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

What airlines fly to Athens?

United Airlines, Air Canada and Delta 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 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.?

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

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 September 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.

$275 Cheap Flights from St. Louis to Athens in 2025/26

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Find the cheapest flights from St. Louis to Athens

Round-trip

One-way

Last minute

Cheap round-trip flights

12:30 pm - 1:20 pmSTL-ATH

40h 50m2 stops

2:10 pm - 11:40 pmATH-STL

41h 30m2 stops

$509Scandinavian Airlines

Find Deal

Sat, Jan 31 - Fri, Feb 6

4:00 pm - 7:30 pmSTL-ATH

19h 30m2 stops

8:20 pm - 11:40 pmATH-STL

34h 20m2 stops

$519Scandinavian Airlines

Find Deal

Sat, Feb 28 - Sun, Mar 8

5:24 pm - 12:25 amSTL-ATH

23h 01m2 stops

12:25 pm - 11:44 pmATH-STL

19h 19m1 stop

$520United Airlines

Find Deal

Mon, Nov 3 - Wed, Nov 19

5:24 pm - 12:25 amSTL-ATH

23h 01m2 stops

2:20 pm - 3:46 pmATH-STL

33h 26m2 stops

$526United Airlines

Find Deal

Mon, Nov 3 - Wed, Nov 19

6:00 am - 10:35 amSTL-ATH

20h 35m1 stop

12:50 pm - 8:24 amATH-STL

27h 34m1 stop

$530Delta

Find Deal

Mon, Nov 3 - Wed, Nov 19

6:00 am - 10:55 amSTL-ATH

20h 55m1 stop

3:25 am - 11:06 pmATH-STL

27h 41m2 stops

$566Delta

Find Deal

Wed, Oct 22 - Mon, Nov 3

5:49 pm - 7:30 pmSTL-ATH

17h 41m2 stops

8:10 pm - 9:48 pmATH-STL

32h 38m2 stops

$571British Airways

Find Deal

Tue, Mar 3 - Mon, Mar 9

4:05 pm - 1:25 pmSTL-ATH

37h 20m2 stops

11:55 am - 2:18 pmATH-STL

33h 23m2 stops

$595Air Canada

Find Deal

Sat, Feb 28 - Sun, Mar 8

8:05 pm - 7:10 pmSTL-ATH

39h 05m2 stops

7:30 pm - 4:23 pmATH-STL

28h 53m2 stops

$659British Airways

Find Deal

Mon, Oct 13 - Mon, Oct 20

4:05 pm - 11:35 amSTL-ATH

35h 30m2 stops

2:05 pm - 3:29 pmATH-STL

33h 24m2 stops

$662Air Canada

Find Deal

Thu, Nov 20 - Fri, Nov 28

United Airlines flights from St. Louis to Athens

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

United Airlines

Nov 3

STL5:24 pmLambert-St Louis

23h 01m

2 stops

ATH12:25 amAthens Eleftherios V.

Nov 19

ATH12:25 pmAthens Eleftherios V.

19h 19m

1 stop

STL11:44 pmLambert-St Louis

$520

Find similar

United Airlines

Nov 3

STL5:24 pmLambert-St Louis

23h 01m

2 stops

ATH12:25 amAthens Eleftherios V.

Nov 19

ATH2:20 pmAthens Eleftherios V.

33h 26m

2 stops

STL3:46 pmLambert-St Louis

$526

Find similar

United Airlines

Oct 30

STL11:49 amLambert-St Louis

14h 16m

1 stop

ATH9:05 amAthens Eleftherios V.

Nov 6

ATH6:25 amAthens Eleftherios V.

38h 14m

2 stops

STL12:39 pmLambert-St Louis

$603

Find similar

Delta flights from St. Louis to Athens

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

Delta

Nov 3

STL6:00 amLambert-St Louis

20h 35m

1 stop

ATH10:35 amAthens Eleftherios V.

