What airlines fly to Prague?

Lufthansa, Delta and United Airlines 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 40% 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 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 airport is the most popular layover for flights between St. Louis and Prague?

Frankfurt am Main (FRA) was the most common stop: 82% 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 connection time from St. Louis to Prague?

Philadelphia (PHL) has the shortest average layover time for this route: 2h 45m.

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 November 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.

$338 Cheap Flights from St. Louis to Prague in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Prague

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:08 pm - 6:50 pmSTL Lambert-St Louis-PRG Václav Havel Prague

23h 42m2 stops Dallas/Fort Worth Helsinki-Vantaa

7:35 pm - 11:39 pmPRG Václav Havel Prague-STL Lambert-St Louis

34h 04m2 stops Helsinki-Vantaa Miami

$764Finnair

Mon, Mar 1 - Mon, Mar 15

1:08 pm - 1:55 pmSTL Lambert-St Louis-PRG Václav Havel Prague

17h 47m2 stops Chicago O'Hare Intl Zurich

7:05 am - 1:45 pmPRG Václav Havel Prague-STL Lambert-St Louis

13h 40m1 stop Frankfurt am Main

$771United Airlines

Wed, Mar 3 - Fri, Mar 5

9:00 pm - 5:00 pmSTL Lambert-St Louis-PRG Václav Havel Prague

13h 00m1 stop London Heathrow

5:15 pm - 7:30 pmPRG Václav Havel Prague-STL Lambert-St Louis

33h 15m1 stop London Heathrow

$776British Airways

Mon, Apr 19 - Wed, Apr 21

7:30 am - 1:55 pmSTL Lambert-St Louis-PRG Václav Havel Prague

23h 25m2 stops Chicago O'Hare Intl Zurich

11:30 am - 3:26 pmPRG Václav Havel Prague-STL Lambert-St Louis

34h 56m2 stops Frankfurt am Main Toronto Pearson Intl

$779United Airlines

Mon, Apr 19 - Wed, Apr 21

10:23 am - 12:40 pmSTL Lambert-St Louis-PRG Václav Havel Prague

19h 17m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:00 am - 3:26 pmPRG Václav Havel Prague-STL Lambert-St Louis

16h 26m2 stops Frankfurt am Main Toronto Pearson Intl

$779United Airlines

Mon, Apr 19 - Wed, Apr 21

9:00 pm - 5:00 pmSTL Lambert-St Louis-PRG Václav Havel Prague

13h 00m1 stop London Heathrow

5:15 pm - 7:30 pmPRG Václav Havel Prague-STL Lambert-St Louis

33h 15m1 stop London Heathrow

$780British Airways

Mon, Apr 19 - Wed, Apr 21

3:30 pm - 10:50 amSTL Lambert-St Louis-PRG Václav Havel Prague

12h 20m1 stop Frankfurt am Main

6:00 am - 1:25 pmPRG Václav Havel Prague-STL Lambert-St Louis

14h 25m1 stop Frankfurt am Main

$823Lufthansa

Thu, Apr 1 - Thu, Apr 15

5:45 pm - 3:00 pmSTL Lambert-St Louis-PRG Václav Havel Prague

14h 15m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

6:00 am - 8:49 pmPRG Václav Havel Prague-STL Lambert-St Louis

21h 49m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$830Delta

Thu, Apr 1 - Thu, Apr 15

5:45 pm - 3:00 pmSTL Lambert-St Louis-PRG Václav Havel Prague

14h 15m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle

6:05 am - 8:49 pmPRG Václav Havel Prague-STL Lambert-St Louis

21h 44m2 stops Amsterdam Schiphol Atlanta Hartsfield-Jackson

$830Delta

Thu, Apr 1 - Thu, Apr 15

1:17 pm - 4:05 pmSTL Lambert-St Louis-PRG Václav Havel Prague

19h 48m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

6:00 am - 1:25 pmPRG Václav Havel Prague-STL Lambert-St Louis

14h 25m1 stop Frankfurt am Main

$839Lufthansa

Sun, Feb 7 - Tue, Jun 8

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United Airlines flights from St. Louis to Prague

