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Cheap flights from St. Louis to Athens from $627

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 6/27. 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.
British Airways Logo
9:35 pm - 2:10 am
STL
-
ATH
20h 35m
1 stop
British Airways Logo
11:15 am - 8:19 pm
ATH
-
STL
17h 04m
1 stop
$835British Airways
Tue, Aug 25 - Thu, Sep 3
American Airlines Logo
9:35 pm - 7:05 pm
STL
-
ATH
13h 30m
1 stop
American Airlines Logo
2:05 pm - 11:42 pm
ATH
-
STL
17h 37m
1 stop
$839American Airlines
Tue, Aug 25 - Thu, Sep 3
American Airlines Logo
9:35 pm - 7:05 pm
STL
-
ATH
13h 30m
1 stop
American Airlines Logo
1:00 pm - 11:51 pm
ATH
-
STL
18h 51m
2 stops
$843American Airlines
Tue, Aug 25 - Thu, Sep 3
American Airlines Logo
9:35 pm - 7:05 pm
STL
-
ATH
13h 30m
1 stop
American Airlines Logo
1:00 pm - 11:51 pm
ATH
-
STL
18h 51m
2 stops
$844American Airlines
Tue, Aug 25 - Thu, Sep 3
Iberia Logo
8:00 pm - 11:00 am
STL
-
ATH
31h 00m
1 stop
Iberia Logo
6:55 am - 8:19 pm
ATH
-
STL
21h 24m
2 stops
$861Iberia
Tue, Aug 25 - Thu, Sep 3
American Airlines Logo
9:35 pm - 7:05 pm
STL
-
ATH
13h 30m
1 stop
American Airlines Logo
1:00 pm - 11:51 pm
ATH
-
STL
18h 51m
2 stops
$872American Airlines
Tue, Aug 25 - Thu, Sep 3
United Airlines Logo
7:30 am - 10:10 am
STL
-
ATH
18h 40m
2 stops
United Airlines Logo
1:10 pm - 2:08 pm
ATH
-
STL
32h 58m
2 stops
$880United Airlines
Tue, Aug 25 - Thu, Sep 3
Turkish Airlines Logo
7:45 am - 2:50 pm
STL
-
ATH
23h 05m
2 stops
Turkish Airlines Logo
10:00 pm - 9:13 pm
ATH
-
STL
31h 13m
2 stops
$881Turkish Airlines
Mon, Apr 27 - Sun, May 3
Scandinavian Airlines Logo
1:30 pm - 1:10 pm
STL
-
ATH
39h 40m
2 stops
Scandinavian Airlines Logo
7:30 pm - 11:37 pm
ATH
-
STL
36h 07m
2 stops
$886Scandinavian Airlines
Sat, Aug 29 - Fri, Sep 11
Air Canada Logo
7:30 am - 10:10 am
STL
-
ATH
18h 40m
2 stops
Air Canada Logo
12:10 pm - 6:42 pm
ATH
-
STL
14h 32m
1 stop
$889Air Canada
Tue, Aug 25 - Thu, Sep 3

British Airways flights from St. Louis to Athens

Our best British Airways deals on St. Louis to Athens flight tickets
British Airways
Aug 25
STL9:35 pmLambert-St Louis
20h 35m
1 stop
ATH2:10 amAthens Eleftherios V.
Sep 3
ATH11:15 amAthens Eleftherios V.
17h 04m
1 stop
STL8:19 pmLambert-St Louis
$835
British Airways
Aug 25
STL7:23 amLambert-St Louis
23h 57m
2 stops
ATH3:20 pmAthens Eleftherios V.
Sep 3
ATH4:20 pmAthens Eleftherios V.
39h 22m
2 stops
STL11:42 pmLambert-St Louis
$895
British Airways
Aug 25
STL9:35 pmLambert-St Louis
32h 45m
1 stop
ATH2:20 pmAthens Eleftherios V.
Sep 3
ATH8:00 pmAthens Eleftherios V.
32h 19m
2 stops
STL8:19 pmLambert-St Louis
$897

