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Cheap flights from St. Louis to Prague from $362

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 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from St. Louis to Prague

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
3:42 pm - 9:40 am
STL
-
PRG
34h 58m
2 stops
Scandinavian Airlines Logo
8:55 pm - 11:37 pm
PRG
-
STL
33h 42m
2 stops
$787Scandinavian Airlines
Thu, Sep 10 - Fri, Sep 18
Scandinavian Airlines Logo
1:30 pm - 9:40 am
STL
-
PRG
37h 10m
2 stops
Scandinavian Airlines Logo
8:55 pm - 8:50 pm
PRG
-
STL
30h 55m
2 stops
$877Scandinavian Airlines
Thu, Sep 10 - Fri, Sep 18
United Airlines Logo
8:55 am - 10:50 am
STL
-
PRG
18h 55m
1 stop
United Airlines Logo
6:00 am - 6:41 pm
PRG
-
STL
19h 41m
2 stops
$890United Airlines
Tue, Sep 15 - Thu, Oct 15
American Airlines Logo
6:20 am - 8:15 am
STL
-
PRG
18h 55m
1 stop
American Airlines Logo
10:15 am - 11:38 pm
PRG
-
STL
20h 23m
1 stop
$891American Airlines
Thu, Sep 10 - Fri, Sep 18
Turkish Airlines Logo
7:45 am - 6:25 pm
STL
-
PRG
27h 40m
2 stops
Turkish Airlines Logo
3:20 pm - 9:13 pm
PRG
-
STL
36h 53m
2 stops
$893Turkish Airlines
Mon, Apr 20 - Mon, Apr 27
Turkish Airlines Logo
7:45 am - 6:25 pm
STL
-
PRG
27h 40m
2 stops
Turkish Airlines Logo
1:55 pm - 9:13 pm
PRG
-
STL
38h 18m
2 stops
$894Turkish Airlines
Mon, Apr 20 - Mon, Apr 27
American Airlines Logo
7:44 am - 8:15 am
STL
-
PRG
17h 31m
2 stops
American Airlines Logo
10:15 am - 11:38 pm
PRG
-
STL
20h 23m
1 stop
$896American Airlines
Thu, Sep 10 - Fri, Sep 18
British Airways Logo
2:33 pm - 1:15 pm
STL
-
PRG
15h 42m
2 stops
British Airways Logo
8:55 pm - 5:03 pm
PRG
-
STL
27h 08m
2 stops
$899British Airways
Mon, May 4 - Mon, May 18
Turkish Airlines Logo
7:45 am - 2:25 pm
STL
-
PRG
23h 40m
2 stops
Turkish Airlines Logo
1:55 pm - 9:13 pm
PRG
-
STL
38h 18m
2 stops
$930Turkish Airlines
Mon, Apr 20 - Mon, Apr 27
British Airways Logo
9:35 pm - 9:20 am
STL
-
PRG
28h 45m
1 stop
British Airways Logo
10:10 am - 7:30 pm
PRG
-
STL
16h 20m
1 stop
$936British Airways
Wed, Apr 29 - Fri, May 8

Turkish Airlines flights from St. Louis to Prague

Our best Turkish Airlines deals on St. Louis to Prague flight tickets
Turkish Airlines
Apr 20
STL7:45 amLambert-St Louis
27h 40m
2 stops
PRG6:25 pmVáclav Havel Prague
Apr 27
PRG3:20 pmVáclav Havel Prague
36h 53m
2 stops
STL9:13 pmLambert-St Louis
$893
Turkish Airlines
Apr 20
STL7:45 amLambert-St Louis
27h 40m
2 stops
PRG6:25 pmVáclav Havel Prague
Apr 27
PRG1:55 pmVáclav Havel Prague
38h 18m
2 stops
STL9:13 pmLambert-St Louis
$894
Turkish Airlines
Apr 20
STL7:45 amLambert-St Louis
23h 40m
2 stops
PRG2:25 pmVáclav Havel Prague
Apr 27
PRG1:55 pmVáclav Havel Prague
38h 18m
2 stops
STL9:13 pmLambert-St Louis
$930

