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

Aer Lingus is the most popular carrier 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 46% 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 offers the lowest fares from St. Louis to Athens?

Flights via Montreal (YUL) offer the lowest average round-trip price of $858.

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

Atlanta (ATL) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

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

$565 Cheap Flights from St. Louis to Athens in 2026

Q: 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 $1,497 to $1,080. The lowest price recently found on this route was $1,036.

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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.

1:24 pm - 11:55 am

STL

ATH

14h 31m

2 stops

12:45 pm - 9:13 pm

ATH

STL

16h 28m

2 stops

$1,036Lufthansa

Mon, May 4 - Tue, May 19

1:05 pm - 10:10 am

STL

ATH

13h 05m

1 stop

12:10 pm - 8:25 pm

ATH

STL

16h 15m

1 stop

$1,048Air Canada

Mon, May 4 - Tue, May 19

1:05 pm - 10:10 am

STL

ATH

13h 05m

1 stop

6:45 am - 8:25 pm

ATH

STL

21h 40m

2 stops

$1,054Air Canada

Mon, May 4 - Tue, May 19

1:24 pm - 11:55 am

STL

ATH

14h 31m

2 stops

6:45 am - 3:38 pm

ATH

STL

16h 53m

2 stops

$1,062Lufthansa

Mon, May 4 - Wed, Sep 30

1:24 pm - 11:55 am

STL

ATH

14h 31m

2 stops

6:00 am - 3:38 pm

ATH

STL

17h 38m

2 stops

$1,063Lufthansa

Mon, May 4 - Wed, Sep 30

7:05 am - 2:55 pm

STL

ATH

23h 50m

2 stops

3:25 pm - 8:25 pm

ATH

STL

37h 00m

1 stop

$1,069Multiple Airlines

Wed, May 20 - Wed, May 27

1:24 pm - 11:55 am

STL

ATH

14h 31m

2 stops

6:45 am - 1:25 pm

ATH

STL

14h 40m

1 stop

$1,072Lufthansa

Thu, Apr 30 - Wed, May 6

1:05 pm - 10:10 am

STL

ATH

13h 05m

1 stop

10:25 am - 9:24 pm

ATH

STL

18h 59m

1 stop

$1,073United Airlines

Mon, May 4 - Wed, Sep 30

12:10 pm - 10:10 am

STL

ATH

14h 00m

1 stop

12:10 pm - 3:46 pm

ATH

STL

35h 36m

2 stops

$1,076Air Canada

Tue, Jul 7 - Tue, Jul 14

8:00 am - 1:25 pm

STL

ATH

21h 25m

2 stops

3:25 pm - 3:46 pm

ATH

STL

32h 21m

2 stops

$1,081Air Canada

Sun, Jul 5 - Wed, Jul 15

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Air Canada flights from St. Louis to Athens

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

Air Canada

May 4

STL1:05 pmLambert-St Louis

13h 05m

1 stop

ATH10:10 amAthens Eleftherios V.

May 19

ATH12:10 pmAthens Eleftherios V.

16h 15m

1 stop

STL8:25 pmLambert-St Louis

$1,048

Air Canada

May 4

STL1:05 pmLambert-St Louis

13h 05m

1 stop

ATH10:10 amAthens Eleftherios V.

May 19

ATH6:45 amAthens Eleftherios V.

21h 40m

2 stops

STL8:25 pmLambert-St Louis

$1,054

Air Canada

Jul 7

STL12:10 pmLambert-St Louis

14h 00m

1 stop

ATH10:10 amAthens Eleftherios V.

Jul 14

ATH12:10 pmAthens Eleftherios V.

35h 36m

2 stops

STL3:46 pmLambert-St Louis

$1,076

Lufthansa flights from St. Louis to Athens

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

Lufthansa

May 4

STL1:24 pmLambert-St Louis

14h 31m

2 stops

ATH11:55 amAthens Eleftherios V.

May 19

ATH12:45 pmAthens Eleftherios V.

