$409+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — WAW
Mar 14 — Mar 211
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
Best
Last-minute
One-way
Cheapest flights from St. Louis to WarsawExplore 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 February 12, 2026.
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 February 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/293:30 pm
STL
- WAW
1 stop15h 00m
Lufthansa
Tue 4/147:10 pm
WAW
- STL
1 stop25h 15m
Lufthansa
Deal found 2/10![Lufthansa logo]()
$525
This Gotogate deal was found by Cheapflights users on 2/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/293:30 pm
STL
- WAW
1 stop15h 00m
Multiple Airlines
Tue 4/146:50 am
WAW
- STL
2 stops39h 34m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Sun 3/296:35 pm
STL
- WAW
2 stops14h 45m
United Airlines
Tue 4/146:50 am
WAW
- STL
2 stops21h 57m
United Airlines
Deal found 2/10![United Airlines logo]()
$546
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:46 am
STL
- WAW
2 stops18h 34m
American Airlines
Thu 4/21:00 pm
WAW
- STL
2 stops15h 11m
American Airlines
Deal found 2/9![American Airlines logo]()
$566
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:55 pm
STL
- WAW
2 stops19h 30m
American Airlines
Fri 5/18:55 am
WAW
- STL
2 stops20h 22m
American Airlines
Deal found 2/9![American Airlines logo]()
$590
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 7/159:23 am
STL
- WAW
2 stops24h 52m
United Airlines
Wed 9/236:45 am
WAW
- STL
1 stop13h 40m
United Airlines
Deal found 2/10![United Airlines logo]()
$622
Best flights from St. Louis to WarsawDiscover carefully curated flight deals from St. Louis to Warsaw that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
Discover carefully curated flight deals from St. Louis to Warsaw that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/293:30 pm
STL
- WAW
1 stop15h 00m
Lufthansa
Tue 4/147:10 pm
WAW
- STL
1 stop25h 15m
Lufthansa
Deal found 2/10![Lufthansa logo]()
$525
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Sun 3/296:35 pm
STL
- WAW
2 stops14h 45m
United Airlines
Tue 4/146:50 am
WAW
- STL
2 stops21h 57m
United Airlines
Deal found 2/10![United Airlines logo]()
$546
This Finnair deal was found by Cheapflights users on 2/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:00 am
STL
- WAW
2 stops31h 30m
Multiple Airlines
Tue 4/148:55 am
WAW
- STL
2 stops17h 35m
Multiple Airlines
Deal found 2/8![Multiple Airlines logo]()
$548
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:46 am
STL
- WAW
2 stops18h 34m
American Airlines
Thu 4/21:00 pm
WAW
- STL
2 stops15h 11m
American Airlines
Deal found 2/9![American Airlines logo]()
$566
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:00 am
STL
- WAW
2 stops30h 40m
British Airways
Tue 3/101:05 pm
WAW
- STL
2 stops39h 53m
British Airways
Deal found 2/10![British Airways logo]()
$708
This American Airlines deal was found by Cheapflights users on 2/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:55 pm
STL
- WAW
2 stops16h 00m
American Airlines
Sun 5/38:55 am
WAW
- STL
2 stops17h 35m
American Airlines
Deal found 2/12![American Airlines logo]()
$641
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 4/172:40 pm
STL
- WAW
2 stops24h 25m
United Airlines
Sun 5/36:40 am
WAW
- STL
1 stop13h 45m
United Airlines
Deal found 2/12![United Airlines logo]()
$669
This FlightHub deal was found by Cheapflights users on 2/9. 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.
Fri 4/173:30 pm
STL
- WAW
1 stop15h 00m
Lufthansa
Fri 5/16:25 am
WAW
- STL
1 stop14h 00m
Lufthansa
Deal found 2/9![Lufthansa logo]()
$702
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 3/274:05 pm
STL
- WAW
2 stops43h 20m
United Airlines
Fri 4/31:15 pm
WAW
- STL
2 stops40h 13m
United Airlines
Deal found 2/10![United Airlines logo]()
$693
Last-minute flights from St. Louis to WarsawDiscover last-minute flight deals from St. Louis to Warsaw. Data last updated February 12, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Warsaw. Data last updated February 12, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Wed 2/258:41 am
STL
- WAW
2 stops24h 49m
United Airlines
Sun 3/16:30 am
WAW
- STL
1 stop14h 25m
United Airlines
Deal found 2/9![United Airlines logo]()
$732
This oojo deal was found by Cheapflights users on 2/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:00 am
STL
- WAW
2 stops30h 40m
British Airways
Tue 3/101:05 pm
WAW
- STL
2 stops39h 53m
British Airways
Deal found 2/10![British Airways logo]()
$708
This American Airlines deal was found by Cheapflights users on 2/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2611:46 am
STL
- WAW
2 stops18h 34m
American Airlines
Thu 4/21:00 pm
WAW
- STL
2 stops15h 11m
American Airlines
Deal found 2/9![American Airlines logo]()
$566
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 3/274:05 pm
STL
- WAW
2 stops43h 20m
United Airlines
Fri 4/31:15 pm
WAW
- STL
2 stops40h 13m
United Airlines
Deal found 2/10![United Airlines logo]()
$693
This Kiwi.com deal was found by Cheapflights users on 2/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/293:30 pm
STL
- WAW
1 stop15h 00m
Lufthansa
Tue 4/147:10 pm
WAW
- STL
1 stop25h 15m
Lufthansa
Deal found 2/10![Lufthansa logo]()
$525
This Gotogate deal was found by Cheapflights users on 2/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/293:30 pm
STL
- WAW
1 stop15h 00m
Multiple Airlines
Tue 4/146:50 am
WAW
- STL
2 stops39h 34m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Sun 3/296:35 pm
STL
- WAW
2 stops14h 45m
United Airlines
Tue 4/146:50 am
WAW
- STL
2 stops21h 57m
United Airlines
Deal found 2/10![United Airlines logo]()
$546
One-way flights from St. Louis to WarsawSearch for one-way flight options from St. Louis to Warsaw. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
Search for one-way flight options from St. Louis to Warsaw. Find affordable one-way fares based on user searches. Data last updated February 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:09 pm
STL
- WAW
3 stops40h 46m
Multiple Airlines
Deal found 2/9![Multiple Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 2/9. 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.
