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Cheap flights from St. Louis to Athens from $479

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 3/5. 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.
Air Canada Logo
4:05 pm - 11:40 am
STL
-
ATH
35h 35m2 stops
Air Canada Logo
12:15 pm - 2:43 pm
ATH
-
STL
33h 28m2 stops
$479Air Canada
Thu, Mar 5 - Thu, Mar 12
Air Canada Logo
7:41 am - 10:20 am
STL
-
ATH
18h 39m2 stops
Air Canada Logo
12:15 pm - 5:59 pm
ATH
-
STL
36h 44m2 stops
$480Air Canada
Thu, Mar 5 - Thu, Mar 12
Lufthansa Logo
6:40 pm - 1:40 am
STL
-
ATH
23h 00m2 stops
Lufthansa Logo
6:25 am - 12:05 am
ATH
-
STL
25h 40m2 stops
$481Lufthansa
Mon, Feb 9 - Thu, Feb 19
British Airways Logo
12:11 pm - 3:55 pm
STL
-
ATH
19h 44m2 stops
British Airways Logo
7:45 am - 10:52 pm
ATH
-
STL
23h 07m2 stops
$491British Airways
Fri, Feb 6 - Fri, Feb 13
Air Canada Logo
7:41 am - 10:20 am
STL
-
ATH
18h 39m2 stops
Air Canada Logo
12:15 pm - 3:29 pm
ATH
-
STL
34h 14m1 stop
$492Air Canada
Thu, Mar 5 - Thu, Mar 12
Air Canada Logo
7:41 am - 10:40 am
STL
-
ATH
19h 59m2 stops
Air Canada Logo
10:55 am - 3:29 pm
ATH
-
STL
35h 34m2 stops
$493Air Canada
Sun, Mar 8 - Sun, Mar 15
KLM Logo
6:59 pm - 9:55 am
STL
-
ATH
31h 56m1 stop
KLM Logo
12:20 pm - 9:06 pm
ATH
-
STL
15h 46m1 stop
$495KLM
Sun, Mar 8 - Sun, Mar 15
Air Canada Logo
4:05 pm - 4:40 pm
STL
-
ATH
16h 35m2 stops
Air Canada Logo
12:15 pm - 3:29 pm
ATH
-
STL
34h 14m1 stop
$497Air Canada
Tue, Mar 3 - Mon, Mar 9
United Airlines Logo
7:41 am - 1:40 am
STL
-
ATH
33h 59m2 stops
United Airlines Logo
6:15 am - 10:14 pm
ATH
-
STL
23h 59m3 stops
$502United Airlines
Mon, Feb 16 - Wed, Feb 25
United Airlines Logo
3:50 pm - 4:35 pm
STL
-
ATH
16h 45m1 stop
United Airlines Logo
6:25 am - 10:58 pm
ATH
-
STL
24h 33m2 stops
$510United Airlines
Fri, Jan 30 - Tue, Feb 3

Lufthansa flights from St. Louis to Athens

Our best Lufthansa deals on St. Louis to Athens flight tickets
Lufthansa
Feb 9
STL6:40 pmLambert-St Louis
23h 00m
2 stops
ATH1:40 amAthens Eleftherios V.
Feb 19
ATH6:25 amAthens Eleftherios V.
25h 40m
2 stops
STL12:05 amLambert-St Louis
$481
Find similar
Lufthansa
Jan 16
STL3:50 pmLambert-St Louis
13h 50m
1 stop
ATH1:40 pmAthens Eleftherios V.
Jan 24
ATH6:30 amAthens Eleftherios V.
20h 57m
2 stops
STL7:27 pmLambert-St Louis
$647
Find similar
Lufthansa
Jan 16
STL1:15 pmLambert-St Louis
19h 20m
2 stops
ATH4:35 pmAthens Eleftherios V.
Jan 25
ATH6:15 amAthens Eleftherios V.
15h 40m
1 stop
STL1:55 pmLambert-St Louis
$695
Find similar