Nov 19

ATH12:50 pmAthens Eleftherios V.

27h 34m

1 stop

STL8:24 amLambert-St Louis

$530

Find similar

Delta

Oct 22

STL6:00 amLambert-St Louis

20h 55m

1 stop

ATH10:55 amAthens Eleftherios V.

Nov 3

ATH3:25 amAthens Eleftherios V.

27h 41m

2 stops

STL11:06 pmLambert-St Louis

$566

Find similar

Delta

Oct 22

STL6:40 amLambert-St Louis

22h 40m

2 stops

ATH1:20 pmAthens Eleftherios V.

Nov 3

ATH3:25 amAthens Eleftherios V.

27h 41m

2 stops

STL11:06 pmLambert-St Louis

$570

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 1/31

12:30 pm-1:20 pm

2 stops40h 50m

Athens Eleftherios V.

Fri 2/6

2:10 pm-11:40 pm

2 stops41h 30m

$509

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

4:00 pm-7:30 pm

2 stops19h 30m

Athens Eleftherios V.

Sun 3/8

8:20 pm-11:40 pm

2 stops34h 20m

$519

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/3

5:24 pm-12:25 am

2 stops23h 01m

Athens Eleftherios V.

Wed 11/19

12:25 pm-11:44 pm

1 stop19h 19m

$520

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/3

5:24 pm-12:25 am

2 stops23h 01m

Athens Eleftherios V.

Wed 11/19

2:20 pm-3:46 pm

2 stops33h 26m

$526

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 11/3

6:00 am-10:35 am

1 stop20h 35m

Athens Eleftherios V.

Wed 11/19

12:50 pm-8:24 am

1 stop27h 34m

$530

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 10/22

6:00 am-10:55 am

1 stop20h 55m

Athens Eleftherios V.

Mon 11/3

3:25 am-11:06 pm

2 stops27h 41m

$566

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 3/3

5:49 pm-7:30 pm

2 stops17h 41m

Athens Eleftherios V.

Mon 3/9

8:10 pm-9:48 pm

2 stops32h 38m

$571

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 2/28

4:05 pm-1:25 pm

2 stops37h 20m

Athens Eleftherios V.

Sun 3/8

11:55 am-2:18 pm

2 stops33h 23m

$595

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 10/13

8:05 pm-7:10 pm

2 stops39h 05m

Athens Eleftherios V.

Mon 10/20

7:30 pm-4:23 pm

2 stops28h 53m

$659

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 11/20

4:05 pm-11:35 am

2 stops35h 30m

Athens Eleftherios V.

Fri 11/28

2:05 pm-3:29 pm

2 stops33h 24m

$662

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 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 $750, 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 $1,022 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 $805 on momondo.

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

You could potentially save up to 38% 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. 12h 35m 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 September 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 (39% of total bookings). The next most popular airlines are Air Canada (21%), Delta (10%), 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
Scandinavian Airlines	PriceFrom $581	Free Cancellation	Rating 7.4 1,486 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom $647	Free Cancellation	Rating 6.7 7,367 reviews	Search British Airways flights
Lufthansa	PriceFrom $649	Free Cancellation	Rating 6.8 7,409 reviews	Search Lufthansa flights
Virgin Atlantic	PriceFrom $653	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom $692	Free Cancellation	Rating 7.4 8,926 reviews	Search United Airlines flights
Delta	PriceFrom $694	Free Cancellation	Rating 7.9 7,961 reviews	Search Delta flights
KLM	PriceFrom $737	Free Cancellation	Rating 7.8 1,386 reviews	Search KLM flights
Air Canada	PriceFrom $750	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights
American Airlines	PriceFrom $754	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

Piraeus

Glyfada

Hydra

Marathon

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 $275

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 10/4. 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

Delta flights from St. Louis to Athens

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

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 38% 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.?

Scandinavian Airlines, United Airlines, and Delta 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: 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 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