Which layover airport has the shortest travel time from Chicago to Athens?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 45m.

How often are flights from Chicago to Athens delayed?

Historically, on average around 27% of flights between Chicago and Athens have experienced a delay on any given week. The average delay length over the past 12 months has been 190 minutes.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airport is the most popular layover for flights between Chicago and Athens?

Istanbul (IST) was the most common stop: 52% of momondo users choosing 1-stop flights on this route connected there.

Which airline has the best punctuality record on Chicago to Athens flights?

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 27% of their flights experiencing any sort of delay.

What airlines fly to Athens?

United Airlines, Turkish Airlines and British Airways are the top three most popular airlines that fly to Athens from Chicago according to our data. United Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Athens. Keep in mind that there are 18 different airlines that fly to Athens on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Chicago to Athens?

Atlanta (ATL) has the shortest average layover time for this route: 1h 36m.

What is the most punctual flight time for Chicago to Athens flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What is the cheapest airline that flies from Chicago to Athens Eleftherios V.?

Delta is the most popular carrier operating from Chicago to Athens Eleftherios V.

Which layover airport offers the lowest fares from Chicago to Athens?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $424.

When did momondo last update prices for flights from Chicago to Athens Eleftherios V. Airport?

Prices for flights from Chicago to Athens Eleftherios V. Airport were last updated today.

How many operators does momondo search for flights from Chicago to Athens Eleftherios V. Airport?

The number of operators available for flights from Chicago to Athens Eleftherios V. Airport is 18 as of November 2025.

How old do you have to be to fly from Chicago to Athens Eleftherios V. Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Athens Eleftherios V. Airport.

What documentation or ID do you need to fly to Athens Eleftherios V. Airport?

The travel and health documents required for your trip to Athens Eleftherios V. Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Athens Eleftherios V. Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$253 Cheap Flights from Chicago to Athens in 2025/26

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Find the cheapest flights from Chicago to Athens

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 12:00 pmORD-ATH

18h 00m2 stops

6:25 am - 2:55 pmATH-ORD

16h 30m2 stops

$488United Airlines

Find Deal

Wed, Dec 3 - Tue, Dec 9

7:00 am - 9:55 amORD-ATH

18h 55m1 stop

12:50 pm - 9:34 pmATH-ORD

16h 44m1 stop

$489KLM

Find Deal

Wed, Dec 10 - Wed, Dec 24

6:50 pm - 12:35 amORD-ATH

21h 45m1 stop

5:40 pm - 4:20 pmATH-ORD

30h 40m1 stop

$490SWISS

Find Deal

Mon, Dec 1 - Mon, Dec 8

4:25 pm - 1:15 amORD-ATH

24h 50m1 stop

6:05 am - 2:20 pmATH-ORD

16h 15m1 stop

$491Delta

Find Deal

Sat, Jan 17 - Sat, Jan 31

6:15 pm - 9:55 amORD-ATH

31h 40m1 stop

6:05 am - 2:20 pmATH-ORD

16h 15m1 stop

$492Delta

Find Deal

Sun, Dec 28 - Wed, Jan 21

12:50 pm - 2:55 pmORD-ATH

19h 05m1 stop

3:55 am - 6:15 pmATH-ORD

22h 20m1 stop

$493Turkish Airlines

Find Deal

Thu, Mar 26 - Mon, Mar 30

2:42 pm - 3:05 pmORD-ATH

16h 23m2 stops

8:10 pm - 5:00 pmATH-ORD

28h 50m1 stop

$494American Airlines

Find Deal

Wed, Dec 3 - Mon, Dec 8

5:20 pm - 1:35 pmORD-ATH

12h 15m1 stop

1:45 pm - 5:45 pmATH-ORD

36h 00m2 stops

$495Delta

Find Deal

Thu, Jan 29 - Mon, Feb 23

2:30 pm - 1:15 amORD-ATH

26h 45m2 stops

6:05 am - 2:20 pmATH-ORD

16h 15m1 stop

$496Delta

Find Deal

Sat, Jan 17 - Wed, Jan 28

12:50 pm - 4:35 pmORD-ATH

19h 45m2 stops

6:15 am - 11:18 amATH-ORD

37h 03m2 stops

$497Air Canada

Find Deal

Tue, Dec 2 - Wed, Dec 10

United Airlines flights from Chicago to Athens

Our best United Airlines deals on Chicago to Athens flight tickets

United Airlines

Dec 3

ORD10:00 amChicago O'Hare Intl

18h 00m

2 stops

ATH12:00 pmAthens Eleftherios V.

