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O'Hare Intl

$535+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Athens Eleftherios V. to Chicago O'Hare Intl are usually found in February or November, booked 89 days in advance, depart on a Thursday or Friday and return on a Tuesday

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 September 11, 2025.

Round-trip from

$570
(FlightHub)

One-way from

$535
(Mytrip)

Popular in

October

Cheapest in

February

Average price

$641

Good round-trip deal

$607 or less

Good one-way deal

$750 or less
From Athens Eleftherios V. to Chicago O'Hare Intl
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One-way flight from Athens Eleftherios V. to Chicago O'Hare Intl
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Highest demand for flights based on searches. 3% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Athens Eleftherios V. to Chicago O'Hare Intl.
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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 September 11, 2025.

This Iberia deal was found by Cheapflights users on 9/11. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:45 pmATH - ORD
1 stop23h 30mIberia
Sat 10/42:40 pmORD - ATH
1 stop34h 35mIberia
Deal found 9/11$571
This British Airways deal was found by Cheapflights users on 9/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:35 pmATH - ORD
1 stop26h 05mBritish Airways
Tue 11/189:45 pmORD - ATH
1 stop13h 45mBritish Airways
Deal found 9/11$573
This British Airways deal was found by Cheapflights users on 9/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2010:10 amATH - ORD
1 stop33h 40mBritish Airways
Thu 10/25:40 pmORD - ATH
1 stop23h 15mBritish Airways
Deal found 9/11$574
This British Airways deal was found by Cheapflights users on 9/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/228:30 amATH - ORD
1 stop14h 20mBritish Airways
Wed 10/13:42 pmORD - ATH
2 stops25h 08mBritish Airways
Deal found 9/10$576
This Iberia deal was found by Cheapflights users on 9/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/242:10 pmATH - ORD
1 stop32h 05mIberia
Sun 9/284:55 pmORD - ATH
Nonstop10h 15mIberia
Deal found 9/10$577
This Iberia deal was found by Cheapflights users on 9/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/248:25 pmATH - ORD
1 stop25h 50mIberia
Sun 10/125:00 pmORD - ATH
Nonstop10h 10mIberia
Deal found 9/10$578
This British Airways deal was found by Cheapflights users on 9/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:50 pmATH - ORD
2 stops27h 23mBritish Airways
Tue 12/211:46 amORD - ATH
2 stops23h 44mBritish Airways
Deal found 9/11$579
This Iberia deal was found by Cheapflights users on 9/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2110:45 pmATH - ORD
1 stop23h 30mIberia
Mon 9/294:30 pmORD - ATH
1 stop14h 45mIberia
Deal found 9/10$580
This British Airways deal was found by Cheapflights users on 9/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:25 amATH - ORD
2 stops21h 25mBritish Airways
Wed 10/158:40 pmORD - ATH
1 stop20h 10mBritish Airways
Deal found 9/10$581
This Turkish Airlines deal was found by Cheapflights users on 9/11. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:00 pmATH - ORD
1 stop19h 40mTurkish Airlines
Thu 11/278:20 pmORD - ATH
1 stop34h 35mTurkish Airlines
Deal found 9/11$582
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/198:05 amATH - ORD
2 stops18h 45mAmerican Airlines
Wed 10/110:35 pmORD - ATH
1 stop19h 50mAmerican Airlines
Deal found 9/11$583
This British Airways deal was found by Cheapflights users on 9/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2411:05 amATH - ORD
Nonstop11h 35mBritish Airways
Mon 10/139:12 pmORD - ATH
1 stop28h 03mBritish Airways
Deal found 9/11$586

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 September 11, 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.

