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Cheap flights from St. Louis to Athens from $399

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Athens departing on 3/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Athens

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 pm - 10:40 am
STL
-
ATH
32h 40m
2 stops
United Airlines Logo
1:10 pm - 2:42 pm
ATH
-
STL
32h 32m
2 stops
$479United Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
8:17 am - 9:05 am
STL
-
ATH
17h 48m
2 stops
United Airlines Logo
1:10 pm - 2:42 pm
ATH
-
STL
32h 32m
2 stops
$480United Airlines
Tue, Mar 10 - Tue, Mar 17
Air Canada Logo
8:17 am - 9:20 am
STL
-
ATH
18h 03m
2 stops
Air Canada Logo
1:10 pm - 3:29 pm
ATH
-
STL
33h 19m
1 stop
$492Air Canada
Tue, Mar 10 - Tue, Mar 17
Air Canada Logo
4:05 pm - 10:40 am
STL
-
ATH
35h 35m
2 stops
Air Canada Logo
1:10 pm - 3:29 pm
ATH
-
STL
33h 19m
1 stop
$496Air Canada
Tue, Mar 10 - Tue, Mar 17
Delta Logo
6:32 am - 9:35 am
STL
-
ATH
20h 03m
2 stops
Delta Logo
1:45 pm - 11:58 pm
ATH
-
STL
17h 13m
2 stops
$502Delta
Tue, Mar 17 - Tue, Mar 24
American Airlines Logo
11:09 am - 1:25 pm
STL
-
ATH
19h 16m
2 stops
American Airlines Logo
8:00 am - 11:44 pm
ATH
-
STL
22h 44m
2 stops
$506American Airlines
Sun, Mar 8 - Sun, Mar 15
United Airlines Logo
10:00 am - 1:25 pm
STL
-
ATH
20h 25m
2 stops
United Airlines Logo
10:55 am - 8:41 pm
ATH
-
STL
40h 46m
2 stops
$514United Airlines
Sun, Mar 8 - Sun, Mar 15
Lufthansa Logo
7:00 am - 9:05 am
STL
-
ATH
19h 05m
1 stop
Lufthansa Logo
1:10 pm - 3:29 pm
ATH
-
STL
33h 19m
1 stop
$538Lufthansa
Tue, Mar 10 - Tue, Mar 17
Lufthansa Logo
7:00 am - 9:05 am
STL
-
ATH
19h 05m
1 stop
Lufthansa Logo
1:10 pm - 3:29 pm
ATH
-
STL
33h 19m
1 stop
$539Lufthansa
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
12:04 pm - 9:55 am
STL
-
ATH
14h 51m
1 stop
Multiple Airlines Logo
11:50 am - 9:46 am
ATH
-
STL
28h 56m
2 stops
$594Multiple Airlines
Thu, Mar 12 - Thu, Mar 19

United Airlines flights from St. Louis to Athens

Our best United Airlines deals on St. Louis to Athens flight tickets
United Airlines
Mar 10
STL7:00 pmLambert-St Louis
32h 40m
2 stops
ATH10:40 amAthens Eleftherios V.
Mar 17
ATH1:10 pmAthens Eleftherios V.
32h 32m
2 stops
STL2:42 pmLambert-St Louis
$479
United Airlines
Mar 10
STL8:17 amLambert-St Louis
17h 48m
2 stops
ATH9:05 amAthens Eleftherios V.
Mar 17
ATH1:10 pmAthens Eleftherios V.
32h 32m
2 stops
STL2:42 pmLambert-St Louis
$480
United Airlines
Mar 8
STL10:00 amLambert-St Louis
20h 25m
2 stops
ATH1:25 pmAthens Eleftherios V.
Mar 15
ATH10:55 amAthens Eleftherios V.
40h 46m
2 stops
STL8:41 pmLambert-St Louis
$514

Air Canada flights from St. Louis to Athens

Our best Air Canada deals on St. Louis to Athens flight tickets
Air Canada
Mar 10
STL8:17 amLambert-St Louis
18h 03m
2 stops
ATH9:20 amAthens Eleftherios V.
Mar 17
ATH1:10 pmAthens Eleftherios V.
33h 19m
1 stop
STL3:29 pmLambert-St Louis
$492
Air Canada
Mar 10
STL4:05 pmLambert-St Louis
35h 35m
2 stops
ATH10:40 amAthens Eleftherios V.
Mar 17
ATH1:10 pmAthens Eleftherios V.
33h 19m
1 stop
STL3:29 pmLambert-St Louis
$496
Air Canada
May 2
STL6:49 pmLambert-St Louis
31h 21m
2 stops
ATH10:10 amAthens Eleftherios V.
May 14
ATH12:10 pmAthens Eleftherios V.
15h 55m
1 stop
STL8:05 pmLambert-St Louis
$794

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis 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 February 11, 2026.
Use the filters below to find and compare flights from St. Louis to Athens that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

7:00 pm-10:40 am

2 stops32h 40m

Athens Eleftherios V.

