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$479+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PRG
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$799
(Gotogate)

One-way from

$479
(FlightHub)

Popular in

June

Cheapest in

March

Average price

$662
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. 20% potential increase in price ($252 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This United Airlines deal was found by Cheapflights users on 3/30. 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 11/53:45 pmSTL - PRG
1 stop12h 35mUnited Airlines
Tue 11/187:20 amPRG - STL
2 stops15h 06mUnited Airlines
Deal found 3/30$654
This Air Canada deal was found by Cheapflights users on 3/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/84:15 pmSTL - PRG
2 stops34h 20mAir Canada
Tue 11/187:20 amPRG - STL
2 stops39h 06mAir Canada
Deal found 3/30$660
This FlightHub deal was found by Cheapflights users on 3/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/93:45 pmSTL - PRG
1 stop12h 35mMultiple Airlines
Mon 11/1712:05 pmPRG - STL
2 stops34h 21mMultiple Airlines
Deal found 3/30$691
This Lufthansa deal was found by Cheapflights users on 3/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:18 pmSTL - PRG
2 stops15h 47mLufthansa
Sun 11/167:20 amPRG - STL
1 stop13h 35mLufthansa
Deal found 3/30$713
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 10/1512:03 pmSTL - PRG
2 stops15h 47mAmerican Airlines
Wed 10/228:10 amPRG - STL
2 stops17h 08mAmerican Airlines
Deal found 3/31$729
This Scandinavian Airlines deal was found by Cheapflights users on 3/30. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/43:30 pmSTL - PRG
3 stops21h 50mScandinavian Airlines
Wed 10/1510:25 amPRG - STL
2 stops17h 22mScandinavian Airlines
Deal found 3/30$809
This KLM deal was found by Cheapflights users on 3/30. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:18 pmSTL - PRG
2 stops13h 32mKLM
Sat 11/228:50 amPRG - STL
2 stops18h 40mKLM
Deal found 3/30$929
This Delta deal was found by Cheapflights users on 3/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:30 amSTL - PRG
2 stops19h 30mDelta
Tue 8/511:00 amPRG - STL
2 stops29h 29mDelta
Deal found 3/30$1,024
This British Airways deal was found by Cheapflights users on 3/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:30 pmSTL - PRG
2 stops16h 55mBritish Airways
Mon 1/59:35 pmPRG - STL
2 stops31h 14mBritish Airways
Deal found 3/30$1,047
This Air France deal was found by Cheapflights users on 3/30. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3112:59 pmSTL - PRG
2 stops15h 46mAir France
Fri 6/611:00 amPRG - STL
2 stops16h 39mAir France
Deal found 3/30$1,883
This Asiana Airlines deal was found by Cheapflights users on 3/30. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:05 amSTL - PRG
2 stops49h 10mAsiana Airlines
Sun 11/234:55 pmPRG - STL
2 stops38h 32mAsiana Airlines
Deal found 3/30$2,961

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 March 31, 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

Tue 5/13

1:30 pm-12:55 pm

2 stops16h 25m

Václav Havel Prague

Tue 5/20

11:40 am-7:58 pm

2 stops15h 18m

$799

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 5/13

7:30 pm-8:30 pm

2 stops18h 00m

Václav Havel Prague

Wed 5/21

8:10 am-6:27 pm

2 stops17h 17m

$814

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 5/21

7:30 am-4:00 pm

2 stops25h 30m

Václav Havel Prague

Tue 6/10

6:00 am-7:58 pm

2 stops20h 58m

$822

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 7/15

2:18 pm-10:30 am

2 stops13h 12m

Václav Havel Prague

Thu 7/24

6:00 am-3:58 pm

2 stops16h 58m

$1,004

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Fri 7/25

4:00 pm-12:10 pm

1 stop13h 10m

Václav Havel Prague

Wed 8/6

1:40 pm-7:40 pm

1 stop13h 00m

$1,017

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Fri 7/25

6:30 am-9:00 am

2 stops19h 30m

Václav Havel Prague

Tue 8/5

11:00 am-9:29 am

2 stops29h 29m

$1,024

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 5/28

7:30 pm-11:05 pm

2 stops20h 35m

Václav Havel Prague

Mon 6/9

8:55 pm-7:17 pm

2 stops29h 22m

$1,217

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Fri 7/25

3:30 pm-9:40 am

1 stop11h 10m

Václav Havel Prague

Fri 8/8

6:00 am-1:30 pm

1 stop14h 30m

$1,290

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sat 5/31

12:59 pm-11:45 am

2 stops15h 46m

Václav Havel Prague

Fri 6/6

11:00 am-8:39 pm

2 stops16h 39m

$1,883

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sat 5/31

12:59 pm-8:45 pm

2 stops24h 46m

Václav Havel Prague

Wed 6/4

10:25 am-8:39 pm

2 stops17h 14m

$2,388

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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, 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 $1,215). 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 March 31, 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.

Rainfall in Czech Republic by month

Plan your trip to Czech Republic by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Czech Republic ranges from 0.4 - 2.4 inches per month. June is typically the wettest month, when rainfall can reach 2.4 in. February is typically the driest time to visit Czech Republic when rainfall is around 0.4 in.

Temperature in Czech Republic by month

Plan your trip to Czech Republic by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Czech Republic, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 March 31, 2025.
Asiana Airlines
8.2
Very good
440 reviews

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

7.7

Food

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Asiana Airlines
8.2
Very good
440 reviews
Asiana Airlines
8.2
Very good
440 reviews

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

7.7

Food

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Delta
8.0
Very good
7,899 reviews
Asiana Airlines
8.2
Very good
440 reviews

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

7.7

Food

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
KLM
7.8
Good
1,321 reviews
Asiana Airlines
8.2
Very good
440 reviews

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

7.7

Food

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
Air France
7.4
Good
1,425 reviews
Asiana Airlines
8.2
Very good
440 reviews

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

7.7

Food

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.
United Airlines
7.4
Good
8,614 reviews
Asiana Airlines
8.2
Very good
440 reviews

Crew

8.5

Overall

8.2

Comfort

8.0

Entertainment

7.7

Food

8.0

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Ramón,Feb 2025

ICN - SGN

The same as my experience from NYC to Incheon, just 1 EVER LASTING LONG LINE. No group calling out anything, just telling everyone to line up.

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.

  • What are the cheapest airlines to fly from St. Louis to Czech Republic one-way?

    To fly one-way, consider booking your trip with Scandinavian Airlines, which is currently one of the cheapest options available, starting at $479. United Airlines flights start at $633 while deals on Lufthansa start at $1,751 one-way.

  • 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 $1,215). 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$615Average$867FlexibilityNo cancel feeOn-time70%
DeltaCheapest$642Average$983FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$686Average$1,002FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$693Average$1,163FlexibilityNo cancel feeOn-time76%
KLMCheapest$708Average$1,016FlexibilityNo cancel feeOn-time75%
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