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Warsaw

$354+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — WAW
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
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 October 16, 2025.

Round-trip from

$538
(American Airlines)

One-way from

$354
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$596
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 ($228 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 16, 2025.

This American Airlines deal was found by Cheapflights users on 10/15. 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 11/277:11 amSTL - WAW
2 stops27h 14mAmerican Airlines
Thu 12/48:50 amWAW - STL
2 stops17h 37mAmerican Airlines
Deal found 10/15$538
This Gurufare deal was found by Cheapflights users on 10/15. 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.
Thu 11/2710:00 amSTL - WAW
2 stops19h 55mLufthansa
Thu 12/42:30 pmWAW - STL
1 stop30h 25mLufthansa
Deal found 10/15$596
This Ovago deal was found by Cheapflights users on 10/15. 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.
Thu 11/612:31 pmSTL - WAW
2 stops17h 24mLufthansa
Wed 11/196:30 amWAW - STL
1 stop14h 25mLufthansa
Deal found 10/15$633
This American Airlines deal was found by Cheapflights users on 10/15. 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 11/62:53 pmSTL - WAW
2 stops19h 32mAmerican Airlines
Wed 11/198:50 amWAW - STL
2 stops21h 09mAmerican Airlines
Deal found 10/15$638
This Scandinavian Airlines deal was found by Cheapflights users on 10/16. 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.
Thu 11/273:15 pmSTL - WAW
3 stops22h 55mScandinavian Airlines
Thu 12/410:15 amWAW - STL
2 stops17h 47mScandinavian Airlines
Deal found 10/16$751
This Gotogate deal was found by Cheapflights users on 10/15. 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.
Sat 11/294:05 pmSTL - WAW
2 stops38h 45mMultiple Airlines
Sat 12/62:35 pmWAW - STL
1 stop30h 20mMultiple Airlines
Deal found 10/15$882
This Gotogate deal was found by Cheapflights users on 10/16. 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.
Sat 12/1310:47 amSTL - WAW
2 stops16h 18mAer Lingus
Sun 12/2810:45 amWAW - STL
2 stops20h 00mAer Lingus
Deal found 10/16$997
This Mytrip deal was found by Cheapflights users on 10/16. 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 12/134:05 pmSTL - WAW
2 stops38h 45mMultiple Airlines
Sun 12/286:30 amWAW - STL
1 stop14h 25mMultiple Airlines
Deal found 10/16$1,219
This Gurufare deal was found by Cheapflights users on 10/15. 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.
Sat 12/206:35 pmSTL - WAW
2 stops34h 45mLufthansa
Thu 1/17:40 amWAW - STL
2 stops22h 53mLufthansa
Deal found 10/15$1,615

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 October 16, 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

Thu 11/27

7:11 am-5:25 pm

2 stops27h 14m

Warsaw Frederic Chopin

Thu 12/4

8:50 am-7:27 pm

2 stops17h 37m

$538

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Thu 11/27

10:00 am-12:55 pm

2 stops19h 55m

Warsaw Frederic Chopin

Thu 12/4

2:30 pm-1:55 pm

1 stop30h 25m

$596

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Thu 11/6

12:31 pm-12:55 pm

2 stops17h 24m

Warsaw Frederic Chopin

Wed 11/19

6:30 am-1:55 pm

1 stop14h 25m

$633

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Thu 11/27

3:15 pm-9:10 pm

3 stops22h 55m

Warsaw Frederic Chopin

Thu 12/4

8:00 am-11:40 pm

3 stops22h 40m

$638

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sat 11/29

8:39 am-11:55 am

2 stops20h 16m

Warsaw Frederic Chopin

Sat 12/6

8:50 am-7:36 pm

2 stops17h 46m

$638

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Thu 11/6

2:53 pm-5:25 pm

2 stops19h 32m

Warsaw Frederic Chopin

Wed 11/19

8:50 am-10:59 pm

2 stops21h 09m

$638

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sat 12/13

10:47 am-10:05 am

2 stops16h 18m

Warsaw Frederic Chopin

Sun 12/28

10:45 am-11:45 pm

2 stops20h 00m

$997

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sat 12/13

4:05 pm-1:50 pm

2 stops38h 45m

Warsaw Frederic Chopin

Sun 12/28

6:30 am-1:55 pm

1 stop14h 25m

$1,219

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sat 11/15

7:00 am-2:15 pm

2 stops24h 15m

$439

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sat 11/15

4:05 pm-1:05 pm

1 stop14h 00m

$1,351

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

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, October is the cheapest month in which you can book a flight from St. Louis to Warsaw (average of $596). Flying from St. Louis to Warsaw in January is currently the most expensive (average of $1,690). 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 October 16, 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 October 16, 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
7.9
Good
7,978 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,978 reviews
Delta
7.9
Good
7,978 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,404 reviews
Delta
7.9
Good
7,978 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,982 reviews
Delta
7.9
Good
7,978 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,040 reviews
Delta
7.9
Good
7,978 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,497 reviews
Delta
7.9
Good
7,978 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

7.9

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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. 5 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 19h 55m. Fly via American Airlines or Lufthansa 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.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Lufthansa 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, October is the cheapest month in which you can book a flight from St. Louis to Warsaw (average of $596). Flying from St. Louis to Warsaw in January is currently the most expensive (average of $1,690). 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 5 airlines flying from St. Louis to Warsaw

Discover the top 5 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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$623Average$1,094FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$628Average$848FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$639Average$1,470FlexibilityNo cancel feeOn-time69%
KLMCheapest$722Average$1,641FlexibilityNo cancel feeOn-time75%
DeltaCheapest$765Average$1,556FlexibilityNo cancel feeOn-timeN/A

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