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 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.

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.?

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

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 43% 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 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.

$405 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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6:50 pm - 1:30 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

23h 40m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:40 am - 9:40 pmATH Athens Eleftherios V.-STL Lambert-St Louis

23h 00m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$692Lufthansa

Mon, Oct 26 - Mon, Nov 2

1:00 pm - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

38h 00m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl

1:25 pm - 9:52 pmATH Athens Eleftherios V.-STL Lambert-St Louis

40h 27m2 stops Vienna Intl Newark

$700United Airlines

Sat, Nov 7 - Sat, Nov 14

11:29 am - 9:05 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

14h 36m1 stop Newark

6:40 am - 9:40 pmATH Athens Eleftherios V.-STL Lambert-St Louis

23h 00m2 stops Munich Franz Josef Strauss Chicago O'Hare Intl

$702Lufthansa

Mon, Oct 26 - Mon, Nov 2

8:00 am - 12:55 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

20h 55m2 stops Washington, D.C. Dulles Intl Zurich

7:05 am - 9:40 pmATH Athens Eleftherios V.-STL Lambert-St Louis

22h 35m2 stops Zurich Chicago O'Hare Intl

$717SWISS

Mon, Nov 2 - Mon, Nov 9

8:33 am - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

18h 27m2 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

$723Multiple Airlines

Tue, Mar 2 - Wed, Mar 10

9:44 am - 10:05 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 21m1 stop Newark

12:25 pm - 10:54 pmATH Athens Eleftherios V.-STL Lambert-St Louis

18h 29m1 stop Newark

$728United Airlines

Sat, Nov 7 - Sat, Nov 14

1:06 pm - 1:25 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

29h 19m2 stops Chicago O'Hare Intl London Heathrow

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

18h 04m1 stop Philadelphia

$743British Airways

Tue, Mar 23 - Thu, Apr 1

5:27 pm - 3:55 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

39h 28m2 stops Chicago O'Hare Intl London Heathrow

7:30 pm - 10:05 pmATH Athens Eleftherios V.-STL Lambert-St Louis

34h 35m2 stops London Heathrow Dallas/Fort Worth

$774British Airways

Sun, Mar 21 - Mon, Mar 29

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 - 2:34 pmATH Athens Eleftherios V.-STL Lambert-St Louis

33h 34m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$800Air Canada

Mon, Nov 9 - Wed, Nov 18

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

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

1:00 pm - 3:43 pmATH Athens Eleftherios V.-STL Lambert-St Louis

34h 43m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$805Air Canada

Tue, Nov 10 - Tue, Nov 17

Cheap last minute flights

Enter your travel dates to find the best prices.

3:30 pm - 9:00 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

21h 30m1 stop Frankfurt am Main

6:00 am - 1:25 pmATH Athens Eleftherios V.-STL Lambert-St Louis

15h 25m2 stops Munich Franz Josef Strauss Frankfurt am Main

$918Lufthansa

Wed, Sep 30 - Tue, Oct 6

7:05 am - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

19h 55m1 stop Atlanta Hartsfield-Jackson

9:45 am - 11:54 pmATH Athens Eleftherios V.-STL Lambert-St Louis

22h 09m1 stop Atlanta Hartsfield-Jackson

$1,073Delta

Sun, Oct 4 - Thu, Oct 22

10:05 am - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 55m1 stop Atlanta Hartsfield-Jackson

9:45 am - 11:54 pmATH Athens Eleftherios V.-STL Lambert-St Louis

22h 09m1 stop Atlanta Hartsfield-Jackson

$1,073KLM

Sun, Oct 4 - Wed, Oct 21

10:05 am - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 55m1 stop Atlanta Hartsfield-Jackson

11:30 am - 9:23 pmATH Athens Eleftherios V.-STL Lambert-St Louis

17h 53m1 stop Atlanta Hartsfield-Jackson

$1,073Air France

Wed, Sep 30 - Tue, Oct 6

10:05 am - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 55m1 stop Atlanta Hartsfield-Jackson

9:45 am - 11:54 pmATH Athens Eleftherios V.-STL Lambert-St Louis

22h 09m1 stop Atlanta Hartsfield-Jackson

$1,073Delta

Sun, Oct 4 - Tue, Oct 20

11:35 am - 1:40 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

18h 05m2 stops Chicago O'Hare Intl Toronto Pearson Intl

6:55 am - 8:20 pmATH Athens Eleftherios V.-STL Lambert-St Louis

21h 25m2 stops Zurich Toronto Pearson Intl

$1,077Air Canada

Wed, Sep 30 - Tue, Oct 6

5:18 pm - 11:35 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

34h 17m1 stop Chicago O'Hare Intl

10:45 am - 12:19 amATH Athens Eleftherios V.-STL Lambert-St Louis

21h 34m1 stop Chicago O'Hare Intl

$1,079British Airways

Sat, Oct 3 - Thu, Oct 22

5:18 pm - 11:35 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

34h 17m1 stop Chicago O'Hare Intl

7:25 am - 8:57 pmATH Athens Eleftherios V.-STL Lambert-St Louis

21h 32m2 stops London Heathrow Chicago O'Hare Intl

$1,121British Airways

Sat, Oct 3 - Thu, Oct 22

2:40 pm - 10:10 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

35h 30m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

1:10 pm - 2:17 pmATH Athens Eleftherios V.-STL Lambert-St Louis

33h 07m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$1,174Air Canada

Sat, Oct 3 - Tue, Oct 20

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

14h 00m1 stop Montreal Pierre Elliott Trudeau Intl

12:55 pm - 9:21 pmATH Athens Eleftherios V.-STL Lambert-St Louis

16h 26m1 stop Chicago O'Hare Intl

$1,213Lufthansa

Sun, Oct 4 - Fri, Oct 23

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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

Nov 9

STL11:29 amLambert-St Louis

14h 36m

1 stop

ATH10:05 amAthens Eleftherios V.