Dec 9

ATH6:25 amAthens Eleftherios V.

16h 30m

2 stops

ORD2:55 pmChicago O'Hare Intl

$488

Find similar

United Airlines

Nov 25

ORD9:10 pmChicago O'Hare Intl

30h 50m

2 stops

ATH12:00 pmAthens Eleftherios V.

Dec 2

ATH2:10 pmAthens Eleftherios V.

32h 45m

2 stops

ORD2:55 pmChicago O'Hare Intl

$513

Find similar

United Airlines

Mar 8

ORD7:15 amChicago O'Hare Intl

20h 20m

1 stop

ATH10:35 amAthens Eleftherios V.

Mar 19

ATH6:25 amAthens Eleftherios V.

16h 55m

1 stop

ORD4:20 pmChicago O'Hare Intl

$527

Find similar

KLM flights from Chicago to Athens

Our best KLM deals on Chicago to Athens flight tickets

KLM

Dec 10

ORD7:00 amChicago O'Hare Intl

18h 55m

1 stop

ATH9:55 amAthens Eleftherios V.

Dec 24

ATH12:50 pmAthens Eleftherios V.

16h 44m

1 stop

ORD9:34 pmChicago O'Hare Intl

$489

Find similar

KLM

Dec 3

ORD4:25 pmChicago O'Hare Intl

16h 10m

1 stop

ATH4:35 pmAthens Eleftherios V.

Dec 7

ATH5:25 pmAthens Eleftherios V.

28h 55m

1 stop

ORD2:20 pmChicago O'Hare Intl

$491

Find similar

KLM

Nov 25

ORD1:25 pmChicago O'Hare Intl

15h 35m

2 stops

ATH1:00 pmAthens Eleftherios V.

Dec 2

ATH1:45 pmAthens Eleftherios V.

32h 35m

1 stop

ORD2:20 pmChicago O'Hare Intl

$496

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 12/3

10:00 am-12:00 pm

2 stops18h 00m

Athens Eleftherios V.

Tue 12/9

6:25 am-2:55 pm

2 stops16h 30m

$488

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 12/10

7:00 am-9:55 am

1 stop18h 55m

Athens Eleftherios V.

Wed 12/24

12:50 pm-9:34 pm

1 stop16h 44m

$489

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 12/1

6:50 pm-12:35 am

1 stop21h 45m

Athens Eleftherios V.

Mon 12/8

5:40 pm-4:20 pm

1 stop30h 40m

$490

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sat 1/17

4:25 pm-1:15 am

1 stop24h 50m

Athens Eleftherios V.

Sat 1/31

6:05 am-2:20 pm

1 stop16h 15m

$491

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 12/28

6:15 pm-9:55 am

1 stop31h 40m

Athens Eleftherios V.

Wed 1/21

6:05 am-2:20 pm

1 stop16h 15m

$492

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Thu 3/26

12:50 pm-2:55 pm

1 stop19h 05m

Athens Eleftherios V.

Mon 3/30

3:55 am-6:15 pm

1 stop22h 20m

$493

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 12/3

2:42 pm-3:05 pm

2 stops16h 23m

Athens Eleftherios V.

Mon 12/8

8:10 pm-5:00 pm

1 stop28h 50m

$494

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Thu 1/29

5:20 pm-1:35 pm

1 stop12h 15m

Athens Eleftherios V.

Mon 2/23

1:45 pm-5:45 pm

2 stops36h 00m

$495

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sat 1/17

2:30 pm-1:15 am

2 stops26h 45m

Athens Eleftherios V.

