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

British Airways, United Airlines, and Air Canada 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.

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 41% 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 48m.

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.

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.

$338 Cheap Flights from St. Louis to Athens in 2026

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10:14 am - 11:00 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 46m1 stop Atlanta Hartsfield-Jackson

2:40 pm - 4:31 pmATH Athens Eleftherios V.-STL Lambert-St Louis

33h 51m2 stops Paris Charles de Gaulle Minneapolis St Paul

$668Delta

Mon, Oct 19 - Mon, Nov 9

6:47 am - 7:50 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

17h 03m2 stops Detroit Metropolitan Wayne County New York John F Kennedy Intl

2:40 pm - 4:31 pmATH Athens Eleftherios V.-STL Lambert-St Louis

33h 51m2 stops Paris Charles de Gaulle Minneapolis St Paul

$673Delta

Mon, Oct 19 - Mon, Nov 9

1:14 pm - 10:00 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

24h 46m2 stops Chicago O'Hare Intl London Heathrow

7:40 am - 12:16 amATH Athens Eleftherios V.-STL Lambert-St Louis

24h 36m2 stops London Heathrow Dallas/Fort Worth

$758British Airways

Fri, Nov 27 - Tue, Dec 22

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

20h 05m1 stop Newark

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

$794United Airlines

Mon, Nov 2 - Fri, Nov 13

9:59 am - 10:05 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 06m1 stop Newark

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

$794United Airlines

Mon, Nov 2 - Wed, Nov 18

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

34h 55m1 stop Toronto Pearson Intl

1:00 pm - 7:23 pmATH Athens Eleftherios V.-STL Lambert-St Louis

38h 23m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$797Air Canada

Mon, Nov 2 - Fri, Nov 13

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

34h 55m1 stop Toronto Pearson Intl

1:00 pm - 11:24 pmATH Athens Eleftherios V.-STL Lambert-St Louis

42h 24m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl

$797Air Canada

Mon, Nov 2 - Wed, Nov 18

7:30 am - 9:05 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

18h 35m2 stops Chicago O'Hare Intl Newark

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

15h 00m1 stop Frankfurt am Main

$804Multiple Airlines

Mon, Oct 26 - Wed, Nov 11

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

16h 06m1 stop Newark

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

15h 00m1 stop Frankfurt am Main

$804Multiple Airlines

Mon, Oct 26 - Wed, Nov 11

11:35 am - 7:00 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

23h 25m2 stops Chicago O'Hare Intl London Heathrow

5:00 pm - 4:43 pmATH Athens Eleftherios V.-STL Lambert-St Louis

31h 43m2 stops London Heathrow Chicago O'Hare Intl

$825British Airways

Mon, Nov 2 - Mon, Nov 16

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Enter your travel dates to find the best prices.

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

34h 17m1 stop Chicago O'Hare Intl

7:55 am - 8:44 pmATH Athens Eleftherios V.-STL Lambert-St Louis

20h 49m2 stops London Heathrow Chicago O'Hare Intl

$838British Airways

Tue, Sep 15 - Tue, Sep 29

10:05 am - 1:20 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

19h 15m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

6:35 am - 11:16 pmATH Athens Eleftherios V.-STL Lambert-St Louis

24h 41m2 stops Paris Charles de Gaulle Minneapolis St Paul

$885Delta

Tue, Sep 15 - Tue, Sep 29

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

34h 17m1 stop Chicago O'Hare Intl

7:30 pm - 8:44 pmATH Athens Eleftherios V.-STL Lambert-St Louis

33h 14m2 stops London Heathrow Chicago O'Hare Intl

$927British Airways

Tue, Sep 15 - Mon, Sep 28

12:28 pm - 12:45 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 17m2 stops Newark Vienna Intl

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

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

$1,014Multiple Airlines

Tue, Sep 15 - Tue, Sep 29

12:28 pm - 12:45 pmSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 17m2 stops Newark Vienna Intl

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

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

$1,027Multiple Airlines

Tue, Sep 15 - Tue, Sep 29

8:40 am - 10:55 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

18h 15m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

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

14h 40m1 stop Frankfurt am Main

$1,064Lufthansa

Tue, Sep 15 - Tue, Sep 29

7:00 am - 8:10 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

17h 10m1 stop Newark

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

14h 40m1 stop Frankfurt am Main

$1,068United Airlines

Tue, Sep 15 - Tue, Sep 29

7:00 am - 8:10 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

17h 10m1 stop Newark

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

14h 40m1 stop Frankfurt am Main

$1,068United Airlines

Tue, Sep 15 - Tue, Sep 29

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

21h 30m1 stop Frankfurt am Main

6:45 am - 7:21 pmATH Athens Eleftherios V.-STL Lambert-St Louis

20h 36m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$1,070Lufthansa

Tue, Sep 15 - Tue, Sep 29

7:05 am - 7:50 amSTL Lambert-St Louis-ATH Athens Eleftherios V.

