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$494+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
STL — WAW
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Round-trip from

$1,037
(American Airlines)

One-way from

$494
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$744
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 ($234 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 March 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 March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. 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.
Tue 4/111:39 amSTL - WAW
2 stops17h 36mAmerican Airlines
Tue 4/88:50 amWAW - STL
2 stops19h 34mAmerican Airlines
Deal found 3/27$754
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Fri 4/111:00 pmSTL - WAW
3 stops22h 00mMultiple Airlines
Tue 4/156:55 pmWAW - STL
3 stops28h 50mMultiple Airlines
Deal found 3/27$1,099
This Scandinavian Airlines deal was found by Cheapflights users on 3/27. 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.
Mon 7/143:30 pmSTL - WAW
3 stops22h 30mScandinavian Airlines
Mon 7/288:25 amWAW - STL
2 stops22h 14mScandinavian Airlines
Deal found 3/27$1,147
This Gurufare deal was found by Cheapflights users on 3/27. 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.
Fri 4/113:30 pmSTL - WAW
1 stop19h 45mLufthansa
Tue 4/151:10 pmWAW - STL
2 stops15h 38mLufthansa
Deal found 3/27$1,241
This Finnair deal was found by Cheapflights users on 3/27. 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.
Wed 6/44:15 pmSTL - WAW
2 stops21h 10mFinnair
Wed 6/181:00 pmWAW - STL
2 stops17h 54mFinnair
Deal found 3/27$3,877
This United Airlines deal was found by Cheapflights users on 3/27. 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 6/47:30 amSTL - WAW
2 stops22h 00mUnited Airlines
Wed 6/186:40 amWAW - STL
1 stop13h 50mUnited Airlines
Deal found 3/27$3,917
This British Airways deal was found by Cheapflights users on 3/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/78:43 amSTL - WAW
2 stops25h 37mBritish Airways
Fri 6/136:15 pmWAW - STL
2 stops33h 15mBritish Airways
Deal found 3/27$4,454

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 March 28, 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

Mon 7/14

5:27 pm-6:25 pm

2 stops17h 58m

Warsaw Frederic Chopin

Mon 7/28

1:00 pm-10:57 pm

2 stops16h 57m

$1,037

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Fri 4/11

1:00 pm-6:00 pm

3 stops22h 00m

Warsaw Frederic Chopin

Tue 4/15

6:55 pm-4:45 pm

3 stops28h 50m

$1,099

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Mon 7/14

3:30 pm-9:00 pm

3 stops22h 30m

Warsaw Frederic Chopin

Mon 7/28

8:25 am-11:39 pm

2 stops22h 14m

$1,147

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Fri 4/11

3:30 pm-6:15 pm

1 stop19h 45m

Warsaw Frederic Chopin

Tue 4/15

1:10 pm-9:48 pm

2 stops15h 38m

$1,241

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 6/4

4:15 pm-8:10 am

2 stops32h 55m

Warsaw Frederic Chopin

Mon 6/16

9:15 pm-11:54 pm

2 stops33h 39m

$3,877

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 6/4

7:30 am-12:30 pm

2 stops22h 00m

Warsaw Frederic Chopin

Wed 6/18

6:40 am-1:30 pm

1 stop13h 50m

$3,917

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sat 6/7

8:43 am-5:20 pm

2 stops25h 37m

Warsaw Frederic Chopin

Fri 6/13

6:15 pm-8:30 pm

2 stops33h 15m

$4,454

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sun 7/13

5:45 pm-6:30 am

3 stops53h 45m

$494

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 4/23

3:30 pm-6:15 pm

1 stop19h 45m

$608

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 4/23

7:03 pm-8:50 pm

2 stops18h 47m

$611

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 12 results
1
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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 $1,122). 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 March 28, 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 March 28, 2025.
Finnair
7.6
Good
1,267 reviews

Crew

8.1

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Finnair
7.6
Good
1,267 reviews
Finnair
7.6
Good
1,267 reviews

Crew

8.1

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Air France
7.4
Good
1,424 reviews
Finnair
7.6
Good
1,267 reviews

Crew

8.1

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
United Airlines
7.4
Good
8,603 reviews
Finnair
7.6
Good
1,267 reviews

Crew

8.1

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
Scandinavian Airlines
7.3
Good
1,325 reviews
Finnair
7.6
Good
1,267 reviews

Crew

8.1

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the flight
American Airlines
7.2
Good
10,000 reviews
Finnair
7.6
Good
1,267 reviews

Crew

8.1

Food

6.7

Overall

7.6

Entertainment

6.9

Comfort

7.4

Boarding

7.6

Reviews

1 / 20
4.0
Okay

Julia,Feb 2024

JFK - HEL

The bathroom was broken, AC wasn’t working, tv wasn’t working for half the 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?

    American Airlines, at $1,037, was found to be the cheapest airline from St. Louis to Warsaw.Alternate airlines to your destination round-trip include Scandinavian Airlines and Lufthansa. American Airlines is priced at 5% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from St. Louis to Warsaw one-way?

    To fly one-way, consider booking your trip with Lufthansa, which is currently one of the cheapest options available, starting at $608. American Airlines flights start at $611 while deals on Air France start at $625 one-way.

  • 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 $1,122). 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 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$623Average$1,273FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$724Average$1,335FlexibilityNo cancel feeOn-time69%
KLMCheapest$741Average$1,287FlexibilityNo cancel feeOn-time75%
DeltaCheapest$864Average$1,499FlexibilityNo cancel feeOn-timeN/A
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