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

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

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

Frankfurt am Main (FRA) was the most common stop: 29% 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 travel time from St. Louis to Athens?

Flights connecting via Toronto (YYZ) have the shortest average one-way travel time: 13h 05m.

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.

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 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.

$604 Cheap Flights from St. Louis to Athens in 2026/27

Discover deals from 900+ travel sites with momondo.

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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

$608Air Canada

Sun, Nov 8 - 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 - 3:43 pmATH Athens Eleftherios V.-STL Lambert-St Louis

34h 43m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$613Air Canada

Mon, Nov 9 - Wed, Nov 18

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

21h 00m2 stops Newark Montreal Pierre Elliott Trudeau Intl

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

34h 26m1 stop Toronto Pearson Intl

$625United Airlines

Sun, Nov 8 - Tue, Nov 24

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

14h 00m1 stop Montreal Pierre Elliott Trudeau Intl

12:10 pm - 8:20 pmATH Athens Eleftherios V.-STL Lambert-St Louis

16h 10m1 stop Toronto Pearson Intl

$640Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

8:55 am - 10:10 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

17h 15m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

12:10 pm - 8:20 pmATH Athens Eleftherios V.-STL Lambert-St Louis

16h 10m1 stop Toronto Pearson Intl

$641Multiple Airlines

Wed, Oct 14 - Wed, Oct 21

1:40 pm - 4:05 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

18h 25m2 stops Chicago O'Hare Intl London Heathrow

7:35 am - 6:29 pmATH Athens Eleftherios V.-STL Lambert-St Louis

18h 54m2 stops London Heathrow Chicago O'Hare Intl

$646British Airways

Sun, Jan 10 - Fri, Jan 29

11:25 am - 2:05 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

18h 40m2 stops Chicago O'Hare Intl London Heathrow

7:35 am - 6:29 pmATH Athens Eleftherios V.-STL Lambert-St Louis

18h 54m2 stops London Heathrow Chicago O'Hare Intl

$646British Airways

Tue, Jan 12 - Fri, Jan 29

9:59 am - 9:05 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 06m1 stop Newark

1:25 pm - 11:24 pmATH Athens Eleftherios V.-STL Lambert-St Louis

41h 59m2 stops Vienna Intl Chicago O'Hare Intl

$647United Airlines

Mon, Oct 26 - Wed, Nov 4

11:25 am - 3:55 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

20h 30m2 stops Chicago O'Hare Intl London Heathrow

7:55 am - 10:06 pmATH Athens Eleftherios V.-STL Lambert-St Louis

22h 11m2 stops London Heathrow Charlotte Douglas

$652American Airlines

Mon, Jan 11 - Thu, Jan 28

5:29 pm - 10:00 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

20h 31m2 stops Chicago O'Hare Intl London Heathrow

7:40 am - 10:22 pmATH Athens Eleftherios V.-STL Lambert-St Louis

22h 42m2 stops London Heathrow Chicago O'Hare Intl

$697American Airlines

Fri, Nov 27 - Tue, Dec 22

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

10:25 am - 12:13 pmATH Athens Eleftherios V.-STL Lambert-St Louis

33h 48m2 stops Newark Chicago O'Hare Intl

$702United Airlines

Sat, Sep 19 - Tue, Sep 29

5:30 pm - 8:10 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

30h 40m2 stops Chicago O'Hare Intl Newark

10:25 am - 12:13 pmATH Athens Eleftherios V.-STL Lambert-St Louis

33h 48m2 stops Newark Chicago O'Hare Intl

$702United Airlines

Sat, Sep 19 - Tue, Sep 29

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

31h 20m1 stop Newark

12:35 pm - 3:43 pmATH Athens Eleftherios V.-STL Lambert-St Louis

35h 08m1 stop Chicago O'Hare Intl

$735Lufthansa

Sat, Sep 19 - Wed, Sep 30

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

31h 20m1 stop Newark

11:45 am - 9:41 amATH Athens Eleftherios V.-STL Lambert-St Louis

29h 56m1 stop Washington, D.C. Dulles Intl

$735Brussels Airlines

Sat, Sep 19 - Tue, Sep 29

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

31h 20m1 stop Newark

6:55 am - 3:43 pmATH Athens Eleftherios V.-STL Lambert-St Louis

16h 48m2 stops Zurich Chicago O'Hare Intl

$737Multiple Airlines

Sat, Sep 19 - Wed, Sep 30

6:40 am - 1:20 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

22h 40m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

10:05 am - 9:29 amATH Athens Eleftherios V.-STL Lambert-St Louis

31h 24m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County

$760Delta

Sat, Sep 19 - Wed, Sep 30

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

34h 17m1 stop Chicago O'Hare Intl

10:45 am - 12:27 amATH Athens Eleftherios V.-STL Lambert-St Louis

21h 42m1 stop Chicago O'Hare Intl

$885British Airways

Sat, Sep 19 - Wed, Sep 30

6:53 pm - 9:00 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

18h 07m2 stops Chicago O'Hare Intl Frankfurt am Main

6:45 pm - 1:25 pmATH Athens Eleftherios V.-STL Lambert-St Louis

26h 40m1 stop Frankfurt am Main

$904Lufthansa

Sun, Sep 20 - Sun, Sep 27

11:01 am - 11:10 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 09m1 stop Chicago O'Hare Intl

