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Cheap flights from Athens to Chicago O'Hare Intl Airport from £337

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
24 May — 31 May1
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 24 April 2026.

Sat 2/506:00
ATH
-
ORD
1 stop16h 15m
Delta
Fri 8/510:30
ORD
-
ATH
1 stop13h 05m
Delta
Deal found 20/4£515
Sat 28/1106:05
ATH
-
ORD
2 stops20h 35m
Delta
Fri 4/1210:40
ORD
-
ATH
2 stops18h 55m
Delta
Deal found 21/4£516
Thu 1/1006:00
ATH
-
ORD
1 stop16h 15m
Delta
Thu 3/1210:40
ORD
-
ATH
2 stops18h 55m
Delta
Deal found 23/4£520
Thu 14/506:00
ATH
-
ORD
1 stop16h 15m
Delta
Mon 25/507:00
ORD
-
ATH
1 stop16h 35m
Delta
Deal found 24/4£520
Mon 21/906:00
ATH
-
ORD
1 stop16h 30m
Delta
Sat 14/1110:40
ORD
-
ATH
2 stops18h 55m
Delta
Deal found 21/4£521
Thu 14/506:00
ATH
-
ORD
1 stop16h 15m
Delta
Thu 28/510:25
ORD
-
ATH
2 stops18h 25m
Delta
Deal found 24/4£522
Sun 10/506:00
ATH
-
ORD
1 stop16h 15m
Delta
Mon 25/507:00
ORD
-
ATH
1 stop16h 35m
Delta
Deal found 21/4£524

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 24 April 2026.

Round-trip from

£515

One-way from

£337

Popular in

January

Cheapest in

February

Average price

£586
Delta
  • Delta
  • 6/5-12/5
  • 2 total stops
  • 33h 05m total
  • Athens to Chicago
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British Airways
  • British Airways
  • 25/8
  • 1 total stop
  • 29h 25m total
  • Athens to Chicago
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 24 April 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 14/5

06:00-14:15

1 stop16h 15m

Chicago O'Hare Intl

Mon 25/5

07:00-07:35

1 stop16h 35m

£520

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 15/9

17:25-14:30

1 stop29h 05m

Chicago O'Hare Intl

Wed 2/12

17:20-13:35

1 stop12h 15m

£521

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 9/5

06:00-14:15

1 stop16h 15m

Chicago O'Hare Intl

Mon 25/5

07:00-07:35

1 stop16h 35m

£523
Fastest return journey

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 28/8

06:00-14:15

1 stop16h 15m

Chicago O'Hare Intl

Tue 15/9

17:10-13:40

1 stop12h 30m

£529

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 28/8

06:00-14:15

1 stop16h 15m

Chicago O'Hare Intl

Tue 15/9

13:30-13:40

2 stops16h 10m

£529

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 10/5

10:05-23:59

2 stops21h 54m

Chicago O'Hare Intl

Tue 26/5

08:42-13:20

2 stops20h 38m

£529

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 10/6

06:00-14:30

1 stop16h 30m

Chicago O'Hare Intl

Mon 22/6

05:30-11:00

1 stop21h 30m

£531

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 11/6

06:00-14:15

1 stop16h 15m

Chicago O'Hare Intl

Tue 23/6

08:03-11:00

1 stop18h 57m

£532
Cheapest one-way

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 19/5

16:30-14:30

1 stop30h 00m

£347

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 16/10

20:50-15:55

1 stop27h 05m

£385

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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?

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 37 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 £477). Flying from Athens to Chicago O'Hare Intl Airport in January is currently the most expensive (average of £662). 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 24 April 2026.

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 3 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 15m. Delta provides one of the quickest options available for as low as £520. There are 5446 mi between Athens and Chicago O'Hare Intl Airport.

  • 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 Air Canada (100%), United Airlines (100%) or Lufthansa (100%) 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, February is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of £477). Flying from Athens to Chicago O'Hare Intl Airport in January is currently the most expensive (average of £662). 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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Yes, we can. To see specific flights from Athens to O'Hare Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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