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 48% 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 travel time from St. Louis to Athens?

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

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

United Airlines is the most popular carrier operating from Lambert-St Louis to Athens Eleftherios V.

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

Chicago (ORD) was the most common stop: 27% 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 $734.

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 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 8 operators available for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport as of November 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.

$315 Cheap Flights from St. Louis to Athens in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from St. Louis to Athens

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:59 pm - 9:55 amSTL-ATH

31h 56m1 stop

11:50 am - 11:42 pmATH-STL

18h 52m2 stops

$443Delta

Find Deal

Sun, Mar 8 - Tue, Mar 17

6:43 pm - 7:30 pmSTL-ATH

16h 47m2 stops

7:35 am - 11:48 pmATH-STL

23h 13m2 stops

$446British Airways

Find Deal

Tue, Feb 24 - Tue, Mar 10

11:50 am - 3:05 pmSTL-ATH

19h 15m2 stops

7:50 am - 11:12 pmATH-STL

23h 22m2 stops

$453American Airlines

Find Deal

Wed, Dec 10 - Wed, Jan 14

6:35 am - 1:35 pmSTL-ATH

23h 00m2 stops

12:20 pm - 9:10 pmATH-STL

15h 50m1 stop

$458Delta

Find Deal

Tue, Feb 24 - Tue, Mar 10

6:30 am - 1:35 pmSTL-ATH

23h 05m2 stops

11:50 am - 8:52 amATH-STL

28h 02m2 stops

$462Delta

Find Deal

Tue, Feb 24 - Tue, Mar 10

6:00 am - 1:35 pmSTL-ATH

23h 35m2 stops

11:50 am - 12:19 pmATH-STL

31h 29m1 stop

$463Delta

Find Deal

Sun, Mar 1 - Thu, Mar 12

6:30 am - 1:35 pmSTL-ATH

23h 05m2 stops

12:20 pm - 9:10 pmATH-STL

15h 50m1 stop

$468Delta

Find Deal

Thu, Feb 26 - Fri, Mar 13

6:47 pm - 1:15 amSTL-ATH

22h 28m2 stops

12:20 pm - 11:45 amATH-STL

30h 25m1 stop

$470Delta

Find Deal

Mon, Mar 2 - Tue, Mar 10

11:05 am - 3:50 pmSTL-ATH

20h 45m2 stops

7:45 am - 11:28 pmATH-STL

23h 43m2 stops

$471British Airways

Find Deal

Sat, Jan 31 - Fri, Feb 13

6:30 am - 1:35 pmSTL-ATH

23h 05m2 stops

11:50 am - 11:42 pmATH-STL

18h 52m2 stops

$472Delta

Find Deal

Thu, Feb 26 - Wed, Mar 11

British Airways flights from St. Louis to Athens

Our best British Airways deals on St. Louis to Athens flight tickets

British Airways

Mar 3

STL9:59 amLambert-St Louis

25h 31m

2 stops

ATH7:30 pmAthens Eleftherios V.

Mar 9

ATH8:10 pmAthens Eleftherios V.

34h 38m

2 stops

STL11:48 pmLambert-St Louis

$441

Find similar

British Airways

Feb 24

STL6:43 pmLambert-St Louis

16h 47m

2 stops

ATH7:30 pmAthens Eleftherios V.

Mar 10

ATH7:35 amAthens Eleftherios V.

23h 13m

2 stops

STL11:48 pmLambert-St Louis

$446

Find similar

British Airways

Jan 31

STL11:05 amLambert-St Louis

20h 45m

2 stops

ATH3:50 pmAthens Eleftherios V.

Feb 13

ATH7:45 amAthens Eleftherios V.

23h 43m

2 stops

STL11:28 pmLambert-St Louis

$471

Find similar

Delta flights from St. Louis to Athens

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

Delta

Mar 8

STL6:59 pmLambert-St Louis

31h 56m

1 stop

ATH9:55 amAthens Eleftherios V.

Mar 17

ATH11:50 amAthens Eleftherios V.

18h 52m

2 stops

STL11:42 pmLambert-St Louis

$443

Find similar

Delta

Dec 3

STL6:05 amLambert-St Louis

23h 30m

2 stops

ATH1:35 pmAthens Eleftherios V.

Dec 10

ATH12:50 pmAthens Eleftherios V.