Tue 3/17

1:10 pm-2:42 pm

2 stops32h 32m

$479

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

8:17 am-9:05 am

2 stops17h 48m

Athens Eleftherios V.

Tue 3/17

1:10 pm-2:42 pm

2 stops32h 32m

$480

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

8:17 am-9:20 am

2 stops18h 03m

Athens Eleftherios V.

Tue 3/17

1:10 pm-3:29 pm

1 stop33h 19m

$492

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

4:05 pm-10:40 am

2 stops35h 35m

Athens Eleftherios V.

Tue 3/17

1:10 pm-3:29 pm

1 stop33h 19m

$496

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/17

6:32 am-9:35 am

2 stops20h 03m

Athens Eleftherios V.

Tue 3/24

1:45 pm-11:58 pm

2 stops17h 13m

$502

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/8

11:09 am-1:25 pm

2 stops19h 16m

Athens Eleftherios V.

Sun 3/15

8:00 am-11:44 pm

2 stops22h 44m

$506

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/8

10:00 am-1:25 pm

2 stops20h 25m

Athens Eleftherios V.

Sun 3/15

10:55 am-8:41 pm

2 stops40h 46m

$514

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

7:00 am-9:05 am

1 stop19h 05m

Athens Eleftherios V.

Tue 3/17

1:10 pm-3:29 pm

1 stop33h 19m

$538

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

7:00 am-9:05 am

1 stop19h 05m

Athens Eleftherios V.

Tue 3/17

1:10 pm-3:29 pm

1 stop33h 19m

$539

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 3/12

12:04 pm-9:55 am

1 stop14h 51m

Athens Eleftherios V.

Thu 3/19

11:50 am-9:46 am

2 stops28h 56m

$594

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 St. Louis 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 St. Louis and Athens?

What is the cheapest month to fly to Athens?

The cheapest month to fly to Athens from St. Louis is in January. Flight prices, which tend to average around $529, 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 St. Louis during the month February is also very affordable. Most momondo users find prices during this month for around $631.

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

You are more likely to see cheaper flights to Athens from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Athens for around $898 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Athens from St. Louis for as low as $733 on momondo.

Can stopping save me money on St. Louis to Athens flights?

You could potentially save up to 16% on your flight if you consider stops on a St. Louis to Athens flight.

When to book flights from St. Louis to Athens

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

Cheap St. Louis to Athens (STL to ATH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Athens

Fastest flight time

14h 00m

Direct flights

None
The fastest flight from St. Louis to Athens takes 14h 00m
There are no direct flights from St. Louis to Athens. There are no popular flight routes from St. Louis to Athens.
Search flight deals

  • How far is Lambert-St Louis to Athens Eleftherios V. by plane?

    The distance between Lambert-St Louis and Athens Eleftherios V. is about 5680.5 mi. 14h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport?

    Prices for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport refresh daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Athens Eleftherios V. Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis 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 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 airline from St. Louis to Athens?

Best airlines flying from St. Louis to Athens

Compare and see reviews for airlines that fly from St. Louis to Athens with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $483Free CancellationRating
6.8
7,779 reviews
Search Lufthansa flights
American AirlinesPriceFrom $520Free CancellationRating
7.2
11,267 reviews
Search American Airlines flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,731 reviews
Search British Airways flights
DeltaPriceFrom $558Free CancellationRating
7.9
8,179 reviews
Search Delta flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
10,708 reviews
Search Air Canada flights
United AirlinesPriceFrom $649Free CancellationRating
7.4
9,276 reviews
Search United Airlines flights
KLMPriceFrom $653Free CancellationRating
7.7
1,451 reviews
Search KLM flights

Traveling to a place near Athens?

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

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Athens?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Athens for you.

Can I find flights from St. Louis to Athens with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for St. Louis to Athens flights to just show those with flexible booking policies.

How can momondo help me find flights from St. Louis to Athens?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Athens.

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

Yes. momondo can track prices for St. Louis to Athens flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly your favorite airline to Athens

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
United Airlines
Air Canada
British Airways
Delta
Lufthansa
American Airlines
KLM