What is the cheapest airline that flies from Lambert-St Louis to Athens Eleftherios V.?

Scandinavian Airlines and KLM are the most popular carriers operating from Lambert-St Louis to Athens Eleftherios V.

What airlines fly to Athens?

United Airlines, Air Canada and British Airways are the top three most popular airlines that fly to Athens from St. Louis according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Athens. Keep in mind that there are 7 different airlines that fly to Athens on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from St. Louis to Athens?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 12h 25m.

Which layover airport has the shortest connection time from St. Louis to Athens?

Toronto (YYZ) has the shortest average layover time for this route: 1h 48m.

Which airport is the most popular layover for flights between St. Louis and Athens?

Frankfurt am Main (FRA) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from St. Louis to Athens?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $734.

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?

There are 7 operators available for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport as of January 2026.

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.

$441 Cheap Flights from St. Louis to Athens in 2026

Q: What is the typical price of a round-trip flight between St. Louis and Athens?

Prices are currently low for flights on this route. Typical prices usually range from $502 to $734. The lowest price recently found on this route was $441.

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Find the cheapest flights from St. Louis to Athens

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:54 pm - 6:50 pm

STL

ATH

19h 56m2 stops

7:50 am - 10:44 pm

ATH

STL

22h 54m2 stops

$441British Airways

Wed, Feb 4 - Wed, Feb 11

4:05 pm - 4:35 pm

STL

ATH

16h 30m2 stops

12:15 pm - 3:29 pm

ATH

STL

34h 14m1 stop

$469Air Canada

Sun, Mar 1 - Mon, Mar 16

3:50 pm - 12:20 pm

STL

ATH

12h 30m1 stop

12:15 pm - 3:29 pm

ATH

STL

34h 14m1 stop

$474Multiple Airlines

Sun, Mar 1 - Mon, Mar 16

4:05 pm - 4:35 pm

STL

ATH

16h 30m2 stops

1:10 pm - 3:29 pm

ATH

STL

33h 19m2 stops

$481Air Canada

Sun, Mar 1 - Mon, Mar 16

7:41 am - 10:20 am

STL

ATH

18h 39m2 stops

12:15 pm - 2:43 pm

ATH

STL

33h 28m2 stops

$483Air Canada

Thu, Mar 5 - Thu, Mar 12

6:36 pm - 1:25 am

STL

ATH

22h 49m2 stops

7:50 pm - 11:48 pm

ATH

STL

34h 58m2 stops

$491British Airways

Sat, Feb 28 - Sun, Mar 8

6:35 am - 1:35 pm

STL

ATH

23h 00m2 stops

12:20 pm - 11:58 pm

ATH

STL

18h 38m1 stop

$494Delta

Fri, Feb 20 - Sun, Mar 15

4:05 pm - 11:40 am

STL

ATH

35h 35m2 stops

12:15 pm - 3:29 pm

ATH

STL

34h 14m1 stop

$496Air Canada

Thu, Mar 5 - Thu, Mar 12

7:41 am - 10:20 am

STL

ATH

18h 39m2 stops

12:15 pm - 3:29 pm

ATH

STL

34h 14m1 stop

$497Air Canada

Thu, Mar 5 - Thu, Mar 12

4:05 pm - 4:40 pm

STL

ATH

16h 35m2 stops

12:15 pm - 3:29 pm

ATH

STL

34h 14m1 stop

$501Multiple Airlines

Tue, Mar 3 - Mon, Mar 9

British Airways flights from St. Louis to Athens

Our best British Airways deals on St. Louis to Athens flight tickets

British Airways

Feb 4

STL2:54 pmLambert-St Louis

19h 56m

2 stops

ATH6:50 pmAthens Eleftherios V.

Feb 11

ATH7:50 amAthens Eleftherios V.

22h 54m

2 stops

STL10:44 pmLambert-St Louis

$441

Find similar

British Airways

Feb 28

STL10:43 amLambert-St Louis

24h 07m

2 stops

ATH6:50 pmAthens Eleftherios V.

Mar 8

ATH7:50 pmAthens Eleftherios V.

34h 58m

2 stops

STL11:48 pmLambert-St Louis

$491

Find similar

British Airways

Jan 23

STL3:37 pmLambert-St Louis

22h 18m

2 stops

ATH9:55 pmAthens Eleftherios V.

Jan 27

ATH7:35 amAthens Eleftherios V.

21h 40m

2 stops

STL9:15 pmLambert-St Louis

$508

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 18

STL8:30 amLambert-St Louis

19h 30m

2 stops

ATH12:00 pmAthens Eleftherios V.

Feb 25

ATH2:20 pmAthens Eleftherios V.

