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Cheap flights from Chicago O'Hare Intl Airport to Athens from £283

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ATH
31 Aug — 7 Sep1
1 adult

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 26 August 2025.

Round-trip from

£417

One-way from

£283

Popular in

June

Cheapest in

February

Average price

£675
Scandinavian Airlines
  • Scandinavian Airlines
  • 26/11-3/12
  • 3 total stops
  • 49h 52m total
  • Chicago to Athens
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3/9
  • 3/9
  • 1 total stop
  • 29h 55m total
  • Chicago to Athens
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£186 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£27 potential savings vs. average return price).
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Average for round-trip flights in August 2025
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Find flight deals from O'Hare Intl to Athens

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 26 August 2025.

Wed 26/1119:20ORD - ATH
1 stop15h 20mScandinavian Airlines
Wed 3/1219:30ATH - ORD
2 stops34h 32mScandinavian Airlines
Deal found 25/8£417
Wed 15/1007:11ORD - ATH
1 stop18h 54mUnited Airlines
Tue 21/1006:40ATH - ORD
2 stops16h 15mUnited Airlines
Deal found 24/8£418
Wed 1/1019:15ORD - ATH
1 stop23h 10mBritish Airways
Mon 13/1019:30ATH - ORD
1 stop26h 20mBritish Airways
Deal found 25/8£420
Sat 18/1019:15ORD - ATH
1 stop15h 35mScandinavian Airlines
Sun 9/1119:30ATH - ORD
1 stop29h 15mScandinavian Airlines
Deal found 24/8£420
Tue 7/1008:00ORD - ATH
2 stops18h 05mUnited Airlines
Tue 14/1006:00ATH - ORD
2 stops20h 30mUnited Airlines
Deal found 24/8£422
Sun 12/1019:15ORD - ATH
2 stops34h 05mScandinavian Airlines
Fri 24/1019:40ATH - ORD
1 stop28h 30mScandinavian Airlines
Deal found 24/8£423
Mon 15/1219:20ORD - ATH
1 stop34h 00mScandinavian Airlines
Sun 11/119:30ATH - ORD
1 stop29h 15mScandinavian Airlines
Deal found 25/8£425
Wed 15/1011:25ORD - ATH
1 stop13h 30mTurkish Airlines
Fri 5/1210:10ATH - ORD
1 stop16h 15mTurkish Airlines
Deal found 24/8£425
Sun 12/1008:40ORD - ATH
1 stop17h 25mUnited Airlines
Thu 30/1006:35ATH - ORD
1 stop19h 50mUnited Airlines
Deal found 25/8£426
Wed 8/1008:00ORD - ATH
2 stops18h 05mUnited Airlines
Wed 22/1006:55ATH - ORD
1 stop17h 00mUnited Airlines
Deal found 25/8£427
Mon 15/916:15ORD - ATH
Nonstop10h 15mUnited Airlines
Tue 23/906:55ATH - ORD
1 stop14h 00mUnited Airlines
Deal found 24/8£428

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 26 August 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

Wed 26/11

19:20-18:40

1 stop15h 20m

Athens Eleftherios V.

Wed 3/12

19:30-22:02

2 stops34h 32m

£417

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 1/10

19:15-02:25

1 stop23h 10m

Athens Eleftherios V.

Mon 13/10

19:30-13:50

1 stop26h 20m

£420

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 5/10

21:15-18:20

1 stop13h 05m

Athens Eleftherios V.

Thu 16/10

19:50-13:50

1 stop26h 00m

£420

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 30/9

21:15-01:10

1 stop19h 55m

Athens Eleftherios V.

Wed 15/10

14:10-15:55

1 stop33h 45m

£420

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 1/10

19:15-02:25

1 stop23h 10m

Athens Eleftherios V.

Thu 16/10

19:50-13:50

1 stop26h 00m

£420

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 5/10

19:15-19:30

1 stop16h 15m

Athens Eleftherios V.

Mon 13/10

20:20-13:50

1 stop25h 30m

£420

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 29/9

21:15-19:10

1 stop13h 55m

Athens Eleftherios V.

Mon 13/10

19:30-13:50

1 stop26h 20m

£420

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 1/10

19:15-02:25

1 stop23h 10m

Athens Eleftherios V.

Wed 15/10

20:05-13:55

1 stop25h 50m

£420

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 1/10

19:15-02:25

1 stop23h 10m

Athens Eleftherios V.

Tue 14/10

18:30-15:55

1 stop29h 25m

£420

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 30/9

16:55-01:10

1 stop24h 15m

Athens Eleftherios V.

Mon 13/10

19:30-13:50

1 stop26h 20m

£420

Flights are sorted by cheapest return flights first.

Deals found on 24/8

Showing 1-10 of 21 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 22 August 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 25 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Athens (average of £101). Flying from Chicago O'Hare Intl Airport to Athens in August is currently the most expensive (average of £333). 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 26 August 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 7 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?

    Scandinavian Airlines and British Airways can get you from Chicago O'Hare Intl Airport to Athens in just under 15h 20m. Your travel time can differ by up to 7h 50m. 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 United Airlines (53%), Lufthansa (53%) or American Airlines (42%) 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Athens (average of £101). Flying from Chicago O'Hare Intl Airport to Athens in August is currently the most expensive (average of £333). 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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