Cheap flights from St. Louis to Prague from $400
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Prague departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Fly from
Fly to
Route
Depart
Return
St. LouisPrague
STL Lambert-St Louis - PRG Václav Havel Prague
STLPRG
Lambert-St Louis
Wed 12/9
12:36 pm-6:40 pm
2 stops23h 04m
Václav Havel Prague
Fri 12/18
10:25 am-9:38 pm
2 stops18h 13m
St. LouisPrague
STL Lambert-St Louis - PRG Václav Havel Prague
STLPRG
Lambert-St Louis
Thu 4/1
9:25 pm-11:20 pm
1 stop18h 55m
Václav Havel Prague
Thu 4/15
9:35 pm-7:30 pm
1 stop28h 55m
St. LouisPrague
STL Lambert-St Louis - PRG Václav Havel Prague
STLPRG
Lambert-St Louis
Thu 4/1
9:25 pm-11:20 pm
1 stop18h 55m
Václav Havel Prague
Thu 4/15
11:35 am-10:17 pm
2 stops17h 42m
St. LouisPrague
STL Lambert-St Louis - PRG Václav Havel Prague
STLPRG
Lambert-St Louis
Thu 4/1
5:45 pm-7:35 pm
2 stops18h 50m
Václav Havel Prague
Thu 4/15
11:00 am-8:12 am
2 stops28h 12m
St. LouisPrague
STL Lambert-St Louis - PRG Václav Havel Prague
STLPRG
Lambert-St Louis
Sat 2/27
3:00 pm-10:40 pm
2 stops48h 40m
Václav Havel Prague
Sun 3/14
7:05 am-1:45 pm
1 stop13h 40m
St. LouisPrague
STL Lambert-St Louis - PRG Václav Havel Prague
STLPRG
Lambert-St Louis
Sat 2/27
3:00 pm-10:40 pm
2 stops48h 40m
Václav Havel Prague
Sun 3/14
7:05 am-1:45 pm
1 stop13h 40m
St. LouisPrague
STL Lambert-St Louis - PRG Václav Havel Prague
STLPRG
Lambert-St Louis
Sat 2/27
3:00 pm-10:40 pm
2 stops48h 40m
Václav Havel Prague
Sun 3/14
6:10 am-3:40 pm
2 stops16h 30m
St. LouisPrague
STL Lambert-St Louis - PRG Václav Havel Prague
STLPRG
Lambert-St Louis
Wed 11/18
3:40 pm-2:00 pm
1 stop15h 20m
Václav Havel Prague
Wed 12/2
7:05 am-1:45 pm
1 stop13h 40m
St. LouisPrague
STL Lambert-St Louis - PRG Václav Havel Prague
STLPRG
Lambert-St Louis
Wed 12/9
1:18 pm-9:40 am
2 stops13h 22m
Václav Havel Prague
Fri 12/18
7:05 am-1:45 pm
1 stop13h 40m
St. LouisPrague
STL Lambert-St Louis - PRG Václav Havel Prague
STLPRG
Lambert-St Louis
Wed 10/28
10:14 am-11:10 am
2 stops18h 56m
Václav Havel Prague
Mon 11/2
2:30 pm-3:37 pm
2 stops32h 07m
See travel insights to Prague from
How to get the cheapest flight ticket from St. Louis to Prague
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 St. Louis and Prague?
Prices are currently typical for flights on this route.
Typical prices usually range from $727 to $1,095.The lowest price recently found on this route was $800.
What is the cheapest month to fly to Prague?
In general, January is the cheapest month to fly from St. Louis to Prague. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Prague during the month of January, then departing from St. Louis during the month April is also very affordable. Most momondo users find prices during this month for around $620.
Can stopping save me money on St. Louis to Prague flights?
You could potentially save up to 15% on your flight if you consider stops on a St. Louis to Prague flight.
What is the cheapest airline that flies from Lambert-St Louis to Václav Havel Prague?
Lufthansa is the most popular carrier operating from Lambert-St Louis to Václav Havel Prague
What airlines fly to Prague?
Lufthansa, United Airlines and Delta are the top three most popular airlines that fly to Prague from St. Louis according to our data. Lufthansa is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Prague. Keep in mind that there are 4 different airlines that fly to Prague on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between St. Louis and Prague?
Frankfurt am Main (FRA) was the most common stop: 74% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from St. Louis to Prague?
Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $711.
Which layover airport has the shortest travel time from St. Louis to Prague?
Flights connecting via Frankfurt am Main (FRA) have the shortest average one-way travel time: 13h 11m.
Which layover airport has the shortest connection time from St. Louis to Prague?
Frankfurt am Main (FRA) has the shortest average layover time for this route: 3h 08m.
When to book flights from St. Louis to Prague
Cheap St. Louis to Prague (STL to PRG) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Prague
Frequently asked questions about flying from St. Louis to Prague
How far is Lambert-St Louis to Václav Havel Prague by plane?
Lambert-St Louis and Václav Havel Prague are 4789.6 mi apart from one another. Flights usually cover this in 15h 15m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Lambert-St Louis Airport to Václav Havel Prague Airport?
Prices for flights from Lambert-St Louis Airport to Václav Havel Prague Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Lambert-St Louis Airport to Václav Havel Prague Airport?
The number of operators available for flights from Lambert-St Louis Airport to Václav Havel Prague Airport is 4 as of October 2026.
How old do you have to be to fly from Lambert-St Louis Airport to Václav Havel Prague 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 Lambert-St Louis Airport to Václav Havel Prague Airport.
What documentation or ID do you need to fly to Václav Havel Prague Airport?
The travel and health documents you'll need for your trip to Václav Havel Prague Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Václav Havel Prague Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Prague?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Prague is Lufthansa, representing 39% of all bookings. The subsequent popular airlines are United Airlines at 24%, Delta at 22%, and American Airlines at 15%.
Best airlines flying from St. Louis to Prague
Compare and see reviews for airlines that fly from St. Louis to Prague with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $504 | Free Cancellation | Rating 7.4 10,288 reviews | |||
| PriceFrom $511 | Free Cancellation | Rating 7.0 12,128 reviews | |||
| PriceFrom $572 | Free Cancellation | Rating 6.8 8,262 reviews | |||
| PriceFrom $901 | Free Cancellation | Rating 7.8 8,634 reviews |
Traveling to a place near Prague?
Book flights to Prague if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Prague?
It is quick and easy to find St. Louis to Prague flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Prague that suits you.
Can I find flights from St. Louis to Prague with flexible booking policies on momondo?
Yes. All flights to Prague from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from St. Louis to Prague?
Once you have performed a search for St. Louis to Prague flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from St. Louis to Prague right now. Can momondo alert me if prices change?
If you are not ready to book a flight from St. Louis to Prague now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Prague and let you know when they change.