16h 39m

2 stops

STL10:59 pmLambert-St Louis

$503

Find similar

United Airlines

Jan 30

STL11:20 amLambert-St Louis

17h 35m

2 stops

ATH12:55 pmAthens Eleftherios V.

Feb 3

ATH6:25 amAthens Eleftherios V.

24h 33m

2 stops

STL10:58 pmLambert-St Louis

$704

Find similar

United Airlines

Jan 30

STL3:50 pmLambert-St Louis

13h 50m

1 stop

ATH1:40 pmAthens Eleftherios V.

Feb 3

ATH6:25 amAthens Eleftherios V.

21h 02m

2 stops

STL7:27 pmLambert-St Louis

$711

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 2/4

2:54 pm-6:50 pm

2 stops19h 56m

Athens Eleftherios V.

Wed 2/11

7:50 am-10:44 pm

2 stops22h 54m

$441

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/1

4:05 pm-4:35 pm

2 stops16h 30m

Athens Eleftherios V.

Mon 3/16

12:15 pm-3:29 pm

1 stop34h 14m

$469

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/1

3:50 pm-12:20 pm

1 stop12h 30m

Athens Eleftherios V.

Mon 3/16

12:15 pm-3:29 pm

1 stop34h 14m

$474

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/1

4:05 pm-4:35 pm

2 stops16h 30m

Athens Eleftherios V.

Mon 3/16

1:10 pm-3:29 pm

2 stops33h 19m

$481

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-2:43 pm

2 stops33h 28m

$483

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

6:36 pm-1:25 am

2 stops22h 49m

Athens Eleftherios V.

Sun 3/8

7:50 pm-11:48 pm

2 stops34h 58m

$491

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 2/20

6:35 am-1:35 pm

2 stops23h 00m

Athens Eleftherios V.

Sun 3/15

12:20 pm-11:58 pm

1 stop18h 38m

$494

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-3:29 pm

1 stop34h 14m

$496

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

$497

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

$501

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 $686, 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 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 $951 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	12h 30m
Direct flights	None

The fastest flight from St. Louis to Athens takes 12h 30m

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. 12h 30m 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?
There are 7 operators available for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport as of January 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Athens is United Airlines (41% of total bookings). The next most popular airlines are Air Canada (21%), British Airways (12%), and Delta (10%).

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 Airlines	PriceFrom $520	Free Cancellation	Rating 7.2 11,083 reviews	Search American Airlines flights
Lufthansa	PriceFrom $546	Free Cancellation	Rating 6.8 7,683 reviews	Search Lufthansa flights
British Airways	PriceFrom $553	Free Cancellation	Rating 6.7 7,657 reviews	Search British Airways flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.9 8,017 reviews	Search Delta flights
United Airlines	PriceFrom $652	Free Cancellation	Rating 7.4 9,132 reviews	Search United Airlines flights
Air Canada	PriceFrom $724	Free Cancellation	Rating 7.1 10,597 reviews	Search Air Canada flights
KLM	PriceFrom $737	Free Cancellation	Rating 7.7 1,434 reviews	Search KLM flights

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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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Cheap flights from St. Louis to Athens from $441

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 2/4. 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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Big names and deals

Filter for what you want

Filter for what you want

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British Airways flights from St. Louis to Athens

Our best British Airways deals on St. Louis to Athens flight tickets

United Airlines flights from St. Louis to Athens

Our best United Airlines deals on St. Louis to Athens flight tickets

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See travel insights to Athens from

How to get the cheapest flight ticket from St. Louis to Athens

What is the typical price of a round-trip flight between St. Louis and Athens?

What is the cheapest month to fly to Athens?

How far in advance should I book a flight to Athens?

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.

What is the cheapest airline that flies from Lambert-St Louis to Athens Eleftherios V.?

Scandinavian Airlines and KLM are the most popular carriers operating from Lambert-St Louis to Athens Eleftherios V.

What airlines fly to Athens?

Which airport is the most popular layover for flights between St. Louis and Athens?

Frankfurt am Main (FRA) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from St. Louis to Athens?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $734.

Which layover airport has the shortest travel time from St. Louis to Athens?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 12h 25m.

Which layover airport has the shortest connection time from St. Louis to Athens?

Toronto (YYZ) has the shortest average layover time for this route: 1h 48m.

When to book flights from St. Louis to Athens

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

Direct flights

How far is Lambert-St Louis to Athens Eleftherios V. by plane?

When did momondo last update prices for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport?

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?

What documentation or ID do you need to fly to Athens Eleftherios V. Airport?

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

Traveling to a place near Athens?

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Athens?

Can I find flights from St. Louis to Athens with flexible booking policies on momondo?

How can momondo help me find flights 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?

An easier way to manage your Athens trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Greece

Fly your favorite airline to Athens

Airlines are sorted and displayed according to clicks in the past 7 days on momondo