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 39m.

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

British Airways and Emirates 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: 12h 50m.

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

Frankfurt am Main (FRA) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

What airlines fly to Athens?

United Airlines, Air Canada and Lufthansa 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 42% of people opting to fly with this airline when traveling to Athens. Keep in mind that there are 6 different airlines that fly to Athens on a routine basis, so you have a few additional options to choose from.

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

$454 Cheap Flights from St. Louis to Athens in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Athens

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:40 pm - 9:20 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

21h 40m1 stop Frankfurt am Main

6:40 am - 11:19 pmATH Athens Eleftherios V.-STL Lambert-St Louis

23h 39m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$749Lufthansa

Wed, Mar 17 - Tue, Mar 23

7:04 pm - 12:40 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

34h 36m2 stops Chicago O'Hare Intl Frankfurt am Main

6:40 am - 1:25 pmATH Athens Eleftherios V.-STL Lambert-St Louis

14h 45m1 stop Frankfurt am Main

$752Lufthansa

Sat, Mar 20 - Fri, Apr 2

10:55 am - 12:55 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

18h 00m2 stops Chicago O'Hare Intl Zurich

6:45 am - 1:45 pmATH Athens Eleftherios V.-STL Lambert-St Louis

15h 00m1 stop Frankfurt am Main

$752United Airlines

Mon, Feb 22 - Fri, Feb 26

4:05 pm - 10:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

34h 55m1 stop Toronto Pearson Intl

7:05 am - 3:26 pmATH Athens Eleftherios V.-STL Lambert-St Louis

39h 21m2 stops Zurich Toronto Pearson Intl

$757Multiple Airlines

Mon, Mar 22 - Fri, Mar 26

4:05 pm - 10:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

34h 55m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

6:55 am - 3:26 pmATH Athens Eleftherios V.-STL Lambert-St Louis

40h 31m2 stops Zurich Toronto Pearson Intl

$761Multiple Airlines

Sat, Mar 20 - Fri, Apr 2

7:00 am - 10:05 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

20h 05m2 stops Chicago O'Hare Intl Newark

6:40 am - 4:56 pmATH Athens Eleftherios V.-STL Lambert-St Louis

17h 16m2 stops Munich Franz Josef Strauss Newark

$762United Airlines

Mon, Mar 22 - Fri, Mar 26

6:32 am - 9:35 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

19h 03m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

11:45 am - 9:01 amATH Athens Eleftherios V.-STL Lambert-St Louis

29h 16m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$835Delta

Wed, Dec 9 - Wed, Dec 16

3:45 pm - 10:00 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

22h 15m2 stops Dallas/Fort Worth London Heathrow

7:40 am - 8:46 pmATH Athens Eleftherios V.-STL Lambert-St Louis

21h 06m2 stops London Heathrow Chicago O'Hare Intl

$880British Airways

Fri, Jan 22 - Tue, Feb 16

9:25 pm - 11:50 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

30h 25m1 stop London Heathrow

3:25 pm - 7:30 pmATH Athens Eleftherios V.-STL Lambert-St Louis

36h 05m1 stop London Heathrow

$1,026British Airways

Thu, Apr 8 - Mon, Apr 19

6:00 am - 1:40 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

23h 40m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

6:10 am - 11:55 pmATH Athens Eleftherios V.-STL Lambert-St Louis

25h 45m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,661Delta

Fri, Dec 18 - Sat, Dec 26

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

United Airlines flights from St. Louis to Athens

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

United Airlines

Feb 22

STL10:55 amLambert-St Louis

18h 00m

2 stops

ATH12:55 pmAthens Eleftherios V.

Feb 26

ATH6:45 amAthens Eleftherios V.

15h 00m

1 stop

STL1:45 pmLambert-St Louis

$752

United Airlines

Feb 22

STL1:08 pmLambert-St Louis

15h 47m

2 stops

ATH12:55 pmAthens Eleftherios V.

Feb 26

ATH6:45 amAthens Eleftherios V.

20h 39m

2 stops

STL7:24 pmLambert-St Louis

$762

United Airlines

Mar 17

STL4:40 pmLambert-St Louis

21h 40m

1 stop

ATH9:20 pmAthens Eleftherios V.

Mar 23

ATH7:05 amAthens Eleftherios V.

21h 08m

2 stops

STL9:13 pmLambert-St Louis

$770

Lufthansa flights from St. Louis to Athens

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

Lufthansa

Mar 17

STL4:40 pmLambert-St Louis

21h 40m

1 stop

ATH9:20 pmAthens Eleftherios V.

