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

United Airlines and Delta can get you from Chicago O'Hare Intl Airport to Athens in just under 16h 10m. Your travel time can differ by up to 3h. There are 5446 mi between Chicago O'Hare Intl Airport and Athens. This flight may include one or multiple stops.

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

The most flights from ORD to ATH 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).

In terms of precipitation, rainfall in Athens ranges from 5.0 - 64.0 inches per month. December is typically the wettest month, when rainfall can reach 64.0 mm. July is typically the driest time to visit Athens when rainfall is around 5.0 mm.

If weather is an important factor for your trip to Athens, 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 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 10.0 C).

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

Consider United Airlines (50%), Lufthansa (50%) or American Airlines (33%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Athens.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Athens?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 22 days in advance, which can save you up to 44% on flights from Chicago O'Hare Intl Airport to Athens compared to booking the week you need them. Waiting 22 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £610. For sooner than that we have options available in the next 3 days from £653.

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

Our data shows that November tends to be the cheapest month to fly to Athens from Chicago O'Hare Intl Airport. Users have commonly found prices around £649 for the month, but tickets can be as low as £329. Due to multiple factors, prepare for potentially higher prices in June.

What airport do you fly into for flights to Athens from Chicago O'Hare Intl?

If you book a flight to Athens from Chicago O'Hare Intl, you will be flying to Eleftherios V., which is the city’s only airport. Athens Eleftherios V. (ATH) is located 12.3 mi from the center of Athens. There are 7 flights from Chicago O'Hare Intl to Eleftherios V. per day from 0 different airlines.

Can I find deals for flights from O'Hare Intl to Athens that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Athens flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Athens?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Athens.

Can I find deals for business class flights from O'Hare Intl to Athens?

Yes. Cheapflights offers flight deals from O'Hare Intl to Athens by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£283+ Flights from Chicago O'Hare Intl Airport to Athens

Q: How much does it cost for a return flight from Chicago O'Hare Intl Airport to Athens?

Airfare is below average for this route at the moment. Chicago O'Hare Intl Airport to Athens flights typically cost between £487 and £840 in September. The cheapest return flight price found within the last 3 days was £397 on United Airlines (28 Sept-22 Oct).

Cheap flight deals from O'Hare Intl to Athens

Round-trip from	£397
One-way from	£283
Popular in	June
Cheapest in	January
Average price	£637

United Airlines
28/9-14/10
3 total stops
36h 07m total
Chicago to Athens

Search Deals

Lufthansa
13/10
1 total stop
13h 15m total
Chicago to Athens

Search Deals

Highest demand for flights based on searches. 29% potential increase in price (£190 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£28 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from O'Hare Intl to Athens

Cheapest flights from O'Hare Intl to Athens
Explore the most affordable flight options available from O'Hare Intl to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Sun 28/921:40ORD - ATH

2 stops15h 30mUnited Airlines

Wed 22/1013:35ATH - ORD

1 stop31h 45mUnited Airlines

Deal found 14/9£397

Sat 27/910:41ORD - ATH

1 stop13h 29mUnited Airlines

Thu 16/1006:00ATH - ORD

1 stop20h 15mUnited Airlines

Deal found 14/9£398

Mon 27/1017:20ORD - ATH

1 stop12h 20mAustrian Airlines

Tue 4/1108:00ATH - ORD

2 stops18h 30mAustrian Airlines

Deal found 14/9£399

Fri 24/1010:40ORD - ATH

1 stop15h 25mUnited Airlines

Fri 31/1007:05ATH - ORD

2 stops18h 26mUnited Airlines

Deal found 14/9£400

Wed 24/1222:35ORD - ATH

2 stops19h 05mUnited Airlines

Fri 9/106:35ATH - ORD

2 stops20h 15mUnited Airlines

Deal found 14/9£400

Tue 23/916:15ORD - ATH

Nonstop10h 15mUnited Airlines

Wed 8/1012:35ATH - ORD

2 stops18h 40mUnited Airlines

Deal found 13/9£401

Tue 7/1009:00ORD - ATH

2 stops17h 05mUnited Airlines

Tue 14/1012:35ATH - ORD

2 stops18h 40mUnited Airlines

Deal found 14/9£402

Tue 25/1117:20ORD - ATH

1 stop12h 15mDelta

Mon 1/1203:25ATH - ORD

2 stops21h 18mDelta

Deal found 15/9£403

Sat 4/1018:20ORD - ATH

1 stop32h 50mUnited Airlines

Tue 14/1012:35ATH - ORD

2 stops18h 40mUnited Airlines

Deal found 13/9£403

Fri 5/1207:10ORD - ATH

2 stops27h 30mScandinavian Airlines

Wed 28/119:30ATH - ORD

2 stops34h 05mScandinavian Airlines

Deal found 13/9£404

Mon 27/1013:36ORD - ATH

2 stops15h 24mUnited Airlines

Mon 3/1106:35ATH - ORD

2 stops25h 08mUnited Airlines

Deal found 14/9£406

Best flights from O'Hare Intl to Athens
Discover carefully curated flight deals from O'Hare Intl to Athens that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2025.

