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Cheap flights from St. Louis to Athens from $343

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 12/9. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Athens

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:33 am - 11:00 amSTL  Lambert-St Louis-ATH Athens Eleftherios V.
19h 27m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
7:05 am - 3:26 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
40h 21m2 stops Zurich Toronto Pearson Intl
$762Multiple Airlines
Sun, Jan 10 - Thu, Jan 14
Multiple Airlines Logo
7:33 am - 11:00 amSTL  Lambert-St Louis-ATH Athens Eleftherios V.
19h 27m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
7:05 am - 3:26 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
40h 21m2 stops Zurich Toronto Pearson Intl
$763Multiple Airlines
Sun, Jan 10 - Thu, Jan 14
United Airlines Logo
6:30 am - 11:00 amSTL  Lambert-St Louis-ATH Athens Eleftherios V.
20h 30m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
12:55 pm - 9:13 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
16h 18m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$783United Airlines
Sun, Jan 10 - Thu, Jan 14
Delta Logo
6:00 am - 9:35 amSTL  Lambert-St Louis-ATH Athens Eleftherios V.
19h 35m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl
Delta Logo
11:45 am - 8:53 amATH  Athens Eleftherios V.-STL Lambert-St Louis
29h 08m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$784Delta
Tue, Dec 1 - Tue, Dec 8
Lufthansa Logo
3:40 pm - 1:40 pmSTL  Lambert-St Louis-ATH Athens Eleftherios V.
14h 00m1 stop Frankfurt am Main
Lufthansa Logo
2:30 pm - 1:45 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
31h 15m1 stop Frankfurt am Main
$785Lufthansa
Sun, Jan 10 - Thu, Jan 14
Lufthansa Logo
3:40 pm - 1:40 pmSTL  Lambert-St Louis-ATH Athens Eleftherios V.
14h 00m1 stop Frankfurt am Main
Lufthansa Logo
2:30 pm - 1:45 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
31h 15m1 stop Frankfurt am Main
$786Lufthansa
Sun, Jan 10 - Thu, Jan 14
United Airlines Logo
6:30 am - 11:00 amSTL  Lambert-St Louis-ATH Athens Eleftherios V.
20h 30m2 stops Newark Montreal Pierre Elliott Trudeau Intl
United Airlines Logo
12:55 pm - 9:13 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
16h 18m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl
$788United Airlines
Sun, Jan 10 - Thu, Jan 14
Delta Logo
2:18 pm - 1:40 pmSTL  Lambert-St Louis-ATH Athens Eleftherios V.
15h 22m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
6:10 am - 11:18 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
25h 08m2 stops Amsterdam Schiphol Minneapolis St Paul
$788Delta
Wed, Dec 9 - Tue, Dec 22
Air Canada Logo
7:33 am - 11:00 amSTL  Lambert-St Louis-ATH Athens Eleftherios V.
19h 27m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
6:40 am - 3:26 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
40h 46m2 stops Munich Franz Josef Strauss Toronto Pearson Intl
$791Air Canada
Wed, Dec 9 - Wed, Dec 16
Air Canada Logo
4:05 pm - 12:55 pmSTL  Lambert-St Louis-ATH Athens Eleftherios V.
36h 50m2 stops Toronto Pearson Intl Zurich
Air Canada Logo
1:00 pm - 11:33 pmATH  Athens Eleftherios V.-STL Lambert-St Louis
42h 33m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$839Air Canada
Mon, Dec 14 - Thu, Dec 17

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Delta flights from St. Louis to Athens

Our best Delta deals on St. Louis to Athens flight tickets
Delta
Dec 1
STL6:00 amLambert-St Louis
19h 35m
2 stops
ATH9:35 amAthens Eleftherios V.
Dec 8
ATH11:45 amAthens Eleftherios V.
29h 08m
2 stops
STL8:53 amLambert-St Louis
$784
Delta
Dec 9
STL2:18 pmLambert-St Louis
15h 22m
2 stops
ATH1:40 pmAthens Eleftherios V.
Dec 22
ATH6:10 amAthens Eleftherios V.
25h 08m
2 stops
STL11:18 pmLambert-St Louis
$788
Delta
Nov 2
STL7:00 amLambert-St Louis
22h 40m
2 stops
ATH1:40 pmAthens Eleftherios V.
Nov 9
ATH2:40 pmAthens Eleftherios V.
34h 20m
2 stops
STL5:00 pmLambert-St Louis
$842