Nov 18

ATH1:00 pmAthens Eleftherios V.

40h 52m

2 stops

STL9:52 pmLambert-St Louis

$793

United Airlines

Nov 18

STL9:59 amLambert-St Louis

17h 01m

2 stops

ATH11:00 amAthens Eleftherios V.

Nov 25

ATH1:00 pmAthens Eleftherios V.

29h 32m

2 stops

STL10:32 amLambert-St Louis

$797

United Airlines

Nov 10

STL9:59 amLambert-St Louis

16h 06m

1 stop

ATH10:05 amAthens Eleftherios V.

Nov 17

ATH1:00 pmAthens Eleftherios V.

33h 13m

2 stops

STL2:13 pmLambert-St Louis

$798

Air Canada flights from St. Louis to Athens

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

Air Canada

Nov 9

STL4:05 pmLambert-St Louis

58h 55m

2 stops

ATH11:00 amAthens Eleftherios V.

Nov 18

ATH1:00 pmAthens Eleftherios V.

33h 34m

2 stops

STL2:34 pmLambert-St Louis

$800

Air Canada

Nov 12

STL4:05 pmLambert-St Louis

34h 55m

2 stops

ATH11:00 amAthens Eleftherios V.

Nov 19

ATH1:00 pmAthens Eleftherios V.

31h 10m

2 stops

STL12:10 pmLambert-St Louis

$855

Air Canada

Oct 3

STL2:40 pmLambert-St Louis

35h 30m

2 stops

ATH10:10 amAthens Eleftherios V.

Oct 20

ATH1:10 pmAthens Eleftherios V.

33h 07m

2 stops

STL2:17 pmLambert-St Louis

$1,174

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 10/26

6:50 pm-1:30 am

2 stops23h 40m

Athens Eleftherios V.

Mon 11/2

6:40 am-9:40 pm

2 stops23h 00m

$692

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sat 11/7

1:00 pm-11:00 am

2 stops38h 00m

Athens Eleftherios V.

Sat 11/14

1:25 pm-9:52 pm

2 stops40h 27m

$700

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 10/26

11:29 am-9:05 am

1 stop14h 36m

Athens Eleftherios V.

Mon 11/2

6:40 am-9:40 pm

2 stops23h 00m

$702

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 11/2

8:00 am-12:55 pm

2 stops20h 55m

Athens Eleftherios V.

Mon 11/9

7:05 am-9:40 pm

2 stops22h 35m

$717

Quickest round-trip

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Tue 3/2

8:33 am-11:00 am

2 stops18h 27m

Athens Eleftherios V.

Wed 3/10

6:45 am-1:45 pm

1 stop15h 00m

$723

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sat 11/7

9:44 am-10:05 am

1 stop16h 21m

Athens Eleftherios V.

Sat 11/14

12:25 pm-10:54 pm

1 stop18h 29m

$728

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Tue 3/23

1:06 pm-1:25 am

2 stops29h 19m

Athens Eleftherios V.

Thu 4/1

1:00 pm-11:04 pm

1 stop18h 04m

$743

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 3/21

5:27 pm-3:55 pm

2 stops39h 28m

Athens Eleftherios V.

Mon 3/29

7:30 pm-10:05 pm

2 stops34h 35m

$774

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.

Wed 11/18

1:00 pm-2:34 pm

2 stops33h 34m

$800

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Tue 11/10

4:05 pm-11:00 am

2 stops34h 55m

Athens Eleftherios V.

Tue 11/17

1:00 pm-3:43 pm

2 stops34h 43m

$805

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 low for flights on this route.

Typical prices usually range from $971 to $1,398.
The lowest price recently found on this route was $692.

What is the cheapest month to fly to Athens?

The cheapest month to fly to Athens from St. Louis is in February. Flight prices, which tend to average around $548, are often lower during this time because this is during the off-season. If you are unable to visit Athens during the month of February, then departing from St. Louis during the month November is also very affordable. Most momondo users find prices during this month for around $549.

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 $984 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	$405
Fastest flight time	13h 55m
Direct flights	None

The best one-way flight to Athens from St. Louis in the past 72 hours is $405. The best round-trip flight deal from St. Louis to Athens found on momondo in the last 72 hours is $692.

The fastest flight from St. Louis to Athens takes 13h 55m

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. 13h 55m 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 8,247 reviews	Search Lufthansa flights
British Airways	PriceFrom $510	Free Cancellation	Rating 6.7 8,239 reviews	Search British Airways flights
American Airlines	PriceFrom $520	Free Cancellation	Rating 7.0 12,099 reviews	Search American Airlines flights
Delta	PriceFrom $549	Free Cancellation	Rating 7.8 8,606 reviews	Search Delta flights
United Airlines	PriceFrom $669	Free Cancellation	Rating 7.4 10,251 reviews	Search United Airlines flights
Air Canada	PriceFrom $802	Free Cancellation	Rating 7.1 11,703 reviews	Search Air Canada flights

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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 $405

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 12/25. 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

Air Canada flights from St. Louis to Athens

Our best Air Canada 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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Get notified when prices go down

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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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