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

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 13h 05m.

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 47% of people opting to fly with this airline when traveling to Athens. Keep in mind that there are 9 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 connection time from St. Louis to Athens?

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

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

Flights via Montreal (YUL) offer the lowest average round-trip price of $858.

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

Aer Lingus, United Airlines, and Delta are the most popular carriers operating from Lambert-St Louis to Athens Eleftherios V.

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

Philadelphia (PHL) was the most common stop: 22% of momondo users choosing 1-stop flights on this route connected there.

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 9 operators available for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport as of March 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.

$359 Cheap Flights from St. Louis to Athens in 2026

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Find the cheapest flights from St. Louis to Athens

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One-way

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Cheap round-trip flights

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7:09 pm - 11:05 pm

STL

ATH

19h 56m

2 stops

6:45 am - 9:13 pm

ATH

STL

22h 28m

2 stops

$882Lufthansa

Mon, May 4 - Tue, May 12

11:42 am - 6:40 pm

STL

ATH

22h 58m

2 stops

7:55 am - 11:36 pm

ATH

STL

23h 41m

2 stops

$897Scandinavian Airlines

Tue, Apr 21 - Tue, Apr 28

1:02 pm - 6:40 pm

STL

ATH

21h 38m

2 stops

7:30 pm - 9:29 pm

ATH

STL

33h 59m

2 stops

$905Scandinavian Airlines

Sun, Apr 26 - Mon, May 11

7:45 am - 10:35 am

STL

ATH

18h 50m

1 stop

3:25 pm - 4:39 pm

ATH

STL

33h 14m

2 stops

$911United Airlines

Mon, Apr 27 - Fri, May 15

9:35 pm - 2:25 am

STL

ATH

20h 50m

1 stop

11:15 am - 10:19 pm

ATH

STL

19h 04m

1 stop

$919Multiple Airlines

Wed, Apr 29 - Fri, May 15

10:25 am - 10:35 am

STL

ATH

16h 10m

1 stop

1:10 pm - 8:04 pm

ATH

STL

14h 54m

1 stop

$924United Airlines

Mon, May 4 - Tue, May 12

2:20 pm - 10:10 am

STL

ATH

35h 50m

2 stops

12:10 pm - 8:25 pm

ATH

STL

16h 15m

1 stop

$926Air Canada

Mon, May 4 - Tue, May 12

7:09 pm - 10:10 am

STL

ATH

31h 01m

2 stops

1:10 pm - 12:06 pm

ATH

STL

30h 56m

1 stop

$928United Airlines

Mon, May 4 - Tue, May 12

7:45 am - 10:00 am

STL

ATH

18h 15m

2 stops

3:25 pm - 12:06 pm

ATH

STL

28h 41m

1 stop

$929United Airlines

Wed, May 6 - Wed, May 13

1:03 pm - 11:00 am

STL

ATH

13h 57m

1 stop

10:05 am - 9:29 pm

ATH

STL

19h 24m

2 stops

$930Delta

Wed, May 6 - Wed, May 13

United Airlines flights from St. Louis to Athens

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

United Airlines

Apr 27

STL7:45 amLambert-St Louis

18h 50m

1 stop

ATH10:35 amAthens Eleftherios V.

May 15

ATH3:25 pmAthens Eleftherios V.

33h 14m

2 stops

STL4:39 pmLambert-St Louis

$911

United Airlines

May 4

STL10:25 amLambert-St Louis

16h 10m

1 stop

ATH10:35 amAthens Eleftherios V.

May 12

ATH1:10 pmAthens Eleftherios V.

14h 54m

1 stop

STL8:04 pmLambert-St Louis

$924

United Airlines

May 4

STL7:09 pmLambert-St Louis

31h 01m

2 stops

ATH10:10 amAthens Eleftherios V.

May 12

ATH1:10 pmAthens Eleftherios V.

30h 56m

1 stop

STL12:06 pmLambert-St Louis

$928

Air Canada flights from St. Louis to Athens

Our best Air Canada deals on St. Louis to Athens flight tickets

Air Canada

May 4

STL2:20 pmLambert-St Louis

35h 50m

2 stops

ATH10:10 amAthens Eleftherios V.

May 12

ATH12:10 pmAthens Eleftherios V.

