Cheap flights from Chicago to Athens from $348

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 9/26. 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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Cheap round-trip flights

United Airlines Logo
3:35 pm - 10:05 amORD-ATH
34h 30m1 stop
United Airlines Logo
6:30 am - 7:58 pmATH-ORD
21h 28m2 stops
$530United Airlines
Find Deal
Sun, Oct 5 - Wed, Oct 15
United Airlines Logo
7:00 am - 8:10 amORD-ATH
17h 10m2 stops
United Airlines Logo
6:35 am - 9:05 pmATH-ORD
21h 30m2 stops
$531United Airlines
Find Deal
Tue, Oct 14 - Thu, Oct 30
Delta Logo
7:00 am - 1:20 pmORD-ATH
22h 20m1 stop
Delta Logo
3:25 am - 9:19 pmATH-ORD
25h 54m2 stops
$532Delta
Find Deal
Tue, Oct 14 - Mon, Nov 3
Air Canada Logo
2:00 pm - 4:40 pmORD-ATH
18h 40m2 stops
Air Canada Logo
6:25 am - 8:05 amATH-ORD
33h 40m2 stops
$533Air Canada
Find Deal
Wed, Nov 26 - Thu, Dec 4
United Airlines Logo
6:20 pm - 12:00 pmORD-ATH
33h 40m2 stops
United Airlines Logo
1:10 pm - 1:10 pmATH-ORD
32h 00m1 stop
$534United Airlines
Find Deal
Sat, Nov 22 - Mon, Dec 1
American Airlines Logo
5:00 pm - 11:10 amORD-ATH
10h 10mnonstop
American Airlines Logo
8:05 pm - 2:40 pmATH-ORD
26h 35m1 stop
$556American Airlines
Find Deal
Mon, Oct 13 - Wed, Oct 22
Lufthansa Logo
9:50 pm - 12:55 amORD-ATH
19h 05m2 stops
Lufthansa Logo
12:50 pm - 1:10 pmATH-ORD
32h 20m2 stops
$563Lufthansa
Find Deal
Tue, Nov 25 - Mon, Dec 1
Turkish Airlines Logo
7:50 pm - 3:05 amORD-ATH
23h 15m1 stop
Turkish Airlines Logo
10:00 pm - 9:40 amATH-ORD
19h 40m1 stop
$565Turkish Airlines
Find Deal
Thu, Oct 9 - Wed, Oct 22
Lufthansa Logo
9:40 pm - 9:10 pmORD-ATH
15h 30m2 stops
Lufthansa Logo
6:35 am - 9:05 pmATH-ORD
21h 30m2 stops
$570Lufthansa
Find Deal
Wed, Oct 22 - Thu, Oct 30
British Airways Logo
9:45 pm - 6:50 pmORD-ATH
13h 05m1 stop
British Airways Logo
8:00 am - 6:45 pmATH-ORD
18h 45m1 stop
$576British Airways
Find Deal
Thu, Nov 27 - Sun, Dec 7

Lufthansa flights from Chicago to Athens

Our best Lufthansa deals on Chicago to Athens flight tickets
Lufthansa
Sep 29
ORD3:35 pmChicago O'Hare Intl
16h 00m
1 stop
ATH3:35 pmAthens Eleftherios V.
Oct 13
ATH7:25 pmAthens Eleftherios V.
25h 05m
1 stop
ORD12:30 pmChicago O'Hare Intl
Lufthansa
Sep 28
ORD3:35 pmChicago O'Hare Intl
12h 10m
1 stop
ATH11:45 amAthens Eleftherios V.
Oct 31
ATH6:05 amAthens Eleftherios V.
22h 00m
1 stop
ORD9:05 pmChicago O'Hare Intl
Lufthansa
Nov 25
ORD9:50 pmChicago O'Hare Intl
19h 05m
2 stops
ATH12:55 amAthens Eleftherios V.
Dec 1
ATH12:50 pmAthens Eleftherios V.
32h 20m
2 stops
ORD1:10 pmChicago O'Hare Intl

Turkish Airlines flights from Chicago to Athens

Our best Turkish Airlines deals on Chicago to Athens flight tickets
Turkish Airlines
Oct 9
ORD7:50 pmChicago O'Hare Intl
23h 15m
1 stop
ATH3:05 amAthens Eleftherios V.
Oct 22
ATH10:00 pmAthens Eleftherios V.
19h 40m
1 stop
ORD9:40 amChicago O'Hare Intl
Turkish Airlines
Sep 25
ORD11:25 amChicago O'Hare Intl
13h 30m
1 stop
ATH8:55 amAthens Eleftherios V.
Oct 25
ATH3:40 pmAthens Eleftherios V.
27h 25m
1 stop
ORD11:05 amChicago O'Hare Intl

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Athens 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Chicago to Athens that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 10/5

3:35 pm-10:05 am

1 stop34h 30m

Athens Eleftherios V.

