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

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

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 46% 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 airport is the most popular layover for flights between St. Louis and Athens?

Atlanta (ATL) was the most common stop: 38% 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 Montreal (YUL) offer the lowest average round-trip price of $858.

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 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 May 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.

$349 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 $1,488 to $1,083. The lowest price recently found on this route was $835.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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.

9:35 pm - 2:10 am

STL

ATH

20h 35m

1 stop

1:00 pm - 11:23 pm

ATH

STL

18h 23m

1 stop

$835British Airways

Tue, Aug 25 - Thu, Sep 3

9:35 pm - 2:10 am

STL

ATH

20h 35m

1 stop

12:00 pm - 11:54 pm

ATH

STL

19h 54m

1 stop

$836British Airways

Tue, Aug 25 - Thu, Sep 3

9:35 pm - 7:05 pm

STL

ATH

13h 30m

1 stop

1:00 pm - 11:59 pm

ATH

STL

18h 59m

2 stops

$844American Airlines

Tue, Aug 25 - Thu, Sep 3

9:40 pm - 7:55 pm

STL

ATH

14h 15m

1 stop

1:00 pm - 11:23 pm

ATH

STL

18h 23m

1 stop

$871British Airways

Sun, Aug 9 - Fri, Aug 21

5:32 pm - 11:10 am

STL

ATH

33h 38m

2 stops

12:10 pm - 12:49 pm

ATH

STL

32h 39m

2 stops

$876United Airlines

Tue, Aug 25 - Thu, Sep 3

12:10 pm - 1:25 pm

STL

ATH

17h 15m

1 stop

3:25 pm - 3:38 pm

ATH

STL

32h 13m

2 stops

$879Air Canada

Sun, Aug 9 - Fri, Aug 21

1:13 pm - 1:25 pm

STL

ATH

16h 12m

2 stops

3:25 pm - 3:38 pm

ATH

STL

32h 13m

2 stops

$884Air Canada

Sun, Aug 9 - Fri, Aug 21

12:30 pm - 2:55 pm

STL

ATH

18h 25m

2 stops

6:35 am - 9:22 pm

ATH

STL

22h 47m

2 stops

$888Lufthansa

Tue, Aug 25 - Thu, Sep 3

12:30 pm - 2:55 pm

STL

ATH

18h 25m

2 stops

6:00 am - 3:38 pm

ATH

STL

17h 38m

2 stops

$889Lufthansa

Tue, Aug 25 - Thu, Sep 3

1:18 pm - 6:40 pm

STL

ATH

21h 22m

2 stops

6:00 am - 11:37 pm

ATH

STL

25h 37m

2 stops

$892Lufthansa

Tue, Aug 25 - Thu, Sep 3

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Iberia flights from St. Louis to Athens

Our best Iberia deals on St. Louis to Athens flight tickets

Iberia

Aug 2

STL9:41 amLambert-St Louis

18h 04m

1 stop

ATH11:45 amAthens Eleftherios V.

Sep 23

ATH10:45 amAthens Eleftherios V.

17h 18m

1 stop

STL8:03 pmLambert-St Louis

$914

Iberia

Oct 3

STL8:07 pmLambert-St Louis

31h 28m

1 stop

ATH11:35 amAthens Eleftherios V.

Oct 13

ATH10:45 amAthens Eleftherios V.

17h 23m

1 stop

STL8:08 pmLambert-St Louis

$920

Iberia

Aug 6

STL10:16 amLambert-St Louis

17h 29m

1 stop

ATH11:45 amAthens Eleftherios V.

Aug 15

ATH2:00 pmAthens Eleftherios V.

17h 42m

1 stop

STL11:42 pmLambert-St Louis

$1,003

American Airlines flights from St. Louis to Athens

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

American Airlines

Aug 25

STL9:35 pmLambert-St Louis

13h 30m

1 stop

ATH7:05 pmAthens Eleftherios V.

Sep 3

ATH1:00 pmAthens Eleftherios V.

18h 59m

2 stops

STL11:59 pmLambert-St Louis

$844

American Airlines

Sep 1

STL6:03 amLambert-St Louis

18h 52m

1 stop

ATH8:55 amAthens Eleftherios V.

