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Cheap flights from St. Louis to Athens from $270

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 10/10. 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.
United Airlines Logo
12:05 pm - 10:05 am
STL
-
ATH
14h 00m
1 stop
United Airlines Logo
1:00 pm - 9:13 pm
ATH
-
STL
40h 13m
2 stops
$764United Airlines
Sun, Nov 15 - Thu, Nov 19
Multiple Airlines Logo
4:56 pm - 10:05 am
STL
-
ATH
33h 09m
1 stop
Multiple Airlines Logo
1:00 pm - 3:26 pm
ATH
-
STL
34h 26m
1 stop
$765Multiple Airlines
Sun, Nov 15 - Thu, Nov 19
Air Canada Logo
8:33 am - 11:00 am
STL
-
ATH
18h 27m
2 stops
Air Canada Logo
1:00 pm - 2:30 pm
ATH
-
STL
33h 30m
2 stops
$767Air Canada
Sun, Nov 15 - Thu, Nov 19
United Airlines Logo
12:05 pm - 10:05 am
STL
-
ATH
14h 00m
1 stop
United Airlines Logo
12:25 pm - 9:51 pm
ATH
-
STL
17h 26m
1 stop
$779United Airlines
Sun, Nov 15 - Thu, Nov 19
Multiple Airlines Logo
1:20 pm - 6:55 pm
STL
-
ATH
21h 35m
2 stops
Multiple Airlines Logo
8:10 pm - 7:30 pm
ATH
-
STL
31h 20m
2 stops
$796Multiple Airlines
Mon, Nov 9 - Mon, Nov 16
United Airlines Logo
7:30 am - 10:05 am
STL
-
ATH
18h 35m
1 stop
United Airlines Logo
1:25 pm - 9:51 pm
ATH
-
STL
40h 26m
2 stops
$797United Airlines
Mon, Nov 9 - Mon, Nov 16
Multiple Airlines Logo
12:10 pm - 10:10 am
STL
-
ATH
14h 00m
1 stop
Multiple Airlines Logo
1:10 pm - 2:02 pm
ATH
-
STL
32h 52m
1 stop
$815Multiple Airlines
Tue, Aug 25 - Thu, Sep 3
United Airlines Logo
4:05 pm - 11:00 am
STL
-
ATH
34h 55m
1 stop
United Airlines Logo
1:00 pm - 10:20 pm
ATH
-
STL
41h 20m
2 stops
$817United Airlines
Mon, Nov 2 - Mon, Nov 9
Air Canada Logo
4:05 pm - 11:00 am
STL
-
ATH
58h 55m
2 stops
Air Canada Logo
1:00 pm - 3:41 pm
ATH
-
STL
34h 41m
2 stops
$821Air 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 - 11:17 am
ATH
-
STL
31h 07m
2 stops
$822United Airlines
Tue, Aug 25 - Thu, Sep 3

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United Airlines flights from St. Louis to Athens

Our best United Airlines deals on St. Louis to Athens flight tickets
United Airlines
Nov 15
STL12:05 pmLambert-St Louis
14h 00m
1 stop
ATH10:05 amAthens Eleftherios V.
Nov 19
ATH1:00 pmAthens Eleftherios V.
40h 13m
2 stops
STL9:13 pmLambert-St Louis
$764
United Airlines
Nov 15
STL12:05 pmLambert-St Louis
14h 00m
1 stop
ATH10:05 amAthens Eleftherios V.
Nov 19
ATH12:25 pmAthens Eleftherios V.
17h 26m
1 stop
STL9:51 pmLambert-St Louis
$779
United Airlines
Nov 9
STL7:30 amLambert-St Louis
18h 35m
1 stop
ATH10:05 amAthens Eleftherios V.
Nov 16
ATH1:25 pmAthens Eleftherios V.
40h 26m
2 stops
STL9:51 pmLambert-St Louis
$797

