Cheap flights from Prague to St. Louis from $845
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Prague to St. Louis departing on 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Prague to St. Louis
Cheap round-trip flights
Lufthansa flights from Prague to St. Louis
Our best Lufthansa deals on Prague to St. Louis flight tickets
See travel insights to St. Louis from
How to get the cheapest flight ticket from Prague to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Prague and St. Louis?
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Monday when prices can be found for as low as $827. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $1,163. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Prague in the morning is the least expensive time of day to depart. momondo users have found prices as low as $828 when looking at flights departing in the morning. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $964 per ticket.
When to book flights from Prague to St. Louis
Cheap Prague to St. Louis (PRG to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Prague to St. Louis
How far is Václav Havel Prague to Lambert-St Louis by plane?
There are 4789.6 mi between Václav Havel Prague and Lambert-St Louis. By plane, this route typically takes 16h 40m.
When did momondo last update prices for flights from Václav Havel Prague Airport to Lambert-St Louis Airport?
Prices for flights from Václav Havel Prague Airport to Lambert-St Louis Airport refresh daily.
How many operators does momondo search for flights from Václav Havel Prague Airport to Lambert-St Louis Airport?
As of April 2025, there is 1 operator available to choose from for flights from Václav Havel Prague Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Václav Havel Prague Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Václav Havel Prague Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Prague to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Prague to St. Louis is Delta (100% of total bookings).
Best airlines flying from Prague to St. Louis
Compare and see reviews for airlines that fly from Prague to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $824 | Free Cancellation | Rating 8.0 7,899 reviews |
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Prague to St. Louis?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Prague to St. Louis. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Prague to St. Louis with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Prague to St. Louis flights to just show those with flexible booking policies.
How can momondo help me find flights from Prague to St. Louis?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to St. Louis from Prague.
I’m not ready to book a flight from Prague to St. Louis right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Prague to St. Louis flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.