Cheap flights from Chicago O'Hare Intl Airport to Athens from £281

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
14 Nov — 21 Nov1
1 adult
1 adult, Economy

Cheap 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 15 October 2025.

Round-trip from

£394

One-way from

£281

Popular in

June

Cheapest in

February

Average price

£542
United Airlines
  • United Airlines
  • 23/11-1/12
  • 3 total stops
  • 55h 49m total
  • Chicago to Athens
Air Serbia
  • Air Serbia
  • 10/1
  • 1 total stop
  • 13h 35m total
  • Chicago to Athens
Highest demand for flights based on searches. 29% potential increase in price (£198 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£29 potential savings vs. average return price).
Average for round-trip flights in October 2025

Find 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 15 October 2025.

Sun 23/1122:35ORD - ATH
1 stop17h 50mUnited Airlines
Mon 1/1213:25ATH - ORD
2 stops37h 59mUnited Airlines
Deal found 14/10£394
Wed 24/1215:20ORD - ATH
2 stops26h 20mUnited Airlines
Tue 13/106:25ATH - ORD
2 stops34h 48mUnited Airlines
Deal found 14/10£394
Sun 7/1213:23ORD - ATH
2 stops19h 12mDelta
Fri 26/1206:05ATH - ORD
1 stop16h 15mDelta
Deal found 14/10£395
Mon 15/1212:50ORD - ATH
2 stops19h 45mUnited Airlines
Tue 23/1206:25ATH - ORD
2 stops20h 25mUnited Airlines
Deal found 14/10£396
Sat 8/1111:02ORD - ATH
1 stop15h 03mUnited Airlines
Fri 21/1111:55ATH - ORD
1 stop16h 05mUnited Airlines
Deal found 14/10£397
Wed 24/1215:20ORD - ATH
2 stops26h 20mUnited Airlines
Mon 12/112:50ATH - ORD
1 stop33h 20mUnited Airlines
Deal found 14/10£398
Thu 30/1022:50ORD - ATH
1 stop12h 15mUnited Airlines
Fri 14/1111:55ATH - ORD
1 stop16h 05mUnited Airlines
Deal found 14/10£399
Thu 6/1111:02ORD - ATH
1 stop15h 03mUnited Airlines
Thu 20/1106:25ATH - ORD
2 stops16h 30mUnited Airlines
Deal found 14/10£400
Thu 6/1108:50ORD - ATH
2 stops17h 15mUnited Airlines
Wed 19/1111:55ATH - ORD
1 stop31h 23mUnited Airlines
Deal found 14/10£400
Fri 17/1017:10ORD - ATH
1 stop22h 05mDelta
Tue 4/1113:45ATH - ORD
1 stop32h 35mDelta
Deal found 14/10£402
Tue 14/1010:40ORD - ATH
1 stop15h 25mUnited Airlines
Sat 15/1106:30ATH - ORD
2 stops21h 37mUnited Airlines
Deal found 13/10£403

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 15 October 2025.
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

Thu 1/1

21:50-18:05

1 stop12h 15m

Athens Eleftherios V.

Tue 13/1

06:25-15:20

1 stop16h 55m

£402

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Thu 25/12

08:00-09:55

1 stop17h 55m

Athens Eleftherios V.

Fri 16/1

06:05-14:20

1 stop16h 15m

£403

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 5/4

10:45-08:10

1 stop13h 25m

Athens Eleftherios V.

Fri 17/4

12:35-16:05

Nonstop11h 30m

£405

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 1/4

21:40-18:35

1 stop12h 55m

Athens Eleftherios V.

Tue 14/4

12:35-16:05

Nonstop11h 30m

£407

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 6/4

21:40-18:35

1 stop12h 55m

Athens Eleftherios V.

Fri 17/4

12:35-16:05

Nonstop11h 30m

£407

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 1/4

16:45-14:00

1 stop13h 15m

Athens Eleftherios V.

Thu 9/4

06:50-14:52

2 stops16h 02m

£407

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sat 8/11

18:20-18:05

2 stops15h 45m

Athens Eleftherios V.

Fri 21/11

11:55-23:43

2 stops19h 48m

£409

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sat 4/4

17:00-08:20

1 stop31h 20m

Athens Eleftherios V.

Tue 14/4

10:30-21:36

1 stop19h 06m

£412

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sat 4/4

18:10-08:20

1 stop30h 10m

Athens Eleftherios V.

Wed 15/4

13:05-22:06

1 stop17h 01m

£412

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 31/3

10:40-14:10

2 stops19h 30m

Athens Eleftherios V.

Fri 10/4

06:00-14:20

1 stop16h 20m

£413

Flights are sorted by cheapest return flights first.

Deals found on 13/10

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 10 October 2025.

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 45 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 £362). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £554). 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 15 October 2025.

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.

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 5 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 can get you from Chicago O'Hare Intl Airport to Athens in just under 12h 15m. Your travel time can differ by up to . There are 5446 mi between Chicago O'Hare Intl Airport and Athens.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Athens?

    Consider American Airlines (53%), Alaska Airlines (53%) or Finnair (53%) 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 £362). Flying from Chicago O'Hare Intl Airport to Athens in June is currently the most expensive (average of £554). 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?

Book flights to Athens if you plan to visit one of these locations
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Aegina
Glyfada
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