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

United Airlines

Mar 3

STL1:08 pmLambert-St Louis

17h 47m

2 stops

PRG1:55 pmVáclav Havel Prague

Mar 5

PRG7:05 amVáclav Havel Prague

13h 40m

1 stop

STL1:45 pmLambert-St Louis

$771

United Airlines

Apr 19

STL7:30 amLambert-St Louis

23h 25m

2 stops

PRG1:55 pmVáclav Havel Prague

Apr 21

PRG11:30 amVáclav Havel Prague

34h 56m

2 stops

STL3:26 pmLambert-St Louis

$779

United Airlines

Mar 3

STL7:10 pmLambert-St Louis

13h 55m

2 stops

PRG4:05 pmVáclav Havel Prague

Mar 5

PRG7:05 amVáclav Havel Prague

15h 21m

2 stops

STL3:26 pmLambert-St Louis

$780

British Airways flights from St. Louis to Prague

Our best British Airways deals on St. Louis to Prague flight tickets

British Airways

Apr 19

STL9:00 pmLambert-St Louis

13h 00m

1 stop

PRG5:00 pmVáclav Havel Prague

Apr 21

PRG5:15 pmVáclav Havel Prague

33h 15m

1 stop

STL7:30 pmLambert-St Louis

$776

British Airways

Apr 1

STL9:25 pmLambert-St Louis

12h 40m

1 stop

PRG5:05 pmVáclav Havel Prague

Apr 12

PRG8:55 pmVáclav Havel Prague

29h 38m

2 stops

STL7:33 pmLambert-St Louis

$840

British Airways

Apr 1

STL9:25 pmLambert-St Louis

15h 45m

1 stop

PRG8:10 pmVáclav Havel Prague

Apr 12

PRG8:55 pmVáclav Havel Prague

29h 35m

1 stop

STL7:30 pmLambert-St Louis

$841

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPrague

STL Lambert-St Louis - PRG Václav Havel Prague

STLPRG

Lambert-St Louis

Mon 3/1

12:08 pm-6:50 pm

2 stops23h 42m

Václav Havel Prague

Mon 3/15

7:35 pm-11:39 pm

2 stops34h 04m

$764

St. LouisPrague

STL Lambert-St Louis - PRG Václav Havel Prague

STLPRG

Lambert-St Louis

Wed 3/3

1:08 pm-1:55 pm

2 stops17h 47m

Václav Havel Prague

Fri 3/5

7:05 am-1:45 pm

1 stop13h 40m

$771

St. LouisPrague

STL Lambert-St Louis - PRG Václav Havel Prague

STLPRG

Lambert-St Louis

Mon 4/19

9:00 pm-5:00 pm

1 stop13h 00m

Václav Havel Prague

Wed 4/21

5:15 pm-7:30 pm

1 stop33h 15m

$776

St. LouisPrague

STL Lambert-St Louis - PRG Václav Havel Prague

STLPRG

Lambert-St Louis

Mon 4/19

7:30 am-1:55 pm

2 stops23h 25m

Václav Havel Prague

Wed 4/21

11:30 am-3:26 pm

2 stops34h 56m

$779

St. LouisPrague

STL Lambert-St Louis - PRG Václav Havel Prague

STLPRG

Lambert-St Louis

Mon 4/19

10:23 am-12:40 pm

2 stops19h 17m

Václav Havel Prague

Wed 4/21

6:00 am-3:26 pm

2 stops16h 26m

$779

St. LouisPrague

STL Lambert-St Louis - PRG Václav Havel Prague

STLPRG

Lambert-St Louis

Mon 4/19

9:00 pm-5:00 pm

1 stop13h 00m

Václav Havel Prague

Wed 4/21

5:15 pm-7:30 pm

1 stop33h 15m

$780

Quickest round-trip

St. LouisPrague

STL Lambert-St Louis - PRG Václav Havel Prague

STLPRG

Lambert-St Louis

Thu 4/1

3:30 pm-10:50 am

1 stop12h 20m

Václav Havel Prague

Thu 4/15

6:00 am-1:25 pm

1 stop14h 25m

$823

St. LouisPrague

STL Lambert-St Louis - PRG Václav Havel Prague

STLPRG

Lambert-St Louis

Thu 4/1

5:45 pm-3:00 pm

2 stops14h 15m

Václav Havel Prague

Thu 4/15

6:00 am-8:49 pm

2 stops21h 49m

$830

St. LouisPrague

STL Lambert-St Louis - PRG Václav Havel Prague

STLPRG

Lambert-St Louis

Thu 4/1

5:45 pm-3:00 pm

2 stops14h 15m

Václav Havel Prague

Thu 4/15

6:05 am-8:49 pm

2 stops21h 44m

$830

St. LouisPrague

STL Lambert-St Louis - PRG Václav Havel Prague

STLPRG

Lambert-St Louis

Sun 2/7

1:17 pm-4:05 pm

2 stops19h 48m

Václav Havel Prague

Tue 6/8

6:00 am-1:25 pm

1 stop14h 25m

$839

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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

Layovers

What is the cheapest month to fly to Prague?

In general, April 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 $620. If you are unable to visit Prague during the month of April, then departing from St. Louis during the month March is also very affordable. Most momondo users find prices during this month for around $764.

Can stopping save me money on St. Louis to Prague flights?

You could potentially save up to 13% on your flight if you consider stops on a St. Louis to Prague flight.

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

Best Price Found	$338
Fastest flight time	17h 47m
Direct flights	None

The best one-way flight to Prague from St. Louis in the past 72 hours is $338. The best round-trip flight deal from St. Louis to Prague found on momondo in the last 72 hours is $764.

The fastest flight from St. Louis to Prague takes 17h 47m

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

Search flight deals

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 17h 47m, 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 November 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 40% of all bookings. The subsequent popular airlines are Delta at 21%, United Airlines at 21%, and American Airlines at 18%.

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
United Airlines	PriceFrom $504	Free Cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights
American Airlines	PriceFrom $511	Free Cancellation	Rating 7.0 12,233 reviews	Search American Airlines flights
Lufthansa	PriceFrom $572	Free Cancellation	Rating 6.8 8,299 reviews	Search Lufthansa flights
Delta	PriceFrom $901	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta 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 $338

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 4/19. 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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United Airlines flights from St. Louis to Prague

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

British Airways flights from St. Louis to Prague

Our best British Airways deals on St. Louis to Prague flight tickets

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How to get the cheapest flight ticket from St. Louis to Prague

What is the cheapest month to fly to Prague?

Can stopping save me money on St. Louis to Prague flights?

What airlines fly to Prague?

Which airport is the most popular layover for flights between St. Louis and Prague?

Which layover airport offers the lowest fares from St. Louis to Prague?

Which layover airport has the shortest travel time from St. Louis to Prague?

Which layover airport has the shortest connection time from St. Louis to Prague?

When to book flights from St. Louis to Prague

Cheap St. Louis to Prague (STL to PRG) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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?

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

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List of cabin classes available on flights landing in Prague. Availability may vary depending on flight origin and airline.

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