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Cheap flights from St. Louis to Athens from $314

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 3/25. 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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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.
Air Canada Logo
4:05 pm - 4:35 pm
STL
-
ATH
16h 30m2 stops
Air Canada Logo
1:10 pm - 3:29 pm
ATH
-
STL
33h 19m1 stop
$429Air Canada
Sun, Mar 1 - Tue, Mar 17
British Airways Logo
2:54 pm - 6:50 pm
STL
-
ATH
19h 56m2 stops
British Airways Logo
7:50 am - 10:44 pm
ATH
-
STL
22h 54m2 stops
$441British Airways
Wed, Feb 4 - Wed, Feb 11
British Airways Logo
11:09 am - 7:10 pm
STL
-
ATH
24h 01m2 stops
British Airways Logo
7:35 am - 5:58 pm
ATH
-
STL
17h 23m2 stops
$444British Airways
Sun, Mar 1 - Tue, Mar 17
British Airways Logo
12:01 pm - 3:55 pm
STL
-
ATH
19h 54m2 stops
British Airways Logo
8:00 am - 11:48 pm
ATH
-
STL
23h 48m2 stops
$466British Airways
Sun, Feb 8 - Sun, Feb 15
Air Canada Logo
4:05 pm - 11:40 am
STL
-
ATH
35h 35m2 stops
Air Canada Logo
12:15 pm - 3:29 pm
ATH
-
STL
34h 14m1 stop
$470Air Canada
Thu, Mar 5 - Thu, Mar 12
United Airlines Logo
3:50 pm - 12:20 pm
STL
-
ATH
12h 30m1 stop
United Airlines Logo
1:10 pm - 3:29 pm
ATH
-
STL
33h 19m1 stop
$478United Airlines
Sun, Mar 1 - Tue, Mar 17
Air Canada Logo
4:05 pm - 4:40 pm
STL
-
ATH
16h 35m2 stops
Air Canada Logo
12:15 pm - 3:29 pm
ATH
-
STL
34h 14m1 stop
$487Air Canada
Tue, Mar 3 - Mon, Mar 9
British Airways Logo
2:25 pm - 6:50 pm
STL
-
ATH
20h 25m2 stops
British Airways Logo
7:50 pm - 11:48 pm
ATH
-
STL
34h 58m2 stops
$491British Airways
Sat, Feb 28 - Sun, Mar 8
Multiple Airlines Logo
4:05 pm - 4:40 pm
STL
-
ATH
16h 35m2 stops
Multiple Airlines Logo
12:15 pm - 3:29 pm
ATH
-
STL
34h 14m1 stop
$501Multiple Airlines
Tue, Mar 3 - Mon, Mar 9
British Airways Logo
6:44 pm - 7:15 pm
STL
-
ATH
16h 31m2 stops
British Airways Logo
7:35 am - 6:16 pm
ATH
-
STL
18h 41m2 stops
$508British Airways
Fri, Jan 23 - Tue, Jan 27

British Airways flights from St. Louis to Athens

Our best British Airways deals on St. Louis to Athens flight tickets
British Airways
Feb 4
STL12:11 pmLambert-St Louis
22h 39m
2 stops
ATH6:50 pmAthens Eleftherios V.
Feb 11
ATH8:20 pmAthens Eleftherios V.
35h 28m
2 stops
STL11:48 pmLambert-St Louis
$441
British Airways
Mar 1
STL11:09 amLambert-St Louis
24h 01m
2 stops
ATH7:10 pmAthens Eleftherios V.
Mar 17
ATH7:35 amAthens Eleftherios V.
17h 23m
2 stops
STL5:58 pmLambert-St Louis
$444
British Airways
Feb 8
STL12:01 pmLambert-St Louis
19h 54m
2 stops
ATH3:55 pmAthens Eleftherios V.
Feb 15
ATH8:00 amAthens Eleftherios V.
23h 48m
2 stops
STL11:48 pmLambert-St Louis
$466

