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

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.

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.

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.

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.

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.

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.

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.