16h 28m

2 stops

STL9:13 pmLambert-St Louis

$1,036

Lufthansa

May 4

STL1:24 pmLambert-St Louis

14h 31m

2 stops

ATH11:55 amAthens Eleftherios V.

Sep 30

ATH6:45 amAthens Eleftherios V.

16h 53m

2 stops

STL3:38 pmLambert-St Louis

$1,062

Lufthansa

May 4

STL1:24 pmLambert-St Louis

14h 31m

2 stops

ATH11:55 amAthens Eleftherios V.

Sep 30

ATH6:00 amAthens Eleftherios V.

17h 38m

2 stops

STL3:38 pmLambert-St Louis

$1,063

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 5/4

1:24 pm-11:55 am

2 stops14h 31m

Athens Eleftherios V.

Tue 5/19

12:45 pm-9:13 pm

2 stops16h 28m

$1,036

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 5/4

1:05 pm-10:10 am

1 stop13h 05m

Athens Eleftherios V.

Tue 5/19

12:10 pm-8:25 pm

1 stop16h 15m

$1,048

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 5/4

1:05 pm-10:10 am

1 stop13h 05m

Athens Eleftherios V.

Tue 5/19

6:45 am-8:25 pm

2 stops21h 40m

$1,054

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 5/4

1:24 pm-11:55 am

2 stops14h 31m

Athens Eleftherios V.

Wed 9/30

6:45 am-3:38 pm

2 stops16h 53m

$1,062

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 5/4

1:24 pm-11:55 am

2 stops14h 31m

Athens Eleftherios V.

Wed 9/30

6:00 am-3:38 pm

2 stops17h 38m

$1,063

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Wed 5/20

7:05 am-2:55 pm

2 stops23h 50m

Athens Eleftherios V.

Wed 5/27

3:25 pm-8:25 pm

1 stop37h 00m

$1,069

Quickest round-trip

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Thu 4/30

1:24 pm-11:55 am

2 stops14h 31m

Athens Eleftherios V.

Wed 5/6

6:45 am-1:25 pm

1 stop14h 40m

$1,072

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Mon 5/4

1:05 pm-10:10 am

1 stop13h 05m

Athens Eleftherios V.

Wed 9/30

10:25 am-9:24 pm

1 stop18h 59m

$1,073

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Tue 7/7

12:10 pm-10:10 am

1 stop14h 00m

Athens Eleftherios V.

Tue 7/14

12:10 pm-3:46 pm

2 stops35h 36m

$1,076

St. LouisAthens

STL - ATH

STLATH

Lambert-St Louis

Sun 7/5

8:00 am-1:25 pm

2 stops21h 25m

Athens Eleftherios V.

Wed 7/15

3:25 pm-3:46 pm

2 stops32h 21m

$1,081

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?

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 $529, 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 $566.

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 $901 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 $741 on momondo.

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

You could potentially save up to 1% 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	14h 31m
Direct flights	None

The fastest flight from St. Louis to Athens takes 14h 31m

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 31m 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 April 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 (18%), British Airways (13%), and Lufthansa (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 $483	Free Cancellation	Rating 6.8 7,956 reviews	Search Lufthansa flights
American Airlines	PriceFrom $520	Free Cancellation	Rating 7.1 11,671 reviews	Search American Airlines flights
British Airways	PriceFrom $553	Free Cancellation	Rating 6.7 7,923 reviews	Search British Airways flights
Delta	PriceFrom $554	Free Cancellation	Rating 7.9 8,463 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $588	Free Cancellation	Rating 7.4 1,761 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $643	Free Cancellation	Rating 7.4 9,672 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom $653	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
KLM	PriceFrom $653	Free Cancellation	Rating 7.8 1,508 reviews	Search KLM flights
Air Canada	PriceFrom $655	Free Cancellation	Rating 7.1 10,974 reviews	Search Air Canada flights

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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 $565

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 6/23. 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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Air Canada flights from St. Louis to Athens

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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

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Athens

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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List of cabin classes available on flights landing in Athens. Availability may vary depending on flight origin and airline.

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