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O'Hare Intl

$426+ Cheap flights from Athens (ATH) to O'Hare Intl (ORD)

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
May 22 — May 291
Fri 5/22
Fri 5/29
1 adult, Economy
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Find cheap flights from Athens to O'Hare Intl with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Athens Eleftherios V. to Chicago O'Hare Intl are usually found in February or September, booked 38 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap 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 April 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:40 pm
ATH
-
ORD
1 stop25h 02m
Multiple Airlines
Sun 5/312:47 pm
ORD
-
ATH
1 stop19h 48m
Multiple Airlines
Deal found 4/18$688
This Kiwi.com deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/276:40 pm
ATH
-
ORD
1 stop33h 17m
Multiple Airlines
Fri 5/112:47 pm
ORD
-
ATH
1 stop19h 48m
Multiple Airlines
Deal found 4/18$690
This Booking.com deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/207:05 pm
ATH
-
ORD
2 stops28h 05m
LOT
Thu 10/89:50 pm
ORD
-
ATH
1 stop31h 05m
LOT
Deal found 4/17$691
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:05 am
ATH
-
ORD
1 stop16h 25m
Delta
Mon 11/305:20 pm
ORD
-
ATH
1 stop12h 15m
Delta
Deal found 4/18$692
This KLM deal was found by Cheapflights users on 4/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/75:25 pm
ATH
-
ORD
1 stop29h 05m
Multiple Airlines
Sat 12/55:20 pm
ORD
-
ATH
1 stop12h 15m
Multiple Airlines
Deal found 4/19$693
This Delta deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:00 am
ATH
-
ORD
1 stop16h 15m
Delta
Fri 5/810:30 am
ORD
-
ATH
1 stop13h 05m
Delta
Deal found 4/20$694
This deal was found by Cheapflights users on 4/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:25 am
ATH
-
ORD
1 stop17h 50m
British Airways
Wed 6/37:05 pm
ORD
-
ATH
1 stop14h 00m
British Airways
Deal found 4/17$695
This Delta deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/286:05 am
ATH
-
ORD
2 stops20h 35m
Delta
Fri 12/410:40 am
ORD
-
ATH
2 stops18h 55m
Delta
Deal found 4/21$696
This Delta deal was found by Cheapflights users on 4/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
ATH
-
ORD
2 stops20h 52m
Delta
Sat 5/95:19 pm
ORD
-
ATH
2 stops16h 21m
Delta
Deal found 4/18$697
This Gotogate deal was found by Cheapflights users on 4/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:45 am
ATH
-
ORD
1 stop21h 10m
Lufthansa
Mon 9/710:30 pm
ORD
-
ATH
1 stop14h 30m
Lufthansa
Deal found 4/21$701
This Virgin Atlantic deal was found by Cheapflights users on 4/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/21:10 pm
ATH
-
ORD
2 stops18h 49m
Virgin Atlantic
Fri 5/86:24 am
ORD
-
ATH
2 stops17h 11m
Virgin Atlantic
Deal found 4/20$702

Find 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 April 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$652

One-way from

$426
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$791

Good round-trip deal

$768 or less

Good one-way deal

$609 or less
Provider with most accurate pricing for Athens Eleftherios V.-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Athens Eleftherios V.-Chicago O'Hare Intl flights.
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From Athens Eleftherios V. to Chicago O'Hare Intl
Search Deals
One-way flight from Athens Eleftherios V. to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Athens Eleftherios V. to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Athens Eleftherios V. to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated April 22, 2026.
Use the filters below to find and compare flights from Athens to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 5/9

