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Cheap flights from St. Louis to the Czech Republic from $369

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 the Czech Republic departing on 4/20. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
11:44 am - 1:15 pm
STL
-
PRG
18h 31m2 stops
British Airways Logo
10:10 am - 11:48 pm
PRG
-
STL
20h 38m2 stops
$445British Airways
on., apr. 29 - fr., mai 8
British Airways Logo
9:35 pm - 10:55 pm
STL
-
PRG
18h 20m1 stop
British Airways Logo
10:10 am - 10:14 pm
PRG
-
STL
19h 04m2 stops
$448British Airways
on., apr. 29 - fr., mai 8
British Airways Logo
8:00 am - 2:00 pm
STL
-
PRG
23h 00m2 stops
British Airways Logo
6:30 pm - 11:04 pm
PRG
-
STL
35h 34m2 stops
$470British Airways
fr., feb. 20 - on., feb. 25
British Airways Logo
9:35 pm - 5:05 pm
STL
-
PRG
12h 30m1 stop
British Airways Logo
10:10 am - 10:14 pm
PRG
-
STL
19h 04m2 stops
$481British Airways
on., apr. 29 - fr., mai 8
Multiple Airlines Logo
7:00 am - 6:50 pm
STL
-
PRG
28h 50m2 stops
Multiple Airlines Logo
7:35 pm - 7:29 pm
PRG
-
STL
30h 54m2 stops
$486Multiple Airlines
to., feb. 12 - ma., feb. 23
United Airlines Logo
12:15 pm - 1:55 pm
STL
-
PRG
18h 40m2 stops
United Airlines Logo
7:30 am - 1:55 pm
PRG
-
STL
13h 25m1 stop
$487United Airlines
on., feb. 25 - on., mar. 4
Multiple Airlines Logo
4:05 pm - 5:55 pm
STL
-
PRG
42h 50m2 stops
Multiple Airlines Logo
10:25 am - 3:24 pm
PRG
-
STL
35h 59m2 stops
$488Multiple Airlines
lø., apr. 11 - on., apr. 22
British Airways Logo
2:29 pm - 5:20 pm
STL
-
PRG
19h 51m2 stops
British Airways Logo
1:00 pm - 7:30 pm
PRG
-
STL
13h 30m1 stop
$492British Airways
lø., apr. 11 - on., apr. 22
British Airways Logo
12:11 pm - 1:35 pm
STL
-
PRG
18h 24m2 stops
British Airways Logo
10:40 am - 10:14 pm
PRG
-
STL
18h 34m2 stops
$495British Airways
sø., apr. 19 - sø., apr. 26
Multiple Airlines Logo
9:55 am - 1:55 pm
STL
-
PRG
21h 00m3 stops
Multiple Airlines Logo
7:25 am - 3:29 pm
PRG
-
STL
39h 04m2 stops
$503Multiple Airlines
ti., feb. 24 - ti., mar. 3

British Airways flights from St. Louis to Czech Republic

Our best British Airways deals on St. Louis to Czech Republic flight tickets
British Airways
Apr 29
STL11:44 amLambert-St Louis
21h 01m
2 stops
PRG3:45 pmVáclav Havel Prague
May 8
PRG7:05 amVáclav Havel Prague
22h 09m
2 stops
STL10:14 pmLambert-St Louis
$445
British Airways
Apr 29
STL9:35 pmLambert-St Louis
18h 20m
1 stop
PRG10:55 pmVáclav Havel Prague
May 8
PRG10:10 amVáclav Havel Prague
19h 04m
2 stops
STL10:14 pmLambert-St Louis
$448
British Airways
Feb 20
STL8:00 amLambert-St Louis
23h 00m
2 stops
PRG2:00 pmVáclav Havel Prague
Feb 25
PRG6:30 pmVáclav Havel Prague
35h 34m
2 stops
STL11:04 pmLambert-St Louis
$470

