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Cheap flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Athens

Cheap round-trip flights

United Airlines Logo
10:35 pm - 12:25 amORD-ATH
17h 50m1 stop
United Airlines Logo
1:25 pm - 2:00 pmATH-ORD
32h 35m1 stop
$531United Airlines
Find Deal
Wed, Dec 24 - Tue, Jan 6
United Airlines Logo
1:17 pm - 11:45 amORD-ATH
14h 28m2 stops
United Airlines Logo
6:30 am - 4:35 pmATH-ORD
18h 05m2 stops
$532United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
LOT Logo
9:55 pm - 7:05 pmORD-ATH
37h 10m2 stops
LOT Logo
1:50 pm - 7:55 pmATH-ORD
38h 05m2 stops
$535LOT
Find Deal
Sun, Nov 9 - Sun, Nov 23
British Airways Logo
5:10 pm - 1:20 amORD-ATH
24h 10m1 stop
British Airways Logo
7:55 am - 11:51 pmATH-ORD
23h 56m2 stops
$536British Airways
Find Deal
Tue, Dec 30 - Sat, Feb 7
Turkish Airlines Logo
9:20 pm - 2:55 pmORD-ATH
34h 35m1 stop
Turkish Airlines Logo
3:45 pm - 11:05 amATH-ORD
26h 20m1 stop
$537Turkish Airlines
Find Deal
Thu, Mar 12 - Sat, Mar 21
United Airlines Logo
9:40 pm - 9:10 pmORD-ATH
15h 30m2 stops
United Airlines Logo
1:35 pm - 1:20 pmATH-ORD
31h 45m1 stop
$539United Airlines
Find Deal
Sun, Sep 28 - Wed, Oct 22
American Airlines Logo
5:00 pm - 11:10 amORD-ATH
10h 10mnonstop
American Airlines Logo
7:30 pm - 11:50 amATH-ORD
24h 20m1 stop
$556American Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
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 - 8:30 pmORD-ATH
16h 40m1 stop
Turkish Airlines Logo
10:00 pm - 9:40 amATH-ORD
19h 40m1 stop
$565Turkish Airlines
Find Deal
Thu, Oct 9 - Thu, Oct 23
Lufthansa Logo
3:35 pm - 3:35 pmORD-ATH
16h 00m1 stop
Lufthansa Logo
6:35 am - 7:25 pmATH-ORD
19h 50m1 stop
$583Lufthansa
Find Deal
Sun, Oct 12 - Tue, Oct 28

Turkish Airlines flights from Chicago O'Hare Intl Airport to Athens

Our best Turkish Airlines deals on Chicago O'Hare Intl Airport to Athens flight tickets
Turkish Airlines
Mar 12
ORD9:20 pmChicago O'Hare Intl
34h 35m
1 stop
ATH2:55 pmAthens Eleftherios V.
Mar 21
ATH3:45 pmAthens Eleftherios V.
26h 20m
1 stop
ORD11:05 amChicago O'Hare Intl
$537
Find similar
Turkish Airlines
Oct 9
ORD7:50 pmChicago O'Hare Intl
16h 40m
1 stop
ATH8:30 pmAthens Eleftherios V.
Oct 23
ATH10:00 pmAthens Eleftherios V.
19h 40m
1 stop
ORD9:40 amChicago O'Hare Intl
$565
Find similar
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
$591
Find similar

LOT flights from Chicago O'Hare Intl Airport to Athens

Our best LOT deals on Chicago O'Hare Intl Airport to Athens flight tickets
LOT
Nov 9
ORD9:55 pmChicago O'Hare Intl
37h 10m
2 stops
ATH7:05 pmAthens Eleftherios V.
Nov 23
ATH1:50 pmAthens Eleftherios V.
38h 05m
2 stops
ORD7:55 pmChicago O'Hare Intl
$535
Find similar
LOT
Oct 16
ORD9:40 pmChicago O'Hare Intl
31h 20m
1 stop
ATH1:00 pmAthens Eleftherios V.
Oct 22
ATH2:00 pmAthens Eleftherios V.
33h 10m
1 stop
ORD3:10 pmChicago O'Hare Intl
$543
Find similar
LOT
Oct 16
ORD5:10 pmChicago O'Hare Intl
35h 50m
2 stops
ATH1:00 pmAthens Eleftherios V.
Oct 22
ATH2:00 pmAthens Eleftherios V.
13h 40m
1 stop
ORD7:40 pmChicago O'Hare Intl
$550
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 15, 2025.
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

Wed 12/24

10:35 pm-12:25 am

1 stop17h 50m

Athens Eleftherios V.

Tue 1/6

1:25 pm-2:00 pm

1 stop32h 35m

$531

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Wed 10/15

1:17 pm-11:45 am

2 stops14h 28m

Athens Eleftherios V.