Tue 14/1008:00ORD - ATH

2 stops16h 10mUnited Airlines

Fri 24/1006:55ATH - ORD

1 stop17h 00mUnited Airlines

Deal found 13/9£397

Tue 25/1117:20ORD - ATH

1 stop12h 15mDelta

Mon 1/1203:25ATH - ORD

2 stops23h 22mDelta

Deal found 14/9£403

Fri 5/1207:10ORD - ATH

2 stops27h 30mScandinavian Airlines

Mon 2/219:30ATH - ORD

2 stops34h 45mScandinavian Airlines

Deal found 13/9£404

Mon 6/1008:40ORD - ATH

1 stop17h 25mUnited Airlines

Wed 15/1012:35ATH - ORD

2 stops18h 40mUnited Airlines

Deal found 14/9£398

Mon 3/1117:20ORD - ATH

1 stop12h 15mDelta

Mon 1/1203:25ATH - ORD

2 stops23h 22mDelta

Deal found 14/9£403

Fri 7/1113:00ORD - ATH

2 stops15h 00mUnited Airlines

Fri 21/1107:05ATH - ORD

2 stops18h 52mUnited Airlines

Deal found 15/9£404

Tue 10/211:19ORD - ATH

2 stops18h 16mDelta

Mon 23/203:25ATH - ORD

2 stops21h 12mDelta

Deal found 14/9£406

Tue 11/1110:46ORD - ATH

2 stops18h 49mDelta

Mon 24/1103:25ATH - ORD

2 stops21h 03mDelta

Deal found 13/9£406

Wed 15/1010:40ORD - ATH

1 stop15h 25mUnited Airlines

Mon 27/1006:35ATH - ORD

1 stop19h 50mUnited Airlines

Deal found 13/9£412

Thu 25/907:00ORD - ATH

2 stops17h 10mUnited Airlines

Wed 15/1013:35ATH - ORD

1 stop31h 45mUnited Airlines

Deal found 13/9£412

Sun 28/908:45ORD - ATH

2 stops18h 05mUnited Airlines

Wed 15/1006:30ATH - ORD

2 stops24h 37mUnited Airlines

Deal found 13/9£413

Thu 13/1109:00ORD - ATH

2 stops17h 05mUnited Airlines

Fri 21/1114:05ATH - ORD

2 stops17h 38mUnited Airlines

Deal found 15/9£414

Direct flights from O'Hare Intl to Athens
Explore direct flight options from O'Hare Intl to Athens based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 September 2025.