United Airlines flights from St. Louis to Prague

Our best United Airlines deals on St. Louis to Prague flight tickets
United Airlines
Sep 15
STL8:55 amLambert-St Louis
18h 55m
1 stop
PRG10:50 amVáclav Havel Prague
Oct 15
PRG6:00 amVáclav Havel Prague
19h 41m
2 stops
STL6:41 pmLambert-St Louis
$890
United Airlines
Apr 29
STL8:30 amLambert-St Louis
26h 25m
2 stops
PRG5:55 pmVáclav Havel Prague
May 8
PRG6:00 amVáclav Havel Prague
14h 25m
1 stop
STL1:25 pmLambert-St Louis
$944
United Airlines
Apr 29
STL1:10 pmLambert-St Louis
17h 20m
2 stops
PRG1:30 pmVáclav Havel Prague
May 8
PRG6:00 amVáclav Havel Prague
14h 25m
1 stop
STL1:25 pmLambert-St Louis
$955

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Prague that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 10, 2026.
Use the filters below to find and compare flights from St. Louis to Prague that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 9/10

3:42 pm-9:40 am

2 stops34h 58m

Václav Havel Prague

Fri 9/18

8:55 pm-11:37 pm

2 stops33h 42m

$787

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 9/10

1:30 pm-9:40 am

2 stops37h 10m

Václav Havel Prague

Fri 9/18

8:55 pm-8:50 pm

2 stops30h 55m

$877

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 9/15

8:55 am-10:50 am

1 stop18h 55m

Václav Havel Prague

Thu 10/15

6:00 am-6:41 pm

2 stops19h 41m

$890

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 9/10

6:20 am-8:15 am

1 stop18h 55m

Václav Havel Prague

Fri 9/18

10:15 am-11:38 pm

1 stop20h 23m

$891

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 4/20

7:45 am-6:25 pm

2 stops27h 40m

Václav Havel Prague

Mon 4/27

3:20 pm-9:13 pm

2 stops36h 53m

$893

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 4/20

7:45 am-6:25 pm

2 stops27h 40m

Václav Havel Prague

Mon 4/27

1:55 pm-9:13 pm

2 stops38h 18m

$894
Quickest round-trip

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 9/10

7:44 am-8:15 am

2 stops17h 31m

Václav Havel Prague

Fri 9/18

10:15 am-11:38 pm

1 stop20h 23m

$896

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 5/4

2:33 pm-1:15 pm

2 stops15h 42m

Václav Havel Prague

Mon 5/18

8:55 pm-5:03 pm

2 stops27h 08m

$899

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 4/20

7:45 am-2:25 pm

2 stops23h 40m

Václav Havel Prague

Mon 4/27

1:55 pm-9:13 pm

2 stops38h 18m

$930

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 4/29

9:35 pm-9:20 am

1 stop28h 45m

Václav Havel Prague

Fri 5/8

10:10 am-7:30 pm

1 stop16h 20m

$936

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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

You could potentially save up to 28% 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

Fastest flight time

13h 57m

Direct flights

None
The fastest flight from St. Louis to Prague takes 13h 57m
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 13h 57m, 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?

  • 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?

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 AirlinesPriceFrom $500Free CancellationRating
7.4
9,567 reviews
Search United Airlines flights
LufthansaPriceFrom $572Free CancellationRating
6.8
7,909 reviews
Search Lufthansa flights
British AirwaysPriceFrom $582Free CancellationRating
6.7
7,871 reviews
Search British Airways flights
DeltaPriceFrom $908Free CancellationRating
7.9
8,404 reviews
Search Delta flights

Traveling to a place near Prague?

Book flights to Prague if you plan to visit one of these locations
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.

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Fly your favorite airline to Prague

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Lufthansa
United Airlines
Delta
British Airways