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Cheap flights from Athens to Chicago O'Hare Intl Airport from £376

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
5 May — 12 May1
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 30 April 2025.

Round-trip from

£376

Popular in

August

Cheapest in

February

Average price

£460
British Airways
  • British Airways
  • 20/5-27/5
  • 1 total stop
  • 30h 25m total
  • Athens to Chicago
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Highest demand for flights based on searches. 11% potential increase in price (£49 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 30 April 2025.

Tue 20/511:05ATH - ORD
Nonstop11h 40mBritish Airways
Tue 27/522:25ORD - ATH
1 stop18h 45mBritish Airways
Deal found 29/4£376
Tue 6/511:05ATH - ORD
Nonstop11h 40mFinnair
Tue 13/516:50ORD - ATH
Nonstop10h 20mFinnair
Deal found 29/4£384
Thu 29/506:45ATH - ORD
2 stops21h 27mUnited Airlines
Sun 8/615:35ORD - ATH
1 stop34h 30mUnited Airlines
Deal found 28/4£418
Thu 29/506:00ATH - ORD
1 stop16h 10mDelta
Tue 10/607:00ORD - ATH
1 stop16h 00mDelta
Deal found 29/4£430
Wed 27/817:25ATH - ORD
1 stop28h 45mKLM
Sat 13/913:16ORD - ATH
1 stop13h 39mKLM
Deal found 28/4£437
Tue 13/512:35ATH - ORD
Nonstop11h 45mLufthansa
Wed 15/1015:35ORD - ATH
1 stop12h 10mLufthansa
Deal found 28/4£438
Sat 14/616:35ATH - ORD
1 stop27h 35mSWISS
Mon 8/913:58ORD - ATH
2 stops26h 57mSWISS
Deal found 29/4£444
Mon 28/706:55ATH - ORD
1 stop13h 15mMultiple Airlines
Wed 15/421:40ORD - ATH
1 stop17h 20mMultiple Airlines
Deal found 29/4£467
Mon 12/513:05ATH - ORD
2 stops18h 53mVirgin Atlantic
Mon 19/507:00ORD - ATH
1 stop22h 20mVirgin Atlantic
Deal found 29/4£475
Tue 8/716:15ATH - ORD
2 stops34h 25mAustrian Airlines
Thu 17/716:20ORD - ATH
1 stop24h 50mAustrian Airlines
Deal found 28/4£483
Sat 1/1104:20ATH - ORD
1 stop20h 20mAir Serbia
Sat 7/218:40ORD - ATH
1 stop12h 25mAir Serbia
Deal found 28/4£512

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 30 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.

Tue 20/5

11:05-14:45

Nonstop11h 40m

Chicago O'Hare Intl

Tue 27/5

22:25-01:10

1 stop18h 45m

£376

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 29/5

06:45-20:12

2 stops21h 27m

Chicago O'Hare Intl

Sun 8/6

15:35-10:05

1 stop34h 30m

£418

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 29/5

06:00-14:10

1 stop16h 10m

Chicago O'Hare Intl

Tue 10/6

07:00-07:00

1 stop16h 00m

£430

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 27/8

17:25-14:10

1 stop28h 45m

Chicago O'Hare Intl

Sat 13/9

13:16-10:55

1 stop13h 39m

£437

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

£438

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 14/6

16:35-12:10

1 stop27h 35m

Chicago O'Hare Intl

Mon 8/9

13:58-00:55

2 stops26h 57m

£444

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 28/7

06:55-12:10

1 stop13h 15m

Chicago O'Hare Intl

Wed 15/4

21:40-23:00

1 stop17h 20m

£467

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 12/5

13:05-23:58

2 stops18h 53m

Chicago O'Hare Intl

Mon 19/5

07:00-13:20

1 stop22h 20m

£475

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 13/5

11:05-14:45

Nonstop11h 40m

Chicago O'Hare Intl

Wed 15/10

17:15-11:10

Nonstop9h 55m

£482

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 8/7

16:15-18:40

2 stops34h 25m

Chicago O'Hare Intl

Thu 17/7

16:20-01:10

1 stop24h 50m

£483

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 21 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 25 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 30 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
7,934 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
7,934 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
1,334 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
1,275 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
780 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
1,588 reviews
Delta
8.0
Very Good
7,934 reviews
Check prices

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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 United Airlines and Delta - these airlines can fly you to your destination from £418 and £430, respectively. Users have found that British Airways is 26% 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 (£414), Finnair (£433), and British Airways (£436).

  • 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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