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.

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

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

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 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.

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.

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 October 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.

$549 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

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6:00 am - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

21h 00m2 stops Chicago O'Hare Intl Toronto Pearson Intl

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

15h 00m1 stop Frankfurt am Main

$722Multiple Airlines

Mon, Mar 1 - Wed, Mar 10

6:00 am - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

21h 00m2 stops Chicago O'Hare Intl Toronto Pearson Intl

1:55 pm - 3:26 pmATH Athens Eleftherios V.-STL Lambert-St Louis

57h 31m2 stops Zurich Toronto Pearson Intl

$730Multiple Airlines

Mon, Mar 1 - Wed, Mar 10

8:58 am - 10:05 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

18h 07m1 stop Newark

12:00 pm - 3:26 pmATH Athens Eleftherios V.-STL Lambert-St Louis

34h 26m1 stop Toronto Pearson Intl

$742United Airlines

Sun, Mar 14 - Tue, Mar 23

6:06 am - 12:05 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

21h 59m2 stops Newark Munich Franz Josef Strauss

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

15h 00m1 stop Frankfurt am Main

$743United Airlines

Mon, Feb 8 - Fri, Feb 26

8:33 am - 10:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

18h 27m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

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

39h 21m2 stops Zurich Toronto Pearson Intl

$747Air Canada

Sun, Mar 14 - Fri, Mar 19

6:00 am - 10:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

21h 00m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

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

39h 21m2 stops Zurich Toronto Pearson Intl

$747Air Canada

Sun, Mar 14 - Tue, Mar 23

1:17 pm - 1:40 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 23m2 stops Chicago O'Hare Intl Frankfurt am Main

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

15h 00m1 stop Frankfurt am Main

$749Lufthansa

Sun, Feb 7 - Fri, Feb 26

3:40 pm - 1:40 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

14h 00m1 stop Frankfurt am Main

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

15h 00m1 stop Frankfurt am Main

$750Lufthansa

Sun, Feb 7 - Fri, Feb 26

2:38 pm - 7:15 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

20h 37m2 stops Charlotte Douglas London Heathrow

7:15 am - 7:27 pmATH Athens Eleftherios V.-STL Lambert-St Louis

20h 12m2 stops Madrid Barajas Chicago O'Hare Intl

$801American Airlines

Sun, Feb 7 - Sat, Feb 27

11:56 am - 1:30 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

29h 34m2 stops Chicago O'Hare Intl London Heathrow

5:00 pm - 5:10 pmATH Athens Eleftherios V.-STL Lambert-St Louis

32h 10m2 stops London Heathrow Chicago O'Hare Intl

$809British Airways

Thu, Feb 11 - Mon, Feb 15

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United Airlines flights from St. Louis to Athens

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

United Airlines

Mar 14

STL8:58 amLambert-St Louis

18h 07m

1 stop

ATH10:05 amAthens Eleftherios V.

Mar 23

ATH12:00 pmAthens Eleftherios V.

34h 26m

1 stop

STL3:26 pmLambert-St Louis

$742

United Airlines

Feb 8

STL6:06 amLambert-St Louis

21h 59m

2 stops

ATH12:05 pmAthens Eleftherios V.

Feb 26

ATH6:45 amAthens Eleftherios V.

15h 00m

1 stop

STL1:45 pmLambert-St Louis

$743

United Airlines

Mar 14

STL7:00 amLambert-St Louis

20h 00m

2 stops

ATH10:00 amAthens Eleftherios V.

Mar 23

ATH12:00 pmAthens Eleftherios V.

34h 26m

1 stop

STL3:26 pmLambert-St Louis

$745

Lufthansa flights from St. Louis to Athens

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

Lufthansa

Feb 7

STL1:17 pmLambert-St Louis

16h 23m

2 stops

ATH1:40 pmAthens Eleftherios V.

Feb 26

ATH6:45 amAthens Eleftherios V.

