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Cheap flights from Athens to Chicago O'Hare Intl Airport from £277

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
9 Apr — 16 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap 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 10 March 2026.

Fri 11/906:45
ATH
-
ORD
1 stop14h 10m
Lufthansa
Wed 16/922:30
ORD
-
ATH
1 stop14h 30m
Lufthansa
Deal found 8/3£459
Thu 16/406:35
ATH
-
ORD
1 stop14h 20m
United Airlines
Thu 30/416:10
ORD
-
ATH
Nonstop10h 25m
United Airlines
Deal found 10/3£466
Thu 23/419:30
ATH
-
ORD
1 stop28h 40m
Scandinavian Airlines
Mon 27/419:15
ORD
-
ATH
1 stop15h 25m
Scandinavian Airlines
Deal found 5/3£466
Wed 25/314:20
ATH
-
ORD
1 stop13h 45m
United Airlines
Sun 12/419:05
ORD
-
ATH
1 stop34h 05m
United Airlines
Deal found 5/3£469
Fri 3/411:45
ATH
-
ORD
1 stop16h 10m
United Airlines
Fri 29/511:05
ORD
-
ATH
1 stop15h 05m
United Airlines
Deal found 9/3£470
Thu 2/406:35
ATH
-
ORD
1 stop21h 20m
United Airlines
Thu 9/406:00
ORD
-
ATH
2 stops23h 25m
United Airlines
Deal found 9/3£471
Sun 26/406:45
ATH
-
ORD
2 stops33h 00m
United Airlines
Sun 3/522:02
ORD
-
ATH
1 stop27h 58m
United Airlines
Deal found 9/3£472
Tue 29/906:45
ATH
-
ORD
1 stop14h 10m
United Airlines
Sun 4/1013:12
ORD
-
ATH
1 stop12h 48m
United Airlines
Deal found 5/3£472
Wed 8/411:00
ATH
-
ORD
1 stop16h 00m
British Airways
Sat 25/417:00
ORD
-
ATH
1 stop14h 55m
British Airways
Deal found 9/3£473
Mon 30/306:45
ATH
-
ORD
2 stops21h 40m
United Airlines
Sun 31/508:45
ORD
-
ATH
1 stop20h 40m
United Airlines
Deal found 6/3£474

Find 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 10 March 2026.

Round-trip from

£466

One-way from

£277

Popular in

January

Cheapest in

May

Average price

£529
United Airlines
  • United Airlines
  • 16/4-30/4
  • 2 total stops
  • 33h 30m total
  • Athens to Chicago
Search Deals
Finnair
  • Finnair
  • 11/7
  • Nonstop
  • 11h 40m 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).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
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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 10 March 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

Fly to

Route

Depart

Return

Price

Cheapest return flight

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 23/4

06:35-19:55

1 stop21h 20m

Chicago O'Hare Intl

Mon 27/4

16:10-10:35

Nonstop10h 25m

£466

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 19/4

06:45-19:55

1 stop21h 10m

Chicago O'Hare Intl

Mon 4/5

12:55-10:00

1 stop13h 05m

£468

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 31/8

06:45-12:55

1 stop14h 10m

Chicago O'Hare Intl

Sun 6/9

16:20-10:35

Nonstop10h 15m

£472
Fastest return journey

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 15/4

12:35-16:05

Nonstop11h 30m

Chicago O'Hare Intl

Thu 30/4

16:10-10:35

Nonstop10h 25m

£474

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 9/4

06:00-14:15

1 stop16h 15m

Chicago O'Hare Intl

Wed 22/4

10:15-07:35

1 stop13h 20m

£475

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 15/4

10:05-23:59

2 stops21h 54m

Chicago O'Hare Intl

Thu 30/4

06:25-07:35

2 stops17h 10m

£478

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 21/4

06:30-13:20

1 stop14h 50m

Chicago O'Hare Intl

Thu 7/5

16:20-23:40

1 stop23h 20m

£481

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 19/4

09:45-18:35

1 stop16h 50m

Chicago O'Hare Intl

Mon 4/5

11:08-12:50

2 stops17h 42m

£481

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 14/5

12:35-16:05

Nonstop11h 30m

Chicago O'Hare Intl

Mon 25/5

11:05-10:10

1 stop15h 05m

£483
Cheapest one-way

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 2/7

06:55-14:25

1 stop15h 30m

£288

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 17 resultsSorted by cheapest first
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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 6 March 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, April is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of £370). Flying from Athens to Chicago O'Hare Intl Airport in December is currently the most expensive (average of £445). 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 21h 20m. United Airlines provides one of the quickest options available for as low as £466. 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.

  • 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, April is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of £370). Flying from Athens to Chicago O'Hare Intl Airport in December is currently the most expensive (average of £445). 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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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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