Mar 23

ATH6:40 amAthens Eleftherios V.

23h 39m

2 stops

STL11:19 pmLambert-St Louis

$749

Lufthansa

Mar 17

STL1:00 pmLambert-St Louis

20h 30m

2 stops

ATH4:30 pmAthens Eleftherios V.

Mar 23

ATH6:40 amAthens Eleftherios V.

23h 39m

2 stops

STL11:19 pmLambert-St Louis

$753

Lufthansa

Dec 9

STL3:40 pmLambert-St Louis

14h 00m

1 stop

ATH1:40 pmAthens Eleftherios V.

Dec 16

ATH6:45 amAthens Eleftherios V.

15h 00m

1 stop

STL1:45 pmLambert-St Louis

$851

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Wed 3/17

4:40 pm-9:20 pm

1 stop21h 40m

Athens Eleftherios V.

Tue 3/23

6:40 am-11:19 pm

2 stops23h 39m

$749

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sat 3/20

7:04 pm-12:40 pm

2 stops34h 36m

Athens Eleftherios V.

Fri 4/2

6:40 am-1:25 pm

1 stop14h 45m

$752

Quickest round-trip

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 2/22

10:55 am-12:55 pm

2 stops18h 00m

Athens Eleftherios V.

Fri 2/26

6:45 am-1:45 pm

1 stop15h 00m

$752

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 3/22

4:05 pm-10:00 am

1 stop34h 55m

Athens Eleftherios V.

Fri 3/26

7:05 am-3:26 pm

2 stops39h 21m

$757

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sat 3/20

4:05 pm-10:00 am

2 stops34h 55m

Athens Eleftherios V.

Fri 4/2

6:55 am-3:26 pm

2 stops40h 31m

$761

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 3/22

7:00 am-10:05 am

2 stops20h 05m

Athens Eleftherios V.

Fri 3/26

6:40 am-4:56 pm

2 stops17h 16m

$762

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Wed 12/9

6:32 am-9:35 am

2 stops19h 03m

Athens Eleftherios V.

Wed 12/16

11:45 am-9:01 am

2 stops29h 16m

$835

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Fri 1/22

3:45 pm-10:00 pm

2 stops22h 15m

Athens Eleftherios V.

Tue 2/16

7:40 am-8:46 pm

2 stops21h 06m

$880

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Thu 4/8

9:25 pm-11:50 am

1 stop30h 25m

Athens Eleftherios V.

Mon 4/19

3:25 pm-7:30 pm

1 stop36h 05m

$1,026

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Fri 12/18

6:00 am-1:40 pm

2 stops23h 40m

Athens Eleftherios V.

Sat 12/26

6:10 am-11:55 pm

2 stops25h 45m

$1,661

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $502 to $884.
The lowest price recently found on this route was $828.

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 $505, 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 $1,032 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 $821 on momondo.

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

You could potentially save up to 39% on your flight if you consider stops on a St. Louis to Athens flight.

How have St. Louis to Athens flight prices changed over time?

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

Best Price Found	$454
Fastest flight time	16h 45m
Direct flights	None

The best one-way flight to Athens from St. Louis in the past 72 hours is $454. The best round-trip flight deal from St. Louis to Athens found on momondo in the last 72 hours is $749.

The fastest flight from St. Louis to Athens takes 16h 45m

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. 16h 45m 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 6 operators available for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport as of November 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 (21%), Lufthansa (20%), and British Airways (9%).

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 $493	Free Cancellation	Rating 6.8 8,298 reviews	Search Lufthansa flights
British Airways	PriceFrom $510	Free Cancellation	Rating 6.7 8,282 reviews	Search British Airways flights
American Airlines	PriceFrom $520	Free Cancellation	Rating 7.0 12,232 reviews	Search American Airlines flights
Delta	PriceFrom $558	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
United Airlines	PriceFrom $685	Free Cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights
Air Canada	PriceFrom $741	Free Cancellation	Rating 7.1 11,854 reviews	Search Air Canada flights

Piraeus

Glyfada

Hydra

Loutraki

Aegina

Corinth

Skala

Chalcis

Porto Cheli

Marathon

Tolo

Megalochori

Agia Marina

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.

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

Thu 12/3

Thu 12/10

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

Cheap flights from St. Louis to Athens from $454

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 1/11. 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

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

United Airlines flights from St. Louis to Athens

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

Lufthansa flights from St. Louis to Athens

Our best Lufthansa 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?

How have St. Louis to Athens flight prices changed over time?

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

Best Price Found

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