15h 00m

1 stop

STL1:45 pmLambert-St Louis

$749

Lufthansa

Feb 7

STL3:40 pmLambert-St Louis

14h 00m

1 stop

ATH1:40 pmAthens Eleftherios V.

Feb 26

ATH6:45 amAthens Eleftherios V.

15h 00m

1 stop

STL1:45 pmLambert-St Louis

$750

Lufthansa

Feb 7

STL1:17 pmLambert-St Louis

19h 13m

2 stops

ATH4:30 pmAthens Eleftherios V.

Feb 28

ATH6:45 amAthens Eleftherios V.

15h 00m

1 stop

STL1:45 pmLambert-St Louis

$798

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

Mon 3/1

6:00 am-11:00 am

2 stops21h 00m

Athens Eleftherios V.

Wed 3/10

6:45 am-1:45 pm

1 stop15h 00m

$722

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 3/1

6:00 am-11:00 am

2 stops21h 00m

Athens Eleftherios V.

Wed 3/10

1:55 pm-3:26 pm

2 stops57h 31m

$730

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 3/14

8:58 am-10:05 am

1 stop18h 07m

Athens Eleftherios V.

Tue 3/23

12:00 pm-3:26 pm

1 stop34h 26m

$742

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 2/8

6:06 am-12:05 pm

2 stops21h 59m

Athens Eleftherios V.

Fri 2/26

6:45 am-1:45 pm

1 stop15h 00m

$743

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 3/14

8:33 am-10:00 am

2 stops18h 27m

Athens Eleftherios V.

Fri 3/19

7:05 am-3:26 pm

2 stops39h 21m

$747

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 3/14

6:00 am-10:00 am

2 stops21h 00m

Athens Eleftherios V.

Tue 3/23

7:05 am-3:26 pm

2 stops39h 21m

$747

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 2/7

1:17 pm-1:40 pm

2 stops16h 23m

Athens Eleftherios V.

Fri 2/26

6:45 am-1:45 pm

1 stop15h 00m

$749

Quickest round-trip

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 2/7

3:40 pm-1:40 pm

1 stop14h 00m

Athens Eleftherios V.

Fri 2/26

6:45 am-1:45 pm

1 stop15h 00m

$750

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 2/7

2:38 pm-7:15 pm

2 stops20h 37m

Athens Eleftherios V.

Sat 2/27

7:15 am-7:27 pm

2 stops20h 12m

$801

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Thu 2/11

11:56 am-1:30 am

2 stops29h 34m

Athens Eleftherios V.

Mon 2/15

5:00 pm-5:10 pm

2 stops32h 10m

$809

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 low for flights on this route.

Typical prices usually range from $765 to $1,150.
The lowest price recently found on this route was $722.

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 $1,017 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.

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	$549
Fastest flight time	16h 06m
Direct flights	None

The best one-way flight to Athens from St. Louis in the past 72 hours is $549. The best round-trip flight deal from St. Louis to Athens found on momondo in the last 72 hours is $722.

The fastest flight from St. Louis to Athens takes 16h 06m

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 06m 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 October 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 8,285 reviews	Search Lufthansa flights
British Airways	PriceFrom $510	Free Cancellation	Rating 6.7 8,269 reviews	Search British Airways flights
American Airlines	PriceFrom $520	Free Cancellation	Rating 7.0 12,183 reviews	Search American Airlines flights
Delta	PriceFrom $554	Free Cancellation	Rating 7.8 8,661 reviews	Search Delta flights
United Airlines	PriceFrom $685	Free Cancellation	Rating 7.3 10,396 reviews	Search United Airlines flights
Air Canada	PriceFrom $741	Free Cancellation	Rating 7.1 11,791 reviews	Search Air Canada flights

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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.

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Cheap flights from St. Louis to Athens from $549

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 12/28. 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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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

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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 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

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

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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.

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

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According to popular flight searches on momondo this year

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