Mon 9/22

7:45 am-2:50 pm

1 stop15h 05m

Chicago O'Hare Intl

Thu 10/2

5:40 pm-12:55 am

1 stop23h 15m

$574

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 10/29

9:40 pm-11:05 am

1 stop20h 25m

Chicago O'Hare Intl

Sun 11/30

11:50 am-12:20 pm

1 stop16h 30m

$594

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 12/18

6:25 am-11:44 pm

2 stops25h 19m

Chicago O'Hare Intl

Thu 1/1

9:50 pm-6:05 pm

1 stop12h 15m

$595

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Fri 3/6

6:05 am-8:32 pm

2 stops22h 27m

Chicago O'Hare Intl

Wed 3/25

11:35 pm-12:25 am

1 stop17h 50m

$596

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 10/14

6:30 am-1:20 pm

1 stop14h 50m

Chicago O'Hare Intl

Wed 4/29

1:12 pm-11:40 pm

2 stops26h 28m

$605

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 12/17

6:35 am-8:05 pm

2 stops21h 30m

Chicago O'Hare Intl

Wed 12/31

10:35 pm-12:25 am

1 stop17h 50m

$614

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 10/8

6:30 am-4:35 pm

2 stops18h 05m

Chicago O'Hare Intl

Tue 5/12

2:00 pm-1:25 pm

2 stops15h 25m

$617

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 12/18

2:10 pm-8:05 pm

1 stop13h 55m

Chicago O'Hare Intl

Sun 12/28

4:20 pm-12:20 pm

1 stop12h 00m

$631

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 10/14

6:30 am-1:20 pm

1 stop14h 50m

Chicago O'Hare Intl

Mon 4/27

4:15 pm-10:30 am

Nonstop10h 15m

$635

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 10/14

6:00 am-12:30 pm

1 stop14h 30m

Chicago O'Hare Intl

Tue 5/5

7:30 am-8:10 am

2 stops16h 40m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 22 results
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The best insider tips for Athens to Chicago O'Hare Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Athens to Chicago O'Hare Intl Airport trip
Airports
ATH

Security lines at ATH are well managed, with typical wait times between 10-20 minutes, though peak periods can extend waits over an hour.

Read more about ATHby Brandon Schultz
ORD

At ORD, immigration lines can be long for international arrivals. Global Entry lanes are always open, but Mobile Passport lanes may not be.

Read more about ORDby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

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

Brandon Schultz

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

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 August 29, 2025.

The best time to book flights from Athens to Chicago O'Hare Intl Airport is 89 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, August is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of $245). Flying from Athens to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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 September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 17% on flights from Athens to Chicago O'Hare Intl Airport by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Athens to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Athens to O'Hare Intl. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Athens to Chicago O'Hare Intl Airport flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and Iberia 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
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Iberia
7.0
Good
2,929 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
7,409 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,361 reviews
United Airlines
7.4
Good
8,937 reviews

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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. 9 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 7 outbound flights to Chicago O'Hare Intl per day.

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

    British Airways, Turkish Airlines, and United Airlines can get you from Athens to Chicago O'Hare Intl Airport in just under 15h 25m. Your travel time can differ by up to 5h. 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 Turkish Airlines. Our recent data shows that you can find tickets from as low as $489 on this airline. Additional options worth looking into are British Airways and Delta, starting at $490 and $492 round-trip. Turkish Airlines is currently priced 27% 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 British Airways ($588), Finnair ($590), and Iberia ($596).

  • 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: American Airlines (79%), Alaska Airlines (79%), Finnair( 79%).

  • 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 $1,010, our data shows the cheapest flight currently is $548. When looking at the most popular route, (Athens Eleftherios V. - Chicago O'Hare Intl), you can expect to pay $501 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, August is the cheapest month in which you can book a flight from Athens to Chicago O'Hare Intl Airport (average of $245). Flying from Athens to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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
Schaumburg
Rosemont
Skokie
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Beloit
Racine
Rockford
Orland Park
Oak Brook
Downers Grove
Naperville
Elk Grove Village
Evanston
Merrillville
Bridgeview
Warrenville

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Athens to O'Hare Intl

Discover the top 9 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$489Average$618FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$490Average$673FlexibilityNo cancel feeOn-time70%
DeltaCheapest$492Average$561FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$497Average$633FlexibilityNo cancel feeOn-time71%
IberiaCheapest$511Average$699FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$546Average$681FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$549Average$736FlexibilityNo cancel feeOn-time76%
FinnairCheapest$561Average$824FlexibilityNo cancel feeOn-time76%
SWISSCheapest$562Average$788FlexibilityNo cancel feeOn-time79%

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