Lufthansa flights from St. Louis to Athens

Our best Lufthansa deals on St. Louis to Athens flight tickets
Lufthansa
Jan 10
STL3:40 pmLambert-St Louis
14h 00m
1 stop
ATH1:40 pmAthens Eleftherios V.
Jan 14
ATH2:30 pmAthens Eleftherios V.
31h 15m
1 stop
STL1:45 pmLambert-St Louis
$785
Lufthansa
Jan 10
STL3:40 pmLambert-St Louis
14h 00m
1 stop
ATH1:40 pmAthens Eleftherios V.
Jan 14
ATH2:30 pmAthens Eleftherios V.
31h 15m
1 stop
STL1:45 pmLambert-St Louis
$786
Lufthansa
Nov 2
STL6:50 pmLambert-St Louis
22h 40m
2 stops
ATH1:30 amAthens Eleftherios V.
Nov 9
ATH2:30 pmAthens Eleftherios V.
39h 22m
2 stops
STL9:52 pmLambert-St Louis
$832

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 August 13, 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

Cheapest round-trip

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 1/10

7:33 am-11:00 am

2 stops19h 27m

Athens Eleftherios V.

Thu 1/14

7:05 am-3:26 pm

2 stops40h 21m

$762

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 1/10

7:33 am-11:00 am

2 stops19h 27m

Athens Eleftherios V.

Thu 1/14

7:05 am-3:26 pm

2 stops40h 21m

$763
Quickest round-trip

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 1/10

6:30 am-11:00 am

2 stops20h 30m

Athens Eleftherios V.

Thu 1/14

12:55 pm-9:13 pm

2 stops16h 18m

$783

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Tue 12/1

6:00 am-9:35 am

2 stops19h 35m

Athens Eleftherios V.

Tue 12/8

11:45 am-8:53 am

2 stops29h 08m

$784

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 1/10

3:40 pm-1:40 pm

1 stop14h 00m

Athens Eleftherios V.

Thu 1/14

2:30 pm-1:45 pm

1 stop31h 15m

$785

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 1/10

3:40 pm-1:40 pm

1 stop14h 00m

Athens Eleftherios V.

Thu 1/14

2:30 pm-1:45 pm

1 stop31h 15m

$786

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 1/10

6:30 am-11:00 am

2 stops20h 30m

Athens Eleftherios V.

Thu 1/14

12:55 pm-9:13 pm

2 stops16h 18m

$788

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Wed 12/9

2:18 pm-1:40 pm

2 stops15h 22m

Athens Eleftherios V.

Tue 12/22

6:10 am-11:18 pm

2 stops25h 08m

$788

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Wed 12/9

7:33 am-11:00 am

2 stops19h 27m

Athens Eleftherios V.

Wed 12/16

6:40 am-3:26 pm

2 stops40h 46m

$791

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 12/14

4:05 pm-12:55 pm

2 stops36h 50m

Athens Eleftherios V.

Thu 12/17

1:00 pm-11:33 pm

2 stops42h 33m

$839

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?

Prices are currently low for flights on this route.

Typical prices usually range from $964 to $1,169.
The lowest price recently found on this route was $762.

What is the cheapest month to fly to Athens?

The cheapest month to fly to Athens from St. Louis is in February. Flight prices, which tend to average around $548, are often lower during this time because this is during the off-season. If you are unable to visit Athens during the month of February, then departing from St. Louis during the month November is also very affordable. Most momondo users find prices during this month for around $549.

How far in advance should I book a flight from St. Louis to Athens?

You are more likely to see cheaper flights to Athens from St. Louis when booking week ahead of your departure date. In general, you can expect to find flights to Athens for around $978 when searching week 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 $806 on momondo.

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

You could potentially save up to 25% 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

Frequently asked questions about flying from St. Louis to Athens

  • 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 $493Free CancellationRating
6.8
8,186 reviews
Search Lufthansa flights
British AirwaysPriceFrom $510Free CancellationRating
6.7
8,161 reviews
Search British Airways flights
American AirlinesPriceFrom $520Free CancellationRating
7.1
11,924 reviews
Search American Airlines flights
DeltaPriceFrom $549Free CancellationRating
7.8
8,503 reviews
Search Delta flights
United AirlinesPriceFrom $626Free CancellationRating
7.4
10,113 reviews
Search United Airlines flights
Air CanadaPriceFrom $776Free CancellationRating
7.1
11,467 reviews
Search Air Canada flights

Traveling to a place near Athens?

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

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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