HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Czech Republic

$304+ Cheap flights from St. Louis (STL) to the Czech Republic

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PRG
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Czech Republic 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 St. Louis to Czech Republic

Keep the following information in mind while searching for St. Louis to Czech Republic flight deals. Data was last updated September 11, 2025.

Round-trip from

$586
(Cheapflightsfares)

One-way from

$304
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$746
From Lambert-St Louis to Czech Republic
Search Deals
One-way flight from Lambert-St Louis to Czech Republic
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($303 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from St. Louis to Czech Republic

Cheapest flights from St. Louis to Czech Republic
Explore the most affordable flight options available from St. Louis to Czech Republic. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:25 pmSTL - PRG
2 stops17h 30mLufthansa
Wed 10/226:00 amPRG - STL
2 stops16h 44mLufthansa
Deal found 9/10$586
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:20 pmSTL - PRG
2 stops44h 05mUnited Airlines
Sat 11/13:10 pmPRG - STL
2 stops37h 30mUnited Airlines
Deal found 9/10$609
This Cheapflightsfares deal was found by Cheapflights users on 9/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:28 pmSTL - PRG
2 stops15h 37mLufthansa
Fri 10/317:35 amPRG - STL
1 stop13h 20mLufthansa
Deal found 9/10$624
This FlightHub deal was found by Cheapflights users on 9/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/93:59 pmSTL - PRG
2 stops21h 16mScandinavian Airlines
Fri 10/319:05 pmPRG - STL
2 stops30h 59mScandinavian Airlines
Deal found 9/10$632
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sun 10/2612:31 pmSTL - PRG
2 stops21h 34mUnited Airlines
Sun 11/25:15 amPRG - STL
2 stops22h 25mUnited Airlines
Deal found 9/11$639
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/233:23 pmSTL - PRG
2 stops15h 42mUnited Airlines
Thu 10/303:10 pmPRG - STL
2 stops32h 29mUnited Airlines
Deal found 9/10$646
This Ovago deal was found by Cheapflights users on 9/10. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:35 pmSTL - PRG
2 stops32h 15mLufthansa
Wed 1/710:15 amPRG - STL
2 stops19h 43mLufthansa
Deal found 9/10$703
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/1812:25 pmSTL - PRG
2 stops25h 55mUnited Airlines
Fri 10/2411:40 amPRG - STL
2 stops35h 04mUnited Airlines
Deal found 9/11$722
This Scandinavian Airlines deal was found by Cheapflights users on 9/10. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/251:30 pmSTL - PRG
3 stops22h 20mScandinavian Airlines
Sat 11/110:25 amPRG - STL
2 stops17h 39mScandinavian Airlines
Deal found 9/10$792
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/255:28 pmSTL - PRG
2 stops42h 47mLufthansa
Sat 11/13:10 pmPRG - STL
1 stop29h 45mLufthansa
Deal found 9/10$851

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Czech Republic 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 September 11, 2025.
Use the filters below to find and compare flights from St. Louis to the Czech Republic that are best for you.

