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Cheap flights from Athens to Chicago O'Hare Intl Airport from £382

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
3 Apr — 10 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 29 March 2025.

Round-trip from

£382

Popular in

August

Cheapest in

February

Average price

£537
KLM
  • KLM
  • 8/4-17/4
  • 2 total stops
  • 30h 10m total
  • Athens to Chicago
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Highest demand for flights based on searches. 12% potential increase in price (£58 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 March 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 29 March 2025.

Sun 6/417:25ATH - ORD
1 stop28h 45mKLM
Thu 17/410:25ORD - ATH
1 stop13h 30mKLM
Deal found 28/3£382
Mon 7/406:00ATH - ORD
2 stops24h 11mDelta
Fri 18/407:10ORD - ATH
1 stop17h 10mDelta
Deal found 28/3£383
Fri 4/410:30ATH - ORD
2 stops18h 15mVirgin Atlantic
Fri 18/407:10ORD - ATH
1 stop17h 10mVirgin Atlantic
Deal found 28/3£385
Fri 4/413:40ATH - ORD
1 stop32h 30mMultiple Airlines
Tue 15/409:55ORD - ATH
1 stop17h 00mMultiple Airlines
Deal found 28/3£389
Wed 1/1019:40ATH - ORD
1 stop28h 30mScandinavian Airlines
Sat 11/1019:15ORD - ATH
1 stop15h 35mScandinavian Airlines
Deal found 28/3£394
Tue 6/511:05ATH - ORD
Nonstop11h 40mBritish Airways
Fri 30/515:58ORD - ATH
2 stops26h 02mBritish Airways
Deal found 28/3£398
Tue 27/503:55ATH - ORD
1 stop13h 45mTurkish Airlines
Wed 25/619:50ORD - ATH
1 stop23h 15mTurkish Airlines
Deal found 28/3£414
Tue 22/413:10ATH - ORD
2 stops28h 56mUnited Airlines
Thu 29/515:35ORD - ATH
1 stop34h 30mUnited Airlines
Deal found 28/3£435
Fri 4/712:35ATH - ORD
Nonstop11h 45mLufthansa
Mon 8/916:15ORD - ATH
Nonstop10h 15mLufthansa
Deal found 29/3£440
Wed 1/1006:30ATH - ORD
2 stops37h 00mAustrian Airlines
Sat 11/1017:55ORD - ATH
2 stops21h 45mAustrian Airlines
Deal found 28/3£506
Mon 2/603:25ATH - ORD
2 stops23h 12mAir France
Mon 21/717:10ORD - ATH
1 stop22h 05mAir France
Deal found 28/3£507
Thu 10/406:55ATH - ORD
1 stop13h 50mSWISS
Thu 15/518:05ORD - ATH
2 stops22h 50mSWISS
Deal found 28/3£547

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 29 March 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 8/4

06:00-14:40

1 stop16h 40m

Chicago O'Hare Intl

Thu 17/4

10:25-07:55

1 stop13h 30m

£382

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 15/4

13:00-23:16

2 stops18h 16m

Chicago O'Hare Intl

Sat 10/5

20:30-19:50

1 stop15h 20m

£383

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 29/5

06:00-14:10

1 stop16h 10m

Chicago O'Hare Intl

Sun 8/6

18:59-07:00

1 stop28h 01m

£384

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 23/4

13:05-23:59

2 stops18h 54m

Chicago O'Hare Intl

Wed 30/4

06:35-07:55

2 stops17h 20m

£385

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 6/5

11:05-14:45

Nonstop11h 40m

Chicago O'Hare Intl

Fri 30/5

15:58-02:00

2 stops26h 02m

£398

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 27/5

03:55-09:40

1 stop13h 45m

Chicago O'Hare Intl

Wed 25/6

19:50-03:05

1 stop23h 15m

£414

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 22/4

13:10-10:06

2 stops28h 56m

Chicago O'Hare Intl

Thu 29/5

15:35-10:05

1 stop34h 30m

£435

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 10/9

11:40-19:55

1 stop16h 15m

Chicago O'Hare Intl

Sat 20/9

16:15-10:30

Nonstop10h 15m

£441

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 2/6

03:25-18:37

2 stops23h 12m

Chicago O'Hare Intl

Mon 21/7

17:10-23:15

1 stop22h 05m

£507

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 5/5

11:05-14:45

Nonstop11h 40m

Chicago O'Hare Intl

Mon 19/5

16:50-11:10

Nonstop10h 20m

£526

Flights are sorted by cheapest return flights first.

Deals found on 28/3

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 21 March 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 29 March 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
7,895 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
7,895 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
1,321 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
1,267 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
1,570 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very Good
7,895 reviews
Check prices

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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 £382, KLM will fly you from Athens to Chicago O'Hare Intl Airport and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from £383 and £384, respectively. Users have found that KLM is 28% 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 (£410), British Airways (£436), and Delta (£487).

  • 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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