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Cheap flights from Athens to Chicago O'Hare Intl Airport from £349

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
23 Aug — 30 Aug1
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 July 2026.

Sat 7/1104:10
ATH
-
ORD
1 stop19h 20m
TAP AIR PORTUGAL
Fri 16/418:00
ORD
-
ATH
1 stop25h 40m
TAP AIR PORTUGAL
Deal found 24/7£549
Fri 21/806:45
ATH
-
ORD
1 stop16h 10m
United Airlines
Thu 27/507:20
ORD
-
ATH
1 stop22h 05m
United Airlines
Deal found 24/7£549
Thu 17/1206:40
ATH
-
ORD
1 stop14h 30m
United Airlines
Sun 10/109:00
ORD
-
ATH
2 stops19h 00m
United Airlines
Deal found 22/7£550
Tue 18/806:45
ATH
-
ORD
2 stops21h 55m
United Airlines
Sun 23/510:30
ORD
-
ATH
1 stop15h 30m
United Airlines
Deal found 24/7£551
Wed 19/806:45
ATH
-
ORD
2 stops19h 52m
United Airlines
Wed 26/807:00
ORD
-
ATH
2 stops17h 10m
United Airlines
Deal found 22/7£552
Tue 18/806:45
ATH
-
ORD
2 stops18h 16m
United Airlines
Tue 25/808:40
ORD
-
ATH
1 stop15h 30m
United Airlines
Deal found 21/7£552
Tue 18/806:45
ATH
-
ORD
2 stops21h 55m
United Airlines
Wed 9/607:20
ORD
-
ATH
1 stop18h 50m
United Airlines
Deal found 24/7£553
Tue 15/1206:40
ATH
-
ORD
2 stops19h 53m
United Airlines
Sun 10/109:00
ORD
-
ATH
2 stops19h 00m
United Airlines
Deal found 22/7£554
Sun 30/806:55
ATH
-
ORD
1 stop13h 40m
United Airlines
Tue 29/912:55
ORD
-
ATH
1 stop13h 05m
United Airlines
Deal found 20/7£555
Thu 20/812:35
ATH
-
ORD
Nonstop11h 40m
United Airlines
Tue 1/608:00
ORD
-
ATH
2 stops16h 10m
United Airlines
Deal found 24/7£555
Thu 13/812:35
ATH
-
ORD
Nonstop11h 40m
United Airlines
Wed 26/816:20
ORD
-
ATH
Nonstop10h 15m
United Airlines
Deal found 22/7£556
Thu 27/806:55
ATH
-
ORD
1 stop14h 00m
United Airlines
Wed 2/915:35
ORD
-
ATH
2 stops17h 55m
United Airlines
Deal found 21/7£557

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 July 2026.

Round-trip from

£549

One-way from

£349

Popular in

June

Cheapest in

February

Average price

£563
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 7/11-16/4
  • 2 total stops
  • 45h 00m total
  • Athens to Chicago
Search Deals
11/10
  • 11/10
  • 1 total stop
  • 26h 10m total
  • Athens to Chicago
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£23 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 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.

Fri 18/9

06:45-12:55

1 stop14h 10m

Chicago O'Hare Intl

Sat 15/5

18:04-18:40

2 stops16h 36m

£551

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 6/12

05:55-20:24

2 stops22h 29m

Chicago O'Hare Intl

Sun 13/12

10:30-13:40

2 stops19h 10m

£555

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 27/12

13:00-19:52

1 stop14h 52m

Chicago O'Hare Intl

Thu 7/1

13:55-11:00

1 stop13h 05m

£561

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 23/12

20:20-13:45

1 stop25h 25m

Chicago O'Hare Intl

Thu 7/1

21:50-01:25

1 stop19h 35m

£579

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 26/12

11:45-21:33

1 stop17h 48m

Chicago O'Hare Intl

Fri 8/1

10:40-13:40

2 stops19h 00m

£583

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 26/12

06:10-16:37

2 stops18h 27m

Chicago O'Hare Intl

Sat 9/1

16:25-01:20

1 stop24h 55m

£585

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 17/8

20:50-18:15

1 stop29h 25m

Chicago O'Hare Intl

Mon 5/7

19:05-19:05

1 stop16h 00m

£598

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 21/8

20:50-15:55

1 stop27h 05m

Chicago O'Hare Intl

Mon 5/7

17:00-17:35

1 stop16h 35m

£598

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 13/8

12:00-19:46

1 stop15h 46m

Chicago O'Hare Intl

Thu 27/8

12:40-10:00

1 stop13h 20m

£603

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 26/9

21:15-16:10

2 stops26h 55m

Chicago O'Hare Intl

Sun 27/9

19:15-10:45

2 stops31h 30m

£613

Flights are sorted by cheapest return flights first.

Deals found on 23/7

Showing 1-10 of 23 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?

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 45 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 £483). Flying from Athens to Chicago O'Hare Intl Airport in June is currently the most expensive (average of £681). 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 July 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?

Airfare is typical for this route at the moment.

Athens to Chicago O'Hare Intl Airport flights typically cost between £516 and £666 in November.
The cheapest return price found within the last 5 days was £549 on TAP AIR PORTUGAL (7 Nov–16 Apr).

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 14h 10m. United Airlines provides one of the quickest options available for as low as £551. 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 (95%), Alaska Airlines (95%) or Finnair (95%) 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 £483). Flying from Athens to Chicago O'Hare Intl Airport in June is currently the most expensive (average of £681). 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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