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Cheap flights from Chicago O'Hare Intl Airport to Athens from £300

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
5 Jun — 12 Jun1
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 May 2026.

Fri 16/1010:30
ORD
-
ATH
1 stop13h 05m
Delta
Sat 31/1013:30
ATH
-
ORD
1 stop33h 00m
Delta
Deal found 4/5£673
Tue 13/1010:30
ORD
-
ATH
1 stop13h 05m
Delta
Sun 25/1011:45
ATH
-
ORD
1 stop26h 54m
Delta
Deal found 3/5£674
Sat 2/523:20
ORD
-
ATH
1 stop32h 25m
Air Serbia
Fri 8/521:20
ATH
-
ORD
1 stop31h 55m
Air Serbia
Deal found 2/5£679
Fri 25/920:10
ORD
-
ATH
1 stop16h 20m
Turkish Airlines
Sun 4/1003:55
ATH
-
ORD
1 stop13h 45m
Turkish Airlines
Deal found 3/5£682
Mon 3/819:25
ORD
-
ATH
1 stop28h 10m
Delta
Mon 12/1006:35
ATH
-
ORD
2 stops18h 59m
Delta
Deal found 2/5£682
Mon 18/510:30
ORD
-
ATH
1 stop13h 05m
Delta
Sun 24/506:00
ATH
-
ORD
1 stop16h 15m
Delta
Deal found 4/5£687
Wed 14/1010:30
ORD
-
ATH
1 stop13h 05m
Delta
Wed 28/1013:55
ATH
-
ORD
2 stops26h 38m
Delta
Deal found 3/5£690
Tue 22/910:30
ORD
-
ATH
1 stop13h 05m
Delta
Mon 5/1010:05
ATH
-
ORD
1 stop19h 31m
Delta
Deal found 3/5£691
Mon 3/819:25
ORD
-
ATH
1 stop28h 10m
Delta
Tue 15/906:00
ATH
-
ORD
2 stops20h 07m
Delta
Deal found 1/5£694
Tue 1/910:30
ORD
-
ATH
1 stop13h 05m
Delta
Mon 7/906:00
ATH
-
ORD
2 stops18h 48m
Delta
Deal found 3/5£695
Fri 18/920:10
ORD
-
ATH
1 stop16h 20m
Turkish Airlines
Sat 3/1003:55
ATH
-
ORD
1 stop13h 45m
Turkish Airlines
Deal found 3/5£696
Mon 19/1019:05
ORD
-
ATH
1 stop13h 35m
British Airways
Sun 1/1119:50
ATH
-
ORD
1 stop26h 00m
British Airways
Deal found 3/5£697

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 May 2026.

Round-trip from

£673

One-way from

£300

Popular in

June

Cheapest in

November

Average price

£827
Delta
  • Delta
  • 23/10-31/10
  • 2 total stops
  • 45h 30m total
  • Chicago to Athens
Search Deals
Air Serbia
  • Air Serbia
  • 31/10
  • 1 total stop
  • 14h 35m total
  • Chicago to Athens
Search Deals
Highest demand for flights based on searches. 29% potential increase in price (£194 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 May 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 May 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

Tue 22/9

20:10-22:25

1 stop18h 15m

Athens Eleftherios V.

Sun 4/10

22:00-09:40

1 stop19h 40m

£746

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 23/9

19:15-10:45

2 stops31h 30m

Athens Eleftherios V.

Tue 6/10

07:45-22:04

2 stops22h 19m

£746

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 2/10

13:30-13:40

2 stops16h 10m

Athens Eleftherios V.

Thu 15/10

06:00-18:40

2 stops20h 40m

£760

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 25/9

18:00-03:20

1 stop25h 20m

Athens Eleftherios V.

Wed 7/10

09:05-12:40

2 stops35h 35m

£788

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 25/9

18:00-03:20

1 stop25h 20m

Athens Eleftherios V.

Tue 6/10

09:05-16:00

2 stops38h 55m

£788

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 11/9

16:20-10:35

Nonstop10h 15m

Athens Eleftherios V.

Tue 22/9

06:45-14:55

1 stop16h 10m

£868

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 7/7

11:20-11:00

1 stop15h 40m

Athens Eleftherios V.

Fri 7/8

06:00-14:15

1 stop16h 15m

£883

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 23/9

13:00-03:20

2 stops30h 20m

Athens Eleftherios V.

Wed 7/10

09:05-12:40

2 stops35h 35m

£910

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 22/9

13:00-03:20

2 stops30h 20m

Athens Eleftherios V.

Mon 5/10

16:30-16:00

2 stops55h 30m

£918
Fastest return journey

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 22/7

16:20-10:35

Nonstop10h 15m

Athens Eleftherios V.

Tue 18/8

12:35-16:15

Nonstop11h 40m

£969

Flights are sorted by cheapest return flights first.

Deals found on 5/5

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 £436). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £1,033). 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 6 May 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?

    Turkish Airlines, Delta, and TAP AIR PORTUGAL can get you from Chicago O'Hare Intl Airport to Athens in just under 16h 10m. Your travel time can differ by up to 9h 10m. 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 (50%), United Airlines (50%) or Lufthansa (50%) 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 £436). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £1,033). 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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