O'Hare Intl

$394+ 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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — ORD
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$550
(Orbitz)

One-way from

$394
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$652

Good round-trip deal

$574 or less

Good one-way deal

$516 or less
From Athens Eleftherios V. to Chicago O'Hare Intl
One-way flight from Athens Eleftherios V. to Chicago O'Hare Intl
Highest demand for flights based on searches. 6% potential increase in price ($48 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Athens Eleftherios V. to Chicago O'Hare Intl.
Price to beat on a one-way flight from Athens Eleftherios V. to Chicago O'Hare Intl.

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 June 12, 2025.

This Finnair deal was found by Cheapflights users on 6/10. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:50 pmATH - ORD
1 stop23h 00mMultiple Airlines
Thu 10/235:15 pmORD - ATH
Nonstop9h 55mMultiple Airlines
Deal found 6/10$546
This Orbitz deal was found by Cheapflights users on 6/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/268:15 pmATH - ORD
1 stop26h 00mIberia
Thu 9/44:30 pmORD - ATH
1 stop27h 00mIberia
Deal found 6/11$550
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/248:00 pmATH - ORD
1 stop27h 55mAmerican Airlines
Sat 6/284:45 pmORD - ATH
1 stop35h 20mAmerican Airlines
Deal found 6/10$551
This British Airways deal was found by Cheapflights users on 6/10. 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.
Tue 7/155:40 pmATH - ORD
1 stop26h 15mBritish Airways
Tue 7/294:50 pmORD - ATH
Nonstop10h 20mBritish Airways
Deal found 6/10$552
This Delta deal was found by Cheapflights users on 6/12. 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.
Wed 9/106:00 amATH - ORD
1 stop16h 40mDelta
Mon 9/155:45 pmORD - ATH
2 stops15h 20mDelta
Deal found 6/12$559
This lol.travel deal was found by Cheapflights users on 6/11. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2412:10 pmATH - ORD
1 stop16h 06mAir Canada
Wed 8/610:40 amORD - ATH
1 stop15h 25mAir Canada
Deal found 6/11$564
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2412:10 pmATH - ORD
1 stop16h 06mUnited Airlines
Wed 8/610:40 amORD - ATH
1 stop15h 25mUnited Airlines
Deal found 6/10$574
This Lufthansa deal was found by Cheapflights users on 6/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/106:30 amATH - ORD
1 stop16h 25mLufthansa
Mon 9/154:15 pmORD - ATH
Nonstop10h 15mLufthansa
Deal found 6/10$575
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/163:55 amATH - ORD
1 stop13h 45mTurkish Airlines
Sat 7/511:25 amORD - ATH
1 stop31h 40mTurkish Airlines
Deal found 6/11$576
This Austrian Airlines deal was found by Cheapflights users on 6/10. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:30 amATH - ORD
1 stop14h 50mAustrian Airlines
Thu 10/234:20 pmORD - ATH
1 stop12h 25mAustrian Airlines
Deal found 6/10$598
This KLM deal was found by Cheapflights users on 6/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/21:40 pmATH - ORD
1 stop32h 30mKLM
Wed 10/154:50 pmORD - ATH
1 stop11h 55mKLM
Deal found 6/10$602
This Gotogate deal was found by Cheapflights users on 6/12. 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.
Sun 6/2212:00 pmATH - ORD
1 stop33h 10mITA Airways
Sun 7/63:00 pmORD - ATH
1 stop25h 45mITA Airways
Deal found 6/12$606

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 June 12, 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.

Fri 10/17

8:50 pm-11:50 am

1 stop23h 00m

Chicago O'Hare Intl

Thu 10/23

5:15 pm-11:10 am

Nonstop9h 55m

$546

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 8/26

8:15 pm-2:15 pm

1 stop26h 00m

Chicago O'Hare Intl

Thu 9/4

4:30 pm-3:30 am

1 stop27h 00m

$550

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 6/24

8:00 pm-3:55 pm

1 stop27h 55m

Chicago O'Hare Intl

Sat 6/28

4:45 pm-12:05 pm

1 stop35h 20m

$551

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 7/15

5:40 pm-11:55 am

1 stop26h 15m

Chicago O'Hare Intl

Tue 7/29

4:50 pm-11:10 am

Nonstop10h 20m

$552

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Tue 8/26

6:00 am-4:13 pm

2 stops18h 13m

Chicago O'Hare Intl

Thu 9/4

5:10 pm-11:15 pm

1 stop22h 05m

$563

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 7/24

12:10 pm-8:16 pm

1 stop16h 06m

Chicago O'Hare Intl

Wed 8/6

10:40 am-10:05 am

1 stop15h 25m

$564

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 7/24

12:10 pm-8:16 pm

1 stop16h 06m

Chicago O'Hare Intl

Wed 8/6

10:40 am-10:05 am

1 stop15h 25m

$574

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Wed 9/10

6:30 am-2:55 pm

1 stop16h 25m

Chicago O'Hare Intl

Mon 9/15

4:15 pm-10:30 am

Nonstop10h 15m

$575

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Sat 10/18

6:30 am-1:20 pm

1 stop14h 50m

Chicago O'Hare Intl

Thu 10/23

4:20 pm-12:45 pm

1 stop12h 25m

$598

AthensChicago

ATH - ORD

ATHORD

Athens Eleftherios V.

Thu 10/2

1:40 pm-2:10 pm

1 stop32h 30m

Chicago O'Hare Intl

Wed 10/15

4:50 pm-12:45 pm

1 stop11h 55m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 27 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 June 9, 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 June 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 21% 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 June 8, 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.

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 June 12, 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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 June 12, 2025.
To help decide which airline to fly from Athens to Chicago, see what other customers have to say about Delta, LOT and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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!
8.0
Very good
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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!
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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!
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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!
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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!
8.0
Very good

Overall

8.0

Entertainment

7.9

Comfort

7.9

Food

7.3

Boarding

8.2

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), 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. 12 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.

  • 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 Iberia. Our recent data shows that you can find tickets from as low as $550 on this airline. Additional options worth looking into are American Airlines and British Airways, starting at $551 and $552 round-trip. Iberia is currently priced 18% 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 ($395), Aer Lingus ($469), and Iberia ($582).

  • 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: Finnair (91%), United Airlines (87%), Lufthansa( 87%).

  • 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 $1,580, our data shows the cheapest flight currently is $363. When looking at the most popular route, (Athens Eleftherios V. - Chicago O'Hare Intl), you can expect to pay $477 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

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Top 10 airlines flying from Athens to O'Hare Intl

Discover the top 10 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$482Average$694FlexibilityNo cancel feeOn-time75%
LOTCheapest$487Average$674FlexibilityNo cancel feeOn-time81%
British AirwaysCheapest$488Average$684FlexibilityNo cancel feeOn-time70%
DeltaCheapest$492Average$565FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$496Average$623FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$497Average$730FlexibilityNo cancel feeOn-time71%
IberiaCheapest$511Average$688FlexibilityNo cancel feeOn-time77%
ITA AirwaysCheapest$517Average$557FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$547Average$700FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$549Average$717FlexibilityNo cancel feeOn-time76%

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