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Cheap flights from Athens to Chicago O'Hare Intl Airport from £275

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

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 9 January 2026.

Round-trip from

£436

One-way from

£275

Popular in

August

Cheapest in

February

Average price

£544

Good round-trip deal

£763 or less
KLM
  • KLM
  • 7/4-10/6
  • 2 total stops
  • 48h 35m total
  • Athens to Chicago
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Air Serbia
  • Air Serbia
  • 5/3
  • 1 total stop
  • 30h 25m total
  • Athens to Chicago
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Highest demand for flights based on searches. 3% potential increase in price (£15 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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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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Find flight deals from Athens to O'Hare Intl

Enter your travel dates to find the best prices.

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 9 January 2026.

Tue 7/413:35ATH - ORD
1 stop32h 55mKLM
Wed 10/616:50ORD - ATH
1 stop15h 40mKLM
Deal found 7/1£436
Tue 3/219:30ATH - ORD
1 stop29h 15mScandinavian Airlines
Wed 11/320:20ORD - ATH
1 stop15h 20mScandinavian Airlines
Deal found 7/1£437
Tue 3/310:10ATH - ORD
1 stop16h 15mTurkish Airlines
Sat 7/311:50ORD - ATH
1 stop16h 30mTurkish Airlines
Deal found 7/1£439
Fri 10/406:00ATH - ORD
2 stops21h 49mDelta
Sun 19/417:10ORD - ATH
1 stop16h 30mDelta
Deal found 7/1£440
Tue 3/310:10ATH - ORD
1 stop16h 15mTurkish Airlines
Wed 4/311:50ORD - ATH
1 stop13h 10mTurkish Airlines
Deal found 7/1£443
Thu 29/107:30ATH - ORD
2 stops18h 12mBritish Airways
Mon 2/216:30ORD - ATH
2 stops18h 25mBritish Airways
Deal found 8/1£443
Thu 15/107:30ATH - ORD
2 stops20h 20mBritish Airways
Wed 28/113:35ORD - ATH
2 stops17h 30mBritish Airways
Deal found 8/1£444
Fri 3/406:00ATH - ORD
2 stops20h 31mDelta
Mon 4/517:10ORD - ATH
1 stop12h 30mDelta
Deal found 8/1£448
Thu 11/614:00ATH - ORD
1 stop13h 50mLOT
Mon 22/617:10ORD - ATH
1 stop16h 55mLOT
Deal found 8/1£449
Tue 7/406:00ATH - ORD
2 stops20h 31mDelta
Mon 11/510:40ORD - ATH
1 stop18h 40mDelta
Deal found 8/1£451

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 9 January 2026.
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.

Tue 3/2

15:45-10:05

1 stop26h 20m

Chicago O'Hare Intl

Sat 21/2

11:50-14:55

1 stop19h 05m

£439

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 3/3

10:10-18:25

1 stop16h 15m

Chicago O'Hare Intl

Fri 6/3

11:50-09:00

1 stop13h 10m

£443

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 29/1

07:30-17:42

2 stops18h 12m

Chicago O'Hare Intl

Mon 2/2

16:30-18:55

2 stops18h 25m

£443

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 1/2

06:15-15:20

1 stop17h 05m

Chicago O'Hare Intl

Sun 7/6

16:20-10:35

Nonstop10h 15m

£468

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 28/1

06:15-13:25

1 stop15h 10m

Chicago O'Hare Intl

Sun 7/6

16:20-10:35

Nonstop10h 15m

£468

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 31/1

06:30-13:25

1 stop14h 55m

Chicago O'Hare Intl

Sun 7/6

16:20-10:35

Nonstop10h 15m

£468

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 6/2

07:45-17:42

2 stops17h 57m

Chicago O'Hare Intl

Fri 20/2

16:10-15:55

2 stops15h 45m

£470

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 2/2

06:25-14:55

2 stops16h 30m

Chicago O'Hare Intl

Sun 7/6

16:20-10:35

Nonstop10h 15m

£471

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 26/3

06:25-20:10

2 stops20h 45m

Chicago O'Hare Intl

Fri 3/4

17:55-23:05

1 stop21h 10m

£472

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 24/5

15:35-14:30

1 stop30h 55m

Chicago O'Hare Intl

Mon 7/9

16:40-03:20

1 stop26h 40m

£473

Flights are sorted by cheapest return flights first.

Deals found on 7/1

Showing 1-10 of 21 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 2 January 2026.

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 £350). Flying from Athens to Chicago O'Hare Intl Airport in December is currently the most expensive (average of £443). 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.

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 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 16h 55m. Turkish Airlines provides one of the quickest options available for as low as £468. 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 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 £763, our data shows the cheapest flight currently is £645. When looking at the most popular route, (Athens Eleftherios V. - Chicago O'Hare Intl), you can expect to pay £506 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 £350). Flying from Athens to Chicago O'Hare Intl Airport in December is currently the most expensive (average of £443). 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
Elk Grove Village

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