HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Czech Republic

$373+ 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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PRG
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$607
(American Airlines)

One-way from

$373
(Mytrip)

Popular in

June

Cheapest in

March

Average price

$1,182
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. 25% potential increase in price ($317 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. 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 8/131:15 pmSTL - PRG
2 stops17h 05mAmerican Airlines
Wed 8/208:10 amPRG - STL
2 stops17h 20mAmerican Airlines
Deal found 7/2$607
This United Airlines deal was found by Cheapflights users on 7/2. 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 12/210:30 amSTL - PRG
2 stops20h 25mUnited Airlines
Fri 12/127:40 amPRG - STL
1 stop13h 15mUnited Airlines
Deal found 7/2$615
This FlightHub deal was found by Cheapflights users on 7/3. 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.
Mon 10/61:30 pmSTL - PRG
2 stops23h 45mScandinavian Airlines
Wed 10/158:55 pmPRG - STL
2 stops33h 44mScandinavian Airlines
Deal found 7/3$616
This Booking.com deal was found by Cheapflights users on 7/2. 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.
Tue 11/44:05 pmSTL - PRG
2 stops33h 40mMultiple Airlines
Fri 11/147:40 amPRG - STL
1 stop13h 15mMultiple Airlines
Deal found 7/2$617
This Air Canada deal was found by Cheapflights users on 7/2. 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.
Tue 12/24:05 pmSTL - PRG
2 stops19h 10mAir Canada
Fri 12/1210:10 amPRG - STL
3 stops19h 22mAir Canada
Deal found 7/2$640
This Lufthansa deal was found by Cheapflights users on 7/3. 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 10/264:50 pmSTL - PRG
1 stop19h 25mLufthansa
Mon 11/33:10 pmPRG - STL
2 stops39h 34mLufthansa
Deal found 7/3$647
This British Airways deal was found by Cheapflights users on 7/1. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/58:01 pmSTL - PRG
2 stops17h 29mBritish Airways
Fri 8/1510:05 amPRG - STL
2 stops17h 42mBritish Airways
Deal found 7/1$685
This Delta deal was found by Cheapflights users on 7/3. 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.
Sat 10/44:10 pmSTL - PRG
1 stop33h 50mDelta
Tue 10/146:30 amPRG - STL
2 stops17h 10mDelta
Deal found 7/3$749

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 July 3, 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 8/13

1:15 pm-1:20 pm

2 stops17h 05m

Václav Havel Prague

Wed 8/20

8:10 am-6:30 pm

2 stops17h 20m

$607

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 12/2

10:30 am-1:55 pm

2 stops20h 25m

Václav Havel Prague

Fri 12/12

7:40 am-1:55 pm

1 stop13h 15m

$615

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 10/6

1:30 pm-8:15 pm

2 stops23h 45m

Václav Havel Prague

Wed 10/15

8:55 pm-11:39 pm

2 stops33h 44m

$616

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 11/4

4:05 pm-8:45 am

2 stops33h 40m

Václav Havel Prague

Fri 11/14

7:40 am-1:55 pm

1 stop13h 15m

$617

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 12/2

4:05 pm-6:15 pm

2 stops19h 10m

Václav Havel Prague

Fri 12/12

10:10 am-10:32 pm

3 stops19h 22m

$640

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 10/26

4:50 pm-6:15 pm

1 stop19h 25m

Václav Havel Prague

Mon 11/3

3:10 pm-11:44 pm

2 stops39h 34m

$647

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 8/5

8:01 pm-8:30 pm

2 stops17h 29m

Václav Havel Prague

Fri 8/15

10:05 am-8:47 pm

2 stops17h 42m

$685

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 7/31

10:47 am-8:05 pm

3 stops26h 18m

$373

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 11/2

6:29 pm-8:45 pm

2 stops19h 16m

$473

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 11/2

5:45 pm-5:05 pm

2 stops16h 20m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 11 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 July 3, 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 July 3, 2025.
Get a feel of what it's like to fly with Air France, United Airlines, and Scandinavian 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.
Air France
7.5
Good
1,465 reviews

Overall

7.5

Crew

8.2

Entertainment

7.0

Boarding

7.4

Food

7.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.
Air France
7.5
Good
1,465 reviews
Air France
7.5
Good
1,465 reviews

Overall

7.5

Crew

8.2

Entertainment

7.0

Boarding

7.4

Food

7.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.
United Airlines
7.4
Good
8,861 reviews
Air France
7.5
Good
1,465 reviews

Overall

7.5

Crew

8.2

Entertainment

7.0

Boarding

7.4

Food

7.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.
Scandinavian Airlines
7.3
Good
1,416 reviews
Air France
7.5
Good
1,465 reviews

Overall

7.5

Crew

8.2

Entertainment

7.0

Boarding

7.4

Food

7.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.
American Airlines
7.2
Good
10,000 reviews
Air France
7.5
Good
1,465 reviews

Overall

7.5

Crew

8.2

Entertainment

7.0

Boarding

7.4

Food

7.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.
Air Canada
7.1
Good
9,681 reviews
Air France
7.5
Good
1,465 reviews

Overall

7.5

Crew

8.2

Entertainment

7.0

Boarding

7.4

Food

7.0

Comfort

7.4

Reviews

1 / 20
8.0
Excellent

Florian,Feb 2025

YUL - CDG

Always a pleasure to travel with Air France. It might not be up to airline like Qatar or Singapour Airlines but I always find it reassuring flying with Air France.

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 British Airways, which is currently one of the cheapest options available, starting at $473. Air France flights start at $487 while deals on Lufthansa start at $489 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 $1,119). 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 Belfast Intl flights
St. Louis to Belfast City flights
Kansas City to Dublin flights
St. Louis to Heathrow flights
St. Louis to Frankfurt flights
St. Louis to Dublin flights
Kansas City to Heathrow flights
Kansas City to Charles de Gaulle flights
St. Louis to Gatwick flights
St. Louis to Munich flights
St. Louis to Leonardo da Vinci/Fiumicino flights
Kansas City to Leonardo da Vinci/Fiumicino flights
Kansas City to Istanbul flights
St. Louis to Athens flights
Kansas City to Frankfurt flights
St. Louis to Charles de Gaulle flights
St. Louis to Vicenza flights
Kansas City to Athens flights
Kansas City to Amsterdam flights
Kansas City to Gatwick flights
Kansas City to Lisbon flights
Springfield to Istanbul flights
Kansas City to Madrid flights
St. Louis to Keflavik Intl flights
St. Louis to London City flights
Kansas City to Keflavik Intl flights
St. Louis to Lisbon flights
Kansas City to Barcelona-El Prat flights
Kansas City to Sabiha Gokcen flights
St. Louis to Zurich flights
Kansas City to Malpensa flights
St. Louis to Barcelona-El Prat flights
Kansas City to Dubrovnik flights
St. Louis to Edinburgh flights
St. Louis to Sarajevo flights
St. Louis to Madrid flights
Kansas City to Split flights
Kansas City to Munich flights
Kansas City to Linate flights
Kansas City to Orly flights
St. Louis to Istanbul flights
Kansas City to Zurich flights
St. Louis to Orly flights
Kansas City to Porto flights
Kansas City to Vicenza flights
Kansas City to Vienna flights
St. Louis to Malpensa flights
St. Louis to Amsterdam flights
Kansas City to Edinburgh flights

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$642Average$1,208FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$683Average$1,203FlexibilityNo cancel feeOn-time76%
KLMCheapest$708Average$1,303FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$723Average$1,049FlexibilityNo 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.