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$774+ 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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — STL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. 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 2/56:45 am
PRG
-
STL
2 stops24h 14m
American Airlines
Sun 2/83:37 pm
STL
-
PRG
2 stops19h 33m
American Airlines
Deal found 1/26$860
This Gurufare deal was found by Cheapflights users on 1/27. 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 3/136:00 am
PRG
-
STL
2 stops19h 29m
British Airways
Fri 3/206:57 pm
STL
-
PRG
2 stops20h 08m
British Airways
Deal found 1/27$879
This British Airways deal was found by Cheapflights users on 1/27. 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.
Thu 2/1210:30 am
PRG
-
STL
2 stops17h 42m
British Airways
Mon 2/164:13 pm
STL
-
PRG
2 stops21h 22m
British Airways
Deal found 1/27$915
This Expedia deal was found by Cheapflights users on 1/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/137:35 am
PRG
-
STL
1 stop13h 20m
Lufthansa
Fri 3/2011:28 am
STL
-
PRG
2 stops24h 47m
Lufthansa
Deal found 1/27$961
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/127:35 am
PRG
-
STL
3 stops18h 39m
Air Canada
Mon 2/164:05 pm
STL
-
PRG
2 stops15h 10m
Air Canada
Deal found 1/27$1,431
This Mytrip deal was found by Cheapflights users on 1/27. 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 3/139:55 am
PRG
-
STL
3 stops35h 34m
Multiple Airlines
Fri 3/202:19 pm
STL
-
PRG
2 stops14h 56m
Multiple Airlines
Deal found 1/27$1,634

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$879
(Gurufare)

One-way from

$774
(Ovago)
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 January 29, 2026.
Use the filters below to find and compare flights from Prague to St. Louis that are best for you.

Fly from

Prague

Fly to

St. Louis

Route

Depart

Return

Price

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Fri 3/13

6:00 am-7:29 pm

2 stops19h 29m

Lambert-St Louis

Fri 3/20

6:57 pm-9:05 pm

2 stops20h 08m

$879

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Thu 2/12

10:30 am-9:12 pm

2 stops17h 42m

Lambert-St Louis

Mon 2/16

4:13 pm-8:35 pm

2 stops21h 22m

$915

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Fri 3/13

7:35 am-2:55 pm

1 stop13h 20m

Lambert-St Louis

Fri 3/20

11:28 am-6:15 pm

2 stops24h 47m

$961

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Thu 2/12

7:35 am-7:14 pm

3 stops18h 39m

Lambert-St Louis

Mon 2/16

4:05 pm-2:15 pm

2 stops15h 10m

$1,431

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Fri 3/13

9:55 am-3:29 pm

3 stops35h 34m

Lambert-St Louis

Fri 3/20

2:19 pm-11:15 am

2 stops14h 56m

$1,634

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sun 3/29

9:20 pm-9:11 pm

2 stops30h 51m

$774

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sun 3/29

6:10 am-1:25 pm

1 stop14h 15m

$1,222

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sun 3/29

6:10 am-1:25 pm

1 stop14h 15m

$1,225

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 January.
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 20m. Fly via British Airways, Lufthansa, or Air Canada 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
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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