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Cheap flights from St. Louis to Athens from $351

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 5/1. 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
6:00 am - 3:55 pm
STL
-
ATH
25h 55m
2 stops
British Airways Logo
7:45 am - 11:22 pm
ATH
-
STL
23h 37m
2 stops
$492British Airways
Fri, Feb 27 - Mon, Mar 2
KLM Logo
10:14 am - 1:00 pm
STL
-
ATH
18h 46m
2 stops
KLM Logo
5:20 pm - 5:05 pm
ATH
-
STL
30h 45m
2 stops
$509KLM
Tue, Mar 3 - Mon, Mar 9
Virgin Atlantic Logo
4:21 pm - 9:55 am
STL
-
ATH
34h 34m
1 stop
Virgin Atlantic Logo
11:50 am - 8:42 pm
ATH
-
STL
39h 52m
2 stops
$511Virgin Atlantic
Sun, Mar 8 - Mon, Mar 16
United Airlines Logo
10:00 am - 12:20 pm
STL
-
ATH
19h 20m
2 stops
United Airlines Logo
12:50 pm - 1:19 pm
ATH
-
STL
55h 29m
2 stops
$528United Airlines
Sun, Mar 8 - Mon, Mar 16
United Airlines Logo
7:41 am - 12:55 am
STL
-
ATH
33h 14m
2 stops
United Airlines Logo
12:15 pm - 9:21 am
ATH
-
STL
52h 06m
3 stops
$546United Airlines
Tue, Mar 3 - Mon, Mar 9
Multiple Airlines Logo
4:05 pm - 12:20 pm
STL
-
ATH
36h 15m
2 stops
Multiple Airlines Logo
6:15 am - 1:55 pm
ATH
-
STL
15h 40m
1 stop
$560Multiple Airlines
Sat, Feb 28 - Sun, Mar 8
Multiple Airlines Logo
4:05 pm - 12:20 pm
STL
-
ATH
36h 15m
2 stops
Multiple Airlines Logo
6:55 pm - 10:59 pm
ATH
-
STL
35h 04m
2 stops
$583Multiple Airlines
Sat, Feb 28 - Sun, Mar 8
Delta Logo
6:32 am - 9:35 am
STL
-
ATH
20h 03m
2 stops
Delta Logo
11:50 am - 12:58 pm
ATH
-
STL
32h 08m
2 stops
$606Delta
Tue, Mar 10 - Mon, Mar 23
Multiple Airlines Logo
4:05 pm - 12:20 pm
STL
-
ATH
36h 15m
2 stops
Multiple Airlines Logo
6:15 am - 1:55 pm
ATH
-
STL
15h 40m
1 stop
$651Multiple Airlines
Sat, Feb 28 - Sun, Mar 8
Lufthansa Logo
6:45 pm - 6:05 pm
STL
-
ATH
15h 20m
2 stops
Lufthansa Logo
12:50 pm - 9:40 pm
ATH
-
STL
16h 50m
2 stops
$664Lufthansa
Fri, Feb 20 - Mon, Feb 23

KLM flights from St. Louis to Athens

Our best KLM deals on St. Louis to Athens flight tickets
KLM
Mar 3
STL10:14 amLambert-St Louis
18h 46m
2 stops
ATH1:00 pmAthens Eleftherios V.
Mar 9
ATH5:20 pmAthens Eleftherios V.
30h 45m
2 stops
STL5:05 pmLambert-St Louis
$509
KLM
Apr 20
STL9:59 amLambert-St Louis
17h 01m
1 stop
ATH11:00 amAthens Eleftherios V.
May 4
ATH9:10 amAthens Eleftherios V.
16h 34m
1 stop
STL5:44 pmLambert-St Louis
$847

Lufthansa flights from St. Louis to Athens

Our best Lufthansa deals on St. Louis to Athens flight tickets
Lufthansa
Feb 20
STL6:45 pmLambert-St Louis
15h 20m
2 stops
ATH6:05 pmAthens Eleftherios V.
Feb 23
ATH12:50 pmAthens Eleftherios V.
16h 50m
2 stops
STL9:40 pmLambert-St Louis
$664
Lufthansa
Mar 3
STL8:30 amLambert-St Louis
19h 30m
2 stops
ATH12:00 pmAthens Eleftherios V.
Mar 9
ATH11:25 amAthens Eleftherios V.
19h 26m
1 stop
STL11:51 pmLambert-St Louis
$666
Lufthansa
Mar 3
STL8:30 amLambert-St Louis
19h 30m
2 stops
ATH12:00 pmAthens Eleftherios V.
Mar 9
ATH11:25 amAthens Eleftherios V.
19h 26m
1 stop
STL11:51 pmLambert-St Louis
$674

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 29, 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

Fri 2/27

6:00 am-3:55 pm

2 stops25h 55m

Athens Eleftherios V.

Mon 3/2

7:45 am-11:22 pm

2 stops23h 37m

$492

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

10:14 am-1:00 pm

2 stops18h 46m

Athens Eleftherios V.

Mon 3/9

5:20 pm-5:05 pm

2 stops30h 45m

$509

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/8

4:21 pm-9:55 am

1 stop34h 34m

Athens Eleftherios V.

Mon 3/16

11:50 am-8:42 pm

2 stops39h 52m

$511

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/8

10:00 am-12:20 pm

2 stops19h 20m

Athens Eleftherios V.

Mon 3/16

12:50 pm-1:19 pm

2 stops55h 29m

$528

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

7:41 am-12:55 am

2 stops33h 14m

Athens Eleftherios V.

Mon 3/9

12:15 pm-9:21 am

3 stops52h 06m

$546

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

4:05 pm-12:20 pm

2 stops36h 15m

Athens Eleftherios V.

Sun 3/8

6:15 am-1:55 pm

1 stop15h 40m

$560

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

4:05 pm-12:20 pm

2 stops36h 15m

Athens Eleftherios V.

Sun 3/8

6:55 pm-10:59 pm

2 stops35h 04m

$583

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

6:32 am-9:35 am

2 stops20h 03m

Athens Eleftherios V.

Mon 3/23

11:50 am-12:58 pm

2 stops32h 08m

$606

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

4:05 pm-12:20 pm

2 stops36h 15m

Athens Eleftherios V.

Sun 3/8

6:15 am-1:55 pm

1 stop15h 40m

$651

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 2/20

6:45 pm-6:05 pm

2 stops15h 20m

Athens Eleftherios V.

Mon 2/23

12:50 pm-9:40 pm

2 stops16h 50m

$664

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 cheapest month to fly to Athens?

The cheapest month to fly to Athens from St. Louis is in November. Flight prices, which tend to average around $674, are often lower during this time because this is during the off-season. If you are unable to visit Athens during the month of November, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $686.

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 $945 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 2% 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
7,754 reviews
Search Lufthansa flights
American AirlinesPriceFrom $520Free CancellationRating
7.2
11,206 reviews
Search American Airlines flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,705 reviews
Search British Airways flights
DeltaPriceFrom $558Free CancellationRating
7.9
8,128 reviews
Search Delta flights
Air CanadaPriceFrom $647Free CancellationRating
7.1
10,667 reviews
Search Air Canada flights
United AirlinesPriceFrom $649Free CancellationRating
7.4
9,214 reviews
Search United Airlines flights
KLMPriceFrom $653Free CancellationRating
7.7
1,443 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
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.

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
Delta
Lufthansa
American Airlines
KLM