$405 Cheap Flights from St. Louis (STL) to Athens (ATH)

View $405 flight on Mon, Dec 1, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Athens Intl. Airport (ATH)

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Cheap Flights from St. Louis to Athens (STL-ATH)

Prices were available within the past 7 days and start at $405 for one-way flights and $485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Nov 10 - Wed, Nov 26
STL
St. Louis
ATH
Athens
$485 Roundtrip, found 17 hours ago
$485
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Mon, Nov 10 from St. Louis to Athens, returning Wed, Nov 26, priced at $485 found 17 hours ago
United
Thu, Dec 4 - Wed, Dec 10
STL
St. Louis
ATH
Athens
$488 Roundtrip, found 4 days ago
$488
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 4 from St. Louis to Athens, returning Wed, Dec 10, priced at $488 found 4 days ago
Air Canada
Mon, Nov 10 - Wed, Nov 26
STL
St. Louis
ATH
Athens
$491 Roundtrip, found 17 hours ago
$491
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Mon, Nov 10 from St. Louis to Athens, returning Wed, Nov 26, priced at $491 found 17 hours ago
Air Canada
Mon, Nov 10 - Wed, Nov 26
STL
St. Louis
ATH
Athens
$493 Roundtrip, found 17 hours ago
$493
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Mon, Nov 10 from St. Louis to Athens, returning Wed, Nov 26, priced at $493 found 17 hours ago
Delta
Thu, Dec 4 - Thu, Dec 11
STL
St. Louis
ATH
Athens
$493 Roundtrip, found 14 hours ago
$493
Roundtrip
found 14 hours ago
Select Delta flight, departing Thu, Dec 4 from St. Louis to Athens, returning Thu, Dec 11, priced at $493 found 14 hours ago
British Airways
Wed, Nov 12 - Wed, Nov 19
STL
St. Louis
ATH
Athens
$496 Roundtrip, found 5 days ago
$496
Roundtrip
found 5 days ago
Select British Airways flight, departing Wed, Nov 12 from St. Louis to Athens, returning Wed, Nov 19, priced at $496 found 5 days ago
Lufthansa
Wed, Nov 5 - Wed, Nov 19
STL
St. Louis
ATH
Athens
$497 Roundtrip, found 8 hours ago
$497
Roundtrip
found 8 hours ago
Select Lufthansa flight, departing Wed, Nov 5 from St. Louis to Athens, returning Wed, Nov 19, priced at $497 found 8 hours ago
Delta
Mon, Feb 23 - Tue, Mar 10
STL
St. Louis
ATH
Athens
$498 Roundtrip, found 1 day ago
$498
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, Feb 23 from St. Louis to Athens, returning Tue, Mar 10, priced at $498 found 1 day ago
American Airlines
Fri, Feb 6 - Mon, Feb 16
STL
St. Louis
ATH
Athens
$504 Roundtrip, found 1 hour ago
$504
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Fri, Feb 6 from St. Louis to Athens, returning Mon, Feb 16, priced at $504 found 1 hour ago
Iberia
Mon, Jan 12 - Wed, Jan 21
STL
St. Louis
ATH
Athens
$517 Roundtrip, found 11 hours ago
$517
Roundtrip
found 11 hours ago
Select Iberia flight, departing Mon, Jan 12 from St. Louis to Athens, returning Wed, Jan 21, priced at $517 found 11 hours ago

Find the cheapest month to fly from St. Louis (STL) to Athens (ATH)

November is typically the cheapest month to fly

From $549 - $1,471 per traveler.

Alternative airports near Athens

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Eleftherios Venizelos ATH. Cheapest and Closest option available. Average driving time to city center is 28 minutes. Flights from $1,360
ATH
Eleftherios Venizelos
CheapestClosest
Average driving time to city center28 min
Flights from $1,360

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Eleftherios Venizelos Airport (ATH) cost?
Get a cheap one-way flight from $405 or cheap return flight from $485 from Lambert-St. Louis Intl. Airport (STL) to Eleftherios Venizelos Airport (ATH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Eleftherios Venizelos Airport (ATH)?
The cheapest month to fly from STL to ATH is November, when demand is low. Off-peak months are usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Eleftherios Venizelos Airport (ATH)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to ATH flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Eleftherios Venizelos Airport (ATH)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Eleftherios Venizelos Airport (ATH) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to ATH?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on various factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Eleftherios Venizelos Airport (ATH)?
To avoid possible delays on the Lambert-St. Louis Intl. Airport (STL) to Eleftherios Venizelos Airport (ATH) route, fly before 3 PM. Later departures are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Eleftherios Venizelos Airport (ATH) last-minute?
Booking your plane ticket from STL to ATH right before your trip is generally more expensive. However, if there's some wiggle room with your departure dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a STL to ATH flight and hotel package?
Booking a STL to ATH flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Eleftherios Venizelos Airport (ATH)?
If you booked your STL to ATH flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Eleftherios Venizelos
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Royal Jordanian, Scandinavian Airlines, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$484
Distance
5696 mi

Book with confidence

St. Louis to Athens Flights

The cheapest times to fly from St. Louis to Athens

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Athens are during the month of November. You can find some of the cheapest flights from St. Louis to Athens with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Athens

Sunday is one of the best days to book for cheap flights from St. Louis to Athens: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Athens

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Athens in 2025. You can also book with separate airlines for your outbound and return journeys, from $405 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Athens flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Athens airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Athens Flights

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