HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Warsaw

$540+ Cheap flights from St. Louis (STL) to Warsaw

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — WAW
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Warsaw with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from St. Louis to Warsaw

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Warsaw (WA1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 6, 2025.

Round-trip from

$540
(Cheapflightsfares)

Popular in

January

Cheapest in

October

Average price

$952
From Lambert-St Louis to Warsaw
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($237 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($58 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from St. Louis to Warsaw

Cheapest flights from St. Louis to Warsaw
Explore the most affordable flight options available from St. Louis to Warsaw. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This FlightHub deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/273:15 pmSTL - WAW
2 stops35h 20mScandinavian Airlines
Thu 12/47:45 pmWAW - STL
2 stops34h 57mScandinavian Airlines
Deal found 11/5$601
This Ovago deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2710:00 amSTL - WAW
2 stops29h 30mLufthansa
Thu 12/46:30 pmWAW - STL
1 stop26h 25mLufthansa
Deal found 11/6$754
This Air Canada deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/274:05 pmSTL - WAW
2 stops19h 50mMultiple Airlines
Thu 12/47:30 amWAW - STL
3 stops38h 59mMultiple Airlines
Deal found 11/6$1,050
This Mytrip deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/154:05 pmSTL - WAW
2 stops38h 45mMultiple Airlines
Wed 11/196:20 pmWAW - STL
3 stops35h 25mMultiple Airlines
Deal found 11/6$1,386

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Warsaw that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from St. Louis to Warsaw that are best for you.

Fly from

St. Louis

Fly to

Warsaw

Route

Depart

Return

Price

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sun 1/4

6:35 pm-10:40 pm

2 stops21h 05m

Warsaw Frederic Chopin

Sun 1/25

6:30 am-1:55 pm

1 stop14h 25m

$540

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Thu 11/27

3:15 pm-9:35 am

2 stops35h 20m

Warsaw Frederic Chopin

Thu 12/4

7:45 pm-11:42 pm

2 stops34h 57m

$601

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sun 3/15

4:05 pm-12:55 pm

2 stops14h 50m

Warsaw Frederic Chopin

Wed 3/25

6:30 am-2:55 pm

1 stop14h 25m

$675

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Fri 3/27

4:05 pm-12:55 pm

2 stops14h 50m

Warsaw Frederic Chopin

Tue 3/31

9:40 am-7:25 pm

2 stops16h 45m

$738

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Thu 11/27

10:00 am-10:30 pm

2 stops29h 30m

Warsaw Frederic Chopin

Thu 12/4

6:30 pm-1:55 pm

1 stop26h 25m

$754

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Fri 3/27

4:50 pm-1:50 pm

1 stop15h 00m

Warsaw Frederic Chopin

Tue 3/31

9:40 am-1:30 pm

1 stop34h 50m

$755

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Best time to book a flight from St. Louis to Warsaw

Have a flexible travel schedule? Discover the best time to fly to Warsaw from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Warsaw

What is the cheapest month to book a flight from St. Louis to Warsaw?

Currently, October is the cheapest month in which you can book a flight from St. Louis to Warsaw (average of $596). Flying from St. Louis to Warsaw in January is currently the most expensive (average of $1,690). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to WAW?

Find hourly flight availability from St. Louis to Warsaw. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 29% on flights from St. Louis to Warsaw by exploring options for tickets in the morning.

How much does it cost to fly round-trip from St. Louis to Warsaw?

Reviews of airlines servicing Warsaw

Get insights into the airlines that provide service to Warsaw. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Warsaw. Reviews last updated November 6, 2025.
Peruse reviews from past customers who have flown with American Airlines and Lufthansa from St. Louis to Warsaw to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,040 reviews

Food

6.4

Comfort

7.2

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,040 reviews
American Airlines
7.2
Good
11,040 reviews

Food

6.4

Comfort

7.2

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
Lufthansa
6.8
Okay
7,558 reviews
American Airlines
7.2
Good
11,040 reviews

Food

6.4

Comfort

7.2

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Warsaw. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Warsaw?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Warsaw. 2 airlines have flights from Lambert-St Louis to Warsaw on a regular basis. Booking flights from Lambert-St Louis to Warsaw should not be difficult; the airport handles an average of 0 outbound flights to Warsaw per day.

  • How long is the flight from St. Louis to Warsaw?

    There are many flights that can get you from St. Louis to Warsaw in 21h 05m. Fly via Lufthansa or Scandinavian Airlines to get the fastest option. Airlines will cover a distance of 4924 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from St. Louis to Warsaw round-trip?

    Lufthansa, at $623, was found to be the cheapest airline from St. Louis to Warsaw. An alternate airline flying to your destination would be American Airlines. Lufthansa is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from St. Louis to Warsaw that include hotel bookings?

    Yes. In addition to deals on St. Louis to Warsaw flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Warsaw?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Warsaw.

  • Can I find deals for business class flights from St. Louis to Warsaw?

    Yes. Cheapflights offers flight deals from St. Louis to Warsaw by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Warsaw?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Warsaw (average of $596). Flying from St. Louis to Warsaw in January is currently the most expensive (average of $1,690). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from St. Louis to Warsaw

Discover the top 2 airlines that operate flights from St. Louis to Warsaw. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$623Average$1,094FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$628Average$848FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.