HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Warsaw

$343+ Cheap flights from St. Louis (STL) to Warsaw

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — WAW
Jan 6 — Jan 131
Tue 1/6
Tue 1/13
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

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 December 7, 2025.

This Ovago deal was found by Cheapflights users on 12/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:43 pmSTL - WAW
2 stops37h 47mAer Lingus
Wed 12/1711:10 amWAW - STL
2 stops16h 14mAer Lingus
Deal found 12/5$980
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:35 pmSTL - WAW
2 stops35h 20mUnited Airlines
Mon 1/52:35 pmWAW - STL
2 stops38h 25mUnited Airlines
Deal found 12/7$1,173
This SmartFares deal was found by Cheapflights users on 12/5. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:50 amSTL - WAW
2 stops18h 50mLufthansa
Wed 12/176:30 amWAW - STL
1 stop14h 25mLufthansa
Deal found 12/5$1,502
This Ovago deal was found by Cheapflights users on 12/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:00 pmSTL - WAW
2 stops16h 55mLufthansa
Fri 12/196:40 amWAW - STL
2 stops22h 03mLufthansa
Deal found 12/5$1,645
This Mytrip deal was found by Cheapflights users on 12/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/94:05 pmSTL - WAW
2 stops18h 55mMultiple Airlines
Thu 12/1110:50 amWAW - STL
3 stops34h 05mMultiple Airlines
Deal found 12/5$1,649
This Ovago deal was found by Cheapflights users on 12/5. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:42 pmSTL - WAW
2 stops35h 13mLufthansa
Sat 12/132:35 pmWAW - STL
1 stop30h 20mLufthansa
Deal found 12/5$1,668
This Ovago deal was found by Cheapflights users on 12/7. 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.
Tue 12/236:35 pmSTL - WAW
2 stops35h 20mLufthansa
Sun 1/41:35 pmWAW - STL
2 stops36h 47mLufthansa
Deal found 12/7$1,696
This Mytrip deal was found by Cheapflights users on 12/5. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/64:05 pmSTL - WAW
3 stops20h 00mMultiple Airlines
Sat 12/138:10 amWAW - STL
3 stops22h 34mMultiple Airlines
Deal found 12/5$1,730

Find 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 December 7, 2025.

Round-trip from

$512
(FlightHub)

One-way from

$343
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$848
From Lambert-St Louis to Warsaw
Search Deals
One-way flight from Lambert-St Louis to Warsaw
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($69 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 7, 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

Fri 1/30

3:50 pm-1:50 pm

1 stop15h 00m

Warsaw Frederic Chopin

Tue 2/3

6:30 am-3:15 pm

2 stops39h 45m

$552

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Tue 2/24

5:55 pm-6:45 pm

2 stops17h 50m

Warsaw Frederic Chopin

Mon 3/2

1:05 pm-6:11 pm

2 stops36h 06m

$610

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Mon 2/23

2:00 pm-6:45 pm

2 stops21h 45m

Warsaw Frederic Chopin

Mon 3/2

4:25 pm-10:09 pm

2 stops36h 44m

$610

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 4/1

3:30 pm-12:25 pm

1 stop13h 55m

Warsaw Frederic Chopin

Mon 4/6

8:45 pm-7:48 pm

2 stops30h 03m

$640

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Tue 3/31

6:35 pm-4:20 pm

2 stops14h 45m

Warsaw Frederic Chopin

Tue 4/7

8:45 pm-1:30 pm

1 stop23h 45m

$699

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 4/1

12:23 pm-11:40 am

2 stops16h 17m

Warsaw Frederic Chopin

Tue 4/7

6:00 am-8:41 pm

2 stops21h 41m

$702

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 4/1

3:30 pm-6:20 pm

1 stop19h 50m

Warsaw Frederic Chopin

Tue 4/7

1:15 pm-11:50 pm

2 stops17h 35m

$708

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 1/14

8:32 pm-9:30 am

3 stops53h 58m

$343

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 1/14

3:50 pm-12:20 pm

1 stop13h 30m

$425

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

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 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 December 7, 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.

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 December 7, 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
11,042 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,042 reviews
American Airlines
7.2
Good
11,042 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
Lufthansa
6.8
Okay
7,616 reviews
American Airlines
7.2
Good
11,042 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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 15h. Fly via United Airlines or British Airways 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 38% 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.

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 December 7, 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.