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 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 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.

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.?

Delta is the most popular carrier operating from Lambert-St Louis to Athens Eleftherios V.

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 September 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.

$599 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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4:05 pm - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

34h 55m1 stop Toronto Pearson Intl

1:00 pm - 3:26 pmATH Athens Eleftherios V.-STL Lambert-St Louis

34h 26m1 stop Toronto Pearson Intl

$602Multiple Airlines

Mon, Nov 9 - Tue, Nov 24

4:05 pm - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

34h 55m1 stop Toronto Pearson Intl

1:00 pm - 3:26 pmATH Athens Eleftherios V.-STL Lambert-St Louis

34h 26m1 stop Toronto Pearson Intl

$608Air Canada

Sun, Nov 8 - Tue, Nov 24

6:00 am - 10:05 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

20h 05m1 stop Newark

1:00 pm - 9:52 pmATH Athens Eleftherios V.-STL Lambert-St Louis

40h 52m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$608United Airlines

Mon, Nov 9 - Wed, Nov 18

6:00 am - 10:05 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

20h 05m1 stop Newark

1:00 pm - 9:52 pmATH Athens Eleftherios V.-STL Lambert-St Louis

40h 52m2 stops Montreal Pierre Elliott Trudeau Intl Newark

$608United Airlines

Wed, Nov 11 - Wed, Nov 18

4:05 pm - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

58h 55m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

1:00 pm - 3:26 pmATH Athens Eleftherios V.-STL Lambert-St Louis

34h 26m1 stop Toronto Pearson Intl

$609Air Canada

Mon, Nov 9 - Tue, Nov 24

4:05 pm - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

34h 55m1 stop Toronto Pearson Intl

1:00 pm - 3:26 pmATH Athens Eleftherios V.-STL Lambert-St Louis

34h 26m1 stop Toronto Pearson Intl

$618Multiple Airlines

Sun, Nov 8 - Tue, Nov 24

11:34 am - 1:25 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

30h 51m2 stops Boston Logan Intl London Heathrow

1:00 pm - 11:04 pmATH Athens Eleftherios V.-STL Lambert-St Louis

18h 04m1 stop Philadelphia

$632British Airways

Tue, Mar 23 - Thu, Apr 1

11:31 am - 2:05 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

19h 34m2 stops Chicago O'Hare Intl London Heathrow

1:00 pm - 11:04 pmATH Athens Eleftherios V.-STL Lambert-St Louis

18h 04m1 stop Philadelphia

$632British Airways

Tue, Mar 23 - Thu, Apr 1

4:26 pm - 7:15 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

18h 49m2 stops Charlotte Douglas London Heathrow

7:40 am - 7:50 pmATH Athens Eleftherios V.-STL Lambert-St Louis

20h 10m2 stops London Heathrow Chicago O'Hare Intl

$637American Airlines

Sun, Nov 8 - Tue, Nov 24

5:29 pm - 7:15 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

17h 46m2 stops Chicago O'Hare Intl London Heathrow

7:40 am - 7:08 pmATH Athens Eleftherios V.-STL Lambert-St Louis

19h 28m2 stops London Heathrow Charlotte Douglas

$637American Airlines

Sun, Nov 8 - Tue, Nov 24

Cheap last minute flights

Enter your travel dates to find the best prices.

4:50 pm - 8:10 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

31h 20m1 stop Newark

6:00 am - 9:21 pmATH Athens Eleftherios V.-STL Lambert-St Louis

23h 21m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$756United Airlines

Sat, Sep 26 - Sun, Oct 11

5:36 pm - 10:10 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

32h 34m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

6:00 am - 9:21 pmATH Athens Eleftherios V.-STL Lambert-St Louis

23h 21m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$758United Airlines

Sat, Sep 26 - Sun, Oct 11

5:36 pm - 11:10 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

33h 34m2 stops Chicago O'Hare Intl Toronto Pearson Intl

6:00 am - 9:21 pmATH Athens Eleftherios V.-STL Lambert-St Louis

23h 21m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$767Multiple Airlines

Sat, Sep 26 - Sun, Oct 11

5:36 pm - 8:10 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

30h 34m2 stops Chicago O'Hare Intl Newark

11:45 am - 1:25 pmATH Athens Eleftherios V.-STL Lambert-St Louis

33h 40m1 stop Frankfurt am Main

$781United Airlines

Sat, Sep 26 - Sun, Oct 11

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

42h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

11:45 am - 1:25 pmATH Athens Eleftherios V.-STL Lambert-St Louis

33h 40m1 stop Frankfurt am Main

$784Multiple Airlines

Sat, Sep 26 - Sun, Oct 11

3:30 pm - 1:25 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

13h 55m1 stop Frankfurt am Main

7:30 pm - 10:59 pmATH Athens Eleftherios V.-STL Lambert-St Louis

35h 29m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$975Lufthansa

Sun, Sep 27 - Sun, Oct 4

12:20 pm - 9:00 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

24h 40m2 stops Newark Frankfurt am Main

7:30 pm - 10:59 pmATH Athens Eleftherios V.-STL Lambert-St Louis

35h 29m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$979Lufthansa

Sun, Sep 27 - Sun, Oct 4

6:40 am - 7:35 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 55m2 stops Detroit Metropolitan Wayne County Boston Logan Intl

