What is the cheapest airline that flies from Lambert-St Louis to Václav Havel Prague?

Scandinavian Airlines, American Airlines, and United Airlines are the most popular carriers 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 38% of people opting to fly with this airline when traveling to Prague. Keep in mind that there are 6 different airlines that fly to Prague on a routine basis, so you have a few additional options to choose from.

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 6 as of September 2025.

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.

$367 Cheap Flights from St. Louis to Prague in 2025/26

Q: What is the typical price of a round-trip flight between St. Louis and Prague?

Prices are currently low for flights on this route. Typical prices usually range from $719 to $818. The lowest price recently found on this route was $506.

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Find the cheapest flights from St. Louis to Prague

Round-trip

One-way

Cheap round-trip flights

9:15 am - 4:00 pmSTL-PRG

23h 45m2 stops

11:50 am - 3:29 pmPRG-STL

34h 39m2 stops

$506Air Canada

Find Deal

Sun, Oct 19 - Tue, Nov 4

1:33 pm - 2:20 pmSTL-PRG

17h 47m2 stops

10:25 am - 9:58 pmPRG-STL

18h 33m2 stops

$512Scandinavian Airlines

Find Deal

Sat, Nov 15 - Sat, Nov 22

3:30 pm - 5:50 pmSTL-PRG

19h 20m1 stop

3:05 pm - 11:44 pmPRG-STL

15h 39m2 stops

$516

Find Deal

Sun, Oct 19 - Tue, Nov 4

3:30 pm - 5:50 pmSTL-PRG

19h 20m1 stop

3:05 pm - 1:55 pmPRG-STL

29h 50m1 stop

$532Lufthansa

Find Deal

Sun, Oct 19 - Tue, Nov 4

1:35 pm - 1:05 pmSTL-PRG

17h 30m2 stops

11:50 am - 3:29 pmPRG-STL

34h 39m2 stops

$534United Airlines

Find Deal

Tue, Oct 28 - Tue, Nov 4

1:35 pm - 1:05 pmSTL-PRG

17h 30m2 stops

3:05 pm - 1:55 pmPRG-STL

29h 50m1 stop

$547United Airlines

Find Deal

Tue, Oct 28 - Tue, Nov 4

12:31 pm - 4:05 pmSTL-PRG

21h 34m2 stops

7:35 am - 3:29 pmPRG-STL

38h 54m2 stops

$584United Airlines

Find Deal

Thu, Oct 30 - Thu, Nov 6

3:30 pm - 5:55 pmSTL-PRG

19h 25m1 stop

6:00 am - 3:44 pmPRG-STL

16h 44m2 stops

$586Lufthansa

Find Deal

Wed, Oct 15 - Wed, Oct 22

3:30 pm - 5:55 pmSTL-PRG

19h 25m1 stop

6:40 pm - 3:18 pmPRG-STL

51h 38m2 stops

$608

Find Deal

Wed, Oct 15 - Mon, Oct 20

8:42 am - 11:00 pmSTL-PRG

31h 18m2 stops

8:40 pm - 11:49 pmPRG-STL

33h 09m2 stops

$778British Airways

Find Deal

Fri, Oct 17 - Sun, Oct 26

United Airlines flights from St. Louis to Prague

Our best United Airlines deals on St. Louis to Prague flight tickets

United Airlines

Oct 28

STL1:35 pmLambert-St Louis

17h 30m

2 stops

PRG1:05 pmVáclav Havel Prague

Nov 4

PRG11:50 amVáclav Havel Prague

34h 39m

2 stops

STL3:29 pmLambert-St Louis

$534

Find similar

United Airlines

Oct 28

STL1:35 pmLambert-St Louis

17h 30m

2 stops

PRG1:05 pmVáclav Havel Prague

Nov 4

PRG3:05 pmVáclav Havel Prague

29h 50m

1 stop

STL1:55 pmLambert-St Louis

$547

Find similar

United Airlines

Oct 30

STL12:31 pmLambert-St Louis

21h 34m

2 stops

PRG4:05 pmVáclav Havel Prague

Nov 6

PRG7:35 amVáclav Havel Prague

38h 54m

2 stops

STL3:29 pmLambert-St Louis

$584

Find similar

Lufthansa flights from St. Louis to Prague

Our best Lufthansa deals on St. Louis to Prague flight tickets

Lufthansa

Oct 19

STL3:30 pmLambert-St Louis

19h 20m

1 stop

PRG5:50 pmVáclav Havel Prague

Nov 4

PRG3:05 pmVáclav Havel Prague

29h 50m

1 stop

STL1:55 pmLambert-St Louis

$532

Find similar

Lufthansa

Oct 15

STL3:30 pmLambert-St Louis

19h 25m

1 stop

PRG5:55 pmVáclav Havel Prague

Oct 22

PRG6:00 amVáclav Havel Prague

16h 44m

2 stops

STL3:44 pmLambert-St Louis

$586

Find similar

Lufthansa

Oct 15

STL12:25 pmLambert-St Louis

14h 15m

2 stops

PRG9:40 amVáclav Havel Prague

Oct 22

PRG6:00 amVáclav Havel Prague

16h 44m

2 stops

STL3:44 pmLambert-St Louis

$590

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 10/19

9:15 am-4:00 pm

2 stops23h 45m

Václav Havel Prague

Tue 11/4

11:50 am-3:29 pm

2 stops34h 39m

$506

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sat 11/15

1:33 pm-2:20 pm

2 stops17h 47m

Václav Havel Prague

Sat 11/22

10:25 am-9:58 pm

2 stops18h 33m

$512

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 10/19

3:30 pm-5:50 pm

1 stop19h 20m

Václav Havel Prague

Tue 11/4

3:05 pm-11:44 pm

2 stops15h 39m

$516

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 10/19

3:30 pm-5:50 pm

1 stop19h 20m

Václav Havel Prague

Tue 11/4

3:05 pm-1:55 pm

1 stop29h 50m

$532

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 10/28

1:35 pm-1:05 pm

2 stops17h 30m

Václav Havel Prague

Tue 11/4

11:50 am-3:29 pm

2 stops34h 39m

$534

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 10/28

1:35 pm-1:05 pm

2 stops17h 30m

Václav Havel Prague

Tue 11/4

3:05 pm-1:55 pm

1 stop29h 50m

$547

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 10/30

12:31 pm-4:05 pm

2 stops21h 34m

Václav Havel Prague

Thu 11/6

7:35 am-3:29 pm

2 stops38h 54m

$584

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/15

3:30 pm-5:55 pm

1 stop19h 25m

Václav Havel Prague

Wed 10/22

6:00 am-3:44 pm

2 stops16h 44m

$586

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/15

3:30 pm-5:55 pm

1 stop19h 25m