6:30 pm - 7:30 pmATH Athens Eleftherios V.-STL Lambert-St Louis

33h 00m1 stop London Heathrow

$1,111British Airways

Tue, Sep 15 - Tue, Sep 29

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

19h 55m1 stop Atlanta Hartsfield-Jackson

6:00 am - 11:42 pmATH Athens Eleftherios V.-STL Lambert-St Louis

25h 42m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$1,139Delta

Tue, Sep 15 - Mon, Sep 21

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Austrian Airlines flights from St. Louis to Athens

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

Austrian Airlines

Jan 12

STL11:45 amLambert-St Louis

16h 55m

2 stops

ATH12:40 pmAthens Eleftherios V.

Jan 25

ATH1:25 pmAthens Eleftherios V.

40h 28m

2 stops

STL9:53 pmLambert-St Louis

$690

Austrian Airlines

Jan 6

STL8:25 amLambert-St Louis

20h 30m

2 stops

ATH12:55 pmAthens Eleftherios V.

Feb 1

ATH1:25 pmAthens Eleftherios V.

40h 28m

2 stops

STL9:53 pmLambert-St Louis

$691

Lufthansa flights from St. Louis to Athens

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

Lufthansa

Jan 6

STL7:00 pmLambert-St Louis

18h 20m

2 stops

ATH9:20 pmAthens Eleftherios V.

Feb 3

ATH12:55 pmAthens Eleftherios V.

16h 52m

2 stops

STL9:47 pmLambert-St Louis

$686

Lufthansa

Nov 2

STL6:50 pmLambert-St Louis

22h 40m

2 stops

ATH1:30 amAthens Eleftherios V.

Nov 9

ATH6:45 amAthens Eleftherios V.

24h 39m

2 stops

STL11:24 pmLambert-St Louis

$692

Lufthansa

Nov 4

STL1:08 pmLambert-St Louis

20h 52m

2 stops

ATH6:00 pmAthens Eleftherios V.

Nov 14

ATH6:40 amAthens Eleftherios V.

24h 14m

2 stops

STL10:54 pmLambert-St Louis

$694

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

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

4:05 pm-11:00 am

1 stop34h 55m

Athens Eleftherios V.

Wed 11/18

1:00 pm-3:43 pm

2 stops34h 43m

$613

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 11/8

6:00 am-11:00 am

2 stops21h 00m

Athens Eleftherios V.

Tue 11/24

1:00 pm-3:26 pm

1 stop34h 26m

$625

Quickest round-trip

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Wed 10/14

12:10 pm-10:10 am

1 stop14h 00m

Athens Eleftherios V.

Wed 10/21

12:10 pm-8:20 pm

1 stop16h 10m

$640

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Wed 10/14

8:55 am-10:10 am

2 stops17h 15m

Athens Eleftherios V.

Wed 10/21

12:10 pm-8:20 pm

1 stop16h 10m

$641

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Sun 1/10

1:40 pm-4:05 pm

2 stops18h 25m

Athens Eleftherios V.

Fri 1/29

7:35 am-6:29 pm

2 stops18h 54m

$646

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Tue 1/12

11:25 am-2:05 pm

2 stops18h 40m

Athens Eleftherios V.

Fri 1/29

7:35 am-6:29 pm

2 stops18h 54m

$646

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 10/26

9:59 am-9:05 am

1 stop16h 06m

Athens Eleftherios V.

Wed 11/4

1:25 pm-11:24 pm

2 stops41h 59m

$647

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 1/11

11:25 am-3:55 pm

2 stops20h 30m

Athens Eleftherios V.

Thu 1/28

7:55 am-10:06 pm

2 stops22h 11m

$652

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Fri 11/27

5:29 pm-10:00 pm

2 stops20h 31m

Athens Eleftherios V.

Tue 12/22

7:40 am-10:22 pm

2 stops22h 42m

$697

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 $1,022 to $1,291.
The lowest price recently found on this route was $608.

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	$604
Fastest flight time	13h 36m
Direct flights	None

The best one-way flight to Athens from St. Louis in the past 72 hours is $604. The best round-trip flight deal from St. Louis to Athens found on momondo in the last 72 hours is $608.

The fastest flight from St. Louis to Athens takes 13h 36m

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 36m 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 8,220 reviews	Search Lufthansa flights
British Airways	PriceFrom $510	Free Cancellation	Rating 6.7 8,222 reviews	Search British Airways flights
American Airlines	PriceFrom $520	Free Cancellation	Rating 7.1 12,059 reviews	Search American Airlines flights
Delta	PriceFrom $549	Free Cancellation	Rating 7.8 8,568 reviews	Search Delta flights
United Airlines	PriceFrom $626	Free Cancellation	Rating 7.4 10,209 reviews	Search United Airlines flights
Air Canada	PriceFrom $802	Free Cancellation	Rating 7.1 11,630 reviews	Search Air Canada flights

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Agia Marina

Megalochori

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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 $604

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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Austrian Airlines flights from St. Louis to Athens

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

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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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According to popular flight searches on momondo this year

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