Fri 3/66:05 pm
STL
- WAW
2 stops40h 35m
United Airlines
Deal found 2/9![United Airlines logo]()
$578
This Gotogate deal was found by Cheapflights users on 2/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/63:50 pm
STL
- WAW
1 stop15h 00m
Lufthansa
Deal found 2/9![Lufthansa logo]()
$951
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 February 12, 2026.
Round-trip from | $525 (Kiwi.com) |
|---|---|
One-way from | $409 (Kiwi.com) |
Popular in | July |
Cheapest in | October |
Average price | $646 |
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 February 12, 2026.
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 3/29
3:30 pm-1:30 pm
1 stop15h 00m
Warsaw Frederic Chopin
Tue 4/14
7:10 pm-1:25 pm
1 stop25h 15m
$525
St. LouisWarsaw
STL - WAW
STLWAW
Lambert-St Louis
Sun 3/29
6:35 pm-4:20 pm
2 stops14h 45m
Warsaw Frederic Chopin
Tue 4/14
6:50 am-9:47 pm
2 stops21h 57m
$546
St. LouisWarsaw
STL - WAW
STLWAW
Lambert-St Louis
Sun 3/29
6:00 am-8:30 pm
2 stops31h 30m
Warsaw Frederic Chopin
Tue 4/14
8:55 am-7:30 pm
2 stops17h 35m
$548
St. LouisWarsaw
STL - WAW
STLWAW
Lambert-St Louis
Thu 3/26
11:46 am-12:20 pm
2 stops18h 34m
Warsaw Frederic Chopin
Thu 4/2
1:00 pm-9:11 pm
2 stops15h 11m
$566
St. LouisWarsaw
STL - WAW
STLWAW
Lambert-St Louis
Fri 4/17
6:55 pm-5:55 pm
2 stops16h 00m
Warsaw Frederic Chopin
Sun 5/3
8:55 am-7:30 pm
2 stops17h 35m
$641
St. LouisWarsaw
STL - WAW
STLWAW
Lambert-St Louis
Fri 4/17
2:40 pm-10:05 pm
2 stops24h 25m
Warsaw Frederic Chopin
Sun 5/3
6:40 am-1:25 pm
1 stop13h 45m
$669
St. LouisWarsaw
STL - WAW
STLWAW
Lambert-St Louis
Fri 3/27
4:05 pm-5:25 pm
2 stops43h 20m
Warsaw Frederic Chopin
Fri 4/3
1:15 pm-10:28 pm
2 stops40h 13m
$693
St. LouisWarsaw
STL - WAW
STLWAW
Lambert-St Louis
Fri 4/17
3:30 pm-1:30 pm
1 stop15h 00m
Warsaw Frederic Chopin
Fri 5/1
6:25 am-1:25 pm
1 stop14h 00m
$702
St. LouisWarsaw
STL - WAW
STLWAW
Lambert-St Louis
Tue 3/3
8:00 am-9:40 pm
2 stops30h 40m
Warsaw Frederic Chopin
Tue 3/10
1:05 pm-10:58 pm
2 stops39h 53m
$708
St. LouisWarsaw
STL - WAW
STLWAW
Lambert-St Louis
Fri 3/6
1:09 pm-12:55 pm
3 stops40h 46m
$409
Showing 1-10 of 12 results
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.
STL-WA1
STL-WAW
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
STL-WA1
STL-WAW
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 February 12, 2026.
Peruse reviews from past customers who have flown with United 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.
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Comfort
7.3
Boarding
7.7
Entertainment
7.1
Overall
7.4
Crew
8.1
Food
6.6
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
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.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
Alternative routes for St. Louis to Warsaw
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Warsaw by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to Warsaw by cabin class
Find flights from St. Louis to Warsaw, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Warsaw flights
Browse other St. Louis and Warsaw flight options. Last updated on February 12, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on February 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 February 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$547 | Average$1,094 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$639 | Average$880 | FlexibilityNo cancel fee | On-time69% |