Air Canada flights from St. Louis to Athens

Our best Air Canada deals on St. Louis to Athens flight tickets
Air Canada
Nov 15
STL8:33 amLambert-St Louis
18h 27m
2 stops
ATH11:00 amAthens Eleftherios V.
Nov 19
ATH1:00 pmAthens Eleftherios V.
33h 30m
2 stops
STL2:30 pmLambert-St Louis
$767
Air Canada
Nov 2
STL4:05 pmLambert-St Louis
58h 55m
2 stops
ATH11:00 amAthens Eleftherios V.
Nov 9
ATH1:00 pmAthens Eleftherios V.
34h 41m
2 stops
STL3:41 pmLambert-St Louis
$821
Air Canada
Aug 29
STL2:40 pmLambert-St Louis
35h 30m
2 stops
ATH10:10 amAthens Eleftherios V.
Sep 11
ATH12:10 pmAthens Eleftherios V.
35h 28m
2 stops
STL3:38 pmLambert-St Louis
$830

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 July 12, 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

Sun 11/15

12:05 pm-10:05 am

1 stop14h 00m

Athens Eleftherios V.

Thu 11/19

1:00 pm-9:13 pm

2 stops40h 13m

$764

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 11/15

4:56 pm-10:05 am

1 stop33h 09m

Athens Eleftherios V.

Thu 11/19

1:00 pm-3:26 pm

1 stop34h 26m

$765

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 11/15

8:33 am-11:00 am

2 stops18h 27m

Athens Eleftherios V.

Thu 11/19

1:00 pm-2:30 pm

2 stops33h 30m

$767
Quickest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 11/15

12:05 pm-10:05 am

1 stop14h 00m

Athens Eleftherios V.

Thu 11/19

12:25 pm-9:51 pm

1 stop17h 26m

$779

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/9

1:20 pm-6:55 pm

2 stops21h 35m

Athens Eleftherios V.

Mon 11/16

8:10 pm-7:30 pm

2 stops31h 20m

$796

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/9

7:30 am-10:05 am

1 stop18h 35m

Athens Eleftherios V.

Mon 11/16

1:25 pm-9:51 pm

2 stops40h 26m

$797

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

12:10 pm-10:10 am

1 stop14h 00m

Athens Eleftherios V.

Thu 9/3

1:10 pm-2:02 pm

1 stop32h 52m

$815

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/2

4:05 pm-11:00 am

1 stop34h 55m

Athens Eleftherios V.

Mon 11/9

1:00 pm-10:20 pm

2 stops41h 20m

$817

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/2

4:05 pm-11:00 am

2 stops58h 55m

Athens Eleftherios V.

Mon 11/9

1:00 pm-3:41 pm

2 stops34h 41m

$821

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

12:10 pm-10:10 am

1 stop14h 00m

Athens Eleftherios V.

Thu 9/3

12:10 pm-11:17 am

2 stops31h 07m

$822

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 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 January is also very affordable. Most momondo users find prices during this month for around $552.

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 $958 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 $833 on momondo.

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

You could potentially save up to 11% 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 55m

Direct flights

None
The fastest flight from St. Louis to Athens takes 13h 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. 13h 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 $493Free CancellationRating
6.8
8,131 reviews
Search Lufthansa flights
British AirwaysPriceFrom $510Free CancellationRating
6.7
8,103 reviews
Search British Airways flights
American AirlinesPriceFrom $520Free CancellationRating
7.1
11,809 reviews
Search American Airlines flights
DeltaPriceFrom $549Free CancellationRating
7.8
8,458 reviews
Search Delta flights
United AirlinesPriceFrom $634Free CancellationRating
7.4
9,979 reviews
Search United Airlines flights
Air CanadaPriceFrom $696Free CancellationRating
7.1
11,332 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
Loutraki
Hydra
Aegina
Corinth
Skala
Tolo
Marathon
Chalcis
Porto Cheli
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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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
Lufthansa
British Airways
American Airlines
Delta