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Cheap flights from St. Louis to Athens from $493

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 7/3. 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 - 4:15 pm
STL
-
ATH
18h 45m
2 stops
Scandinavian Airlines Logo
8:50 am - 11:39 pm
ATH
-
STL
22h 49m
2 stops
$792Scandinavian Airlines
Mon, Nov 2 - Mon, Nov 9
British Airways Logo
9:35 pm - 7:05 pm
STL
-
ATH
13h 30m
1 stop
British Airways Logo
1:00 pm - 11:23 pm
ATH
-
STL
18h 23m
1 stop
$836British 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
11:15 am - 11:59 pm
ATH
-
STL
20h 44m
1 stop
$840American 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
11:15 am - 10:25 pm
ATH
-
STL
19h 10m
2 stops
$844American Airlines
Tue, Aug 25 - Thu, Sep 3
Iberia Logo
10:16 am - 11:45 am
STL
-
ATH
17h 29m
1 stop
Iberia Logo
11:15 am - 11:59 pm
ATH
-
STL
20h 44m
1 stop
$847Iberia
Wed, Aug 26 - Tue, Sep 8
United Airlines Logo
4:15 pm - 11:15 am
STL
-
ATH
35h 00m
1 stop
United Airlines Logo
1:00 pm - 6:38 pm
ATH
-
STL
37h 38m
2 stops
$853United Airlines
Mon, Nov 2 - Mon, Nov 9
Air Canada Logo
4:15 pm - 11:15 am
STL
-
ATH
35h 00m
1 stop
Air Canada Logo
1:00 pm - 3:30 pm
ATH
-
STL
34h 30m
1 stop
$866Air Canada
Mon, Nov 2 - Mon, Nov 9
United Airlines Logo
12:10 pm - 10:10 am
STL
-
ATH
14h 00m
1 stop
United Airlines Logo
12:10 pm - 11:37 pm
ATH
-
STL
43h 27m
2 stops
$871United Airlines
Wed, Aug 26 - Tue, Sep 8
Air Canada Logo
9:55 am - 10:10 am
STL
-
ATH
16h 15m
2 stops
Air Canada Logo
12:10 pm - 3:38 pm
ATH
-
STL
35h 28m
2 stops
$876Air Canada
Tue, Aug 25 - Thu, Sep 3
Multiple Airlines Logo
11:25 am - 10:10 am
STL
-
ATH
14h 45m
2 stops
Multiple Airlines Logo
3:25 pm - 6:42 pm
ATH
-
STL
35h 17m
2 stops
$897Multiple Airlines
Tue, Aug 25 - Thu, Sep 3

Iberia flights from St. Louis to Athens

Our best Iberia deals on St. Louis to Athens flight tickets
Iberia
Aug 26
STL10:16 amLambert-St Louis
17h 29m
1 stop
ATH11:45 amAthens Eleftherios V.
Sep 8
ATH11:15 amAthens Eleftherios V.
20h 44m
1 stop
STL11:59 pmLambert-St Louis
$847
Iberia
Sep 15
STL8:07 pmLambert-St Louis
20h 33m
2 stops
ATH12:40 amAthens Eleftherios V.
Sep 30
ATH10:45 amAthens Eleftherios V.
17h 18m
1 stop
STL8:03 pmLambert-St Louis
$922
Iberia
Sep 15
STL8:07 pmLambert-St Louis
20h 33m
2 stops
ATH12:40 amAthens Eleftherios V.
Sep 22
ATH12:30 pmAthens Eleftherios V.
28h 46m
2 stops
STL9:16 amLambert-St Louis
$931

United Airlines flights from St. Louis to Athens

Our best United Airlines deals on St. Louis to Athens flight tickets
United Airlines
Nov 2
STL4:15 pmLambert-St Louis
35h 00m
1 stop
ATH11:15 amAthens Eleftherios V.
Nov 9
ATH1:00 pmAthens Eleftherios V.
37h 38m
2 stops
STL6:38 pmLambert-St Louis
$853
United Airlines
Aug 26
STL12:10 pmLambert-St Louis
14h 00m
1 stop
ATH10:10 amAthens Eleftherios V.
Sep 8
ATH12:10 pmAthens Eleftherios V.
43h 27m
2 stops
STL11:37 pmLambert-St Louis
$871
United Airlines
Sep 1
STL5:30 pmLambert-St Louis
33h 40m
2 stops
ATH11:10 amAthens Eleftherios V.
Sep 10
ATH12:10 pmAthens Eleftherios V.
14h 31m
1 stop
STL6:41 pmLambert-St Louis
$967

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 May 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

Mon 11/2

1:30 pm-4:15 pm

2 stops18h 45m

Athens Eleftherios V.

Mon 11/9

8:50 am-11:39 pm

2 stops22h 49m

$792
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

1:00 pm-11:23 pm

1 stop18h 23m

$836

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

11:15 am-11:59 pm

1 stop20h 44m

$840

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

11:15 am-10:25 pm

2 stops19h 10m

$844

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 8/26

10:16 am-11:45 am

1 stop17h 29m

Athens Eleftherios V.

Tue 9/8

11:15 am-11:59 pm

1 stop20h 44m

$847

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/2

4:15 pm-11:15 am

1 stop35h 00m

Athens Eleftherios V.

Mon 11/9

1:00 pm-6:38 pm

2 stops37h 38m

$853

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/2

4:15 pm-11:15 am

1 stop35h 00m

Athens Eleftherios V.

Mon 11/9

1:00 pm-3:30 pm

1 stop34h 30m

$866

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 8/26

12:10 pm-10:10 am

1 stop14h 00m

Athens Eleftherios V.

Tue 9/8

12:10 pm-11:37 pm

2 stops43h 27m

$871

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:55 am-10:10 am

2 stops16h 15m

Athens Eleftherios V.

Thu 9/3

12:10 pm-3:38 pm

2 stops35h 28m

$876

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

11:25 am-10:10 am

2 stops14h 45m

Athens Eleftherios V.

Thu 9/3

3:25 pm-6:42 pm

2 stops35h 17m

$897

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 from St. Louis 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 $892 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 $780 on momondo.

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

You could potentially save up to 1% 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 05m

Direct flights

None
The fastest flight from St. Louis to Athens takes 13h 05m
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. 13h 05m 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
7,993 reviews
Search Lufthansa flights
American AirlinesPriceFrom $520Free CancellationRating
7.1
11,663 reviews
Search American Airlines flights
DeltaPriceFrom $549Free CancellationRating
7.9
8,450 reviews
Search Delta flights
British AirwaysPriceFrom $576Free CancellationRating
6.7
7,975 reviews
Search British Airways flights
United AirlinesPriceFrom $643Free CancellationRating
7.4
9,706 reviews
Search United Airlines flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
11,026 reviews
Search Air Canada flights
KLMPriceFrom $653Free CancellationRating
7.8
1,517 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
Loutraki
Hydra
Aegina
Skala
Tolo
Marathon
Corinth
Agia Marina
Chalcis
Galaxidi
Porto Cheli
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.

An easier way to manage your Athens trip

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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