CA $1,129 Cheap Flights from St. Louis (STL) to Prague (PRG)

View CA $1,129 flight on Thu, Jun 11, 2026Opens in a new window

Popular airlines from Lambert-St. Louis International Airport (STL) to Vaclav Havel Airport (PRG)

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Cheap flights from St. Louis (STL) to Prague (PRG)

Prices were available within the past 7 days and start at CA $1,129 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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Find the cheapest month to fly from St. Louis (STL) to Prague (PRG)

January is typically the cheapest month to fly

From CA $707 - CA $2,153 per traveller.

Frequently asked questions

How much is a flight from Lambert-St. Louis Intl. Airport (STL) to Václav Havel Airport Prague?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey from STL to Václav Havel Airport Prague was . Cheap fares don't last forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Lambert Field to Prague Airport?
This varies from airline to airline, as each has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel your flight online.
How do I find cheap flights from STL to Václav Havel Airport Prague that have flexible change policies?
Use our "No change fees" filter to find flexible ticketing options for your flight from Lambert Field to PRG. This allows you to snag a low rate in advance and still have the freedom to make changes without any additional fees. You'll just need to pay the difference in fare.
How many hours is the flight from Lambert Field to Prague Airport?
From Lambert-St. Louis Intl. Airport (STL) to Vaclav Havel Airport (PRG), you'll be strapped in your seat for approximately 9 hours and 45 minutes. If you've been looking forward to finishing that novel, here's your chance to do it.
How far is the flight from Lambert Field to PRG?
The distance is around 7,700 kilometres, so pack your carry-on bag with whatever you need to make the long journey comfortable. Not sure what to take on board your St. Louis to Prague flight? A neck pillow, earplugs and a sleep mask are a few essentials.
Which airlines fly direct from Lambert Field to Prague Airport?
Direct flights aren't available, so you'll need to make at least one stop between Lambert-St. Louis Intl. Airport (STL) and Vaclav Havel Airport (PRG). Take advantage of the layover time to stretch your legs and grab a coffee.
Are STL to Vaclav Havel Airport (PRG) flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up a great last-minute deal from Lambert-St. Louis Intl. Airport (STL) to PRG, but there's no guarantee. As many airlines release seats up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you spot a bargain. Expedia compares carrier prices and updates flight deals regularly, so you can be sure you're always getting the latest offers.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Vaclav Havel
Distance
7658 km

Book with confidence

St. Louis to Prague Flights

The easy way to book your flights from St. Louis to Prague 

With Expedia, it’s simple to find and book flights to Prague from St. Louis whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 10 airlines that cover this route. There are nonstop flights to Vaclav Havel, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Louis to Prague today, tomorrow, or this week.  

 

Save dollars with cheap flights from Lambert-St. Louis Intl., STL to Vaclav Havel, PRG 

Sort your search results by price to find great deals on your flight from St. Louis to Prague—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Prague from St. Louis currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Prague  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Prague from St. Louis 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Prague with Expedia today.

St. Louis to Prague Flights

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