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$546+ Cheap flights from St. Louis (STL) to Warsaw

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — WAW
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
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Cheap 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 December 22, 2025.

This United Airlines deal was found by Cheapflights users on 12/21. 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 12/286:00 amSTL - WAW
2 stops23h 55mUnited Airlines
Sat 1/102:35 pmWAW - STL
2 stops30h 55mUnited Airlines
Deal found 12/21$802
This Ovago deal was found by Cheapflights users on 12/21. 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.
Sun 12/283:50 pmSTL - WAW
1 stop15h 00mLufthansa
Sat 1/102:35 pmWAW - STL
2 stops34h 08mLufthansa
Deal found 12/21$1,045
This Arangrant deal was found by Cheapflights users on 12/21. 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 Arangrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/284:53 pmSTL - WAW
2 stops15h 37mBritish Airways
Sat 1/101:00 pmWAW - STL
2 stops41h 12mBritish Airways
Deal found 12/21$1,677
This Scandinavian Airlines deal was found by Cheapflights users on 12/21. 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.
Sun 12/281:22 pmSTL - WAW
2 stops17h 58mScandinavian Airlines
Sat 1/108:00 amWAW - STL
3 stops22h 39mScandinavian Airlines
Deal found 12/21$2,972

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 December 22, 2025.

Round-trip from

$546
(United Airlines)

Popular in

January

Cheapest in

October

Average price

$848
From Lambert-St Louis to Warsaw
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 22, 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

Fri 2/20

6:00 pm-10:30 pm

2 stops21h 30m

Warsaw Frederic Chopin

Tue 2/24

6:30 am-3:29 pm

2 stops39h 59m

$546

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sun 2/1

6:40 pm-10:30 pm

2 stops20h 50m

Warsaw Frederic Chopin

Sun 2/8

7:45 pm-3:29 pm

2 stops50h 44m

$547

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 2/4

1:00 pm-12:05 pm

2 stops16h 05m

Warsaw Frederic Chopin

Tue 2/10

6:05 am-11:25 pm

2 stops24h 20m

$548

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Mon 2/2

9:45 am-12:05 pm

2 stops19h 20m

Warsaw Frederic Chopin

Tue 2/10

6:05 am-8:43 pm

2 stops21h 38m

$548

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Tue 2/3

5:56 pm-4:30 pm

2 stops15h 34m

Warsaw Frederic Chopin

Sun 2/8

6:05 am-11:25 pm

2 stops24h 20m

$548

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Thu 1/29

10:19 am-12:05 pm

2 stops18h 46m

Warsaw Frederic Chopin

Mon 2/9

12:45 pm-8:43 pm

2 stops38h 58m

$548

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Fri 1/30

6:25 am-3:05 pm

2 stops25h 40m

Warsaw Frederic Chopin

Thu 2/5

6:05 am-8:43 pm

2 stops21h 38m

$548

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sat 1/31

7:25 am-4:30 pm

2 stops26h 05m

Warsaw Frederic Chopin

Mon 2/9

6:05 am-8:43 pm

2 stops21h 38m

$548

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 2/4

6:00 am-12:05 pm

2 stops23h 05m

Warsaw Frederic Chopin

Wed 2/11

6:05 am-4:37 pm

2 stops17h 32m

$548

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sat 1/31

7:25 am-4:30 pm

2 stops26h 05m

Warsaw Frederic Chopin

Wed 2/11

6:05 am-8:43 pm

2 stops21h 38m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

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 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 December 22, 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 December 22, 2025.
Peruse reviews from past customers who have flown with American 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.
American Airlines
7.2
Good
11,053 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Food

6.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,053 reviews
American Airlines
7.2
Good
11,053 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Food

6.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
Lufthansa
6.8
Okay
7,644 reviews
American Airlines
7.2
Good
11,053 reviews

Boarding

7.5

Comfort

7.2

Crew

8.0

Food

6.5

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

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. 2 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 16h 05m. Fly via United Airlines or Delta 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. An alternate airline flying to your destination would be American Airlines. Lufthansa is priced at 38% 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.

See more FAQs

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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 December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$623Average$1,094FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$628Average$848FlexibilityNo cancel feeOn-time71%

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