$448 Cheap Flights from St. Louis (STL) to Warsaw (WAW)

View $448 flight on Mon, Nov 10, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Frederic Chopin Airport (WAW)

Cheap Flights from St. Louis to Warsaw (STL-WAW)

Prices were available within the past 7 days and start at $448 for one-way flights and $517 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Fri, Oct 24 - Fri, Oct 31
STL
St. Louis
WAW
Warsaw
$517 Roundtrip, found 1 day ago
$517
Roundtrip
found 1 day ago
Select Scandinavian Airlines flight, departing Fri, Oct 24 from St. Louis to Warsaw, returning Fri, Oct 31, priced at $517 found 1 day ago
British Airways
Wed, Jan 21 - Thu, Jan 29
STL
St. Louis
WAW
Warsaw
$546 Roundtrip, found 6 days ago
$546
Roundtrip
found 6 days ago
Select British Airways flight, departing Wed, Jan 21 from St. Louis to Warsaw, returning Thu, Jan 29, priced at $546 found 6 days ago
Scandinavian Airlines
Mon, Nov 10 - Sun, Nov 16
STL
St. Louis
WAW
Warsaw
$547 Roundtrip, found 2 hours ago
$547
Roundtrip
found 2 hours ago
Select Scandinavian Airlines flight, departing Mon, Nov 10 from St. Louis to Warsaw, returning Sun, Nov 16, priced at $547 found 2 hours ago
Lufthansa
Wed, Oct 29 - Wed, Nov 5
STL
St. Louis
WAW
Warsaw
$558 Roundtrip, found 2 days ago
$558
Roundtrip
found 2 days ago
Select Lufthansa flight, departing Wed, Oct 29 from St. Louis to Warsaw, returning Wed, Nov 5, priced at $558 found 2 days ago
Air Canada
Wed, Jan 14 - Wed, Jan 21
STL
St. Louis
WAW
Warsaw
$559 Roundtrip, found 4 days ago
$559
Roundtrip
found 4 days ago
Select Air Canada flight, departing Wed, Jan 14 from St. Louis to Warsaw, returning Wed, Jan 21, priced at $559 found 4 days ago
Lufthansa
Wed, Jan 14 - Wed, Jan 21
STL
St. Louis
WAW
Warsaw
$560 Roundtrip, found 4 days ago
$560
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Wed, Jan 14 from St. Louis to Warsaw, returning Wed, Jan 21, priced at $560 found 4 days ago
British Airways
Mon, Jan 19 - Tue, Jan 27
STL
St. Louis
WAW
Warsaw
$566 Roundtrip, found 6 days ago
$566
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Jan 19 from St. Louis to Warsaw, returning Tue, Jan 27, priced at $566 found 6 days ago
Air Canada
Tue, Oct 21 - Tue, Nov 11
STL
St. Louis
WAW
Warsaw
$568 Roundtrip, found 1 day ago
$568
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Oct 21 from St. Louis to Warsaw, returning Tue, Nov 11, priced at $568 found 1 day ago
United
Sun, Nov 16 - Tue, Dec 2
STL
St. Louis
WAW
Warsaw
$569 Roundtrip, found 6 days ago
$569
Roundtrip
found 6 days ago
Select United flight, departing Sun, Nov 16 from St. Louis to Warsaw, returning Tue, Dec 2, priced at $569 found 6 days ago
British Airways
Tue, Jan 13 - Wed, Jan 21
STL
St. Louis
WAW
Warsaw
$569 Roundtrip, found 4 days ago
$569
Roundtrip
found 4 days ago
Select British Airways flight, departing Tue, Jan 13 from St. Louis to Warsaw, returning Wed, Jan 21, priced at $569 found 4 days ago

Find the cheapest month to fly from St. Louis (STL) to Warsaw (WAW)

November is typically the cheapest month to fly

From $565 - $1,771 per traveler.

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Frederic Chopin Airport (WAW) cost?
Secure a cheap one-way flight from $448 or cheap return flight from $517 from Lambert-St. Louis Intl. Airport (STL) to Frederic Chopin Airport (WAW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Frederic Chopin Airport (WAW)?
Planning your trip for October can help you save, as it's the cheapest month for flights between STL and WAW. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Frederic Chopin Airport (WAW)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from STL to WAW. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Frederic Chopin Airport (WAW)?
Direct flights from Lambert-St. Louis Intl. Airport (STL) to Frederic Chopin Airport (WAW) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to WAW?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on various factors, such as the carrier 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 Frederic Chopin Airport (WAW)?
To touch down at Frederic Chopin Airport (WAW) 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 Frederic Chopin Airport (WAW) last-minute?
Last-minute fares from STL to WAW are typically more expensive. To lock in the lowest rates, start looking for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a STL to WAW flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to WAW flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place takes the hassle out of travel planning. Just pick your flights and select from our extensive range of hotels, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Frederic Chopin Airport (WAW)?
If you reserved your STL to WAW flight in the last 24 hours, you may be able to cancel or modify it at no cost. 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, go to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Frederic Chopin
Airlines serving
Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United
Roundtrip price
$517
Distance
4927 mi

Book with confidence

Book with confidence

St. Louis to Warsaw Flights

The cheapest times to fly from St. Louis to Warsaw

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

 

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

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

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 Warsaw in 2025. You can also book with separate airlines for your outbound and return journeys, from $448 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 Warsaw 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 Warsaw 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 Warsaw Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.