Mon 6/1017:00ORD - ATH

Nonstop10h 10mFinnair

Wed 22/1011:05ATH - ORD

Nonstop11h 50mFinnair

Deal found 14/9£699

Sun 12/1017:00ORD - ATH

Nonstop10h 10mFinnair

Fri 24/1011:05ATH - ORD

Nonstop11h 50mFinnair

Deal found 15/9£784

Mon 13/1017:00ORD - ATH

Nonstop10h 10mFinnair

Fri 24/1011:05ATH - ORD

Nonstop11h 50mFinnair

Deal found 15/9£818

Thu 25/916:55ORD - ATH

Nonstop10h 15mFinnair

Mon 13/1011:05ATH - ORD

Nonstop11h 50mFinnair

Deal found 14/9£985

Tue 30/916:55ORD - ATH

Nonstop10h 15mBritish Airways

Fri 24/1011:05ATH - ORD

Nonstop11h 50mBritish Airways

Deal found 14/9£1,020

Thu 9/1017:00ORD - ATH

Nonstop10h 10mFinnair

Fri 24/1011:05ATH - ORD

Nonstop11h 50mFinnair

Deal found 15/9£1,041

Sun 12/1017:00ORD - ATH

Nonstop10h 10mBritish Airways

Sat 25/1011:05ATH - ORD

Nonstop11h 50mBritish Airways

Deal found 15/9£1,090

Tue 14/1017:00ORD - ATH

Nonstop10h 10mFinnair

Tue 21/1011:05ATH - ORD

Nonstop11h 50mFinnair

Deal found 14/9£1,097

Sun 12/1017:00ORD - ATH

Nonstop10h 10mFinnair

Sat 25/1011:05ATH - ORD

Nonstop11h 50mFinnair

Deal found 15/9£1,112

Fri 26/916:55ORD - ATH

Nonstop10h 15mBritish Airways

Wed 15/1011:05ATH - ORD

Nonstop11h 50mBritish Airways

Deal found 13/9£1,118

Tue 14/1017:00ORD - ATH

Nonstop10h 10mBritish Airways

Mon 20/1011:05ATH - ORD

Nonstop11h 50mBritish Airways

Deal found 15/9£1,123

Mon 13/1017:00ORD - ATH

Nonstop10h 10mFinnair

Sat 25/1011:05ATH - ORD

Nonstop11h 50mFinnair

Deal found 15/9£1,145

Last-minute flights from O'Hare Intl to Athens
Discover last-minute flight deals from O'Hare Intl to Athens. Data last updated 15 September 2025 and is based on user searches.

Tue 23/916:15ORD - ATH

Nonstop10h 15mUnited Airlines

Wed 8/1012:35ATH - ORD

2 stops18h 40mUnited Airlines

Deal found 14/9£401

Sat 27/910:41ORD - ATH

1 stop13h 29mUnited Airlines

Thu 16/1006:00ATH - ORD

1 stop20h 15mUnited Airlines

Deal found 14/9£398

Sun 28/921:40ORD - ATH

2 stops15h 30mUnited Airlines

Wed 22/1013:35ATH - ORD

1 stop31h 45mUnited Airlines

Deal found 14/9£397

Mon 29/915:50ORD - ATH

1 stop13h 40mUnited Airlines

Thu 23/1012:35ATH - ORD

2 stops15h 20mUnited Airlines

Deal found 14/9£404

Mon 29/921:40ORD - ATH

1 stop12h 55mUnited Airlines

Wed 15/1006:30ATH - ORD

2 stops21h 28mUnited Airlines

Deal found 13/9£407

Sat 4/1020:25ORD - ATH

1 stop30h 45mUnited Airlines

Tue 14/1012:35ATH - ORD

2 stops18h 40mUnited Airlines

Deal found 14/9£403

Tue 7/1009:00ORD - ATH

2 stops17h 05mUnited Airlines

Tue 14/1012:35ATH - ORD

2 stops18h 40mUnited Airlines

Deal found 14/9£402

Fri 24/1010:40ORD - ATH

1 stop15h 25mUnited Airlines

Fri 31/1007:05ATH - ORD

2 stops18h 26mUnited Airlines

Deal found 14/9£400

Mon 27/1017:20ORD - ATH

1 stop12h 20mAustrian Airlines

Tue 4/1108:00ATH - ORD

2 stops18h 30mAustrian Airlines

Deal found 14/9£399

Mon 27/1013:36ORD - ATH

2 stops15h 24mUnited Airlines

Mon 3/1106:35ATH - ORD

2 stops25h 08mUnited Airlines

Deal found 14/9£406

One-way flights from O'Hare Intl to Athens
Search for one-way flight options from O'Hare Intl to Athens. Find affordable one-way fares based on user searches. Data last updated 15 September 2025.

Mon 13/1016:00ORD - ATH

1 stop13h 15mLufthansa

Deal found 14/9£283

Wed 11/322:45ORD - ATH

1 stop19h 20mBritish Airways

Deal found 15/9£286

Tue 23/916:15ORD - ATH

Nonstop10h 15mUnited Airlines

Deal found 14/9£290

Mon 5/118:50ORD - ATH

1 stop13h 50mSWISS

Deal found 14/9£290

Tue 10/307:30ORD - ATH

2 stops18h 35mUnited Airlines

Deal found 14/9£293

Thu 11/1218:50ORD - ATH

1 stop21h 45mSWISS

Deal found 15/9£301

Thu 11/1216:20ORD - ATH

1 stop12h 55mLufthansa

Deal found 14/9£305

Sat 14/317:30ORD - ATH

1 stop14h 35mAir Serbia

Deal found 13/9£307

Sun 28/906:30ORD - ATH

2 stops22h 40mUnited Airlines

Deal found 13/9£308

Wed 24/1214:00ORD - ATH

2 stops27h 40mUnited Airlines

Deal found 15/9£310

Fri 12/1216:20ORD - ATH

1 stop12h 20mAustrian Airlines

Deal found 15/9£312

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Athens that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 14/10

08:00-08:10

2 stops16h 10m

Athens Eleftherios V.

Fri 24/10

06:55-15:55

1 stop17h 00m

£397

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 6/10

08:40-10:05

1 stop17h 25m

Athens Eleftherios V.

Wed 15/10

12:35-23:15

2 stops18h 40m

£398

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 25/11

17:20-13:35

1 stop12h 15m

Athens Eleftherios V.