United Airlines flights from St. Louis to Czech Republic

Our best United Airlines deals on St. Louis to Czech Republic flight tickets
United Airlines
Feb 25
STL12:15 pmLambert-St Louis
18h 40m
2 stops
PRG1:55 pmVáclav Havel Prague
Mar 4
PRG7:30 amVáclav Havel Prague
13h 25m
1 stop
STL1:55 pmLambert-St Louis
$487
United Airlines
Jan 21
STL3:11 pmLambert-St Louis
15h 44m
2 stops
PRG1:55 pmVáclav Havel Prague
Jan 25
PRG7:25 amVáclav Havel Prague
13h 30m
1 stop
STL1:55 pmLambert-St Louis
$537
United Airlines
Jan 21
STL6:30 amLambert-St Louis
24h 25m
2 stops
PRG1:55 pmVáclav Havel Prague
Jan 25
PRG6:15 amVáclav Havel Prague
23h 43m
2 stops
STL10:58 pmLambert-St Louis
$540

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Czech Republic 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 Januar 12, 2026.
Use the filters below to find and compare flights from St. Louis to the Czech Republic that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

on. 4/29

11:44 am-1:15 pm

2 stops18h 31m

Václav Havel Prague

fr. 5/8

10:10 am-11:48 pm

2 stops20h 38m

$445

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

on. 4/29

9:35 pm-10:55 pm

1 stop18h 20m

Václav Havel Prague

fr. 5/8

10:10 am-10:14 pm

2 stops19h 04m

$448

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

fr. 2/20

8:00 am-2:00 pm

2 stops23h 00m

Václav Havel Prague

on. 2/25

6:30 pm-11:04 pm

2 stops35h 34m

$470

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

on. 4/29

9:35 pm-5:05 pm

1 stop12h 30m

Václav Havel Prague

fr. 5/8

10:10 am-10:14 pm

2 stops19h 04m

$481

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

to. 2/12

7:00 am-6:50 pm

2 stops28h 50m

Václav Havel Prague

ma. 2/23

7:35 pm-7:29 pm

2 stops30h 54m

$486

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

on. 2/25

12:15 pm-1:55 pm

2 stops18h 40m

Václav Havel Prague

on. 3/4

7:30 am-1:55 pm

1 stop13h 25m

$487

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

lø. 4/11

4:05 pm-5:55 pm

2 stops42h 50m

Václav Havel Prague

on. 4/22

10:25 am-3:24 pm

2 stops35h 59m

$488

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

lø. 4/11

2:29 pm-5:20 pm

2 stops19h 51m

Václav Havel Prague

on. 4/22

1:00 pm-7:30 pm

1 stop13h 30m

$492

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

sø. 4/19

12:11 pm-1:35 pm

2 stops18h 24m

Václav Havel Prague

sø. 4/26

10:40 am-10:14 pm

2 stops18h 34m

$495

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

ti. 2/24

9:55 am-1:55 pm

3 stops21h 00m

Václav Havel Prague

ti. 3/3

7:25 am-3:29 pm

2 stops39h 04m

$503

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis to Czech Republic

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

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

You could potentially save up to 33% on your flight if you consider stops on a St. Louis to Czech Republic flight.

Cheap St. Louis to Czech Republic flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Czech Republic

Fastest flight time

15h 44m

Direct flights

None
The fastest flight from St. Louis to Czech Republic takes 15h 44m
There are no direct flights from St. Louis to Czech Republic. There are no popular flight routes from St. Louis to Czech Republic.
Search flight deals

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Czech Republic?

    Prices for flights from Lambert-St Louis Airport to Czech Republic are refreshed on a daily basis.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Czech Republic?

  • How old do you have to be to fly from Lambert-St Louis Airport to Czech Republic?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Czech Republic.

  • What documentation or ID do you need to fly to Czech Republic?

    The necessary travel and health documents for your Czech Republic trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from St. Louis to Czech Republic

Compare and see reviews for airlines that fly from St. Louis to Czech Republic with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $504Free CancellationRating
7.4
9,144 reviews
Search United Airlines flights
British AirwaysPriceFrom $582Free CancellationRating
6.7
7,664 reviews
Search British Airways flights
DeltaPriceFrom $642Free CancellationRating
7.9
8,037 reviews
Search Delta flights
LufthansaPriceFrom $684Free CancellationRating
6.8
7,709 reviews
Search Lufthansa flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Czech Republic. momondo saves you time and could save you money on your trip.

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

All flight searches from St. Louis to Czech Republic on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential St. Louis to Czech Republic flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from St. Louis to Czech Republic now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Czech Republic and let you know when they change.

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