$454 Cheap Flights from St. Louis (STL) to Tallinn (TLL)

View $454 flight on Sun, Nov 23, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Lennart Meri Airport (TLL)

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Cheap Flights from St. Louis to Tallinn (STL-TLL)

Prices were available within the past 7 days and start at $454 for one-way flights and $539 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Tue, Mar 31 - Tue, Apr 14
STL
St. Louis
TLL
Tallinn
$539 Roundtrip, found 5 days ago
$539
Roundtrip
found 5 days ago
Select Scandinavian Airlines flight, departing Tue, Mar 31 from St. Louis to Tallinn, returning Tue, Apr 14, priced at $539 found 5 days ago
KLM
Wed, Apr 1 - Wed, Apr 15
STL
St. Louis
TLL
Tallinn
$570 Roundtrip, found 1 day ago
$570
Roundtrip
found 1 day ago
Select KLM flight, departing Wed, Apr 1 from St. Louis to Tallinn, returning Wed, Apr 15, priced at $570 found 1 day ago
United
Wed, Apr 1 - Wed, Apr 15
STL
St. Louis
TLL
Tallinn
$587 Roundtrip, found 1 day ago
$587
Roundtrip
found 1 day ago
Select United flight, departing Wed, Apr 1 from St. Louis to Tallinn, returning Wed, Apr 15, priced at $587 found 1 day ago
Lufthansa
Wed, Apr 1 - Wed, Apr 15
STL
St. Louis
TLL
Tallinn
$587 Roundtrip, found 1 day ago
$587
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Wed, Apr 1 from St. Louis to Tallinn, returning Wed, Apr 15, priced at $587 found 1 day ago
British Airways
Wed, Apr 1 - Wed, Apr 15
STL
St. Louis
TLL
Tallinn
$591 Roundtrip, found 1 day ago
$591
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Apr 1 from St. Louis to Tallinn, returning Wed, Apr 15, priced at $591 found 1 day ago
American Airlines
Wed, Apr 1 - Wed, Apr 15
STL
St. Louis
TLL
Tallinn
$591 Roundtrip, found 1 day ago
$591
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Apr 1 from St. Louis to Tallinn, returning Wed, Apr 15, priced at $591 found 1 day ago
Delta
Wed, Apr 1 - Wed, Apr 15
STL
St. Louis
TLL
Tallinn
$596 Roundtrip, found 1 day ago
$596
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Apr 1 from St. Louis to Tallinn, returning Wed, Apr 15, priced at $596 found 1 day ago
British Airways
Mon, Apr 20 - Mon, May 11
STL
St. Louis
TLL
Tallinn
$601 Roundtrip, found 22 hours ago
$601
Roundtrip
found 22 hours ago
Select British Airways flight, departing Mon, Apr 20 from St. Louis to Tallinn, returning Mon, May 11, priced at $601 found 22 hours ago
British Airways
Tue, Mar 31 - Wed, Apr 15
STL
St. Louis
TLL
Tallinn
$619 Roundtrip, found 5 days ago
$619
Roundtrip
found 5 days ago
Select British Airways flight, departing Tue, Mar 31 from St. Louis to Tallinn, returning Wed, Apr 15, priced at $619 found 5 days ago
KLM
Mon, Apr 20 - Mon, May 11
STL
St. Louis
TLL
Tallinn
$620 Roundtrip, found 22 hours ago
$620
Roundtrip
found 22 hours ago
Select KLM flight, departing Mon, Apr 20 from St. Louis to Tallinn, returning Mon, May 11, priced at $620 found 22 hours ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Lennart Meri Airport (TLL) cost?
Grab a cheap one-way flight from $454 or cheap return flight from $539 from Lambert-St. Louis Intl. Airport (STL) to Lennart Meri Airport (TLL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Lennart Meri Airport (TLL)?
March is the cheapest month to fly from STL to TLL. Traveling during quieter months is often the key to finding a great deal.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Lennart Meri Airport (TLL)?
To find the cheapest airline flying from STL to TLL, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Lennart Meri Airport (TLL)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Lennart Meri Airport (TLL) 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 TLL?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can vary based on the time of year, airline and other factors.*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 Lennart Meri Airport (TLL)?
To land at Lennart Meri Airport (TLL) on time, select a flight that leaves Lambert-St. Louis Intl. Airport (STL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Lennart Meri Airport (TLL) last-minute?
Last-minute fares from STL to TLL are usually more expensive. For the lowest prices, start searching for flights as soon as possible. That said, if your travel plans are flexible, you may land a cheap ticket right before your journey.
Is it cheaper to book a STL to TLL flight and hotel package?
Compared with arranging flights and hotels separately, booking a STL to TLL flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the hassle out of planning your trip. Simply pick your flights and select from our wide range of hotels, then customize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Lennart Meri Airport (TLL)?
If you reserved your STL to TLL flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Lennart Meri
Airlines serving
Air Canada, American Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, United
Roundtrip price
$538
Distance
4717 mi

Book with confidence

St. Louis to Tallinn Flights

The cheapest times to fly from St. Louis to Tallinn

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 Tallinn are during the month of March. You can find some of the cheapest flights from St. Louis to Tallinn with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Tallinn: 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 Tallinn

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 Tallinn in 2025. You can also book with separate airlines for your outbound and return journeys, from $454 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 Tallinn 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 Tallinn 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 Tallinn Flights

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*Available to One Key members.