Air Canada flights from St. Louis to Athens

Our best Air Canada deals on St. Louis to Athens flight tickets
Air Canada
Mar 1
STL4:05 pmLambert-St Louis
16h 30m
2 stops
ATH4:35 pmAthens Eleftherios V.
Mar 17
ATH1:10 pmAthens Eleftherios V.
33h 19m
1 stop
STL3:29 pmLambert-St Louis
$429
Air Canada
Mar 5
STL4:05 pmLambert-St Louis
35h 35m
2 stops
ATH11:40 amAthens Eleftherios V.
Mar 12
ATH12:15 pmAthens Eleftherios V.
34h 14m
1 stop
STL3:29 pmLambert-St Louis
$470
Air Canada
Mar 3
STL4:05 pmLambert-St Louis
16h 35m
2 stops
ATH4:40 pmAthens Eleftherios V.
Mar 9
ATH12:15 pmAthens Eleftherios V.
34h 14m
1 stop
STL3:29 pmLambert-St Louis
$487

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 January 8, 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

Sun 3/1

4:05 pm-4:35 pm

2 stops16h 30m

Athens Eleftherios V.

Tue 3/17

1:10 pm-3:29 pm

1 stop33h 19m

$429

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 2/4

2:54 pm-6:50 pm

2 stops19h 56m

Athens Eleftherios V.

Wed 2/11

7:50 am-10:44 pm

2 stops22h 54m

$441

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/1

11:09 am-7:10 pm

2 stops24h 01m

Athens Eleftherios V.

Tue 3/17

7:35 am-5:58 pm

2 stops17h 23m

$444

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 2/8

12:01 pm-3:55 pm

2 stops19h 54m

Athens Eleftherios V.

Sun 2/15

8:00 am-11:48 pm

2 stops23h 48m

$466

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 3/5

4:05 pm-11:40 am

2 stops35h 35m

Athens Eleftherios V.

Thu 3/12

12:15 pm-3:29 pm

1 stop34h 14m

$470

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/1

3:50 pm-12:20 pm

1 stop12h 30m

Athens Eleftherios V.

Tue 3/17

1:10 pm-3:29 pm

1 stop33h 19m

$478

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

4:05 pm-4:40 pm

2 stops16h 35m

Athens Eleftherios V.

Mon 3/9

12:15 pm-3:29 pm

1 stop34h 14m

$487

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

2:25 pm-6:50 pm

2 stops20h 25m

Athens Eleftherios V.

Sun 3/8

7:50 pm-11:48 pm

2 stops34h 58m

$491

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

4:05 pm-4:40 pm

2 stops16h 35m

Athens Eleftherios V.

Mon 3/9

12:15 pm-3:29 pm

1 stop34h 14m

$501

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 1/23

6:44 pm-7:15 pm

2 stops16h 31m

Athens Eleftherios V.

Tue 1/27

7:35 am-6:16 pm

2 stops18h 41m

$508

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 $686, 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 November is also very affordable. Most momondo users find prices during this month for around $716.

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 $951 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 17% 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

13h 08m

Direct flights

None
The fastest flight from St. Louis to Athens takes 13h 08m
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. 13h 08m 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
American AirlinesPriceFrom $520Free CancellationRating
7.2
11,097 reviews
Search American Airlines flights
LufthansaPriceFrom $546Free CancellationRating
6.8
7,694 reviews
Search Lufthansa flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,657 reviews
Search British Airways flights
DeltaPriceFrom $558Free CancellationRating
7.9
8,027 reviews
Search Delta flights
United AirlinesPriceFrom $652Free CancellationRating
7.4
9,139 reviews
Search United Airlines flights
Air CanadaPriceFrom $724Free CancellationRating
7.1
10,603 reviews
Search Air Canada flights
KLMPriceFrom $737Free CancellationRating
7.7
1,434 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
Aegina
Skala
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