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$342+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PRG
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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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 October 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$545
(Scandinavian Airlines)

One-way from

$342
(Kiwi.com)

Popular in

June

Cheapest in

March

Average price

$780
Provider with most accurate pricing for Lambert-St Louis-Václav Havel Prague flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Václav Havel Prague flights.
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From Lambert-St Louis to Czech Republic
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One-way flight from Lambert-St Louis to Czech Republic
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Highest demand for flights based on searches. 24% potential increase in price ($301 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 27, 2025.

This United Airlines deal was found by Cheapflights users on 10/25. 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 12/95:27 pmSTL - PRG
2 stops21h 58mUnited Airlines
Tue 12/166:15 amPRG - STL
2 stops21h 42mUnited Airlines
Deal found 10/25$556
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/101:35 pmSTL - PRG
2 stops17h 30mUnited Airlines
Wed 12/176:15 amPRG - STL
2 stops23h 30mUnited Airlines
Deal found 10/26$569
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/275:24 pmSTL - PRG
2 stops16h 41mUnited Airlines
Sun 11/27:25 amPRG - STL
2 stops18h 51mUnited Airlines
Deal found 10/26$704
This Gotogate deal was found by Cheapflights users on 10/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:05 pmSTL - PRG
2 stops14h 50mMultiple Airlines
Wed 12/177:30 amPRG - STL
1 stop13h 25mMultiple Airlines
Deal found 10/26$808
This Lufthansa deal was found by Cheapflights users on 10/27. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:50 pmSTL - PRG
1 stop11h 00mLufthansa
Sat 11/221:45 pmPRG - STL
2 stops14h 55mLufthansa
Deal found 10/27$846
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/259:55 amSTL - PRG
2 stops29h 30mUnited Airlines
Wed 1/71:45 pmPRG - STL
2 stops38h 13mUnited Airlines
Deal found 10/25$891
This Kiwi.com deal was found by Cheapflights users on 10/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/103:50 pmSTL - PRG
1 stop12h 15mLufthansa
Wed 12/177:30 amPRG - STL
1 stop13h 25mLufthansa
Deal found 10/26$935
This Ovago deal was found by Cheapflights users on 10/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:35 pmSTL - PRG
2 stops16h 40mLufthansa
Wed 1/76:55 pmPRG - STL
2 stops36h 04mLufthansa
Deal found 10/26$971
This Air Canada deal was found by Cheapflights users on 10/27. 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.
Sun 11/24:05 pmSTL - PRG
2 stops36h 00mMultiple Airlines
Sat 11/227:35 amPRG - STL
3 stops21h 05mMultiple Airlines
Deal found 10/27$976

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 October 27, 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

Mon 2/9

4:00 pm-2:20 pm

2 stops15h 20m

Václav Havel Prague

Thu 2/12

10:25 am-8:39 pm

2 stops17h 14m

$545

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 1/8

12:44 pm-1:55 pm

2 stops18h 11m

Václav Havel Prague

Fri 1/16

12:10 pm-3:29 pm

2 stops34h 19m

$553

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 1/8

9:59 am-11:40 am

2 stops18h 41m

Václav Havel Prague

Sat 1/17

6:00 am-4:38 pm

2 stops17h 38m

$556

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 1/7

5:00 pm-5:05 pm

2 stops17h 05m

Václav Havel Prague

Sat 1/17

11:35 am-11:40 pm

2 stops19h 05m

$556

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 12/9

5:27 pm-10:25 pm

2 stops21h 58m

Václav Havel Prague

Tue 12/16

6:15 am-8:57 pm

2 stops21h 42m

$556

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 3/11

11:25 am-4:05 pm

2 stops22h 40m

Václav Havel Prague

Tue 3/24

7:25 am-3:29 pm

2 stops38h 04m

$602

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 3/12

8:25 am-10:50 am

2 stops20h 25m

Václav Havel Prague

Mon 3/23

1:45 pm-3:29 pm

2 stops55h 44m

$664

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 1/6

5:56 pm-5:05 pm

2 stops16h 09m

Václav Havel Prague

Thu 1/15

8:55 am-11:25 pm

2 stops21h 30m

$686

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 1/7

3:50 pm-11:05 am

1 stop12h 15m

Václav Havel Prague

Fri 1/16

7:35 am-1:55 pm

1 stop13h 20m

$701

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 1/7

3:50 pm-2:05 pm

1 stop15h 15m

Václav Havel Prague

Thu 1/15

3:10 pm-1:55 pm

1 stop29h 45m

$726

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 16 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, August is the cheapest month in which you can book a flight from St. Louis to Czech Republic (average of $604). Flying from St. Louis to Czech Republic in June is currently the most expensive (average of $1,071). 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 October 27, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 18% on flights from St. Louis to Czech Republic by exploring options for tickets in the evening.

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 October 27, 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
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,406 reviews
Delta
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,995 reviews
Delta
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,370 reviews
Delta
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Lufthansa
6.8
Okay
7,532 reviews
Delta
7.9
Good
7,996 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 15h 20m. 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, August is the cheapest month in which you can book a flight from St. Louis to Czech Republic (average of $604). Flying from St. Louis to Czech Republic in June is currently the most expensive (average of $1,071). 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

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Alternative routes for St. Louis to Czech Republic

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from St. Louis to Czech Republic

Discover the top 5 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 October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$655Average$866FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$683Average$1,134FlexibilityNo cancel feeOn-time76%
DeltaCheapest$728Average$1,208FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$731Average$1,303FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$745Average$1,087FlexibilityNo cancel feeOn-time67%

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