HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
St. Louis

$614+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — STL
May 31 — Jun 71
Sun 5/31
Sun 6/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Prague to St. Louis with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 May 1, 2026.

This Priceline deal was found by Cheapflights users on 4/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:15 am
PRG
-
STL
1 stop20h 08m
British Airways
Wed 9/99:46 am
STL
-
PRG
2 stops24h 19m
British Airways
Deal found 4/29$1,045
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Mon 8/246:00 am
PRG
-
STL
1 stop14h 25m
United Airlines
Tue 9/81:18 pm
STL
-
PRG
2 stops17h 37m
United Airlines
Deal found 4/29$1,046
This United Airlines deal was found by Cheapflights users on 4/29. 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 8/256:10 am
PRG
-
STL
1 stop14h 15m
United Airlines
Mon 9/711:25 am
STL
-
PRG
2 stops18h 20m
United Airlines
Deal found 4/29$1,049
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Fri 5/296:00 am
PRG
-
STL
1 stop14h 25m
United Airlines
Fri 6/58:43 am
STL
-
PRG
2 stops19h 32m
United Airlines
Deal found 5/1$1,050
This Lufthansa deal was found by Cheapflights users on 4/29. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am
PRG
-
STL
1 stop14h 25m
Lufthansa
Tue 9/83:30 pm
STL
-
PRG
1 stop15h 30m
Lufthansa
Deal found 4/29$1,051
This Air Canada deal was found by Cheapflights users on 4/27. 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.
Wed 6/36:10 am
PRG
-
STL
2 stops21h 15m
Air Canada
Wed 6/241:20 pm
STL
-
PRG
2 stops36h 20m
Air Canada
Deal found 4/27$1,052
This United Airlines deal was found by Cheapflights users on 4/30. 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 6/241:13 pm
STL
-
PRG
2 stops16h 32m
United Airlines
Deal found 4/30$1,054
This United Airlines deal was found by Cheapflights users on 4/28. 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 6/106:10 am
PRG
-
STL
1 stop14h 15m
United Airlines
Tue 6/301:20 pm
STL
-
PRG
2 stops21h 30m
United Airlines
Deal found 4/28$1,056
This Gotogate deal was found by Cheapflights users on 4/30. 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.
Sun 6/142:10 pm
PRG
-
STL
2 stops37h 15m
Air Canada
Sun 6/212:15 pm
STL
-
PRG
1 stop13h 35m
Air Canada
Deal found 4/30$1,057

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 May 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,045
(Priceline)

One-way from

$614
(Mytrip)
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 May 1, 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

Fri 5/29

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Fri 6/5

8:43 am-11:15 am

2 stops19h 32m

$1,050

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Fri 8/28

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Wed 9/9

11:25 am-1:30 pm

2 stops19h 05m

$1,051

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Mon 8/24

6:00 am-1:25 pm

1 stop14h 25m

Lambert-St Louis

Sat 9/12

5:32 pm-5:50 pm

2 stops17h 18m

$1,051

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Wed 6/10

10:15 am-11:59 pm

1 stop20h 44m

Lambert-St Louis

Tue 6/30

9:35 pm-4:25 pm

1 stop11h 50m

$1,052

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Wed 6/3

6:10 am-8:25 pm

2 stops21h 15m

Lambert-St Louis

Wed 6/24

1:20 pm-8:40 am

2 stops36h 20m

$1,052
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

Wed 6/24

1:13 pm-12:45 pm

2 stops16h 32m

$1,054

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Tue 8/25

9:10 am-7:31 pm

2 stops17h 21m

Lambert-St Louis

Mon 9/7

7:30 am-8:55 am

2 stops18h 25m

$1,055

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Wed 6/10

6:10 am-1:25 pm

1 stop14h 15m

Lambert-St Louis

Tue 6/30

1:20 pm-5:50 pm

2 stops21h 30m

$1,056

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Wed 8/26

6:30 am-7:30 pm

1 stop20h 00m

Lambert-St Louis

Wed 9/9

9:35 pm-10:55 pm

1 stop18h 20m

$1,058

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Wed 6/3

10:15 am-11:59 pm

1 stop20h 44m

Lambert-St Louis

Wed 6/24

11:18 am-8:15 am

1 stop13h 57m

$1,059

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Showing 1-10 of 13 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 May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 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 14h 25m. Fly via United Airlines, British Airways, 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
Fenton
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Wentzville
Glencoe
Chesterfield
Alton
Farmington
Festus

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.

Alternative routes for Prague to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Prague to Kansas City flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.