Fly from

St. Louis

Fly to

Czech Republic

Route

Depart

Return

Price

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/15

12:25 pm-12:55 pm

2 stops17h 30m

Václav Havel Prague

Wed 10/22

10:25 am-11:57 pm

2 stops20h 32m

$586

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sat 10/25

8:20 pm-10:25 pm

2 stops44h 05m

Václav Havel Prague

Sat 11/1

3:10 pm-10:40 pm

2 stops37h 30m

$609

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 10/9

5:28 pm-4:05 pm

2 stops15h 37m

Václav Havel Prague

Fri 10/31

7:35 am-2:55 pm

1 stop13h 20m

$624

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 10/23

3:23 pm-2:05 pm

2 stops15h 42m

Václav Havel Prague

Thu 10/30

3:10 pm-5:39 pm

2 stops32h 29m

$646

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Fri 12/26

6:35 pm-9:50 am

2 stops32h 15m

Václav Havel Prague

Wed 1/7

10:15 am-10:58 pm

2 stops19h 43m

$703

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sat 10/25

1:30 pm-6:50 pm

3 stops22h 20m

Václav Havel Prague

Sat 11/1

10:25 am-10:04 pm

2 stops17h 39m

$792

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 10/26

4:50 pm-2:15 pm

1 stop15h 25m

Václav Havel Prague

Sun 11/2

7:25 am-2:55 pm

1 stop13h 30m

$867

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 10/26

3:14 pm-4:05 pm

2 stops18h 51m

Václav Havel Prague

Sun 11/2

7:25 am-2:55 pm

1 stop13h 30m

$898

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 10/2

7:55 pm-9:00 am

3 stops54h 05m

$304

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 11/2

7:45 pm-8:40 am

3 stops53h 55m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 17 results
1
2

Best time to book a flight from St. Louis to Czech Republic

Have a flexible travel schedule? Discover the best time to fly to Czech Republic 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 the Czech Republic

What is the cheapest month to book a flight from St. Louis to Czech Republic?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Czech Republic (average of $651). Flying from St. Louis to Czech Republic in June is currently the most expensive (average of $1,119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to CZ?

Find hourly flight availability from St. Louis to Czech Republic. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from St. Louis to Czech Republic, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Czech Republic

Get insights into the airlines that provide service to Czech Republic. 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 Czech Republic. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Delta, KLM, and United Airlines from St. Louis to the Czech Republic by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,385 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Lufthansa
6.8
Okay
7,409 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Czech Republic. 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 Czech Republic?

    If you book a flight to Czech Republic from St. Louis, you will be flying from Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

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

    Departing from St. Louis to Czech Republic will take you 17h 30m. St. Louis and Czech Republic are separated by a distance of 4783 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Czech Republic by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Czech Republic?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Czech Republic (average of $651). Flying from St. Louis to Czech Republic in June is currently the most expensive (average of $1,119). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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 St. Louis to Czech Republic

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Frankfurt flights
St. Louis to Heathrow flights
Kansas City to Dublin flights
Kansas City to Heathrow flights
Kansas City to Frankfurt flights
St. Louis to Leonardo da Vinci/Fiumicino flights
St. Louis to Dublin flights
Kansas City to Leonardo da Vinci/Fiumicino flights
Kansas City to Gatwick flights
St. Louis to Gatwick flights
Kansas City to Athens flights
Kansas City to Charles de Gaulle flights
Kansas City to Barcelona-El Prat flights
St. Louis to Vicenza flights
St. Louis to Madrid flights
Kansas City to Lisbon flights
St. Louis to Charles de Gaulle flights
Kansas City to Amsterdam flights
St. Louis to London City flights
St. Louis to Munich flights
Kansas City to Munich flights
St. Louis to Bruxelles-National flights
St. Louis to Zurich flights
Kansas City to Madrid flights
St. Louis to Athens flights
St. Louis to Istanbul flights
Kansas City to Istanbul flights
St. Louis to Malpensa flights
St. Louis to Orly flights
St. Louis to Lisbon flights
St. Louis to Barcelona-El Prat flights
Kansas City to Vicenza flights
St. Louis to Edinburgh flights
Kansas City to London City flights
St. Louis to Berlin flights
St. Louis to Amsterdam flights
St. Louis to Sarajevo flights
Kansas City to Vienna flights
Kansas City to Edinburgh flights
Kansas City to Orly flights
Kansas City to Keflavik Intl flights
Springfield to Heathrow flights
Kansas City to Hamburg flights
Kansas City to Prague flights
Kansas City to Linate flights
Kansas City to Zurich flights
St. Louis to Sabiha Gokcen flights
Kansas City to Malpensa flights
Kansas City to Zagreb flights
St. Louis to Keflavik Intl flights

Top 6 airlines flying from St. Louis to Czech Republic

Discover the top 6 airlines that operate flights from St. Louis to Czech Republic. 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$582Average$793FlexibilityNo cancel feeOn-time70%
DeltaCheapest$657Average$1,208FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$683Average$1,201FlexibilityNo cancel feeOn-time76%
KLMCheapest$708Average$1,303FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$723Average$988FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$745Average$1,087FlexibilityNo cancel feeOn-time67%

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.