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$579+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
STL — WAW
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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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 agosto 14, 2025.

Round-trip from

$587
(FlightHub)

One-way from

$579
(Ovago)

Popular in

January

Cheapest in

February

Average price

$1,094
From Lambert-St Louis to Warsaw
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One-way flight from Lambert-St Louis to Warsaw
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Highest demand for flights based on searches. 17% potential increase in price ($226 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 agosto 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/14. 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.
jue. 11/273:15 pmSTL - WAW
2 stops20h 50mScandinavian Airlines
jue. 12/410:15 amWAW - STL
2 stops20h 24mScandinavian Airlines
Deal found 8/14$587
This Ovago deal was found by Cheapflights users on 8/14. 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.
jue. 11/2710:00 amSTL - WAW
2 stops19h 55mLufthansa
jue. 12/46:30 pmWAW - STL
1 stop26h 25mLufthansa
Deal found 8/14$675
This American Airlines deal was found by Cheapflights users on 8/14. 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.
vie. 11/145:56 pmSTL - WAW
2 stops20h 49mAmerican Airlines
dom. 11/238:50 amWAW - STL
2 stops20h 39mAmerican Airlines
Deal found 8/14$695
This Booking.com deal was found by Cheapflights users on 8/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/143:50 pmSTL - WAW
1 stop15h 00mLufthansa
dom. 11/236:30 amWAW - STL
1 stop14h 25mLufthansa
Deal found 8/14$703
This United Airlines deal was found by Cheapflights users on 8/14. 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.
vie. 11/148:25 amSTL - WAW
2 stops24h 50mUnited Airlines
dom. 11/236:30 amWAW - STL
1 stop14h 25mUnited Airlines
Deal found 8/14$708
This United Airlines deal was found by Cheapflights users on 8/13. 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.
vie. 9/126:35 amSTL - WAW
2 stops28h 40mUnited Airlines
mié. 9/176:40 amWAW - STL
2 stops20h 17mUnited Airlines
Deal found 8/13$717
This Gurufare deal was found by Cheapflights users on 8/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/275:28 pmSTL - WAW
2 stops36h 02mLufthansa
sáb. 10/47:25 pmWAW - STL
1 stop25h 05mLufthansa
Deal found 8/12$806
This United Airlines deal was found by Cheapflights users on 8/12. 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.
sáb. 9/275:28 pmSTL - WAW
2 stops36h 02mUnited Airlines
sáb. 10/42:20 pmWAW - STL
2 stops34h 57mUnited Airlines
Deal found 8/12$813
This FlightHub deal was found by Cheapflights users on 8/13. 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.
mié. 8/133:40 pmSTL - WAW
2 stops20h 25mScandinavian Airlines
mié. 8/2710:15 amWAW - STL
2 stops18h 47mScandinavian Airlines
Deal found 8/13$827

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 agosto 14, 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

jue. 11/27

3:15 pm-9:35 am

2 stops35h 20m

Warsaw Frederic Chopin

jue. 12/4

10:15 am-11:39 pm

2 stops20h 24m

$587

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

jue. 11/27

10:00 am-12:55 pm

2 stops19h 55m

Warsaw Frederic Chopin

jue. 12/4

6:30 pm-1:55 pm

1 stop26h 25m

$675

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

vie. 11/14

5:56 pm-9:45 pm

2 stops20h 49m

Warsaw Frederic Chopin

dom. 11/23

8:50 am-10:29 pm

2 stops20h 39m

$695

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

vie. 11/14

3:50 pm-1:50 pm

1 stop15h 00m

Warsaw Frederic Chopin

dom. 11/23

6:30 am-1:55 pm

1 stop14h 25m

$703

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

vie. 11/14

8:25 am-4:15 pm

2 stops24h 50m

Warsaw Frederic Chopin

dom. 11/23

6:30 am-1:55 pm

1 stop14h 25m

$708

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

vie. 9/12

6:35 am-6:15 pm

2 stops28h 40m

Warsaw Frederic Chopin

mié. 9/17

6:40 am-7:57 pm

2 stops20h 17m

$717

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

sáb. 9/27

5:28 pm-12:30 pm

2 stops36h 02m

Warsaw Frederic Chopin

sáb. 10/4

7:25 pm-1:30 pm

1 stop25h 05m

$806

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

sáb. 9/27

1:26 pm-9:00 pm

2 stops24h 34m

$579

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

jue. 8/28

11:27 am-10:30 am

2 stops16h 03m

$1,553

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

vie. 11/14

4:14 pm-7:05 pm

3 stops43h 51m

$1,614

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 12 results
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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, January is the cheapest month in which you can book a flight from St. Louis to Warsaw (average of $576). Flying from St. Louis to Warsaw in June is currently the most expensive (average of $1,022). 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 agosto 14, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 30% 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 agosto 14, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and United Airlines 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.
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,381 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,317 reviews
Delta
8.0
Very good
7,980 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection 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. 4 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.

  • 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.Alternate airlines to your destination round-trip include United Airlines and KLM. Lufthansa is priced at 43% 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, January is the cheapest month in which you can book a flight from St. Louis to Warsaw (average of $576). Flying from St. Louis to Warsaw in June is currently the most expensive (average of $1,022). 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

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Top 4 airlines flying from St. Louis to Warsaw

Discover the top 4 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$623Average$1,094FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$639Average$1,470FlexibilityNo cancel feeOn-time69%
KLMCheapest$722Average$1,287FlexibilityNo cancel feeOn-time75%
DeltaCheapest$765Average$1,556FlexibilityNo cancel feeOn-timeN/A

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