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Cheap flights from St. Louis to Athens from $430

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 5/15. 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.
Scandinavian Airlines Logo
1:30 pm - 3:15 pm
STL
-
ATH
17h 45m
2 stops
Scandinavian Airlines Logo
9:05 pm - 8:50 pm
ATH
-
STL
31h 45m
2 stops
$651Scandinavian Airlines
Thu, Aug 20 - Sat, Aug 29
Scandinavian Airlines Logo
1:30 pm - 6:40 pm
STL
-
ATH
21h 10m
2 stops
Scandinavian Airlines Logo
7:45 am - 8:50 pm
ATH
-
STL
21h 05m
2 stops
$741Scandinavian Airlines
Mon, Aug 17 - Mon, Aug 24
United Airlines Logo
12:10 pm - 10:10 am
STL
-
ATH
14h 00m
1 stop
United Airlines Logo
3:25 pm - 4:26 pm
ATH
-
STL
33h 01m
2 stops
$780United Airlines
Wed, Aug 12 - Wed, Aug 19
British Airways Logo
9:35 pm - 2:25 am
STL
-
ATH
20h 50m
1 stop
British Airways Logo
12:00 pm - 11:55 pm
ATH
-
STL
19h 55m
1 stop
$790British Airways
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
12:10 pm - 10:10 am
STL
-
ATH
14h 00m
1 stop
United Airlines Logo
12:10 pm - 6:27 pm
ATH
-
STL
14h 17m
1 stop
$794United Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
7:00 am - 9:05 am
STL
-
ATH
19h 05m
1 stop
United Airlines Logo
6:25 am - 10:12 am
ATH
-
STL
34h 47m
2 stops
$797United Airlines
Tue, Mar 17 - Tue, Mar 24
Delta Logo
5:21 pm - 4:35 pm
STL
-
ATH
16h 14m
2 stops
Delta Logo
12:20 pm - 9:06 pm
ATH
-
STL
15h 46m
1 stop
$800Delta
Tue, Mar 17 - Tue, Mar 24
Air Canada Logo
9:23 am - 1:25 pm
STL
-
ATH
20h 02m
2 stops
Air Canada Logo
3:25 pm - 2:02 pm
ATH
-
STL
30h 37m
2 stops
$807Air Canada
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
4:05 pm - 12:55 am
STL
-
ATH
25h 50m
2 stops
United Airlines Logo
6:25 am - 10:12 am
ATH
-
STL
34h 47m
2 stops
$816United Airlines
Tue, Mar 17 - Tue, Mar 24
United Airlines Logo
10:00 am - 9:05 am
STL
-
ATH
16h 05m
2 stops
United Airlines Logo
6:25 am - 10:12 am
ATH
-
STL
34h 47m
2 stops
$844United Airlines
Tue, Mar 17 - Tue, Mar 24

Delta flights from St. Louis to Athens

Our best Delta deals on St. Louis to Athens flight tickets
Delta
Mar 17
STL5:21 pmLambert-St Louis
16h 14m
2 stops
ATH4:35 pmAthens Eleftherios V.
Mar 24
ATH12:20 pmAthens Eleftherios V.
15h 46m
1 stop
STL9:06 pmLambert-St Louis
$800
Delta
Mar 17
STL6:10 amLambert-St Louis
20h 25m
1 stop
ATH9:35 amAthens Eleftherios V.
Mar 24
ATH12:20 pmAthens Eleftherios V.
15h 46m
1 stop
STL9:06 pmLambert-St Louis
$849
Delta
Apr 27
STL5:59 pmLambert-St Louis
21h 01m
2 stops
ATH11:00 pmAthens Eleftherios V.
May 8
ATH6:00 amAthens Eleftherios V.
18h 10m
2 stops
STL4:10 pmLambert-St Louis
$865

British Airways flights from St. Louis to Athens

Our best British Airways deals on St. Louis to Athens flight tickets
British Airways
Aug 12
STL9:35 pmLambert-St Louis
20h 50m
1 stop
ATH2:25 amAthens Eleftherios V.
Aug 19
ATH12:00 pmAthens Eleftherios V.
19h 55m
1 stop
STL11:55 pmLambert-St Louis
$790
British Airways
Apr 27
STL5:21 pmLambert-St Louis
17h 44m
2 stops
ATH7:05 pmAthens Eleftherios V.
May 8
ATH11:15 amAthens Eleftherios V.
20h 41m
1 stop
STL11:56 pmLambert-St Louis
$854
British Airways
Aug 17
STL7:23 amLambert-St Louis
19h 37m
1 stop
ATH11:00 amAthens Eleftherios V.
Aug 24
ATH8:50 pmAthens Eleftherios V.
31h 29m
2 stops
STL8:19 pmLambert-St Louis
$860

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 26, 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

Thu 8/20

1:30 pm-3:15 pm

2 stops17h 45m

Athens Eleftherios V.

Sat 8/29

9:05 pm-8:50 pm

2 stops31h 45m

$651

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 8/17

1:30 pm-6:40 pm

2 stops21h 10m

Athens Eleftherios V.

Mon 8/24

7:45 am-8:50 pm

2 stops21h 05m

$741

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 8/12

12:10 pm-10:10 am

1 stop14h 00m

Athens Eleftherios V.

Wed 8/19

3:25 pm-4:26 pm

2 stops33h 01m

$780

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 8/12

9:35 pm-2:25 am

1 stop20h 50m

Athens Eleftherios V.

Wed 8/19

12:00 pm-11:55 pm

1 stop19h 55m

$790

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 8/12

12:10 pm-10:10 am

1 stop14h 00m

Athens Eleftherios V.

Wed 8/19

12:10 pm-6:27 pm

1 stop14h 17m

$794

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/17

7:00 am-9:05 am

1 stop19h 05m

Athens Eleftherios V.

Tue 3/24

6:25 am-10:12 am

2 stops34h 47m

$797

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/17

5:21 pm-4:35 pm

2 stops16h 14m

Athens Eleftherios V.

Tue 3/24

12:20 pm-9:06 pm

1 stop15h 46m

$800

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 8/12

9:23 am-1:25 pm

2 stops20h 02m

Athens Eleftherios V.

Wed 8/19

3:25 pm-2:02 pm

2 stops30h 37m

$807

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/17

4:05 pm-12:55 am

2 stops25h 50m

Athens Eleftherios V.

Tue 3/24

6:25 am-10:12 am

2 stops34h 47m

$816

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/17

10:00 am-9:05 am

2 stops16h 05m

Athens Eleftherios V.

Tue 3/24

6:25 am-10:12 am

2 stops34h 47m

$844

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 $899 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
7,814 reviews
Search Lufthansa flights
American AirlinesPriceFrom $520Free CancellationRating
7.2
11,352 reviews
Search American Airlines flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,771 reviews
Search British Airways flights
DeltaPriceFrom $558Free CancellationRating
7.9
8,240 reviews
Search Delta flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
10,748 reviews
Search Air Canada flights
United AirlinesPriceFrom $649Free CancellationRating
7.4
9,348 reviews
Search United Airlines flights
KLMPriceFrom $653Free CancellationRating
7.7
1,460 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
Agia Marina
Chalcis
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