Which layover airport offers the lowest fares from St. Louis to Athens?

Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $729.

Which layover airport has the shortest connection time from St. Louis to Athens?

Montreal (YUL) has the shortest average layover time for this route: 1h 53m.

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

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

What airlines fly to Athens?

United Airlines, Air Canada and British Airways 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 49% of people opting to fly with this airline when traveling to Athens. Keep in mind that there are 9 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: 28% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from St. Louis to Athens?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 12h 25m.

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 9 operators available for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport as of October 2025.

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.

$487 Cheap Flights from St. Louis to Athens in 2025/26

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6:43 pm - 1:40 amSTL-ATH

22h 57m2 stops

6:15 am - 1:55 pmATH-STL

15h 40m1 stop

$487Lufthansa

Find Deal

Tue, Nov 11 - Wed, Nov 26

11:35 am - 10:05 amSTL-ATH

14h 30m1 stop

6:15 am - 1:55 pmATH-STL

15h 40m1 stop

$491United Airlines

Find Deal

Tue, Nov 11 - Wed, Nov 26

6:43 pm - 11:35 amSTL-ATH

32h 52m2 stops

6:15 am - 3:29 pmATH-STL

41h 14m2 stops

$497Air Canada

Find Deal

Tue, Nov 11 - Wed, Nov 26

6:40 pm - 1:40 amSTL-ATH

23h 00m2 stops

6:35 am - 11:59 pmATH-STL

25h 24m2 stops

$498Lufthansa

Find Deal

Fri, Jan 9 - Sat, Jan 17

6:39 am - 1:35 pmSTL-ATH

22h 56m2 stops

3:25 am - 9:57 pmATH-STL

26h 32m2 stops

$514Delta

Find Deal

Tue, Dec 9 - Mon, Dec 15

11:34 am - 1:45 pmSTL-ATH

18h 11m2 stops

8:10 pm - 5:57 pmATH-STL

28h 47m2 stops

$516British Airways

Find Deal

Tue, Mar 3 - Mon, Mar 9

4:05 pm - 4:35 pmSTL-ATH

40h 30m2 stops

11:55 am - 3:29 pmATH-STL

34h 34m2 stops

$566Air Canada

Find Deal

Sat, Feb 28 - Sun, Mar 8

2:19 pm - 6:50 pmSTL-ATH

20h 31m2 stops

8:00 am - 8:48 pmATH-STL

20h 48m2 stops

$584American Airlines

Find Deal

Sat, Feb 28 - Sun, Mar 8

2:00 pm - 7:30 pmSTL-ATH

21h 30m2 stops

7:45 am - 9:48 pmATH-STL

21h 03m3 stops

$774American Airlines

Find Deal

Tue, Mar 3 - Mon, Mar 9

6:00 am - 7:00 amSTL-ATH

17h 00m2 stops

1:40 pm - 11:40 pmATH-STL

18h 00m2 stops

$820Delta

Find Deal

Wed, Apr 1 - Sun, Apr 5

Lufthansa flights from St. Louis to Athens

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

Lufthansa

Nov 11

STL6:43 pmLambert-St Louis

22h 57m

2 stops

ATH1:40 amAthens Eleftherios V.

Nov 26

ATH6:15 amAthens Eleftherios V.

15h 40m

1 stop

STL1:55 pmLambert-St Louis

$487

Find similar

Lufthansa

Jan 9

STL6:40 pmLambert-St Louis

23h 00m

2 stops

ATH1:40 amAthens Eleftherios V.

Jan 17

ATH6:35 amAthens Eleftherios V.

25h 24m

2 stops

STL11:59 pmLambert-St Louis

$498

Find similar

Lufthansa

Jan 9

STL3:50 pmLambert-St Louis

16h 45m

1 stop

ATH4:35 pmAthens Eleftherios V.

Jan 17

ATH6:30 amAthens Eleftherios V.

25h 29m

2 stops

STL11:59 pmLambert-St Louis

$499

Find similar

United Airlines flights from St. Louis to Athens

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

United Airlines

Nov 11

STL11:35 amLambert-St Louis

14h 30m

1 stop

ATH10:05 amAthens Eleftherios V.

Nov 26

ATH6:15 amAthens Eleftherios V.

15h 40m

1 stop

STL1:55 pmLambert-St Louis

$491

Find similar

United Airlines

Nov 18

STL6:43 pmLambert-St Louis

32h 52m

2 stops

ATH11:35 amAthens Eleftherios V.

Nov 25

ATH12:50 pmAthens Eleftherios V.

17h 55m

2 stops

STL10:45 pmLambert-St Louis

$503

Find similar

United Airlines

Feb 20

STL9:55 amLambert-St Louis

24h 10m

2 stops

ATH6:05 pmAthens Eleftherios V.

Feb 28

ATH6:30 amAthens Eleftherios V.

22h 30m

2 stops

STL9:00 pmLambert-St Louis

$549

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 11/11

6:43 pm-1:40 am

2 stops22h 57m

Athens Eleftherios V.

Wed 11/26

6:15 am-1:55 pm

1 stop15h 40m

$487

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 11/11

11:35 am-10:05 am

1 stop14h 30m

Athens Eleftherios V.