United Airlines flights from St. Louis to Athens

Our best United Airlines deals on St. Louis to Athens flight tickets
United Airlines
Feb 16
STL7:41 amLambert-St Louis
33h 59m
2 stops
ATH1:40 amAthens Eleftherios V.
Feb 25
ATH6:15 amAthens Eleftherios V.
23h 59m
3 stops
STL10:14 pmLambert-St Louis
$502
Find similar
United Airlines
Jan 30
STL3:50 pmLambert-St Louis
16h 45m
1 stop
ATH4:35 pmAthens Eleftherios V.
Feb 3
ATH6:25 amAthens Eleftherios V.
24h 33m
2 stops
STL10:58 pmLambert-St Louis
$510
Find similar
United Airlines
Apr 24
STL7:45 amLambert-St Louis
18h 50m
1 stop
ATH10:35 amAthens Eleftherios V.
Apr 30
ATH1:10 pmAthens Eleftherios V.
35h 16m
2 stops
STL4:26 pmLambert-St Louis
$819
Find similar

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 December 30, 2025.
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

Thu 3/5

4:05 pm-11:40 am

2 stops35h 35m

Athens Eleftherios V.

Thu 3/12

12:15 pm-2:43 pm

2 stops33h 28m

$479

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 3/5

7:41 am-10:20 am

2 stops18h 39m

Athens Eleftherios V.

Thu 3/12

12:15 pm-5:59 pm

2 stops36h 44m

$480

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 2/9

6:40 pm-1:40 am

2 stops23h 00m

Athens Eleftherios V.

Thu 2/19

6:25 am-12:05 am

2 stops25h 40m

$481

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 2/6

12:11 pm-3:55 pm

2 stops19h 44m

Athens Eleftherios V.

Fri 2/13

7:45 am-10:52 pm

2 stops23h 07m

$491

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 3/5

7:41 am-10:20 am

2 stops18h 39m

Athens Eleftherios V.

Thu 3/12

12:15 pm-3:29 pm

1 stop34h 14m

$492

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/8

7:41 am-10:40 am

2 stops19h 59m

Athens Eleftherios V.

Sun 3/15

10:55 am-3:29 pm

2 stops35h 34m

$493

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/8

6:59 pm-9:55 am

1 stop31h 56m

Athens Eleftherios V.

Sun 3/15

12:20 pm-9:06 pm

1 stop15h 46m

$495

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

4:05 pm-4:40 pm

2 stops16h 35m

Athens Eleftherios V.

Mon 3/9

12:15 pm-3:29 pm

1 stop34h 14m

$497

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 2/16

7:41 am-1:40 am

2 stops33h 59m

Athens Eleftherios V.

Wed 2/25

6:15 am-10:14 pm

3 stops23h 59m

$502

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 1/30

3:50 pm-4:35 pm

1 stop16h 45m

Athens Eleftherios V.

Tue 2/3

6:25 am-10:58 pm

2 stops24h 33m

$510

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 $694, 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 November is also very affordable. Most momondo users find prices during this month for around $716.

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 $968 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 3% 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

  • 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
American AirlinesPriceFrom $520Free CancellationRating
7.2
11,074 reviews
Search American Airlines flights
LufthansaPriceFrom $546Free CancellationRating
6.8
7,663 reviews
Search Lufthansa flights
British AirwaysPriceFrom $553Free CancellationRating
6.7
7,623 reviews
Search British Airways flights
DeltaPriceFrom $608Free CancellationRating
7.9
8,014 reviews
Search Delta flights
United AirlinesPriceFrom $652Free CancellationRating
7.4
9,121 reviews
Search United Airlines flights
Air CanadaPriceFrom $724Free CancellationRating
7.1
10,564 reviews
Search Air Canada flights
KLMPriceFrom $737Free CancellationRating
7.7
1,435 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
Aegina
Skala
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
American Airlines
KLM