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Cheap flights from St. Louis to Athens from $353

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 8/23. 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.
Multiple Airlines Logo
1:20 pm - 6:55 pm
STL
-
ATH
21h 35m
2 stops
Multiple Airlines Logo
4:55 pm - 7:30 pm
ATH
-
STL
34h 35m
2 stops
$814Multiple 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
12:00 pm - 11:54 pm
ATH
-
STL
19h 54m
1 stop
$828British Airways
Tue, Aug 25 - Thu, Sep 3
British Airways Logo
6:45 pm - 6:55 pm
STL
-
ATH
16h 10m
2 stops
British Airways Logo
4:55 pm - 7:27 pm
ATH
-
STL
34h 32m
2 stops
$829British Airways
Mon, Nov 2 - Mon, Nov 9
British Airways Logo
9:35 pm - 7:05 pm
STL
-
ATH
13h 30m
1 stop
British Airways Logo
12:00 pm - 11:54 pm
ATH
-
STL
19h 54m
1 stop
$830British Airways
Tue, Aug 25 - Thu, Sep 3
British Airways Logo
9:31 am - 11:00 am
STL
-
ATH
17h 29m
1 stop
British Airways Logo
12:00 pm - 7:42 pm
ATH
-
STL
15h 42m
1 stop
$835British 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 - 10:25 pm
ATH
-
STL
19h 10m
2 stops
$843American Airlines
Tue, Aug 25 - Thu, Sep 3
United Airlines Logo
4:15 pm - 11:00 am
STL
-
ATH
34h 45m
1 stop
United Airlines Logo
1:00 pm - 10:06 pm
ATH
-
STL
41h 06m
2 stops
$848United Airlines
Mon, Nov 2 - Mon, Nov 9
American Airlines Logo
9:35 pm - 7:05 pm
STL
-
ATH
13h 30m
1 stop
American Airlines Logo
7:25 am - 7:27 pm
ATH
-
STL
20h 02m
2 stops
$858American Airlines
Tue, Aug 25 - Thu, Sep 3
Air Canada Logo
4:15 pm - 11:00 am
STL
-
ATH
34h 45m
1 stop
Air Canada Logo
1:00 pm - 3:30 pm
ATH
-
STL
34h 30m
1 stop
$862Air Canada
Mon, Nov 2 - Mon, Nov 9
Air Canada Logo
8:00 am - 10:10 am
STL
-
ATH
18h 10m
2 stops
Air Canada Logo
12:10 pm - 3:38 pm
ATH
-
STL
35h 28m
2 stops
$865Air Canada
Tue, Aug 25 - Thu, Sep 3

Lufthansa flights from St. Louis to Athens

Our best Lufthansa deals on St. Louis to Athens flight tickets
Lufthansa
Oct 21
STL1:29 pmLambert-St Louis
14h 26m
2 stops
ATH11:55 amAthens Eleftherios V.
Oct 27
ATH2:30 pmAthens Eleftherios V.
17h 04m
2 stops
STL12:34 amLambert-St Louis
$886
Lufthansa
Aug 25
STL8:40 amLambert-St Louis
20h 45m
2 stops
ATH1:25 pmAthens Eleftherios V.
Sep 3
ATH6:35 amAthens Eleftherios V.
24h 24m
2 stops
STL10:59 pmLambert-St Louis
$888
Lufthansa
Sep 12
STL6:54 pmLambert-St Louis
31h 41m
1 stop
ATH10:35 amAthens Eleftherios V.
Sep 25
ATH1:10 pmAthens Eleftherios V.
32h 50m
1 stop
STL2:00 pmLambert-St Louis
$945

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
34h 45m
1 stop
ATH11:00 amAthens Eleftherios V.
Nov 9
ATH1:00 pmAthens Eleftherios V.
41h 06m
2 stops
STL10:06 pmLambert-St Louis
$848
United Airlines
Aug 25
STL5:30 pmLambert-St Louis
33h 40m
2 stops
ATH11:10 amAthens Eleftherios V.
Sep 3
ATH12:10 pmAthens Eleftherios V.
31h 52m
2 stops
STL12:02 pmLambert-St Louis
$874
United Airlines
Aug 12
STL12:10 pmLambert-St Louis
14h 00m
1 stop
ATH10:10 amAthens Eleftherios V.
Aug 26
ATH3:25 pmAthens Eleftherios V.
32h 13m
2 stops
STL3:38 pmLambert-St Louis
$879

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 27, 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

1:20 pm-6:55 pm

2 stops21h 35m

Athens Eleftherios V.

Mon 11/9

4:55 pm-7:30 pm

2 stops34h 35m

$814

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

12:00 pm-11:54 pm

1 stop19h 54m

$828

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/2

6:45 pm-6:55 pm

2 stops16h 10m

Athens Eleftherios V.

Mon 11/9

4:55 pm-7:27 pm

2 stops34h 32m

$829

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

12:00 pm-11:54 pm

1 stop19h 54m

$830

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:31 am-11:00 am

1 stop17h 29m

Athens Eleftherios V.

Thu 9/3

12:00 pm-7:42 pm

1 stop15h 42m

$835
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

11:15 am-10:25 pm

2 stops19h 10m

$843

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/2

4:15 pm-11:00 am

1 stop34h 45m

Athens Eleftherios V.

Mon 11/9

1:00 pm-10:06 pm

2 stops41h 06m

$848

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

7:25 am-7:27 pm

2 stops20h 02m

$858

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/2

4:15 pm-11:00 am

1 stop34h 45m

Athens Eleftherios V.

Mon 11/9

1:00 pm-3:30 pm

1 stop34h 30m

$862

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

8:00 am-10:10 am

2 stops18h 10m

Athens Eleftherios V.

Thu 9/3

12:10 pm-3:38 pm

2 stops35h 28m

$865

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 $583.

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 $898 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 $799 on momondo.

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
8,032 reviews
Search Lufthansa flights
American AirlinesPriceFrom $520Free CancellationRating
7.1
11,642 reviews
Search American Airlines flights
DeltaPriceFrom $549Free CancellationRating
7.9
8,423 reviews
Search Delta flights
British AirwaysPriceFrom $576Free CancellationRating
6.7
8,006 reviews
Search British Airways flights
United AirlinesPriceFrom $649Free CancellationRating
7.4
9,753 reviews
Search United Airlines flights
Air CanadaPriceFrom $655Free CancellationRating
7.1
11,091 reviews
Search Air Canada flights
KLMPriceFrom $814Free CancellationRating
7.8
1,522 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.

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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