Wed 11/26

6:15 am-1:55 pm

1 stop15h 40m

$491

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 11/11

6:43 pm-11:35 am

2 stops32h 52m

Athens Eleftherios V.

Wed 11/26

6:15 am-3:29 pm

2 stops41h 14m

$497

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Fri 1/9

6:40 pm-1:40 am

2 stops23h 00m

Athens Eleftherios V.

Sat 1/17

6:35 am-11:59 pm

2 stops25h 24m

$498

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 12/9

6:39 am-1:35 pm

2 stops22h 56m

Athens Eleftherios V.

Mon 12/15

3:25 am-9:57 pm

2 stops26h 32m

$514

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

11:34 am-1:45 pm

2 stops18h 11m

Athens Eleftherios V.

Mon 3/9

8:10 pm-5:57 pm

2 stops28h 47m

$516

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

4:05 pm-4:35 pm

2 stops40h 30m

Athens Eleftherios V.

Sun 3/8

11:55 am-3:29 pm

2 stops34h 34m

$566

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

2:19 pm-6:50 pm

2 stops20h 31m

Athens Eleftherios V.

Sun 3/8

8:00 am-8:48 pm

2 stops20h 48m

$584

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

2:00 pm-7:30 pm

2 stops21h 30m

Athens Eleftherios V.

Mon 3/9

7:45 am-9:48 pm

3 stops21h 03m

$774

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 4/1

6:00 am-7:00 am

2 stops17h 00m

Athens Eleftherios V.

Sun 4/5

1:40 pm-11:40 pm

2 stops18h 00m

$820

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 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 $734, 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 $765.

What is the cheapest day to depart on your flight to Athens?

The cheapest day to depart on your flight to Athens is on a Sunday when prices can be found for as low as $1,177. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,424. These prices are subject to change though, so be sure to set up a Price Alert for flights to Athens.

What is the cheapest time of day to depart on your flight to Athens?

The cheapest time of day to fly to Athens is in the afternoon when flights can be purchased for as low as $1,240. Flights to Athens are more costly at noon, with an average ticket price of $1,454. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight 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 $1,007 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 $753 on momondo.

Can stopping save me money on St. Louis to Athens flights?

You could potentially save up to 26% 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

Direct flights	None

There are no direct flights from St. Louis to Athens. There are no popular flight routes from St. Louis to Athens.

Search flight deals

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 50m 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 9 operators available for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport as of October 2025.
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 (40% of total bookings). The next most popular airlines are Air Canada (22%), British Airways (11%), and Delta (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 $546	Free Cancellation	Rating 6.8 7,542 reviews	Search Lufthansa flights
Scandinavian Airlines	PriceFrom $581	Free Cancellation	Rating 7.4 1,548 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $606	Free Cancellation	Rating 6.7 7,488 reviews	Search British Airways flights
Delta	PriceFrom $629	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
Virgin Atlantic	PriceFrom $653	Free Cancellation	Rating 7.5 671 reviews	Search Virgin Atlantic flights
American Airlines	PriceFrom $658	Free Cancellation	Rating 7.2 11,034 reviews	Search American Airlines flights
United Airlines	PriceFrom $676	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights
KLM	PriceFrom $737	Free Cancellation	Rating 7.7 1,406 reviews	Search KLM flights
Air Canada	PriceFrom $739	Free Cancellation	Rating 7.1 10,383 reviews	Search Air Canada flights

Piraeus

Glyfada

Marathon

Hydra

Aegina

Skala

Loutraki

Tolo

Corinth

Agia Marina

Chalcis

Porto Cheli

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.

An easier way to manage your Athens trip

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Cheap flights from St. Louis to Athens from $487

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Athens departing on 11/11. 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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Lufthansa flights from St. Louis to Athens

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

United Airlines flights from St. Louis to Athens

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

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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

What is the cheapest month to fly to Athens?

What is the cheapest day to depart on your flight to Athens?

What is the cheapest time of day to depart on your flight to Athens?

How far in advance should I book a flight to Athens?

Can stopping save me money on St. Louis to Athens flights?

You could potentially save up to 26% on your flight if you consider stops on a St. Louis to Athens flight.

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

British Airways and Iberia are the most popular carriers operating 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?

Frankfurt am Main (FRA) was the most common stop: 28% 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 Frankfurt am Main (FRA) offer the lowest average round-trip price of $729.

Which layover airport has the shortest travel time from St. Louis to Athens?

Flights connecting via Montreal (YUL) have the shortest average one-way travel time: 12h 25m.

Which layover airport has the shortest connection time from St. Louis to Athens?

Montreal (YUL) has the shortest average layover time for this route: 1h 53m.

When to book flights from St. Louis to Athens

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

Direct flights

How far is Lambert-St Louis to Athens Eleftherios V. by plane?

When did momondo last update prices for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport?

How many operators does momondo search for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport?

How old do you have to be to fly from Lambert-St Louis Airport to Athens Eleftherios V. Airport?

What documentation or ID do you need to fly to Athens Eleftherios V. Airport?

What is the most popular airline 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?

Why should I use momondo to find a flight deal from St. Louis to Athens?

Can I find flights from St. Louis to Athens with flexible booking policies on momondo?

How can momondo help me find flights 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?

An easier way to manage your Athens trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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