Athens Eleftherios V.

Fri 27/3

11:50-22:12

1 stop17h 22m

£530

Flights are sorted by cheapest return flights first.

Deals found on 21/1

Showing 1-10 of 22 results
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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?

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to Athens. Price data was last updated on 23 January 2026.

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 48 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 £335). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £518). 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.

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 0 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. Your travel time can differ by up to 7h 10m. There are 5446 mi between Chicago O'Hare Intl Airport and Athens. This flight may include one or multiple stops.

  • 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 £335). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £518). 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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Piraeus
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Glyfada
Hydra
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How does Cheapflights help users find flights from O'Hare Intl to Athens?

When you search for this flight from O'Hare Intl to Athens, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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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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