- Plan, book, fly with confidence
- Be in the knowGet alerts if flight prices drop or rise*
- Book smarterSave up to 30% on select hotels after you book a flight*
Cheap Flights from St. Louis to Prague (STL-PRG)
Prices were available within the past 7 days and start at $466 for one-way flights and $635 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Frequently asked questions
Travel information
Travel information
Origin airport | Lambert-St. Louis Intl. |
Destination airport | Vaclav Havel |
Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, Turkish Airlines, United |
Roundtrip price | $634 |
Distance | 4786 mi |
Book with confidence
Book with confidence
The cheapest times to fly from St. Louis to Prague
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Prague are during the month of August. You can find some of the cheapest flights from St. Louis to Prague with Expedia's search tool and vast selection of airlines.
The best time to book a flight from St. Louis to Prague
Sunday is one of the best days to book for cheap flights from St. Louis to Prague: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from St. Louis to Prague
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Prague in 2025. You can also book with separate airlines for your outbound and return journeys, from $466 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Prague flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Prague airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Be inspired and discover more with Expedia
Be inspired and discover more with Expedia
Flights
- Flights from St. Louis (STL) to New York (LGA)
- Flights from Dallas (DFW) to Orlando (MCO)
- Flights from Boston (BOS) to Orlando (MCO)
- Flights from Philadelphia (PHL) to Orlando (MCO)
- Flights from St. Louis (STL) to Los Angeles (LAX)
- Flights from New York (NYC) to Los Angeles (LAX)
- Flights from Dallas (DFW) to Los Angeles (LAX)
- Flights from Seattle (SEA) to Los Angeles (LAX)
- Flights from Las Vegas (LAS) to Los Angeles (LAX)
- Flights from Dallas (DFW) to Chicago (ORD)
- Flights from Los Angeles (LAX) to Seattle (SEA)
- Flights from St. Louis (STL) to Seattle (SEA)
- Flights from St. Louis (STL) to Tampa (TPA)
- Flights from St. Louis (STL) to Denver (DEN)
- Flights from New York (NYC) to Atlanta (ATL)
- Flights from St. Louis (STL) to Punta Cana (PUJ)
- Flights from St. Louis (STL) to Fort Lauderdale (FLL)
- Flights from Los Angeles (LAX) to New York (NYC)
- Flights from Miami (MIA) to New York (NYC)
- Flights from Atlanta (ATL) to New York (NYC)
- Flights from Dallas (DFW) to New York (NYC)
- Flights from St. Louis (STL) to Newark Liberty Intl. Airport (EWR)
- Flights from St. Louis (STL) to Honolulu (HNL)
- Flights from Washington (IAD) to Prague (PRG)
- Flights from Miami (MIA) to Prague (PRG)
- Flights from New York (JFK) to Prague (PRG)
- Flights from Detroit (DTW) to Prague (PRG)
- Flights from Boston (BOS) to Prague (PRG)
- Flights from Charlotte (CLT) to Prague (PRG)
- Flights from Fort Lauderdale (FLL) to Prague (PRG)
- Flights from Zürich (ZRH) to Prague (PRG)
- Flights from Newark Liberty Intl. Airport (EWR) to Prague (PRG)
- Flights from New York (LGA) to Prague (PRG)
- Flights from Chicago (ORD) to Prague (PRG)
- Flights from Los Angeles (LAX) to Prague (PRG)
- Flights from St. Louis (STL) to Phoenix (PHX)
- Flights from Seattle (SEA) to Phoenix (PHX)
- Flights from Boston (BOS) to Miami (MIA)
- Flights from St. Louis (STL) to Miami (MIA)
- Flights from Denver (DEN) to Las Vegas (LAS)
- Flights from Portland (PDX) to Las Vegas (LAS)
- Flights from Dallas (DFW) to Las Vegas (LAS)
- Flights from Minneapolis (MSP) to Las Vegas (LAS)
- Flights from Atlanta (ATL) to Las Vegas (LAS)
- Flights from Chicago (ORD) to Las Vegas (LAS)
- Flights from Houston (IAH) to Las Vegas (LAS)
- Flights from New York (NYC) to Las Vegas (LAS)
- Flights from Los Angeles (LAX) to Las Vegas (LAS)
- Flights from Detroit (DTW) to Las Vegas (LAS)
- Flights from San Francisco (SFO) to Las Vegas (LAS)
- Flights from Seattle (SEA) to Las Vegas (LAS)
- Flights from Dallas (DFW) to Cancun (CUN)
- Flights from Los Angeles (LAX) to Dallas (DFW)
- Flights from St. Louis (STL) to New York (JFK)
- Alaska Airlines
- Air Canada
- Delta
- KLM
- Qatar Airways
- Iberia
- Finnair
- Aer Lingus
- British Airways
- United
- Frontier Airlines
- Lufthansa
- Aeromexico
- Air France
- American Airlines
- Turkish Airlines
- Flights to Brno
- Flights to Znojmo
- Flights to Ostrava
- Flights to Bozi Dar
- Flights to Hradec Kralove
- Flights to Pec pod Snezkou
- Flights to Harrachov
- Flights to České Budějovice
- Flights to Český Krumlov
- Flights to Marianske Lazne
- Flights to Prague
- Flights to Cheb
- Flights to Spindleruv Mlyn
- Flights to Frantiskovy Lazne
- Flights to Jachymov
- Flights to Plzen
- Flights to Olomouc
- Flights to Lipno nad Vltavou
- Flights to Karlovy Vary
- Flights to Liberec
- Delta St. Louis (STL) to New York (LGA) flights
- Alaska Airlines St. Louis (STL) to Los Angeles (LAX) flights
- Alaska Airlines St. Louis (STL) to Seattle (SEA) flights
- American Airlines St. Louis (STL) to Tampa (TPA) flights
- United St. Louis (STL) to Denver (DEN) flights
- Delta St. Louis (STL) to Fort Lauderdale (FLL) flights
- United St. Louis (STL) to Newark Liberty Intl. Airport (EWR) flights
- Alaska Airlines St. Louis (STL) to Honolulu (HNL) flights
- American Airlines St. Louis (STL) to Phoenix (PHX) flights
- American Airlines St. Louis (STL) to Miami (MIA) flights
- Flights from Cape Girardeau Municipal
- Flights from Abraham Lincoln Capital
- Flights from Quincy Regional-Baldwin Field
- Flights from Roy Otten Memorial Airfield
- Flights from Spirit of St. Louis
- Flights from Decatur
- Flights from Columbia Regional
- Flights from Williamson County Regional
- Flights from Cairo Regional
- Flights from St. Robert Regional