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$275+ 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — WAW
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Round-trip from

$630
(StudentUniverse)

One-way from

$275
(Kiwi.com)

Popular in

January

Cheapest in

March

Average price

$743
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 ($229 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This StudentUniverse deal was found by Cheapflights users on 2/19. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1911:39 amSTL - WAW
2 stops18h 41mFinnair
Wed 3/268:55 amWAW - STL
2 stops16h 35mFinnair
Deal found 2/19$630
This Expedia deal was found by Cheapflights users on 2/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1911:39 amSTL - WAW
2 stops25h 11mBritish Airways
Wed 3/268:55 amWAW - STL
2 stops16h 35mBritish Airways
Deal found 2/19$632
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/194:45 pmSTL - WAW
1 stop19h 10mUnited Airlines
Wed 3/266:35 amWAW - STL
2 stops21h 14mUnited Airlines
Deal found 2/19$660
This Scandinavian Airlines deal was found by Cheapflights users on 2/19. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1910:19 amSTL - WAW
3 stops28h 51mScandinavian Airlines
Wed 3/2610:05 amWAW - STL
2 stops19h 26mScandinavian Airlines
Deal found 2/19$898
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Wed 2/263:45 pmSTL - WAW
1 stop14h 55mMultiple Airlines
Wed 3/55:20 pmWAW - STL
2 stops37h 29mMultiple Airlines
Deal found 2/18$1,038
This Lufthansa deal was found by Cheapflights users on 2/19. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/194:45 pmSTL - WAW
1 stop14h 55mLufthansa
Wed 3/266:35 amWAW - STL
1 stop14h 20mLufthansa
Deal found 2/19$1,259
This FlightHub deal was found by Cheapflights users on 2/19. 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.
Sun 2/235:36 pmSTL - WAW
2 stops17h 39mTurkish Airlines
Sun 3/29:35 amWAW - STL
2 stops36h 01mTurkish Airlines
Deal found 2/19$1,563
This Delta deal was found by Cheapflights users on 2/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2610:20 amSTL - WAW
2 stops18h 40mDelta
Fri 2/2812:45 pmWAW - STL
2 stops17h 52mDelta
Deal found 2/18$1,701
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Sun 2/234:38 pmSTL - WAW
2 stops19h 12mAmerican Airlines
Sun 3/28:55 amWAW - STL
2 stops17h 34mAmerican Airlines
Deal found 2/18$1,739
This Austrian Airlines deal was found by Cheapflights users on 2/18. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2011:59 amSTL - WAW
2 stops19h 16mAustrian Airlines
Fri 2/286:50 amWAW - STL
2 stops23h 42mAustrian Airlines
Deal found 2/18$1,779
This KLM deal was found by Cheapflights users on 2/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2212:52 pmSTL - WAW
2 stops16h 08mKLM
Mon 3/36:05 amWAW - STL
2 stops20h 56mKLM
Deal found 2/18$1,801
This Orbitz deal was found by Cheapflights users on 2/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/223:50 pmSTL - WAW
2 stops15h 55mAir Canada
Sat 3/299:45 amWAW - STL
2 stops35h 14mAir Canada
Deal found 2/19$4,060

Find flights from St. Louis to Warsaw within your budget

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 20, 2025.

Fly from

St. Louis

Fly to

Warsaw

Route

Depart

Return

Price

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 3/19

11:39 am-12:20 pm

2 stops18h 41m

Warsaw Frederic Chopin

Wed 3/26

8:55 am-7:30 pm

2 stops16h 35m

$630

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 3/19

11:39 am-6:50 pm

2 stops25h 11m

Warsaw Frederic Chopin

Wed 3/26

8:55 am-7:30 pm

2 stops16h 35m

$632

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 3/19

4:45 pm-5:55 pm

1 stop19h 10m

Warsaw Frederic Chopin

Wed 3/26

6:35 am-9:49 pm

2 stops21h 14m

$660

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 3/19

10:19 am-9:10 pm

3 stops28h 51m

Warsaw Frederic Chopin

Wed 3/26

10:05 am-11:31 pm

2 stops19h 26m

$898

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Tue 5/27

7:30 am-9:35 am

2 stops19h 05m

Warsaw Frederic Chopin

Tue 8/26

8:25 am-7:40 pm

2 stops18h 15m

$1,211

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 3/19

4:45 pm-1:40 pm

1 stop14h 55m

Warsaw Frederic Chopin

Wed 3/26

6:35 am-2:55 pm

1 stop14h 20m

$1,259

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sat 3/22

3:50 pm-1:45 pm

2 stops15h 55m

Warsaw Frederic Chopin

Sat 3/29

9:45 am-2:59 pm

2 stops35h 14m

$4,060

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Tue 3/11

5:33 pm-6:15 pm

2 stops18h 42m

Warsaw Frederic Chopin

Tue 3/25

9:35 am-2:23 pm

2 stops34h 48m

$4,493

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Tue 5/13

10:36 am-12:15 pm

2 stops18h 39m

Warsaw Frederic Chopin

Wed 5/21

1:00 pm-10:43 am

2 stops28h 43m

$4,618

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Mon 3/31

5:24 pm-8:10 am

3 stops55h 46m

$275

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 11 results
1
2

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.

Travel insights for flights from St. Louis to Warsaw

Get recent, data-driven insights about flights from St. Louis to Warsaw including ideal travel times, pricing trends, and more.

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 $1,154). 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 February 20, 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.

Rainfall in Warsaw by month

Plan your trip to Warsaw by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Warsaw ranges from 0.8 - 2.8 inches per month. July is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Warsaw when rainfall is around 0.8 in.

Temperature in Warsaw by month

Plan your trip to Warsaw by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Warsaw, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 20, 2025.
To help decide which airline to fly from St. Louis to Warsaw, see what other customers have to say about Delta, KLM and Finnair. 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
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.6
Good
1,273 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.6
Good
773 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Finnair, at $630, was found to be the cheapest airline from St. Louis to Warsaw.Alternate airlines to your destination round-trip include British Airways and United Airlines. Finnair is priced at 42% 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 $1,154). 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$623Average$1,341FlexibilityNo cancel feeOn-time76%
KLMCheapest$691Average$1,287FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$724Average$1,335FlexibilityNo cancel feeOn-time69%
DeltaCheapest$877Average$1,499FlexibilityNo cancel feeOn-timeN/A
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