Wed 1/28

6:05 am-2:20 pm

1 stop16h 15m

$496

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 12/2

12:50 pm-4:35 pm

2 stops19h 45m

Athens Eleftherios V.

Wed 12/10

6:15 am-11:18 am

2 stops37h 03m

$497

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Athens

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Layovers

What is the cheapest month to fly to Athens?

The cheapest month to fly to Athens from Chicago is in November. Flight prices, which tend to average around $589, are often lower during this time because this is during the off-season. If you are unable to visit Athens during the month of November, then departing from Chicago during the month February is also very affordable. Most momondo users find prices during this month for around $628.

What is the cheapest day to depart on your flight to Athens?

The cheapest day to depart on your flight to Athens is on a Tuesday when prices can be found for as low as $1,178. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,332. These prices are subject to change though, so be sure to set up a Price Alert for flights to Athens.

What is the cheapest time of day to depart on your flight to Athens?

The cheapest time of day to fly to Athens is in the morning when flights can be purchased for as low as $782. Flights to Athens are more costly in the afternoon, with an average ticket price of $1,251. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Chicago to Athens Eleftherios V. flight route?

Fly from Chicago O'Hare Intl to Athens Eleftherios V. for the best Chicago - Athens Eleftherios V. flight prices

How far in advance should I book a flight to Athens?

You are more likely to see cheaper flights to Athens from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Athens for around $849 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Athens from Chicago for as low as $844 on momondo.

What cabin class options are available on Chicago to Athens Eleftherios V. flights?

There are 3 cabin classes available to choose from on Chicago to Athens Eleftherios V. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago to Athens flight prices changed over time?

As of November 2025, prices for Chicago to Athens flights are approximately 27% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Athens

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Athens according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to Athens (CHI to ATH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Athens

Best Price Found	$539
Fastest flight time	10h 05m
Direct flights	Every day
Airports in Athens	1 airport

The best one-way flight to Athens from Chicago in the past 72 hours is $539. The best round-trip flight deal from Chicago to Athens found on momondo in the last 72 hours is $720.

The fastest flight from Chicago to Athens takes 10h 05m

Direct flights go from Chicago to Athens every day.

There is 1 airport near Athens: Athens Eleftherios V. (ATH)

Search flight deals

How far is Chicago to Athens Eleftherios V. by plane?
Athens Eleftherios V. is 5429.2 mi away from Chicago. Flights usually cover this in 12h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago to Athens Eleftherios V. Airport?
Prices for flights from Chicago to Athens Eleftherios V. Airport were last updated today.
How many operators does momondo search for flights from Chicago to Athens Eleftherios V. Airport?
The number of operators available for flights from Chicago to Athens Eleftherios V. Airport is 18 as of November 2025.
How old do you have to be to fly from Chicago to Athens Eleftherios V. Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Athens Eleftherios V. Airport.
What documentation or ID do you need to fly to Athens Eleftherios V. Airport?
The travel and health documents required for your trip to Athens Eleftherios V. Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Athens Eleftherios V. Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago to Athens?
Based on momondo bookings for flights between Chicago and Athens, the leading plane model is Boeing 787 Dreamliner, making up 46.14% of the total bookings. Other popular models include Boeing 787-8 Dreamliner with 28.29%, Boeing 787-10 Dreamliner with 22.81%, and Boeing 787-9 Dreamliner with 1.27%.
What is the most popular airline from Chicago to Athens?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Athens is United Airlines (30% of total bookings). The next most popular airlines are Turkish Airlines (15%), British Airways (12%), and Iberia (10%).