Mon 1/12

03:25-18:47

2 stops23h 22m

£403

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 3/11

17:20-13:35

1 stop12h 15m

Athens Eleftherios V.

Mon 1/12

03:25-18:47

2 stops23h 22m

£403

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 5/12

07:10-18:40

2 stops27h 30m

Athens Eleftherios V.

Mon 2/2

19:30-22:15

2 stops34h 45m

£404

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Fri 7/11

13:00-12:00

2 stops15h 00m

Athens Eleftherios V.

Fri 21/11

07:05-17:57

2 stops18h 52m

£404

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 10/2

11:19-13:35

2 stops18h 16m

Athens Eleftherios V.

Mon 23/2

03:25-16:37

2 stops21h 12m

£406

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 11/11

10:46-13:35

2 stops18h 49m

Athens Eleftherios V.

Mon 24/11

03:25-16:28

2 stops21h 03m

£406

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 15/10

10:40-10:05

1 stop15h 25m

Athens Eleftherios V.

Mon 27/10

06:35-19:25

1 stop19h 50m

£412

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Thu 25/9

07:00-08:10

2 stops17h 10m

Athens Eleftherios V.

Wed 15/10

13:35-13:20

1 stop31h 45m

£412

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 20 results

Best time to book a flight from O'Hare Intl to Athens

Have a flexible travel schedule? Discover the best time to fly to Athens from O'Hare Intl 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 Chicago O'Hare Intl Airport to Athens

Prices

Airlines

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Athens?

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to Athens, you should look to book at least 25 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 Chicago O'Hare Intl Airport to Athens?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Athens (average of £101). Flying from Chicago O'Hare Intl Airport to Athens in August is currently the most expensive (average of £329). 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 ORD to ATH?

When flying from Chicago O'Hare Intl Airport to Athens, 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 for a return flight from Chicago O'Hare Intl Airport to Athens?

Related info for your journey

What airport do you fly into for flights to Athens from Chicago O'Hare Intl?
If you book a flight to Athens from Chicago O'Hare Intl, you will be flying to Eleftherios V., which is the city’s only airport. Athens Eleftherios V. (ATH) is located 12.3 mi from the center of Athens. There are 7 flights from Chicago O'Hare Intl to Eleftherios V. per day from 0 different airlines.
How long is the flight from Chicago O'Hare Intl Airport to Athens?
United Airlines and Delta can get you from Chicago O'Hare Intl Airport to Athens in just under 16h 10m. Your travel time can differ by up to 3h. There are 5446 mi between Chicago O'Hare Intl Airport and Athens. This flight may include one or multiple stops.
What are the most reliable airlines from Chicago O'Hare Intl Airport to Athens?
Consider United Airlines (50%), Lufthansa (50%) or American Airlines (33%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to Athens.
Can I find deals for flights from O'Hare Intl to Athens that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Athens flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Athens?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Athens.
Can I find deals for business class flights from O'Hare Intl to Athens?
Yes. Cheapflights offers flight deals from O'Hare Intl to Athens 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 Chicago O'Hare Intl Airport to Athens?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Athens (average of £101). Flying from Chicago O'Hare Intl Airport to Athens in August is currently the most expensive (average of £329). 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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When you search for this flight from O'Hare Intl to Athens, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Athens?

Millions of users choose and trust Cheapflights to book the best flight deals from O'Hare Intl to Athens for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from O'Hare Intl to Athens with no change fees?

Need flexible booking options for your flight to Athens from O'Hare Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Cheap flights from Chicago O'Hare Intl Airport to Athens from £283

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from O'Hare Intl to Athens

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from O'Hare Intl to Athens

Cheapest flights from O'Hare Intl to AthensExplore the most affordable flight options available from O'Hare Intl to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Explore the most affordable flight options available from O'Hare Intl to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Athens that are best for you.

Best time to book a flight from O'Hare Intl to Athens

Have a flexible travel schedule? Discover the best time to fly to Athens from O'Hare Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Athens

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Athens?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Athens?

What is the cheapest time of day to fly from ORD to ATH?

How much does it cost for a return flight from Chicago O'Hare Intl Airport to Athens?

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

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Athens. 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 into for flights to Athens from Chicago O'Hare Intl?

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

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

Can I find deals for flights from O'Hare Intl to Athens that include hotel bookings?

How can I find direct flights from O'Hare Intl to Athens?

Can I find deals for business class flights from O'Hare Intl to Athens?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Athens?

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Can Cheapflights notify me if prices for flights from O'Hare Intl to Athens become cheaper?

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Cheapest flights from O'Hare Intl to Athens
Explore the most affordable flight options available from O'Hare Intl to Athens. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.