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Cheap flights from Chicago O'Hare Intl Airport to Athens from £191

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
8 Mar — 15 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 6 February 2026.

Sat 18/423:20
ORD
-
ATH
1 stop20h 00m
Air Serbia
Sat 25/404:30
ATH
-
ORD
1 stop24h 45m
Air Serbia
Deal found 5/2£404
Sat 4/423:20
ORD
-
ATH
1 stop32h 25m
Air Serbia
Tue 14/416:30
ATH
-
ORD
1 stop30h 00m
Air Serbia
Deal found 6/2£408
Wed 22/416:40
ORD
-
ATH
1 stop15h 05m
Air Serbia
Sun 6/921:20
ATH
-
ORD
1 stop25h 10m
Air Serbia
Deal found 6/2£409
Mon 6/716:40
ORD
-
ATH
1 stop26h 40m
Air Serbia
Sat 11/704:30
ATH
-
ORD
1 stop24h 45m
Air Serbia
Deal found 4/2£409
Sat 28/217:30
ORD
-
ATH
1 stop25h 45m
Air Serbia
Thu 19/316:35
ATH
-
ORD
1 stop30h 25m
Air Serbia
Deal found 6/2£423
Wed 1/416:40
ORD
-
ATH
1 stop15h 05m
Air Serbia
Tue 28/416:30
ATH
-
ORD
1 stop30h 00m
Air Serbia
Deal found 3/2£423
Sat 28/217:30
ORD
-
ATH
1 stop13h 35m
Air Serbia
Thu 5/316:35
ATH
-
ORD
1 stop30h 25m
Air Serbia
Deal found 3/2£424
Mon 14/919:15
ORD
-
ATH
2 stops31h 30m
Scandinavian Airlines
Thu 24/911:35
ATH
-
ORD
2 stops36h 35m
Scandinavian Airlines
Deal found 6/2£426
Sat 22/823:20
ORD
-
ATH
1 stop13h 15m
Air Serbia
Tue 1/916:30
ATH
-
ORD
1 stop30h 00m
Air Serbia
Deal found 5/2£428
Mon 31/816:40
ORD
-
ATH
1 stop26h 40m
Air Serbia
Wed 9/904:30
ATH
-
ORD
1 stop18h 00m
Air Serbia
Deal found 3/2£428
Sun 22/310:40
ORD
-
ATH
1 stop15h 25m
United Airlines
Thu 2/406:35
ATH
-
ORD
1 stop21h 20m
United Airlines
Deal found 4/2£430
Sun 1/321:50
ORD
-
ATH
1 stop19h 50m
United Airlines
Wed 18/310:55
ATH
-
ORD
1 stop16h 15m
United Airlines
Deal found 6/2£431

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 6 February 2026.

Round-trip from

£404

One-way from

£191

Popular in

June

Cheapest in

November

Average price

£448
Air Serbia
  • Air Serbia
  • 18/4-25/4
  • 2 total stops
  • 44h 45m total
  • Chicago to Athens
Search Deals
Air Serbia
  • Air Serbia
  • 4/4
  • 1 total stop
  • 32h 25m total
  • Chicago to Athens
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£183 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 February 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 6 February 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 1/3

21:50-01:40

1 stop19h 50m

Athens Eleftherios V.

Fri 13/3

10:55-20:10

1 stop16h 15m

£431

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 2/3

12:00-12:00

2 stops16h 00m

Athens Eleftherios V.

Wed 18/3

10:55-08:00

1 stop28h 05m

£435

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 11/3

10:00-12:00

2 stops19h 00m

Athens Eleftherios V.

Tue 24/3

06:25-14:25

1 stop15h 00m

£436

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 24/3

09:35-13:00

2 stops20h 25m

Athens Eleftherios V.

Fri 27/3

12:20-23:54

1 stop18h 34m

£442

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 8/3

17:25-16:35

1 stop16h 10m

Athens Eleftherios V.

Thu 19/3

11:50-08:30

2 stops27h 40m

£442

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 4/3

16:25-16:35

1 stop16h 10m

Athens Eleftherios V.

Mon 16/3

13:45-17:10

2 stops34h 25m

£444

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 10/3

13:57-16:35

2 stops19h 38m

Athens Eleftherios V.

Wed 25/3

13:45-09:25

2 stops26h 40m

£447

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 15/3

21:15-12:55

2 stops32h 40m

Athens Eleftherios V.

Tue 24/3

06:25-18:35

2 stops19h 10m

£449

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 25/5

16:40-03:20

1 stop26h 40m

Athens Eleftherios V.

Sat 6/6

04:30-21:15

1 stop24h 45m

£457

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sat 7/3

20:00-10:40

2 stops30h 40m

Athens Eleftherios V.

Sun 15/3

10:55-13:22

2 stops33h 27m

£459

Flights are sorted by cheapest return flights first.

Deals found on 4/2

Showing 1-10 of 20 results
1
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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 30 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 £334). 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, Delta, and Air Serbia can get you from Chicago O'Hare Intl Airport to Athens in just under 12h 56m. Your travel time can differ by up to 22h 27m. 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 £334). 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

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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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