Best airlines flying from Chicago to Athens

Compare and see reviews for airlines that fly from Chicago to Athens with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom $399	Free Cancellation	Rating 7.4 1,583 reviews	Search Scandinavian Airlines flights
Virgin Atlantic	PriceFrom $424	Free Cancellation	Rating 7.5 673 reviews	Search Virgin Atlantic flights
Air Serbia	PriceFrom $436	Free Cancellation	Rating 6.2 207 reviews	Search Air Serbia flights
Delta	PriceFrom $449	Free Cancellation	Rating 7.9 8,003 reviews	Search Delta flights
Air France	PriceFrom $454	Free Cancellation	Rating 7.4 1,493 reviews	Search Air France flights
Air Canada	PriceFrom $480	Free Cancellation	Rating 7.1 10,462 reviews	Search Air Canada flights
KLM	PriceFrom $491	Free Cancellation	Rating 7.7 1,411 reviews	Search KLM flights
Turkish Airlines	PriceFrom $508	Free Cancellation	Rating 7.3 4,047 reviews	Search Turkish Airlines flights
LOT	PriceFrom $520	Free Cancellation	Rating 7.5 1,136 reviews	Search LOT flights
Lufthansa	PriceFrom $558	Free Cancellation	Rating 6.8 7,576 reviews	Search Lufthansa flights

Piraeus

Glyfada

Marathon

Hydra

Aegina

Skala

Loutraki

Tolo

Corinth

Agia Marina

Porto Cheli

Galaxidi

Chalcis

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Athens?

Finding the right flight to Athens from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Athens quick and easy, saving you time and money.

Can I find flights from Chicago to Athens with flexible booking policies on momondo?

Yes. All flights to Athens from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Athens?

momondo helps you find the best flight between Chicago and Athens by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Athens right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Athens from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Athens trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Chicago to Athens from $253

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Athens departing on 1/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Chicago to Athens

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How to get the cheapest flight ticket from Chicago to Athens

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Athens?

What is the cheapest day to depart on your flight to Athens?

What is the cheapest time of day to depart on your flight to Athens?

What is the cheapest Chicago to Athens Eleftherios V. flight route?

Fly from Chicago O'Hare Intl to Athens Eleftherios V. for the best Chicago - Athens Eleftherios V. flight prices

How far in advance should I book a flight to Athens?

What cabin class options are available on Chicago to Athens Eleftherios V. flights?

There are 3 cabin classes available to choose from on Chicago to Athens Eleftherios V. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Chicago to Athens flight prices changed over time?

As of November 2025, prices for Chicago to Athens flights are approximately 27% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Chicago to Athens Eleftherios V.?

Delta is the most popular carrier operating from Chicago to Athens Eleftherios V.

What airlines fly to Athens?

How often are flights from Chicago to Athens delayed?

Historically, on average around 27% of flights between Chicago and Athens have experienced a delay on any given week. The average delay length over the past 12 months has been 190 minutes.

What is the most punctual flight time for Chicago to Athens flights?

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Chicago to Athens flights?

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 27% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Chicago and Athens?

Istanbul (IST) was the most common stop: 52% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Chicago to Athens?

Flights via Atlanta (ATL) offer the lowest average round-trip price of $424.

Which layover airport has the shortest travel time from Chicago to Athens?

Flights connecting via Reykjavik (KEF) have the shortest average one-way travel time: 10h 45m.

Which layover airport has the shortest connection time from Chicago to Athens?

Atlanta (ATL) has the shortest average layover time for this route: 1h 36m.

When to book flights from Chicago to Athens

Cheap Chicago to Athens (CHI to ATH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Athens

Best Price Found

Fastest flight time

Direct flights

Airports in Athens

How far is Chicago to Athens Eleftherios V. by plane?

When did momondo last update prices for flights from Chicago to Athens Eleftherios V. Airport?

How many operators does momondo search for flights from Chicago to Athens Eleftherios V. Airport?

How old do you have to be to fly from Chicago to Athens Eleftherios V. Airport?

What documentation or ID do you need to fly to Athens Eleftherios V. Airport?

What is the most popular plane model from Chicago to Athens?

What is the most popular airline from Chicago to Athens?

Best airlines flying from Chicago to Athens

Compare and see reviews for airlines that fly from Chicago to Athens with momondo

Traveling to a place near Athens?

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Athens?

Can I find flights from Chicago to Athens with flexible booking policies on momondo?

How can momondo help me find flights from Chicago to Athens?

I’m not ready to book a flight from Chicago to Athens right now. Can momondo alert me if prices change?

An easier way to manage your Athens trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Greece