Václav Havel Prague

Mon 10/20

6:40 pm-3:18 pm

2 stops51h 38m

$608

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Fri 10/17

8:42 am-11:00 pm

2 stops31h 18m

Václav Havel Prague

Sun 10/26

8:40 pm-11:49 pm

2 stops33h 09m

$778

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the typical price of a round-trip flight between St. Louis and Prague?

What is the cheapest month to fly to Prague?

In general, March 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 $659. If you are unable to visit Prague during the month of March, then departing from St. Louis during the month February is also very affordable. Most momondo users find prices during this month for around $714.

What is the cheapest day to depart on your flight to Prague?

The cheapest day to depart from St. Louis to Prague is on a Thursday. Travelers who choose to depart for Prague on a Thursday will often find tickets for as low as $983. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Prague for around $1,216.

What is the cheapest time of day to depart on your flight to Prague?

According to our data, the cheapest time of day to fly to Prague is in the morning. momondo users have found flights departing from St. Louis to Prague in the morning for as low as $1,013. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets at noon because they tend to be around $1,216. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from St. Louis to Prague

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Prague according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

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

Direct flights	None

There are no direct flights from St. Louis to Prague. There are no popular flight routes from St. Louis to Prague.

Search flight deals

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 11h 10m, 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 6 as of September 2025.
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 32% of all bookings. The subsequent popular airlines are United Airlines at 23%, Delta at 18%, and KLM at 10%.

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
British Airways	PriceFrom $582	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
Delta	PriceFrom $657	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
Lufthansa	PriceFrom $683	Free Cancellation	Rating 6.8 7,407 reviews	Search Lufthansa flights
KLM	PriceFrom $708	Free Cancellation	Rating 7.8 1,385 reviews	Search KLM flights
United Airlines	PriceFrom $723	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights
Air Canada	PriceFrom $745	Free Cancellation	Rating 7.1 10,000 reviews	Search Air Canada flights

Český Krumlov

Pilsen

Liberec

Why 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.

An easier way to manage your Prague trip

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Cheap flights from St. Louis to Prague from $367

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 9/25. 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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Filter for what you want

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United Airlines flights from St. Louis to Prague

Our best United Airlines deals on St. Louis to Prague flight tickets

Lufthansa flights from St. Louis to Prague

Our best Lufthansa deals on St. Louis to Prague flight tickets

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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?

What is the cheapest month to fly to Prague?

What is the cheapest day to depart on your flight to Prague?

What is the cheapest time of day to depart on your flight to Prague?

What is the cheapest airline that flies from Lambert-St Louis to Václav Havel Prague?

Scandinavian Airlines, American Airlines, and United Airlines are the most popular carriers operating from Lambert-St Louis to Václav Havel Prague

What airlines fly to Prague?

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

Direct flights

How far is Lambert-St Louis to Václav Havel Prague by plane?

When did momondo last update prices for flights from Lambert-St Louis Airport to Václav Havel Prague Airport?

How many operators does momondo search for flights from Lambert-St Louis Airport to Václav Havel Prague Airport?

How old do you have to be to fly from Lambert-St Louis Airport to Václav Havel Prague Airport?

What documentation or ID do you need to fly to Václav Havel Prague Airport?

What is the most popular airline from St. Louis to Prague?

Best airlines flying from St. Louis to Prague

Compare and see reviews for airlines that fly from St. Louis to Prague with momondo

Traveling to a place near Prague?

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Prague?

Can I find flights from St. Louis to Prague with flexible booking policies on momondo?

How can momondo help me find flights from St. Louis to Prague?

I’m not ready to book a flight from St. Louis to Prague right now. Can momondo alert me if prices change?

An easier way to manage your Prague trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the Czech Republic

Fly your favorite airline to Prague

Airlines are sorted and displayed according to clicks in the past 7 days on momondo