6:00 am-2:15 pm

1 stop16h 15m

Chicago O'Hare Intl

Mon 5/25

10:25 am-7:35 am

1 stop13h 10m

$706

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Mon 5/18

6:00 am-2:30 pm

1 stop16h 30m

Chicago O'Hare Intl

Mon 5/25

7:00 am-7:35 am

1 stop16h 35m

$707

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 5/17

6:00 am-2:15 pm

1 stop16h 15m

Chicago O'Hare Intl

Sun 5/24

6:07 am-7:50 am

1 stop17h 43m

$708

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sun 5/10

10:05 am-11:59 pm

2 stops21h 54m

Chicago O'Hare Intl

Tue 5/26

8:42 am-1:20 pm

2 stops20h 38m

$714

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 6/11

6:00 am-2:15 pm

1 stop16h 15m

Chicago O'Hare Intl

Tue 6/23

8:03 am-11:00 am

1 stop18h 57m

$718

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 9/23

6:00 am-5:41 pm

2 stops19h 41m

Chicago O'Hare Intl

Wed 9/30

7:00 am-7:35 am

1 stop16h 35m

$724

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 5/21

6:00 am-6:05 pm

2 stops20h 05m

Chicago O'Hare Intl

Wed 6/10

10:05 am-7:50 am

1 stop13h 45m

$724

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 6/6

10:05 am-5:49 pm

1 stop15h 44m

Chicago O'Hare Intl

Sat 6/13

9:48 am-11:00 am

1 stop17h 12m

$725

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 9/15

6:45 am-7:55 pm

1 stop21h 10m

Chicago O'Hare Intl

Sat 9/26

4:20 pm-10:35 am

Nonstop10h 15m

$743
Cheapest one-way

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 5/19

4:30 pm-2:30 pm

1 stop30h 00m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Athens to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Athens to O'Hare Intl in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
business-class.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Athens-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Athens-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Athens-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Athens-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Athens-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from Athens to O'Hare Intl. Price data was last updated on April 17, 2026.

The best time to book flights from Athens to Chicago O'Hare Intl Airport is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $644). Flying from Athens to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $893). 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 April 22, 2026.

When flying from Athens to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Athens to Chicago O'Hare Intl Airport?

The best insider tips for Athens to Chicago O'Hare Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Athens to Chicago O'Hare Intl Airport trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Brandon Schultz

Brandon Schultz

Expert on ATH

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

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 April 22, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andIberia from Athens to Chicago O'Hare Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,625 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,625 reviews
United Airlines
7.4
Good
9,625 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,647 reviews
United Airlines
7.4
Good
9,625 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Iberia
7.0
Good
3,189 reviews
United Airlines
7.4
Good
9,625 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Lufthansa
6.8
Okay
7,939 reviews
United Airlines
7.4
Good
9,625 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
British Airways
6.7
Okay
7,905 reviews
United Airlines
7.4
Good
9,625 reviews

Crew

8.1

Food

6.6

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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), located 12.3 mi from the city center, is the airport you fly out of when you book flights from Athens to Chicago O'Hare Intl. 8 airlines have flights from Eleftherios V. to Chicago O'Hare Intl on a regular basis. Booking flights from Athens Eleftherios V. to Chicago O'Hare Intl should not be difficult; the airport handles an average of 3 outbound flights to Chicago O'Hare Intl per day.

  • How long is the flight from Athens to Chicago O'Hare Intl Airport?

    LOT, Delta, and KLM can get you from Athens to Chicago O'Hare Intl Airport in just under 16h 15m. Your travel time can differ by up to 11h 50m. The distance from Athens to Chicago O'Hare Intl Airport is about 5446 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Athens to Chicago O'Hare Intl Airport is Delta. Our recent data shows that you can find tickets from as low as $492 on this airline. Additional options worth looking into are American Airlines and Iberia, starting at $504 and $511 round-trip. Delta is currently priced 32% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Athens to Chicago O'Hare Intl Airport one-way?

    The cheapest airlines for a one-way flight from Athens to Chicago O'Hare Intl Airport are Air Serbia ($252), Iberia ($362), and British Airways ($379).

  • What are the most reliable airlines from Athens to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Athens, check out the most reliable airlines to get you to your destination on time: Air Canada (100%), United Airlines (100%), Lufthansa( 100%).

  • 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 $1,223, our data shows the cheapest flight currently is $535. When looking at the most popular route, (Athens Eleftherios V. - Chicago O'Hare Intl), you can expect to pay $627 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 vacation 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 $644). Flying from Athens to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $893). 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

Traveling 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
Rosemont
Schaumburg
Naperville
Gurnee
Lake Geneva
Delavan
Hoffman Estates
Downers Grove
Oakbrook Terrace
Benton Harbor
Des Plaines
Oak Brook
South Holland
Libertyville
Elgin
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Lansing

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Top 8 airlines flying from Athens to O'Hare Intl

Discover the top 8 airlines that operate flights from Athens to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$492Average$707FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$504Average$709FlexibilityNo cancel feeOn-time71%
IberiaCheapest$511Average$697FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$515Average$692FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$530Average$715FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$561Average$718FlexibilityNo cancel feeOn-time69%
SWISSCheapest$562Average$602FlexibilityNo cancel feeOn-time79%
LufthansaCheapest$595Average$800FlexibilityNo cancel feeOn-time76%

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