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St. Louis

$549+ Cheap flights from Prague (PRG) to St. Louis (STL)

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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — STL
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap flight deals from Prague to St. Louis

Cheapest flights from Prague to St. Louis
Explore the most affordable flight options available from Prague to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Thu 6/43:30 pm
PRG
-
STL
2 stops39h 27m
Multiple Airlines
Tue 8/253:30 pm
STL
-
PRG
1 stop12h 20m
Multiple Airlines
Deal found 3/9$943
This British Airways deal was found by Cheapflights users on 3/8. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:15 am
PRG
-
STL
1 stop20h 44m
British Airways
Mon 7/611:18 am
STL
-
PRG
1 stop13h 57m
British Airways
Deal found 3/8$946
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
Tue 6/27:10 am
PRG
-
STL
2 stops23h 47m
Multiple Airlines
Wed 8/263:30 pm
STL
-
PRG
1 stop12h 20m
Multiple Airlines
Deal found 3/9$953
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2210:15 am
PRG
-
STL
1 stop20h 44m
American Airlines
Mon 7/69:08 am
STL
-
PRG
2 stops16h 07m
American Airlines
Deal found 3/8$960
This American Airlines deal was found by Cheapflights users on 3/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:15 am
PRG
-
STL
1 stop16h 13m
American Airlines
Mon 9/147:45 pm
STL
-
PRG
2 stops20h 05m
American Airlines
Deal found 3/8$967
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 3/257:30 am
PRG
-
STL
1 stop13h 25m
Lufthansa
Sun 3/293:30 pm
STL
-
PRG
1 stop19h 25m
Lufthansa
Deal found 3/10$970
This United Airlines deal was found by Cheapflights users on 3/9. 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 6/36:10 am
PRG
-
STL
1 stop14h 15m
United Airlines
Wed 8/269:16 am
STL
-
PRG
2 stops16h 39m
United Airlines
Deal found 3/9$972
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 6/26:10 am
PRG
-
STL
1 stop14h 15m
United Airlines
Sun 8/303:30 pm
STL
-
PRG
1 stop15h 10m
United Airlines
Deal found 3/9$973
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 6/26:10 am
PRG
-
STL
1 stop14h 15m
United Airlines
Tue 8/258:55 am
STL
-
PRG
1 stop18h 55m
United Airlines
Deal found 3/9$975
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 6/26:10 am
PRG
-
STL
2 stops21h 15m
United Airlines
Sat 8/291:18 pm
STL
-
PRG
2 stops12h 37m
United Airlines
Deal found 3/9$976
This United Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 6/26:10 am
PRG
-
STL
2 stops21h 15m
United Airlines
Thu 8/271:24 pm
STL
-
PRG
2 stops17h 16m
United Airlines
Deal found 3/9$977

Find flight deals from Prague to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Prague (PRG) to St. Louis (STL). 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 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$943
(Kiwi.com)

One-way from

$549
(Kiwi.com)
Provider with most accurate pricing for Václav Havel Prague-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Václav Havel Prague-Lambert-St Louis flights.
Search Deals
From Václav Havel Prague to Lambert-St Louis
Search Deals
One-way flight from Václav Havel Prague to Lambert-St Louis
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Prague to St. Louis 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 13, 2026.
Use the filters below to find and compare flights from Prague to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Mon 6/22

10:15 am-11:59 pm

1 stop20h 44m

Lambert-St Louis

Mon 7/6

11:18 am-8:15 am

1 stop13h 57m

$946

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Mon 6/22

10:15 am-9:29 pm

2 stops18h 14m

Lambert-St Louis

Mon 7/6

7:00 am-8:15 am

2 stops18h 15m

$960

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Wed 3/25

7:30 am-2:55 pm

1 stop13h 25m

Lambert-St Louis

Sun 3/29

3:30 pm-5:55 pm

1 stop19h 25m

$970

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Mon 6/8

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Tue 8/25

5:32 pm-4:05 pm

2 stops15h 33m

$972
Quickest round-trip

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Wed 6/3

6:10 am-1:25 pm

1 stop14h 15m

Lambert-St Louis

Sun 8/30

1:18 pm-8:55 am

2 stops12h 37m

$972

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sat 6/6

6:00 am-2:23 pm

2 stops15h 23m

Lambert-St Louis

Mon 8/31

1:18 pm-8:55 am

2 stops12h 37m

$978

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Wed 6/3

2:35 pm-8:41 am

2 stops25h 06m

Lambert-St Louis

Sat 8/29

1:18 pm-8:55 am

2 stops12h 37m

$978

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sun 6/7

6:10 am-3:46 pm

2 stops16h 36m

Lambert-St Louis

Fri 8/28

3:30 pm-1:40 pm

1 stop15h 10m

$979

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sat 8/15

6:00 am-9:22 pm

2 stops22h 22m

Lambert-St Louis

Thu 8/20

5:32 pm-4:05 pm

2 stops15h 33m

$980
Cheapest one-way

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Thu 7/16

9:10 am-7:47 am

3 stops29h 37m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Prague to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Prague to St. Louis in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Prague-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Prague-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Prague-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Prague-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Prague-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Prague to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Prague 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.

Related info for your journey

Find useful and relevant information for your journey from Prague to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Prague to St. Louis?

    There are many flights that can get you from Prague to St. Louis in 13h 25m. Fly via British Airways, American Airlines, or Lufthansa to get the fastest option. There are 4783 mi between Prague and St. Louis. This flight may include one or multiple stops.

  • Can I find deals for flights from Prague to St. Louis that include hotel bookings?

    Yes. In addition to deals on Prague to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Prague to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Prague to St. Louis.

  • Can I find deals for business class flights from Prague to St. Louis?

    Yes. Cheapflights offers flight deals from Prague to St. Louis 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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