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Cheap flights from St. Louis to Athens from $428

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Athens departing on 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
British Airways Logo
6:46 pm - 7:30 pm
STL
-
ATH
16h 44m
2 stops
British Airways Logo
7:55 pm - 11:22 pm
ATH
-
STL
35h 27m
2 stops
$428British Airways
Tue, Feb 10 - Tue, Feb 17
British Airways Logo
11:59 am - 1:45 pm
STL
-
ATH
17h 46m
2 stops
British Airways Logo
8:10 pm - 11:48 pm
ATH
-
STL
34h 38m
2 stops
$440British Airways
Tue, Mar 3 - Mon, Mar 9
British Airways Logo
8:31 am - 6:50 pm
STL
-
ATH
26h 19m
2 stops
British Airways Logo
7:50 am - 10:59 pm
ATH
-
STL
23h 09m
2 stops
$441British Airways
Wed, Feb 4 - Wed, Feb 11
British Airways Logo
6:08 pm - 1:20 am
STL
-
ATH
24h 12m
2 stops
British Airways Logo
8:00 pm - 9:11 pm
ATH
-
STL
33h 11m
2 stops
$457British Airways
Tue, Mar 10 - Tue, Mar 31
Delta Logo
6:10 am - 1:35 pm
STL
-
ATH
24h 25m
2 stops
Delta Logo
10:05 am - 8:43 pm
ATH
-
STL
18h 38m
1 stop
$459Delta
Wed, Mar 11 - Tue, Mar 31
Delta Logo
6:10 am - 1:35 pm
STL
-
ATH
24h 25m
2 stops
Delta Logo
11:50 am - 9:05 am
ATH
-
STL
28h 15m
2 stops
$463Delta
Wed, Mar 11 - Tue, Mar 24
Delta Logo
6:10 am - 1:35 pm
STL
-
ATH
24h 25m
2 stops
Delta Logo
11:50 am - 8:44 am
ATH
-
STL
27h 54m
1 stop
$464Delta
Mon, Mar 9 - Tue, Mar 24
British Airways Logo
11:05 am - 1:05 am
STL
-
ATH
30h 00m
2 stops
British Airways Logo
7:50 pm - 6:00 pm
ATH
-
STL
30h 10m
2 stops
$466British Airways
Wed, Feb 11 - Fri, Feb 27
Air Canada Logo
4:05 pm - 10:10 am
STL
-
ATH
35h 05m
1 stop
Air Canada Logo
10:55 am - 3:29 pm
ATH
-
STL
35h 34m
2 stops
$470Air Canada
Sun, Mar 8 - Fri, Mar 27
Air Canada Logo
7:40 am - 10:10 am
STL
-
ATH
19h 30m
2 stops
Air Canada Logo
10:55 am - 3:29 pm
ATH
-
STL
35h 34m
2 stops
$474Air Canada
Mon, Mar 9 - Fri, Mar 27

United Airlines flights from St. Louis to Athens

Our best United Airlines deals on St. Louis to Athens flight tickets
United Airlines
Mar 1
STL9:55 amLambert-St Louis
31h 45m
2 stops
ATH1:40 amAthens Eleftherios V.
Mar 8
ATH6:35 amAthens Eleftherios V.
37h 44m
2 stops
STL12:19 pmLambert-St Louis
$495
United Airlines
Mar 8
STL4:50 pmLambert-St Louis
12h 30m
1 stop
ATH12:20 pmAthens Eleftherios V.
Mar 25
ATH7:05 amAthens Eleftherios V.
21h 37m
2 stops
STL9:42 pmLambert-St Louis
$498
United Airlines
Mar 8
STL10:00 amLambert-St Louis
19h 20m
2 stops
ATH12:20 pmAthens Eleftherios V.
Mar 25
ATH7:05 amAthens Eleftherios V.
21h 02m
2 stops
STL9:07 pmLambert-St Louis
$502

British Airways flights from St. Louis to Athens

Our best British Airways deals on St. Louis to Athens flight tickets
British Airways
Feb 10
STL6:46 pmLambert-St Louis
16h 44m
2 stops
ATH7:30 pmAthens Eleftherios V.
Feb 17
ATH7:55 pmAthens Eleftherios V.
35h 27m
2 stops
STL11:22 pmLambert-St Louis
$428
British Airways
Mar 3
STL11:59 amLambert-St Louis
17h 46m
2 stops
ATH1:45 pmAthens Eleftherios V.
Mar 9
ATH8:10 pmAthens Eleftherios V.
34h 38m
2 stops
STL11:48 pmLambert-St Louis
$440
British Airways
Feb 4
STL8:31 amLambert-St Louis
26h 19m
2 stops
ATH6:50 pmAthens Eleftherios V.
Feb 11
ATH7:50 amAthens Eleftherios V.
23h 09m
2 stops
STL10:59 pmLambert-St Louis
$441

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 15, 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

Tue 2/10

6:46 pm-7:30 pm

2 stops16h 44m

Athens Eleftherios V.

Tue 2/17

7:55 pm-11:22 pm

2 stops35h 27m

$428

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

11:59 am-1:45 pm

2 stops17h 46m

Athens Eleftherios V.

Mon 3/9

8:10 pm-11:48 pm

2 stops34h 38m

$440

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 2/4

8:31 am-6:50 pm

2 stops26h 19m

Athens Eleftherios V.

Wed 2/11

7:50 am-10:59 pm

2 stops23h 09m

$441

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/10

6:08 pm-1:20 am

2 stops24h 12m

Athens Eleftherios V.

Tue 3/31

8:00 pm-9:11 pm

2 stops33h 11m

$457

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 3/11

6:10 am-1:35 pm

2 stops24h 25m

Athens Eleftherios V.

Tue 3/31

10:05 am-8:43 pm

1 stop18h 38m

$459

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 3/11

6:10 am-1:35 pm

2 stops24h 25m

Athens Eleftherios V.

Tue 3/24

11:50 am-9:05 am

2 stops28h 15m

$463

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 3/9

6:10 am-1:35 pm

2 stops24h 25m

Athens Eleftherios V.

Tue 3/24

11:50 am-8:44 am

1 stop27h 54m

$464

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 2/11

11:05 am-1:05 am

2 stops30h 00m

Athens Eleftherios V.

Fri 2/27

7:50 pm-6:00 pm

2 stops30h 10m

$466

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/8

4:05 pm-10:10 am

1 stop35h 05m

Athens Eleftherios V.

Fri 3/27

10:55 am-3:29 pm

2 stops35h 34m

$470

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 3/9

7:40 am-10:10 am

2 stops19h 30m

Athens Eleftherios V.

Fri 3/27

10:55 am-3:29 pm

2 stops35h 34m

$474

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 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 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

14h 05m

Direct flights

None
The fastest flight from St. Louis to Athens takes 14h 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

  • 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 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
7,717 reviews
Search Lufthansa flights
American AirlinesPriceFrom $520Free CancellationRating
7.2
11,132 reviews
Search American Airlines flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,676 reviews
Search British Airways flights
DeltaPriceFrom $558Free CancellationRating
7.9
8,049 reviews
Search Delta flights
United AirlinesPriceFrom $649Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
KLMPriceFrom $653Free CancellationRating
7.7
1,440 reviews
Search KLM flights
Air CanadaPriceFrom $696Free CancellationRating
7.1
10,623 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
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.

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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
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KLM