Sep 10

ATH6:55 amAthens Eleftherios V.

19h 07m

2 stops

STL6:02 pmLambert-St Louis

$922

American Airlines

Sep 1

STL8:34 amLambert-St Louis

19h 41m

1 stop

ATH12:15 pmAthens Eleftherios V.

Sep 10

ATH6:55 amAthens Eleftherios V.

19h 07m

2 stops

STL6:02 pmLambert-St Louis

$923

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:35 pm-2:10 am

1 stop20h 35m

Athens Eleftherios V.

Thu 9/3

1:00 pm-11:23 pm

1 stop18h 23m

$835

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

9:35 pm-2:10 am

1 stop20h 35m

Athens Eleftherios V.

Thu 9/3

12:00 pm-11:54 pm

1 stop19h 54m

$836

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

1:00 pm-11:59 pm

2 stops18h 59m

$844

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 8/9

9:40 pm-7:55 pm

1 stop14h 15m

Athens Eleftherios V.

Fri 8/21

1:00 pm-11:23 pm

1 stop18h 23m

$871

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

5:32 pm-11:10 am

2 stops33h 38m

Athens Eleftherios V.

Thu 9/3

12:10 pm-12:49 pm

2 stops32h 39m

$876

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 8/9

12:10 pm-1:25 pm

1 stop17h 15m

Athens Eleftherios V.

Fri 8/21

3:25 pm-3:38 pm

2 stops32h 13m

$879

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 8/9

1:13 pm-1:25 pm

2 stops16h 12m

Athens Eleftherios V.

Fri 8/21

3:25 pm-3:38 pm

2 stops32h 13m

$884

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

12:30 pm-2:55 pm

2 stops18h 25m

Athens Eleftherios V.

Thu 9/3

6:35 am-9:22 pm

2 stops22h 47m

$888

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

12:30 pm-2:55 pm

2 stops18h 25m

Athens Eleftherios V.

Thu 9/3

6:00 am-3:38 pm

2 stops17h 38m

$889

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 8/25

1:18 pm-6:40 pm

2 stops21h 22m

Athens Eleftherios V.

Thu 9/3

6:00 am-11:37 pm

2 stops25h 37m

$892

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 $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 $566.

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 $902 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 $741 on momondo.

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

You could potentially save up to 1% 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 50m
Direct flights	None

The fastest flight from St. Louis to Athens takes 12h 50m

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. 12h 50m 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 May 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 (36% of total bookings). The next most popular airlines are Air Canada (18%), British Airways (13%), and Lufthansa (11%).

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 7,965 reviews	Search Lufthansa flights
American Airlines	PriceFrom $520	Free Cancellation	Rating 7.1 11,673 reviews	Search American Airlines flights
British Airways	PriceFrom $553	Free Cancellation	Rating 6.7 7,940 reviews	Search British Airways flights
Delta	PriceFrom $554	Free Cancellation	Rating 7.9 8,460 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $588	Free Cancellation	Rating 7.4 1,767 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $643	Free Cancellation	Rating 7.4 9,683 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom $653	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
KLM	PriceFrom $653	Free Cancellation	Rating 7.8 1,509 reviews	Search KLM flights
Air Canada	PriceFrom $655	Free Cancellation	Rating 7.1 10,993 reviews	Search Air Canada flights

Piraeus

Glyfada

Hydra

Loutraki

Aegina

Skala

Marathon

Tolo

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 6/2

Tue 6/9

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Greece

Airlines

Cabin classes

Other Greece destinations

Other flights from St. Louis

Complete your trip

Feeling lucky

Fly your favorite airline to Athens

Scandinavian Airlines

Virgin Atlantic

Cheap flights from St. Louis to Athens from $349

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 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from St. Louis to Athens

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Iberia flights from St. Louis to Athens

Our best Iberia deals on St. Louis to Athens flight tickets

American Airlines flights from St. Louis to Athens

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

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to Athens that are best for you.

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 from St. Louis 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

Frequently asked questions about flying 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?

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

Cabin classes currently available on flights to Athens

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

Popular cities in Greece

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from St. Louis

According to popular flight searches on momondo this year

Complete your trip to Athens

Explore popular destinations other users love

According to popular flight searches on momondo this year