29h 00m

2 stops

STL9:50 amLambert-St Louis

$449

Find similar

Delta

Feb 24

STL9:45 amLambert-St Louis

19h 50m

2 stops

ATH1:35 pmAthens Eleftherios V.

Mar 13

ATH12:20 pmAthens Eleftherios V.

15h 50m

1 stop

STL9:10 pmLambert-St Louis

$458

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/8

6:59 pm-9:55 am

1 stop31h 56m

Athens Eleftherios V.

Tue 3/17

11:50 am-11:42 pm

2 stops18h 52m

$443

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 2/24

6:43 pm-7:30 pm

2 stops16h 47m

Athens Eleftherios V.

Tue 3/10

7:35 am-11:48 pm

2 stops23h 13m

$446

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 12/10

11:50 am-3:05 pm

2 stops19h 15m

Athens Eleftherios V.

Wed 1/14

7:50 am-11:12 pm

2 stops23h 22m

$453

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 2/24

6:35 am-1:35 pm

2 stops23h 00m

Athens Eleftherios V.

Tue 3/10

12:20 pm-9:10 pm

1 stop15h 50m

$458

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 2/24

6:30 am-1:35 pm

2 stops23h 05m

Athens Eleftherios V.

Tue 3/10

11:50 am-8:52 am

2 stops28h 02m

$462

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 3/1

6:00 am-1:35 pm

2 stops23h 35m

Athens Eleftherios V.

Thu 3/12

11:50 am-12:19 pm

1 stop31h 29m

$463

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 2/26

6:30 am-1:35 pm

2 stops23h 05m

Athens Eleftherios V.

Fri 3/13

12:20 pm-9:10 pm

1 stop15h 50m

$468

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 3/2

6:47 pm-1:15 am

2 stops22h 28m

Athens Eleftherios V.

Tue 3/10

12:20 pm-11:45 am

1 stop30h 25m

$470

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sat 1/31

11:05 am-3:50 pm

2 stops20h 45m

Athens Eleftherios V.

Fri 2/13

7:45 am-11:28 pm

2 stops23h 43m

$471

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 2/26

6:30 am-1:35 pm

2 stops23h 05m

Athens Eleftherios V.

Wed 3/11

11:50 am-11:42 pm

2 stops18h 52m

$472

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 February. Flight prices, which tend to average around $717, 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 $719.

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 $1,014 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 $770 on momondo.

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

You could potentially save up to 12% 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

Fastest flight time	12h 35m
Direct flights	None

The fastest flight from St. Louis to Athens takes 12h 35m

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 30m 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 8 operators available for flights from Lambert-St Louis Airport to Athens Eleftherios V. Airport as of November 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 (41% 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 7,594 reviews	Search Lufthansa flights
British Airways	PriceFrom $553	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $581	Free Cancellation	Rating 7.4 1,589 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $608	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
American Airlines	PriceFrom $618	Free Cancellation	Rating 7.2 11,038 reviews	Search American Airlines flights
United Airlines	PriceFrom $659	Free Cancellation	Rating 7.4 9,046 reviews	Search United Airlines flights
KLM	PriceFrom $737	Free Cancellation	Rating 7.7 1,422 reviews	Search KLM flights
Air Canada	PriceFrom $739	Free Cancellation	Rating 7.1 10,476 reviews	Search Air Canada flights

Piraeus

Glyfada

Marathon

Hydra

Aegina

Skala

Loutraki

Tolo

Corinth

Agia Marina

Porto Cheli

Galaxidi

Chalcis

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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 12/26

Fri 1/2

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Greece

Fly your favorite airline to Athens

Scandinavian Airlines

Popular cities in Greece

Flights to Thessalonikifrom $466

Flights to Heraklionfrom $541

Flights to Therafrom $532

Flights to Rhodesfrom $559

Flights to Chaniafrom $525

Flights to Mykonosfrom $516

Flights to Argostolifrom $920

Flights to Prévezafrom $720

Flights to Parikiafrom $705

Flights to Naxosfrom $704

Flights to Mytilenefrom $598

Flights to Skiathosfrom $1,047

Cheap flights from St. Louis to Athens from $315

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 5/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from St. Louis to Athens

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

British Airways flights from St. Louis to Athens

Our best British Airways 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

momondo Fare Finder

Use the filters below to find and compare flights from St. Louis to Athens that are best for you.

See travel insights to Athens from

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 12% 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.?

United Airlines is the most popular carrier 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?

Chicago (ORD) was the most common stop: 27% 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 $734.

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

Fastest flight time

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