16h 15m

1 stop

STL8:25 pmLambert-St Louis

$926

Air Canada

May 11

STL7:05 amLambert-St Louis

20h 05m

1 stop

ATH11:10 amAthens Eleftherios V.

May 26

ATH12:10 pmAthens Eleftherios V.

35h 36m

2 stops

STL3:46 pmLambert-St Louis

$1,000

Air Canada

Mar 12

STL6:25 amLambert-St Louis

19h 55m

2 stops

ATH9:20 amAthens Eleftherios V.

Mar 14

ATH12:15 pmAthens Eleftherios V.

34h 14m

1 stop

STL3:29 pmLambert-St Louis

$1,621

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 5/4

7:09 pm-11:05 pm

2 stops19h 56m

Athens Eleftherios V.

Tue 5/12

6:45 am-9:13 pm

2 stops22h 28m

$882

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 4/21

11:42 am-6:40 pm

2 stops22h 58m

Athens Eleftherios V.

Tue 4/28

7:55 am-11:36 pm

2 stops23h 41m

$897

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 4/26

1:02 pm-6:40 pm

2 stops21h 38m

Athens Eleftherios V.

Mon 5/11

7:30 pm-9:29 pm

2 stops33h 59m

$905

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 4/27

7:45 am-10:35 am

1 stop18h 50m

Athens Eleftherios V.

Fri 5/15

3:25 pm-4:39 pm

2 stops33h 14m

$911

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 4/29

9:35 pm-2:25 am

1 stop20h 50m

Athens Eleftherios V.

Fri 5/15

11:15 am-10:19 pm

1 stop19h 04m

$919

Quickest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 5/4

10:25 am-10:35 am

1 stop16h 10m

Athens Eleftherios V.

Tue 5/12

1:10 pm-8:04 pm

1 stop14h 54m

$924

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 5/4

2:20 pm-10:10 am

2 stops35h 50m

Athens Eleftherios V.

Tue 5/12

12:10 pm-8:25 pm

1 stop16h 15m

$926

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 5/4

7:09 pm-10:10 am

2 stops31h 01m

Athens Eleftherios V.

Tue 5/12

1:10 pm-12:06 pm

1 stop30h 56m

$928

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 5/6

7:45 am-10:00 am

2 stops18h 15m

Athens Eleftherios V.

Wed 5/13

3:25 pm-12:06 pm

1 stop28h 41m

$929

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 5/6

1:03 pm-11:00 am

1 stop13h 57m

Athens Eleftherios V.

Wed 5/13

10:05 am-9:29 pm

2 stops19h 24m

$930

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 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 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 $881 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 $706 on momondo.

Can stopping save me money on St. Louis to Athens flights?

You could potentially save up to 35% 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 22m
Direct flights	None

The fastest flight from St. Louis to Athens takes 13h 22m

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 22m 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 9 operators available for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport as of March 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 (37% of total bookings). The next most popular airlines are Air Canada (20%), 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
Lufthansa	PriceFrom $483	Free Cancellation	Rating 6.8 7,840 reviews	Search Lufthansa flights
American Airlines	PriceFrom $520	Free Cancellation	Rating 7.1 11,414 reviews	Search American Airlines flights
British Airways	PriceFrom $553	Free Cancellation	Rating 6.7 7,781 reviews	Search British Airways flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.9 8,276 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $588	Free Cancellation	Rating 7.3 1,708 reviews	Search Scandinavian Airlines flights
Air Canada	PriceFrom $647	Free Cancellation	Rating 7.1 10,800 reviews	Search Air Canada flights
United Airlines	PriceFrom $649	Free Cancellation	Rating 7.4 9,409 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom $653	Free Cancellation	Rating 7.5 680 reviews	Search Virgin Atlantic flights
KLM	PriceFrom $814	Free Cancellation	Rating 7.8 1,468 reviews	Search KLM flights

Piraeus

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Marathon

Hydra

Skala

Loutraki

Aegina

Tolo

Corinth

Agia Marina

Chalcis

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 $350

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 8/2. 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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How to get the cheapest flight ticket from St. Louis to 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?

What is the cheapest airline that flies 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?

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

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

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

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

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?

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

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List of cabin classes available on flights landing in Athens. Availability may vary depending on flight origin and airline.

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