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Cheap flights from Athens to Chicago O'Hare Intl Airport from £420

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
1 Sep — 8 Sep1
1 adult

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 27 August 2025.

Round-trip from

£420

Popular in

October

Cheapest in

February

Average price

£588
Delta
  • Delta
  • 6/9-13/9
  • 3 total stops
  • 43h 18m total
  • Athens to Chicago
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Highest demand for flights based on searches. 4% potential increase in price (£18 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£9 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 Athens to O'Hare Intl

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 27 August 2025.

Sat 6/906:00ATH - ORD
2 stops18h 13mDelta
Sat 13/916:15ORD - ATH
1 stop25h 05mDelta
Deal found 27/8£420
Wed 22/1003:55ATH - ORD
1 stop13h 45mTurkish Airlines
Mon 27/1012:50ORD - ATH
1 stop16h 30mTurkish Airlines
Deal found 26/8£421
Fri 5/906:00ATH - ORD
2 stops18h 28mDelta
Sat 20/910:15ORD - ATH
2 stops18h 30mDelta
Deal found 26/8£422
Wed 22/1003:55ATH - ORD
1 stop13h 45mTurkish Airlines
Tue 28/1012:50ORD - ATH
1 stop13h 00mTurkish Airlines
Deal found 25/8£422
Mon 24/1116:55ATH - ORD
1 stop28h 55mBritish Airways
Thu 8/121:45ORD - ATH
1 stop13h 05mBritish Airways
Deal found 27/8£423
Wed 3/906:30ATH - ORD
1 stop16h 30mDelta
Thu 11/913:00ORD - ATH
2 stops15h 45mDelta
Deal found 25/8£424
Wed 3/906:30ATH - ORD
2 stops18h 15mDelta
Wed 10/916:40ORD - ATH
1 stop12h 05mDelta
Deal found 27/8£425
Mon 8/906:30ATH - ORD
2 stops17h 25mSWISS
Sun 14/919:05ORD - ATH
1 stop21h 50mSWISS
Deal found 27/8£425
Tue 2/906:55ATH - ORD
1 stop17h 00mUnited Airlines
Fri 26/922:30ORD - ATH
1 stop28h 20mUnited Airlines
Deal found 24/8£426
Wed 3/912:35ATH - ORD
Nonstop11h 45mUnited Airlines
Fri 26/922:30ORD - ATH
1 stop28h 20mUnited Airlines
Deal found 24/8£427
Fri 5/912:35ATH - ORD
Nonstop11h 45mUnited Airlines
Sun 21/916:15ORD - ATH
Nonstop10h 15mUnited Airlines
Deal found 27/8£429

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 27 August 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.

Sat 6/9

06:00-16:13

2 stops18h 13m

Chicago O'Hare Intl

Sat 13/9

16:15-01:20

1 stop25h 05m

£420

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 23/11

03:25-16:28

2 stops21h 03m

Chicago O'Hare Intl

Sun 30/11

10:46-16:35

2 stops21h 49m

£420

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 16/10

03:55-09:40

1 stop13h 45m

Chicago O'Hare Intl

Tue 21/10

19:50-20:30

1 stop16h 40m

£421

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 10/10

13:35-13:20

1 stop31h 45m

Chicago O'Hare Intl

Fri 17/10

16:00-12:45

2 stops36h 45m

£421

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 22/10

03:55-09:40

1 stop13h 45m

Chicago O'Hare Intl

Mon 27/10

12:50-12:20

1 stop16h 30m

£421

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 5/10

22:00-09:40

1 stop19h 40m

Chicago O'Hare Intl

Sat 25/10

21:20-09:00

1 stop28h 40m

£421

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 22/10

03:55-09:40

1 stop13h 45m

Chicago O'Hare Intl

Tue 28/10

21:20-20:50

1 stop16h 30m

£421

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 4/11

14:35-09:56

2 stops27h 21m

Chicago O'Hare Intl

Fri 14/11

13:25-12:40

2 stops15h 15m

£422

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 31/10

12:50-10:55

2 stops29h 05m

£439

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 1/10

17:50-13:55

1 stop28h 05m

£445

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 19 results
1
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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 22 August 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 89 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, January is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of £595). Flying from Athens to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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 ATH to ORD?

Find hourly flight availability from Athens to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 27 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Athens to Chicago O'Hare Intl Airport as you normally would.

How much does it cost for a return flight from Athens to Chicago O'Hare Intl Airport?

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 7 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 13h 45m. Delta provides one of the quickest options available for as low as £421. 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 (71%), Alaska Airlines (71%) or Finnair (71%) as they are the most reliable in getting you off to your destination on time.

  • 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, January is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of £595). Flying from Athens to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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
Rosemont

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