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Cheap flights from Athens to Chicago O'Hare Intl Airport from £311

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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
18 Jun — 25 Jun1
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 13 June 2025.

Round-trip from

£408

One-way from

£311

Popular in

October

Cheapest in

February

Average price

£480

Good one-way deal

£596 or less
British Airways
  • British Airways
  • 12/11-19/11
  • 3 total stops
  • 35h 50m total
  • Athens to Chicago
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Air Serbia
  • Air Serbia
  • 23/6
  • 1 total stop
  • 20h 20m total
  • Athens to Chicago
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Highest demand for flights based on searches. 6% potential increase in price (£25 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 June 2025
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Price to beat on a one-way flight from Athens Eleftherios V. to Chicago O'Hare Intl.
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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 13 June 2025.

Wed 12/1107:45ATH - ORD
2 stops20h 00mBritish Airways
Wed 19/1118:45ORD - ATH
1 stop15h 50mBritish Airways
Deal found 11/6£408
Wed 10/906:00ATH - ORD
1 stop16h 40mDelta
Mon 15/917:45ORD - ATH
2 stops15h 20mDelta
Deal found 12/6£411
Thu 24/712:10ATH - ORD
1 stop16h 06mUnited Airlines
Wed 6/815:35ORD - ATH
1 stop14h 25mUnited Airlines
Deal found 11/6£422
Wed 10/906:30ATH - ORD
1 stop16h 25mLufthansa
Mon 15/916:15ORD - ATH
Nonstop10h 15mLufthansa
Deal found 11/6£423
Sun 31/822:00ATH - ORD
1 stop19h 40mTurkish Airlines
Sat 4/1011:25ORD - ATH
1 stop31h 40mTurkish Airlines
Deal found 12/6£434
Sat 18/1006:30ATH - ORD
1 stop14h 50mAustrian Airlines
Tue 21/1016:20ORD - ATH
1 stop12h 25mAustrian Airlines
Deal found 11/6£440
Tue 17/619:30ATH - ORD
1 stop25h 40mITA Airways
Sun 6/715:00ORD - ATH
1 stop12h 10mITA Airways
Deal found 11/6£484
Sun 5/1017:25ATH - ORD
1 stop29h 15mKLM
Sat 25/1013:30ORD - ATH
1 stop13h 05mKLM
Deal found 11/6£496
Sun 7/915:40ATH - ORD
1 stop33h 00mAir Serbia
Wed 10/916:30ORD - ATH
1 stop15h 05mAir Serbia
Deal found 11/6£509
Fri 20/614:00ATH - ORD
1 stop33h 55mSWISS
Wed 2/719:05ORD - ATH
2 stops21h 55mSWISS
Deal found 11/6£524
Sat 4/1006:30ATH - ORD
1 stop14h 50mMultiple Airlines
Mon 6/1012:55ORD - ATH
1 stop13h 00mMultiple Airlines
Deal found 11/6£539

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 13 June 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.

Wed 12/11

07:45-19:45

2 stops20h 00m

Chicago O'Hare Intl

Wed 19/11

18:45-18:35

1 stop15h 50m

£408

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 10/9

06:00-14:40

1 stop16h 40m

Chicago O'Hare Intl

Mon 15/9

17:45-17:05

2 stops15h 20m

£411

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 24/7

12:10-20:16

1 stop16h 06m

Chicago O'Hare Intl

Wed 6/8

15:35-14:00

1 stop14h 25m

£422

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 10/9

06:30-14:55

1 stop16h 25m

Chicago O'Hare Intl

Mon 15/9

16:15-10:30

Nonstop10h 15m

£423

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 31/8

22:00-09:40

1 stop19h 40m

Chicago O'Hare Intl

Sat 4/10

11:25-03:05

1 stop31h 40m

£434

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 18/10

06:30-13:20

1 stop14h 50m

Chicago O'Hare Intl

Mon 20/10

16:20-12:45

1 stop12h 25m

£440

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 5/10

17:25-14:40

1 stop29h 15m

Chicago O'Hare Intl

Sat 25/10

13:30-10:35

1 stop13h 05m

£496

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 7/9

15:40-16:40

1 stop33h 00m

Chicago O'Hare Intl

Wed 10/9

16:30-15:35

1 stop15h 05m

£509

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 20/7

16:35-12:10

1 stop27h 35m

Chicago O'Hare Intl

Sat 2/8

14:20-13:10

1 stop14h 50m

£533

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 4/10

06:30-13:20

1 stop14h 50m

Chicago O'Hare Intl

Mon 6/10

12:55-09:55

1 stop13h 00m

£539

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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 9 June 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 89 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.

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 13 June 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.

Weekly flight availability from Athens to Chicago O'Hare Intl Airport

Explore weekly flight availability from Athens to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

The most flights from ATH to ORD are scheduled on a Monday (7 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

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 13 June 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Austrian Airlines 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
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Currently priced at £408, 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 United Airlines - these airlines can fly you to your destination from £411 and £422, respectively. Users have found that British Airways is 18% 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 (£311), Finnair (£430), and British Airways (£433).

  • 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 Finnair (91%), United Airlines (87%) or Lufthansa (87%) 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 £596, our data shows the cheapest flight currently is £596. When looking at the most popular route, (Athens Eleftherios V. - Chicago O'Hare Intl), you can expect to pay £364 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, 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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