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Cheap flights from Athens to Chicago O'Hare Intl Airport from £403

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
23 Nov — 30 Nov1
1 adult
1 adult, Economy, 0 bags

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 24 October 2025.

Mon 24/1115:45ATH - ORD
1 stop26h 20mTurkish Airlines
Sun 30/1111:50ORD - ATH
1 stop19h 05mTurkish Airlines
Deal found 22/10£419
Thu 27/1115:45ATH - ORD
1 stop26h 20mTurkish Airlines
Fri 5/1211:50ORD - ATH
1 stop19h 05mTurkish Airlines
Deal found 23/10£423
Wed 3/1206:05ATH - ORD
1 stop16h 15mDelta
Tue 9/1217:20ORD - ATH
1 stop12h 15mDelta
Deal found 23/10£428
Fri 21/1106:05ATH - ORD
1 stop16h 15mDelta
Fri 28/1113:29ORD - ATH
2 stops16h 06mDelta
Deal found 22/10£429
Sun 7/1206:05ATH - ORD
1 stop16h 15mKLM
Sun 14/1210:36ORD - ATH
1 stop15h 19mKLM
Deal found 23/10£431
Mon 10/1106:05ATH - ORD
1 stop16h 15mKLM
Tue 25/1117:08ORD - ATH
2 stops15h 27mKLM
Deal found 23/10£433
Wed 19/1106:05ATH - ORD
1 stop16h 15mKLM
Wed 17/1210:36ORD - ATH
1 stop15h 19mKLM
Deal found 24/10£435
Thu 20/1106:05ATH - ORD
2 stops25h 57mDelta
Thu 11/1207:00ORD - ATH
1 stop18h 55mDelta
Deal found 23/10£436
Sun 23/1103:25ATH - ORD
2 stops23h 27mDelta
Sun 30/1117:20ORD - ATH
1 stop12h 15mDelta
Deal found 23/10£436
Mon 10/1113:45ATH - ORD
2 stops18h 16mDelta
Tue 25/1109:51ORD - ATH
2 stops19h 09mDelta
Deal found 23/10£437

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 24 October 2025.

Round-trip from

£419

One-way from

£403

Popular in

October

Cheapest in

February

Average price

£613

Good round-trip deal

£770 or less
Turkish Airlines
  • Turkish Airlines
  • 24/11-30/11
  • 2 total stops
  • 45h 25m total
  • Athens to Chicago
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British Airways
  • British Airways
  • 3/4
  • 2 total stops
  • 28h 43m total
  • Athens to Chicago
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Athens Eleftherios V. to Chicago O'Hare Intl.
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 October 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.

Mon 24/11

15:45-10:05

1 stop26h 20m

Chicago O'Hare Intl

Sun 30/11

11:50-14:55

1 stop19h 05m

£419

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 27/11

06:05-18:52

2 stops20h 47m

Chicago O'Hare Intl

Fri 5/12

17:20-13:35

1 stop12h 15m

£433

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 3/12

06:05-21:39

2 stops23h 34m

Chicago O'Hare Intl

Tue 9/12

10:36-13:35

2 stops18h 59m

£433

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 20/11

06:05-16:46

2 stops18h 41m

Chicago O'Hare Intl

Sun 30/11

17:20-13:35

1 stop12h 15m

£433

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 10/11

06:05-14:20

1 stop16h 15m

Chicago O'Hare Intl

Tue 25/11

13:14-13:00

2 stops15h 46m

£433

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 20/11

06:05-00:02

2 stops25h 57m

Chicago O'Hare Intl

Thu 11/12

07:00-09:55

1 stop18h 55m

£436

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 13/11

12:50-22:55

1 stop18h 05m

Chicago O'Hare Intl

Thu 11/12

18:35-01:25

1 stop22h 50m

£436

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 27/11

12:50-17:53

1 stop37h 03m

Chicago O'Hare Intl

Wed 3/12

16:20-09:55

2 stops33h 35m

£436

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 14/11

03:25-17:53

2 stops22h 28m

Chicago O'Hare Intl

Sun 30/11

17:20-13:35

1 stop12h 15m

£437

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 27/11

06:05-18:52

2 stops20h 47m

Chicago O'Hare Intl

Fri 5/12

08:55-12:40

2 stops19h 45m

£437

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Showing 1-10 of 19 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 17 October 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 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 £309). Flying from Athens to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £411). 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 October 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.

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 2 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. Turkish Airlines provides one of the quickest options available for as low as £431. 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 airlines to fly from Athens to Chicago O'Hare Intl Airport one-way?

    The cheapet airlines for a one-way flight from Athens to Chicago O'Hare Intl Airport are British Airways (£451), Turkish Airlines (£521), and Delta (£606).

  • 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 United Airlines (85%), Lufthansa (85%) or American Airlines (80%) as they are the most reliable in getting you off to your destination on time.

  • 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 £770, our data shows the cheapest flight currently is £651. When looking at the most popular route, (Athens Eleftherios V. - Chicago O'Hare Intl), you can expect to pay £564 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 £309). Flying from Athens to Chicago O'Hare Intl Airport in August is currently the most expensive (average of £411). 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

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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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