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$485+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — WAW
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
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 January 8, 2026.

Round-trip from

$527
(Gotogate)

Popular in

January

Cheapest in

October

Average price

$1,690
From Lambert-St Louis to Warsaw
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Highest demand for flights based on searches. 6% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 8, 2026.

This oojo deal was found by Cheapflights users on 1/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:18 pmSTL - WAW
2 stops18h 02mBritish Airways
Tue 8/258:55 amWAW - STL
2 stops41h 35mBritish Airways
Deal found 1/8$485
This Booking.com deal was found by Cheapflights users on 1/8. 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.
Sat 8/156:49 pmSTL - WAW
2 stops34h 46mLufthansa
Tue 8/256:50 amWAW - STL
1 stop13h 35mLufthansa
Deal found 1/8$504
This Gotogate deal was found by Cheapflights users on 1/7. 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 3/284:05 pmSTL - WAW
2 stops41h 15mMultiple Airlines
Sun 4/56:40 amWAW - STL
1 stop13h 45mMultiple Airlines
Deal found 1/7$527
This United Airlines deal was found by Cheapflights users on 1/6. 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 1/218:30 amSTL - WAW
2 stops21h 25mUnited Airlines
Sun 1/251:35 pmWAW - STL
2 stops56h 54mUnited Airlines
Deal found 1/6$543
This oojo deal was found by Cheapflights users on 1/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:23 amSTL - WAW
2 stops27h 27mBritish Airways
Sat 8/227:55 amWAW - STL
2 stops19h 28mBritish Airways
Deal found 1/8$560
This FlightHub deal was found by Cheapflights users on 1/8. 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.
Mon 8/176:49 pmSTL - WAW
2 stops14h 31mLufthansa
Sat 8/226:00 amWAW - STL
2 stops16h 21mLufthansa
Deal found 1/8$563
This Gotogate deal was found by Cheapflights users on 1/8. 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.
Mon 8/1712:10 pmSTL - WAW
2 stops17h 25mMultiple Airlines
Sat 8/222:15 pmWAW - STL
1 stop30h 10mMultiple Airlines
Deal found 1/8$565
This Scandinavian Airlines deal was found by Cheapflights users on 1/8. 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 8/171:30 pmSTL - WAW
3 stops24h 30mScandinavian Airlines
Sat 8/228:30 amWAW - STL
2 stops22h 07mScandinavian Airlines
Deal found 1/8$618

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 January 8, 2026.
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

Sat 3/28

4:05 pm-3:20 pm

2 stops41h 15m

Warsaw Frederic Chopin

Sun 4/5

6:40 am-1:25 pm

1 stop13h 45m

$527

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Wed 1/21

8:30 am-12:55 pm

2 stops21h 25m

Warsaw Frederic Chopin

Sun 1/25

1:35 pm-3:29 pm

2 stops56h 54m

$543

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sat 3/28

7:00 pm-3:20 pm

2 stops14h 20m

Warsaw Frederic Chopin

Sun 4/5

6:40 am-1:25 pm

1 stop13h 45m

$621

St. LouisWarsaw

STL - WAW

STLWAW

Lambert-St Louis

Sat 3/28

5:00 pm-8:00 pm

3 stops21h 00m

Warsaw Frederic Chopin

Sun 4/5

10:15 am-11:58 pm

2 stops20h 43m

$958

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

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
No data available for this route at this time. Please check back soon.

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 January 8, 2026.
Peruse reviews from past customers who have flown with American 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.
American Airlines
7.2
Good
11,094 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

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
11,094 reviews
American Airlines
7.2
Good
11,094 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

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. 1 airline 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 14h 20m. Fly via United 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 is the cheapest airline to fly from St. Louis to Warsaw round-trip?

    American Airlines, at $628, was found to be the cheapest airline from St. Louis to Warsaw.. American Airlines is priced at 37% 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

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from St. Louis to Warsaw

Discover the top airline 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$628Average$848FlexibilityNo cancel feeOn-time71%

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