10:05 am - 11:42 pmATH Athens Eleftherios V.-STL Lambert-St Louis

21h 37m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$1,138Delta

Thu, Sep 24 - Wed, Sep 30

12:10 pm - 5:40 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

21h 30m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main

6:45 am - 8:20 pmATH Athens Eleftherios V.-STL Lambert-St Louis

21h 35m2 stops Frankfurt am Main Toronto Pearson Intl

$1,154Air Canada

Thu, Sep 24 - Wed, Sep 30

12:10 pm - 10:10 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

14h 00m1 stop Montreal Pierre Elliott Trudeau Intl

12:45 pm - 2:00 pmATH Athens Eleftherios V.-STL Lambert-St Louis

33h 15m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$1,399Air Canada

Sun, Sep 27 - Wed, Sep 30

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American Airlines flights from St. Louis to Athens

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

American Airlines

Nov 8

STL5:29 pmLambert-St Louis

17h 46m

2 stops

ATH7:15 pmAthens Eleftherios V.

Nov 24

ATH7:40 amAthens Eleftherios V.

19h 28m

2 stops

STL7:08 pmLambert-St Louis

$637

American Airlines

Dec 1

STL9:56 amLambert-St Louis

20h 09m

2 stops

ATH2:05 pmAthens Eleftherios V.

Dec 8

ATH7:40 amAthens Eleftherios V.

19h 42m

2 stops

STL7:22 pmLambert-St Louis

$646

Delta flights from St. Louis to Athens

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

Delta

Nov 2

STL6:00 amLambert-St Louis

23h 40m

2 stops

ATH1:40 pmAthens Eleftherios V.

Nov 9

ATH2:40 pmAthens Eleftherios V.

34h 03m

2 stops

STL4:43 pmLambert-St Louis

$686

Delta

Sep 24

STL6:40 amLambert-St Louis

16h 55m

2 stops

ATH7:35 amAthens Eleftherios V.

Sep 30

ATH10:05 amAthens Eleftherios V.

21h 37m

2 stops

STL11:42 pmLambert-St Louis

$1,138

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 11/9

4:05 pm-11:00 am

1 stop34h 55m

Athens Eleftherios V.

Tue 11/24

1:00 pm-3:26 pm

1 stop34h 26m

$602

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 11/8

4:05 pm-11:00 am

1 stop34h 55m

Athens Eleftherios V.

Tue 11/24

1:00 pm-3:26 pm

1 stop34h 26m

$608

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 11/9

6:00 am-10:05 am

1 stop20h 05m

Athens Eleftherios V.

Wed 11/18

1:00 pm-9:52 pm

2 stops40h 52m

$608

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Wed 11/11

6:00 am-10:05 am

1 stop20h 05m

Athens Eleftherios V.

Wed 11/18

1:00 pm-9:52 pm

2 stops40h 52m

$608

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 11/9

4:05 pm-11:00 am

2 stops58h 55m

Athens Eleftherios V.

Tue 11/24

1:00 pm-3:26 pm

1 stop34h 26m

$609

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 11/8

4:05 pm-11:00 am

1 stop34h 55m

Athens Eleftherios V.

Tue 11/24

1:00 pm-3:26 pm

1 stop34h 26m

$618

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Tue 3/23

11:34 am-1:25 am

2 stops30h 51m

Athens Eleftherios V.

Thu 4/1

1:00 pm-11:04 pm

1 stop18h 04m

$632

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Tue 3/23

11:31 am-2:05 pm

2 stops19h 34m

Athens Eleftherios V.

Thu 4/1

1:00 pm-11:04 pm

1 stop18h 04m

$632

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 11/8

4:26 pm-7:15 pm

2 stops18h 49m

Athens Eleftherios V.

Tue 11/24

7:40 am-7:50 pm

2 stops20h 10m

$637

Quickest round-trip

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 11/8

5:29 pm-7:15 pm

2 stops17h 46m

Athens Eleftherios V.

Tue 11/24

7:40 am-7:08 pm

2 stops19h 28m

$637

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 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 $1,013 to $1,353.
The lowest price recently found on this route was $602.

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 $548.

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 $989 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 25% 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	$599
Fastest flight time	14h 00m
Direct flights	None

The best one-way flight to Athens from St. Louis in the past 72 hours is $599. The best round-trip flight deal from St. Louis to Athens found on momondo in the last 72 hours is $602.

The fastest flight from St. Louis to Athens takes 14h 00m

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. 14h 00m 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 September 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%), Lufthansa (20%), and British Airways (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 $493	Free Cancellation	Rating 6.8 8,238 reviews	Search Lufthansa flights
British Airways	PriceFrom $510	Free Cancellation	Rating 6.7 8,227 reviews	Search British Airways flights
American Airlines	PriceFrom $520	Free Cancellation	Rating 7.0 12,075 reviews	Search American Airlines flights
Delta	PriceFrom $549	Free Cancellation	Rating 7.8 8,590 reviews	Search Delta flights
United Airlines	PriceFrom $626	Free Cancellation	Rating 7.4 10,226 reviews	Search United Airlines flights
Air Canada	PriceFrom $802	Free Cancellation	Rating 7.1 11,668 reviews	Search Air Canada flights

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Porto Cheli

Marathon

Tolo

Megalochori

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Galaxidi

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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 $599

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 10/1. 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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American Airlines flights from St. Louis to Athens

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

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

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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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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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