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St. Louis

$722+ 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
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
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 December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
Fri 12/267:35 amPRG - STL
1 stop13h 20mLufthansa
Tue 12/306:35 pmSTL - PRG
2 stops32h 10mLufthansa
Deal found 12/10$931
This Booking.com deal was found by Cheapflights users on 12/10. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:25 amPRG - STL
2 stops17h 29mMultiple Airlines
Tue 12/306:35 pmSTL - PRG
2 stops35h 30mMultiple Airlines
Deal found 12/10$984

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$931
(Kiwi.com)

One-way from

$722
(Finnair)
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 December 12, 2025.
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 12/26

7:35 am-1:55 pm

1 stop13h 20m

Lambert-St Louis

Tue 12/30

6:35 pm-9:45 am

2 stops32h 10m

$931

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sun 1/25

3:00 pm-10:13 am

2 stops26h 13m

Lambert-St Louis

Sun 2/1

6:40 pm-1:55 pm

2 stops36h 15m

$943

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sun 1/25

7:25 am-1:55 pm

1 stop13h 30m

Lambert-St Louis

Sun 2/1

12:44 pm-11:10 am

2 stops15h 26m

$949

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Thu 2/26

7:35 am-8:23 pm

2 stops19h 48m

Lambert-St Louis

Mon 3/2

3:15 pm-1:55 pm

2 stops15h 40m

$950

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Fri 12/26

7:25 am-5:54 pm

2 stops17h 29m

Lambert-St Louis

Tue 12/30

6:35 pm-1:05 pm

2 stops35h 30m

$984

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sun 1/25

7:25 am-7:27 pm

3 stops19h 02m

Lambert-St Louis

Sun 2/1

4:05 pm-2:15 pm

2 stops15h 10m

$1,110

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sun 3/29

7:30 pm-7:29 pm

2 stops30h 59m

$722

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sun 3/29

6:10 am-1:30 pm

1 stop14h 20m

$975

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Prague-St. Louis flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 Lufthansa or United Airlines 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
Fairview Heights
Maryland Heights
Collinsville
Swansea
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Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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