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Cheap flights from Athens to Chicago O'Hare Intl Airport from £273

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
25 Dec — 1 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Athens to O'Hare Intl

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Cheapest flights from Athens to O'Hare Intl
Explore the most affordable flight options available from Athens to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 November 2025.

Mon 8/1215:45ATH - ORD
1 stop26h 20mTurkish Airlines
Sun 11/120:20ORD - ATH
1 stop32h 00mTurkish Airlines
Deal found 25/11£447
Sat 6/1221:40ATH - ORD
1 stop20h 25mTurkish Airlines
Tue 13/120:20ORD - ATH
1 stop16h 30mTurkish Airlines
Deal found 23/11£447
Sat 13/1220:05ATH - ORD
2 stops32h 29mBritish Airways
Tue 13/117:10ORD - ATH
1 stop24h 10mBritish Airways
Deal found 25/11£449
Sun 14/1214:00ATH - ORD
1 stop14h 05mUnited Airlines
Thu 8/111:00ORD - ATH
2 stops17h 55mUnited Airlines
Deal found 25/11£454
Sun 14/1214:00ATH - ORD
1 stop14h 05mUnited Airlines
Thu 1/122:35ORD - ATH
1 stop17h 55mUnited Airlines
Deal found 24/11£457
Fri 12/1206:05ATH - ORD
2 stops22h 41mUnited Airlines
Thu 8/111:00ORD - ATH
2 stops17h 55mUnited Airlines
Deal found 24/11£458
Thu 11/1206:25ATH - ORD
2 stops24h 32mUnited Airlines
Thu 8/111:00ORD - ATH
2 stops17h 55mUnited Airlines
Deal found 22/11£459
Mon 8/1206:05ATH - ORD
1 stop16h 15mDelta
Tue 13/107:05ORD - ATH
2 stops22h 30mDelta
Deal found 23/11£460
Fri 12/1206:05ATH - ORD
1 stop16h 15mDelta
Sun 11/113:55ORD - ATH
2 stops15h 40mDelta
Deal found 25/11£460
Thu 11/1206:25ATH - ORD
2 stops32h 15mUnited Airlines
Sun 11/116:20ORD - ATH
1 stop12h 00mUnited Airlines
Deal found 23/11£461
Thu 11/1206:25ATH - ORD
2 stops24h 32mUnited Airlines
Wed 7/110:54ORD - ATH
2 stops18h 26mUnited Airlines
Deal found 22/11£462

Cheap flight deals from Athens to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Athens (ATH) to O'Hare Intl (ORD). 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 25 November 2025.

Round-trip from

£419

One-way from

£273

Popular in

December

Cheapest in

February

Average price

£506

Good round-trip deal

£783 or less
Turkish Airlines
  • Turkish Airlines
  • 8/2-8/3
  • 2 total stops
  • 42h 50m total
  • Athens to Chicago
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24/3
  • 24/3
  • 1 total stop
  • 27h 30m total
  • Athens to Chicago
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£31 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Athens Eleftherios V. to Chicago O'Hare Intl.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Athens to O'Hare Intl 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 25 November 2025.
Use the filters below to find and compare flights from Athens to Chicago O'Hare Intl Airport that are best for you.

Fly from

Athens

Fly to

O'Hare Intl

Route

Depart

Return

Price

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 5/3

09:50-18:25

1 stop16h 35m

Chicago O'Hare Intl

Sun 8/3

12:50-20:50

1 stop25h 00m

£419

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 8/12

15:45-10:05

1 stop26h 20m

Chicago O'Hare Intl

Sun 11/1

20:20-12:20

1 stop32h 00m

£447

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 7/12

10:10-10:05

1 stop31h 55m

Chicago O'Hare Intl

Sat 17/1

11:50-08:50

1 stop13h 00m

£447

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 13/12

20:05-20:34

2 stops32h 29m

Chicago O'Hare Intl

Fri 9/1

16:33-21:55

2 stops21h 22m

£449

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 13/12

20:05-20:34

2 stops32h 29m

Chicago O'Hare Intl

Sat 10/1

13:23-15:50

2 stops18h 27m

£449

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 13/12

20:05-20:34

2 stops32h 29m

Chicago O'Hare Intl

Thu 8/1

11:44-18:50

2 stops23h 06m

£449

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 14/12

14:00-20:05

1 stop14h 05m

Chicago O'Hare Intl

Fri 9/1

11:00-12:55

2 stops17h 55m

£454

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 30/1

06:05-15:20

1 stop17h 15m

Chicago O'Hare Intl

Sun 8/2

13:00-12:00

2 stops15h 00m

£456

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 14/12

14:00-20:05

1 stop14h 05m

Chicago O'Hare Intl

Sun 11/1

13:00-13:25

2 stops16h 25m

£457

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 14/12

14:00-20:05

1 stop14h 05m

Chicago O'Hare Intl

Wed 7/1

22:35-00:25

1 stop17h 50m

£457

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 19 results
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Best time to book a flight from Athens to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Athens 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 Athens to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Athens to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a return flight from Athens to O'Hare Intl. Price data was last updated on 21 November 2025.

To ensure you get the cheapest price possible for a flight from Athens to Chicago O'Hare Intl Airport, you should look to book at least 78 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 Athens to Chicago O'Hare Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of £314). Flying from Athens to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £418). 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 Athens to O'Hare Intl. 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 from for flights from Athens to Chicago O'Hare Intl?

    Athens Eleftherios V. (ATH) is the airport you will fly out of if you book a flight from Athens to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from Eleftherios V.; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Athens airport to Chicago O'Hare Intl. It is only a 12.3 mi journey to Eleftherios V. (ATH) from Athens’s city center.

  • How long is the flight from Athens to Chicago O'Hare Intl Airport?

    A quick flight from Athens to Chicago O'Hare Intl Airport can take about 20h 25m. Turkish Airlines provides one of the quickest options available for as low as £419. There are 5446 mi between Athens and Chicago O'Hare Intl Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    No one likes to see their flight delayed. When booking a flight from Athens to Chicago O'Hare Intl Airport consider choosing American Airlines (80%), Alaska Airlines (80%) or Finnair (80%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Athens to Chicago O'Hare Intl Airport?

    While on average a flight from Athens to Chicago O'Hare Intl Airport is generally £783, our data shows the cheapest flight currently is £662. When looking at the most popular route, (Athens Eleftherios V. - Chicago O'Hare Intl), you can expect to pay £515 for that flight.

  • Can I find deals for flights from Athens to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Athens to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Athens to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Athens to O'Hare Intl.

  • Can I find deals for business class flights from Athens to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Athens to O'Hare Intl 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 Athens to Chicago O'Hare Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of £314). Flying from Athens to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £418). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Downers Grove
Elk Grove Village

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Can Cheapflights notify me if prices for flights from Athens to O'Hare Intl become cheaper?

Not ready to book yet? You can track prices for flights from Athens to O'Hare Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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