Wed 10/15

6:30 am-7:58 pm

2 stops21h 28m

$530

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 10/14

7:00 am-8:10 am

2 stops17h 10m

Athens Eleftherios V.

Thu 10/30

6:35 am-9:05 pm

2 stops21h 30m

$531

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 10/14

7:00 am-1:20 pm

1 stop22h 20m

Athens Eleftherios V.

Mon 11/3

3:25 am-9:19 pm

2 stops25h 54m

$532

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 11/26

2:00 pm-4:40 pm

2 stops18h 40m

Athens Eleftherios V.

Thu 12/4

6:25 am-8:05 am

2 stops33h 40m

$533

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sat 11/22

6:20 pm-12:00 pm

2 stops33h 40m

Athens Eleftherios V.

Mon 12/1

1:10 pm-1:10 pm

1 stop32h 00m

$534

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 10/13

5:00 pm-11:10 am

Nonstop10h 10m

Athens Eleftherios V.

Wed 10/22

8:05 pm-2:40 pm

1 stop26h 35m

$556

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 11/25

9:50 pm-12:55 am

2 stops19h 05m

Athens Eleftherios V.

Mon 12/1

12:50 pm-1:10 pm

2 stops32h 20m

$563

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Thu 10/9

7:50 pm-3:05 am

1 stop23h 15m

Athens Eleftherios V.

Wed 10/22

10:00 pm-9:40 am

1 stop19h 40m

$565

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 10/22

9:40 pm-9:10 pm

2 stops15h 30m

Athens Eleftherios V.

Thu 10/30

6:35 am-9:05 pm

2 stops21h 30m

$570

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Thu 11/27

9:45 pm-6:50 pm

1 stop13h 05m

Athens Eleftherios V.

Sun 12/7

8:00 am-6:45 pm

1 stop18h 45m

$576

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See travel insights to Athens from

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?

The cheapest month to fly to Athens from Chicago is in November. Flight prices, which tend to average around $617, 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 $626.

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 $1,191. 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 $1,336. 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 $1,255. 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 $851 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 $775 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 September 2025, prices for Chicago to Athens flights are approximately 11% cheaper 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

$513

Fastest flight time

10h 10m

Direct flights

Every day

Airports in Athens

1 airport
The best one-way flight to Athens from Chicago in the past 72 hours is $513. The best round-trip flight deal from Chicago to Athens found on momondo in the last 72 hours is $794.
The fastest flight from Chicago to Athens takes 10h 10m
Direct flights go from Chicago to Athens every day.
There is 1 airport near Athens: Athens Eleftherios V. (ATH)
  • 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 10h 10m, 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?

  • 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?

  • 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
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $393Free CancellationRating
7.4
1,486 reviews
Search Scandinavian Airlines flights
Air SerbiaPriceFrom $436Free CancellationRating
6.2
200 reviews
Search Air Serbia flights
DeltaPriceFrom $449Free CancellationRating
7.9
7,957 reviews
Search Delta flights
Air FrancePriceFrom $463Free CancellationRating
7.4
1,468 reviews
Search Air France flights
Air CanadaPriceFrom $480Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom $484Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
KLMPriceFrom $491Free CancellationRating
7.8
1,386 reviews
Search KLM flights
Turkish AirlinesPriceFrom $509Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
LOTPriceFrom $530Free CancellationRating
7.6
1,114 reviews
Search LOT flights
SWISSPriceFrom $572Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
  • Finnair Flights From Chicago to Athens

    Finnair flight deals from Chicago to Athens start from $746 round-trip. Over the 7 Finnair flights for this route in a normal week, average airfare is usually $1,200 round-trip - but some users have found much cheaper deals with momondo.

  • United Airlines Flights From Chicago to Athens

    The best United Airlines deal for Chicago to Athens flight tickets found on momondo in the last 72 hours was $655, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $1,153 round-trip. United Airlines operates 7 flights out of Chicago into Athens in an average week, so prices vary by time and availability. 8,924 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

Traveling to a place near Athens?

Book flights to Athens if you plan to visit one of these locations
Piraeus
Glyfada
Hydra
Marathon
Aegina
Skala
Loutraki
Tolo
Corinth
Agia Marina
Chalcis
Porto Cheli
Galaxidi

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

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1 adult
Thu 10/16
Thu 10/23

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