Wed 10/22

6:30 am-4:35 pm

2 stops18h 05m

$532

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 11/9

9:55 pm-7:05 pm

2 stops37h 10m

Athens Eleftherios V.

Sun 11/23

1:50 pm-7:55 pm

2 stops38h 05m

$535

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Tue 12/30

5:10 pm-1:20 am

1 stop24h 10m

Athens Eleftherios V.

Sat 2/7

7:55 am-11:51 pm

2 stops23h 56m

$536

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Thu 3/12

9:20 pm-2:55 pm

1 stop34h 35m

Athens Eleftherios V.

Sat 3/21

3:45 pm-11:05 am

1 stop26h 20m

$537

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 9/28

9:40 pm-9:10 pm

2 stops15h 30m

Athens Eleftherios V.

Wed 10/22

1:35 pm-1:20 pm

1 stop31h 45m

$539

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Mon 10/13

5:00 pm-11:10 am

Nonstop10h 10m

Athens Eleftherios V.

Mon 10/20

7:30 pm-11:50 am

1 stop24h 20m

$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-8:30 pm

1 stop16h 40m

Athens Eleftherios V.

Thu 10/23

10:00 pm-9:40 am

1 stop19h 40m

$565

ChicagoAthens

ORD - ATH

ORDATH

Chicago O'Hare Intl

Sun 10/12

3:35 pm-3:35 pm

1 stop16h 00m

Athens Eleftherios V.

Tue 10/28

6:35 am-7:25 pm

1 stop19h 50m

$583

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Athens from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Athens?

What is the cheapest month to fly to Athens?

The cheapest month to fly to Athens from Chicago O'Hare Intl Airport is in January. Flight prices, which tend to average around $615, are often lower during this time because this is during the off-season. If you are unable to visit Athens during the month of January, then departing from Chicago O'Hare Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $623.

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 O'Hare Intl to Athens Eleftherios V. flight route?

Fly from Chicago O'Hare Intl to Athens Eleftherios V. for the best Chicago O'Hare Intl - 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 O'Hare Intl Airport 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 O'Hare Intl Airport for as low as $775 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Athens Eleftherios V. flights?

There are 3 cabin classes available to choose from on Chicago O'Hare Intl 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 O'Hare Intl Airport to Athens flight prices changed over time?

As of September 2025, prices for Chicago O'Hare Intl Airport to Athens flights are approximately 13% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Athens

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Athens according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Athens (ORD to ATH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport in the past 72 hours is $513. The best round-trip flight deal from Chicago O'Hare Intl Airport to Athens found on momondo in the last 72 hours is $794.
The fastest flight from Chicago O'Hare Intl Airport to Athens takes 10h 10m
Direct flights go from Chicago O'Hare Intl Airport to Athens every day.
There is 1 airport near Athens: Athens Eleftherios V. (ATH)
Search flight deals

  • How far is Chicago O'Hare Intl to Athens Eleftherios V. by plane?

    A flight from Chicago O'Hare Intl to Athens Eleftherios V. will travel around 5435.1 mi. A reasonable flight in good conditions will take 10h 10m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Athens Eleftherios V. Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Athens Eleftherios V. Airport were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Athens Eleftherios V. Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Athens Eleftherios V. Airport.

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

    The travel and health documents you'll need for your trip to Athens Eleftherios V. Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Athens Eleftherios V. Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Chicago O'Hare Intl Airport to Athens?

  • What is the most popular airline from Chicago O'Hare Intl Airport to Athens?

Best airlines flying from Chicago O'Hare Intl Airport to Athens

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Athens with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $393Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
Air SerbiaPriceFrom $424Free CancellationRating
6.2
200 reviews
Search Air Serbia flights
DeltaPriceFrom $449Free CancellationRating
7.9
7,954 reviews
Search Delta flights
Air FrancePriceFrom $463Free CancellationRating
7.4
1,469 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
1,385 reviews
Search KLM flights
Turkish AirlinesPriceFrom $509Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
LOTPriceFrom $529Free CancellationRating
7.6
1,114 reviews
Search LOT flights
SWISSPriceFrom $581Free CancellationRating
7.5
1,730 reviews
Search SWISS flights

  • Finnair Flights From Chicago O'Hare Intl Airport to Athens

    Across 7 Finnair flights from Chicago O'Hare Intl Airport to Athens this week, the average price was $1,200, with the best Finnair deals starting from $746 round-trip. 1,323 users have rated Finnair on momondo, with an average score of 7.6/10.

  • United Airlines Flights From Chicago O'Hare Intl Airport to Athens

    $651 is the best United Airlines flight deal from Chicago O'Hare Intl Airport to Athens found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $1,148, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,929 user reviews) flies into Athens from Chicago O'Hare Intl Airport 7 times in an average week so prices can vary.

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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Athens. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Athens from Chicago with this policy.

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

Once you have performed a search for Chicago to Athens flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Chicago to Athens now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Athens and let you know when they change.

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