United Airlines flights from St. Louis to Athens

Our best United Airlines deals on St. Louis to Athens flight tickets
United Airlines
Aug 25
STL7:30 amLambert-St Louis
18h 40m
2 stops
ATH10:10 amAthens Eleftherios V.
Sep 3
ATH1:10 pmAthens Eleftherios V.
32h 58m
2 stops
STL2:08 pmLambert-St Louis
$880
United Airlines
Aug 25
STL8:00 amLambert-St Louis
18h 10m
2 stops
ATH10:10 amAthens Eleftherios V.
Sep 3
ATH11:45 amAthens Eleftherios V.
17h 37m
2 stops
STL9:22 pmLambert-St Louis
$900
United Airlines
Aug 26
STL12:10 pmLambert-St Louis
14h 00m
1 stop
ATH10:10 amAthens Eleftherios V.
Sep 6
ATH3:25 pmAthens Eleftherios V.
35h 17m
1 stop
STL6:42 pmLambert-St Louis
$944

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 April 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 - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:35 pm-2:10 am

1 stop20h 35m

Athens Eleftherios V.

Thu 9/3

11:15 am-8:19 pm

1 stop17h 04m

$835
Quickest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:35 pm-7:05 pm

1 stop13h 30m

Athens Eleftherios V.

Thu 9/3

2:05 pm-11:42 pm

1 stop17h 37m

$839

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:35 pm-7:05 pm

1 stop13h 30m

Athens Eleftherios V.

Thu 9/3

1:00 pm-11:51 pm

2 stops18h 51m

$843

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:35 pm-7:05 pm

1 stop13h 30m

Athens Eleftherios V.

Thu 9/3

1:00 pm-11:51 pm

2 stops18h 51m

$844

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

8:00 pm-11:00 am

1 stop31h 00m

Athens Eleftherios V.

Thu 9/3

6:55 am-8:19 pm

2 stops21h 24m

$861

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:35 pm-7:05 pm

1 stop13h 30m

Athens Eleftherios V.

Thu 9/3

1:00 pm-11:51 pm

2 stops18h 51m

$872

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

7:30 am-10:10 am

2 stops18h 40m

Athens Eleftherios V.

Thu 9/3

1:10 pm-2:08 pm

2 stops32h 58m

$880

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 4/27

7:45 am-2:50 pm

2 stops23h 05m

Athens Eleftherios V.

Sun 5/3

10:00 pm-9:13 pm

2 stops31h 13m

$881

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 8/29

1:30 pm-1:10 pm

2 stops39h 40m

Athens Eleftherios V.

Fri 9/11

7:30 pm-11:37 pm

2 stops36h 07m

$886

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

7:30 am-10:10 am

2 stops18h 40m

Athens Eleftherios V.

Thu 9/3

12:10 pm-6:42 pm

1 stop14h 32m

$889

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 $566.

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 $901 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 $741 on momondo.

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

12h 55m

Direct flights

None
The fastest flight from St. Louis to Athens takes 12h 55m
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. 12h 55m 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
7,919 reviews
Search Lufthansa flights
American AirlinesPriceFrom $520Free CancellationRating
7.1
11,567 reviews
Search American Airlines flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,881 reviews
Search British Airways flights
DeltaPriceFrom $554Free CancellationRating
7.9
8,406 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $588Free CancellationRating
7.3
1,748 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $643Free CancellationRating
7.4
9,579 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom $653Free CancellationRating
7.5
687 reviews
Search Virgin Atlantic flights
Air CanadaPriceFrom $655Free CancellationRating
7.1
10,916 reviews
Search Air Canada flights
KLMPriceFrom $814Free CancellationRating
7.8
1,496 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
Hydra
Marathon
Aegina
Skala
Loutraki
Tolo
Corinth
Agia Marina
Chalcis
Porto Cheli
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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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
Lufthansa
Delta
American Airlines
KLM
Scandinavian Airlines
Virgin Atlantic