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Cheap flights from Athens to Chicago O'Hare Intl Airport from £284

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
22 Apr — 29 Apr1
1 adult

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 17 April 2025.

Round-trip from

£376

One-way from

£284

Popular in

August

Cheapest in

February

Average price

£466
British Airways
  • British Airways
  • 29/5-8/6
  • 2 total stops
  • 30h 15m total
  • Athens to Chicago
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Air Serbia
  • Air Serbia
  • 17/5
  • 1 total stop
  • 24h 30m total
  • Athens to Chicago
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Highest demand for flights based on searches. 11% potential increase in price (£50 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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Find flight deals from Athens to O'Hare Intl

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 17 April 2025.

Thu 29/507:55ATH - ORD
1 stop16h 50mBritish Airways
Sun 8/622:30ORD - ATH
1 stop13h 25mBritish Airways
Deal found 16/4£376
Mon 26/506:00ATH - ORD
1 stop16h 10mDelta
Fri 20/618:27ORD - ATH
2 stops17h 08mDelta
Deal found 17/4£385
Thu 12/611:05ATH - ORD
Nonstop11h 50mFinnair
Fri 27/616:55ORD - ATH
Nonstop10h 15mFinnair
Deal found 17/4£389
Wed 23/410:30ATH - ORD
2 stops21h 29mVirgin Atlantic
Sun 4/510:37ORD - ATH
1 stop13h 43mVirgin Atlantic
Deal found 16/4£391
Mon 12/503:55ATH - ORD
1 stop13h 45mTurkish Airlines
Wed 15/1011:25ORD - ATH
1 stop13h 30mTurkish Airlines
Deal found 17/4£422
Thu 29/506:00ATH - ORD
1 stop16h 10mKLM
Tue 10/616:20ORD - ATH
1 stop25h 00mKLM
Deal found 17/4£428
Thu 1/513:10ATH - ORD
1 stop26h 52mUnited Airlines
Fri 22/808:50ORD - ATH
1 stop17h 05mUnited Airlines
Deal found 17/4£432
Wed 5/1119:30ATH - ORD
1 stop29h 15mScandinavian Airlines
Mon 17/1119:20ORD - ATH
1 stop34h 00mScandinavian Airlines
Deal found 16/4£436
Tue 13/512:35ATH - ORD
Nonstop11h 45mLufthansa
Wed 15/1015:35ORD - ATH
1 stop12h 10mLufthansa
Deal found 17/4£442
Thu 14/803:25ATH - ORD
1 stop19h 35mMultiple Airlines
Sat 30/816:20ORD - ATH
1 stop25h 00mMultiple Airlines
Deal found 17/4£444
Tue 3/606:30ATH - ORD
1 stop14h 50mAustrian Airlines
Sat 27/921:25ORD - ATH
2 stops42h 15mAustrian Airlines
Deal found 17/4£466
Fri 30/506:55ATH - ORD
1 stop13h 15mSWISS
Tue 23/919:05ORD - ATH
2 stops21h 55mSWISS
Deal found 17/4£475

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 17 April 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.

Thu 29/5

07:55-16:45

1 stop16h 50m

Chicago O'Hare Intl

Sun 8/6

22:30-19:55

1 stop13h 25m

£376

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 26/5

06:00-14:10

1 stop16h 10m

Chicago O'Hare Intl

Fri 20/6

18:27-19:35

2 stops17h 08m

£385

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 12/6

11:05-14:55

Nonstop11h 50m

Chicago O'Hare Intl

Fri 27/6

16:55-11:10

Nonstop10h 15m

£389

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 2/5

13:05-23:59

2 stops18h 54m

Chicago O'Hare Intl

Mon 12/5

13:45-13:20

2 stops15h 35m

£391

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 12/5

03:55-09:40

1 stop13h 45m

Chicago O'Hare Intl

Wed 15/10

11:25-08:55

1 stop13h 30m

£422

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 29/5

06:00-14:10

1 stop16h 10m

Chicago O'Hare Intl

Tue 10/6

16:20-01:20

1 stop25h 00m

£428

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 1/5

13:10-20:12

1 stop15h 02m

Chicago O'Hare Intl

Fri 22/8

10:00-10:05

2 stops16h 05m

£432

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 13/5

12:35-16:20

Nonstop11h 45m

Chicago O'Hare Intl

Wed 15/10

15:35-11:45

1 stop12h 10m

£442

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 14/8

03:25-15:00

1 stop19h 35m

Chicago O'Hare Intl

Sat 30/8

16:20-01:20

1 stop25h 00m

£444

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 3/6

06:30-13:20

1 stop14h 50m

Chicago O'Hare Intl

Sat 27/9

21:25-23:40

2 stops42h 15m

£466

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 25 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 11 April 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, January is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of £595). Flying from Athens to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated 17 April 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Finnair from Athens to Chicago to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • What are the cheapest airlines flying from Athens to Chicago O'Hare Intl Airport round-trip?

    Currently priced at £376, British Airways will fly you from Athens to Chicago O'Hare Intl Airport and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Finnair - these airlines can fly you to your destination from £385 and £389, respectively. Users have found that British Airways is 27% cheaper than the other options available to this destination.

  • 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 Air Serbia (£284), Finnair (£423), and British Airways (£426).

  • 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, January is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of £595). Flying from Athens to Chicago O'Hare Intl Airport in July is currently the most expensive (average of £843). 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

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