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Cheap flights from St. Louis to the Czech Republic from $386

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 5/24. 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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Find the cheapest flights from St. Louis to the Czech Republic

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:59 pm - 7:35 pm
STL
-
PRG
18h 36m
2 stops
Delta Logo
6:00 am - 9:19 pm
PRG
-
STL
22h 19m
2 stops
$707Delta
Tue, Apr 21 - Tue, Apr 28
United Airlines Logo
9:10 am - 5:55 pm
STL
-
PRG
25h 45m
2 stops
United Airlines Logo
6:00 am - 8:04 pm
PRG
-
STL
45h 04m
2 stops
$708United Airlines
Tue, Apr 21 - Thu, Apr 30
Finnair Logo
5:21 pm - 6:45 pm
STL
-
PRG
18h 24m
2 stops
Finnair Logo
11:35 am - 10:19 pm
PRG
-
STL
17h 44m
2 stops
$711Finnair
Wed, Apr 29 - Fri, May 8
United Airlines Logo
9:10 am - 1:30 pm
STL
-
PRG
21h 20m
2 stops
United Airlines Logo
6:00 am - 1:25 pm
PRG
-
STL
14h 25m
1 stop
$712United Airlines
Wed, Apr 29 - Fri, May 8
United Airlines Logo
4:05 pm - 5:30 pm
STL
-
PRG
18h 25m
2 stops
United Airlines Logo
6:00 am - 1:25 pm
PRG
-
STL
14h 25m
1 stop
$716United Airlines
Wed, Apr 29 - Fri, May 8
United Airlines Logo
7:45 am - 5:55 pm
STL
-
PRG
27h 10m
2 stops
United Airlines Logo
1:25 pm - 3:24 pm
PRG
-
STL
56h 59m
2 stops
$720United Airlines
Mon, Apr 20 - Mon, Apr 27
United Airlines Logo
8:30 am - 4:05 pm
STL
-
PRG
24h 35m
2 stops
United Airlines Logo
1:25 pm - 7:22 pm
PRG
-
STL
36h 57m
2 stops
$722United Airlines
Mon, Apr 20 - Mon, Apr 27
United Airlines Logo
12:15 pm - 11:00 am
STL
-
PRG
15h 45m
2 stops
United Airlines Logo
1:25 pm - 7:22 pm
PRG
-
STL
36h 57m
2 stops
$723United Airlines
Mon, Apr 20 - Mon, Apr 27
Finnair Logo
12:27 pm - 6:45 pm
STL
-
PRG
23h 18m
2 stops
Finnair Logo
7:30 pm - 7:30 pm
PRG
-
STL
31h 00m
2 stops
$730Finnair
Tue, Apr 21 - Mon, Apr 27
British Airways Logo
5:21 pm - 11:25 pm
STL
-
PRG
23h 04m
2 stops
British Airways Logo
5:45 pm - 7:30 pm
PRG
-
STL
32h 45m
1 stop
$740British Airways
Tue, Apr 21 - Tue, Apr 28

United Airlines flights from St. Louis to Czech Republic

Our best United Airlines deals on St. Louis to Czech Republic flight tickets
United Airlines
Apr 21
STL9:10 amLambert-St Louis
25h 45m
2 stops
PRG5:55 pmVáclav Havel Prague
Apr 30
PRG6:00 amVáclav Havel Prague
45h 04m
2 stops
STL8:04 pmLambert-St Louis
$708
United Airlines
Apr 29
STL9:10 amLambert-St Louis
21h 20m
2 stops
PRG1:30 pmVáclav Havel Prague
May 8
PRG6:00 amVáclav Havel Prague
14h 25m
1 stop
STL1:25 pmLambert-St Louis
$712
United Airlines
Apr 29
STL4:05 pmLambert-St Louis
18h 25m
2 stops
PRG5:30 pmVáclav Havel Prague
May 8
PRG6:00 amVáclav Havel Prague
14h 25m
1 stop
STL1:25 pmLambert-St Louis
$716

Delta flights from St. Louis to Czech Republic

Our best Delta deals on St. Louis to Czech Republic flight tickets
Delta
Apr 21
STL5:59 pmLambert-St Louis
18h 36m
2 stops
PRG7:35 pmVáclav Havel Prague
Apr 28
PRG6:00 amVáclav Havel Prague
22h 19m
2 stops
STL9:19 pmLambert-St Louis
$707
Delta
Mar 18
STL1:39 pmLambert-St Louis
16h 01m
2 stops
PRG11:40 amVáclav Havel Prague
Mar 25
PRG6:00 amVáclav Havel Prague
21h 06m
2 stops
STL9:06 pmLambert-St Louis
$819
Delta
Mar 18
STL10:50 amLambert-St Louis
18h 50m
2 stops
PRG11:40 amVáclav Havel Prague
Mar 25
PRG6:30 amVáclav Havel Prague
20h 12m
2 stops
STL8:42 pmLambert-St Louis
$824

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 February 26, 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

Tue 4/21

5:59 pm-7:35 pm

2 stops18h 36m

Václav Havel Prague

Tue 4/28

6:00 am-9:19 pm

2 stops22h 19m

$707

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 4/21

9:10 am-5:55 pm

2 stops25h 45m

Václav Havel Prague

Thu 4/30

6:00 am-8:04 pm

2 stops45h 04m

$708

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 4/29

5:21 pm-6:45 pm

2 stops18h 24m

Václav Havel Prague

Fri 5/8

11:35 am-10:19 pm

2 stops17h 44m

$711

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 4/29

9:10 am-1:30 pm

2 stops21h 20m

Václav Havel Prague

Fri 5/8

6:00 am-1:25 pm

1 stop14h 25m

$712

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 4/29

4:05 pm-5:30 pm

2 stops18h 25m

Václav Havel Prague

Fri 5/8

6:00 am-1:25 pm

1 stop14h 25m

$716

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 4/20

7:45 am-5:55 pm

2 stops27h 10m

Václav Havel Prague

Mon 4/27

1:25 pm-3:24 pm

2 stops56h 59m

$720

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 4/20

8:30 am-4:05 pm

2 stops24h 35m

Václav Havel Prague

Mon 4/27

1:25 pm-7:22 pm

2 stops36h 57m

$722

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 4/20

12:15 pm-11:00 am

2 stops15h 45m

Václav Havel Prague

Mon 4/27

1:25 pm-7:22 pm

2 stops36h 57m

$723

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 4/21

12:27 pm-6:45 pm

2 stops23h 18m

Václav Havel Prague

Mon 4/27

7:30 pm-7:30 pm

2 stops31h 00m

$730

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 4/21

5:21 pm-11:25 pm

2 stops23h 04m

Václav Havel Prague

Tue 4/28

5:45 pm-7:30 pm

1 stop32h 45m

$740

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 the Czech Republic from

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 59% 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

12h 25m

Direct flights

None
The fastest flight from St. Louis to Czech Republic takes 12h 25m
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 $500Free CancellationRating
7.4
9,347 reviews
Search United Airlines flights
LufthansaPriceFrom $572Free CancellationRating
6.8
7,810 reviews
Search Lufthansa flights
DeltaPriceFrom $728Free CancellationRating
7.9
8,237 reviews
Search Delta 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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