16h 45m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

9:45 am - 11:42 pmATH Athens Eleftherios V.-STL Lambert-St Louis

21h 57m1 stop Atlanta Hartsfield-Jackson

$1,138Delta

Thu, Sep 10 - Thu, Sep 24

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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 2

STL6:00 amLambert-St Louis

20h 05m

1 stop

ATH10:05 amAthens Eleftherios V.

Nov 13

ATH1:00 pmAthens Eleftherios V.

34h 43m

2 stops

STL3:43 pmLambert-St Louis

$794

United Airlines

Feb 1

STL8:25 amLambert-St Louis

19h 40m

2 stops

ATH12:05 pmAthens Eleftherios V.

Feb 5

ATH6:40 amAthens Eleftherios V.

40h 46m

2 stops

STL3:26 pmLambert-St Louis

$795

United Airlines

Nov 2

STL6:00 amLambert-St Louis

20h 05m

1 stop

ATH10:05 amAthens Eleftherios V.

Nov 19

ATH1:00 pmAthens Eleftherios V.

31h 10m

2 stops

STL12:10 pmLambert-St Louis

$799

Air Canada flights from St. Louis to Athens

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

Air Canada

Nov 1

STL4:05 pmLambert-St Louis

34h 55m

1 stop

ATH11:00 amAthens Eleftherios V.

Nov 18

ATH1:00 pmAthens Eleftherios V.

34h 43m

2 stops

STL3:43 pmLambert-St Louis

$797

Air Canada

Nov 1

STL4:05 pmLambert-St Louis

34h 55m

1 stop

ATH11:00 amAthens Eleftherios V.

Nov 18

ATH1:00 pmAthens Eleftherios V.

34h 43m

2 stops

STL3:43 pmLambert-St Louis

$798

Air Canada

Feb 1

STL4:05 pmLambert-St Louis

16h 45m

2 stops

ATH4:50 pmAthens Eleftherios V.

Feb 5

ATH6:40 amAthens Eleftherios V.

40h 46m

2 stops

STL3:26 pmLambert-St Louis

$800

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 10/19

10:14 am-11:00 am

1 stop16h 46m

Athens Eleftherios V.

Mon 11/9

2:40 pm-4:31 pm

2 stops33h 51m

$668

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 10/19

6:47 am-7:50 am

2 stops17h 03m

Athens Eleftherios V.

Mon 11/9

2:40 pm-4:31 pm

2 stops33h 51m

$673

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Fri 11/27

1:14 pm-10:00 pm

2 stops24h 46m

Athens Eleftherios V.

Tue 12/22

7:40 am-12:16 am

2 stops24h 36m

$758

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 11/2

6:00 am-10:05 am

1 stop20h 05m

Athens Eleftherios V.

Fri 11/13

1:00 pm-3:43 pm

2 stops34h 43m

$794

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 11/2

9:59 am-10:05 am

1 stop16h 06m

Athens Eleftherios V.

Wed 11/18

1:00 pm-2:34 pm

2 stops33h 34m

$794

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 11/2

4:05 pm-11:00 am

1 stop34h 55m

Athens Eleftherios V.

Fri 11/13

1:00 pm-7:23 pm

2 stops38h 23m

$797

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 11/2

4:05 pm-11:00 am

1 stop34h 55m

Athens Eleftherios V.

Wed 11/18

1:00 pm-11:24 pm

2 stops42h 24m

$797

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 10/26

7:30 am-9:05 am

2 stops18h 35m

Athens Eleftherios V.

Wed 11/11

6:45 am-1:45 pm

1 stop15h 00m

$804

Quickest round-trip

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 11/11

6:45 am-1:45 pm

1 stop15h 00m

$804

St. LouisAthens

STL Lambert-St Louis - ATH Athens Eleftherios V.

STLATH

Lambert-St Louis

Mon 11/2

11:35 am-7:00 pm

2 stops23h 25m

Athens Eleftherios V.

Mon 11/16

5:00 pm-4:43 pm

2 stops31h 43m

$825

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 $1,022 to $1,291.
The lowest price recently found on this route was $668.

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 November is also very affordable. Most momondo users find prices during this month for around $546.

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 36% 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	$338
Fastest flight time	14h 00m
Direct flights	None

The best one-way flight to Athens from St. Louis in the past 72 hours is $338. The best round-trip flight deal from St. Louis to Athens found on momondo in the last 72 hours is $668.

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 (36% of total bookings). The next most popular airlines are Air Canada (21%), Lufthansa (19%), and British Airways (11%).

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 8,217 reviews	Search Lufthansa flights
British Airways	PriceFrom $510	Free Cancellation	Rating 6.7 8,210 reviews	Search British Airways flights
American Airlines	PriceFrom $520	Free Cancellation	Rating 7.1 12,046 reviews	Search American Airlines flights
Delta	PriceFrom $549	Free Cancellation	Rating 7.8 8,550 reviews	Search Delta flights
United Airlines	PriceFrom $626	Free Cancellation	Rating 7.4 10,190 reviews	Search United Airlines flights
Air Canada	PriceFrom $802	Free Cancellation	Rating 7.1 11,603 reviews	Search Air Canada flights

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Tolo

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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 $338

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 12/2. 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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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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