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Cheap flights from St. Louis to the Czech Republic from $353

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 10/8. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to the Czech Republic

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:45 am - 5:55 pm
STL
-
PRG
23h 10m
2 stops
United Airlines Logo
7:15 am - 1:45 pm
PRG
-
STL
13h 30m
1 stop
$802United Airlines
Wed, Dec 2 - Fri, Dec 11
Delta Logo
4:13 pm - 5:05 pm
STL
-
PRG
17h 52m
2 stops
Delta Logo
2:30 pm - 11:39 pm
PRG
-
STL
16h 09m
2 stops
$810Delta
Wed, Dec 2 - Fri, Dec 11
Multiple Airlines Logo
4:15 pm - 8:45 am
STL
-
PRG
33h 30m
2 stops
Multiple Airlines Logo
7:00 pm - 3:30 pm
PRG
-
STL
51h 30m
2 stops
$818Multiple Airlines
Wed, Nov 11 - Mon, Nov 16
Multiple Airlines Logo
12:10 pm - 11:00 am
STL
-
PRG
15h 50m
2 stops
Multiple Airlines Logo
6:10 am - 1:25 pm
PRG
-
STL
14h 15m
1 stop
$820Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
12:10 pm - 11:00 am
STL
-
PRG
15h 50m
2 stops
Multiple Airlines Logo
6:15 am - 1:25 pm
PRG
-
STL
14h 10m
2 stops
$837Multiple Airlines
Mon, Aug 3 - Wed, Aug 19
Multiple Airlines Logo
6:30 am - 10:45 am
STL
-
PRG
21h 15m
3 stops
Multiple Airlines Logo
2:50 pm - 3:30 pm
PRG
-
STL
31h 40m
2 stops
$841Multiple Airlines
Wed, Nov 11 - Mon, Nov 16
Delta Logo
5:25 pm - 9:00 am
STL
-
PRG
32h 35m
1 stop
Delta Logo
11:00 am - 8:31 pm
PRG
-
STL
16h 31m
1 stop
$844Delta
Mon, Aug 3 - Wed, Aug 19
Delta Logo
7:20 am - 10:50 am
STL
-
PRG
20h 30m
2 stops
Delta Logo
8:50 am - 8:51 pm
PRG
-
STL
43h 01m
2 stops
$854Delta
Wed, Oct 7 - Mon, Oct 19
Lufthansa Logo
1:29 pm - 8:55 am
STL
-
PRG
12h 26m
2 stops
Lufthansa Logo
6:35 pm - 1:25 pm
PRG
-
STL
25h 50m
1 stop
$860Lufthansa
Wed, Oct 7 - Mon, Oct 19
Lufthansa Logo
3:30 pm - 5:30 pm
STL
-
PRG
19h 00m
1 stop
Lufthansa Logo
6:35 pm - 1:25 pm
PRG
-
STL
25h 50m
1 stop
$874Lufthansa
Wed, Oct 7 - Mon, Oct 19

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Delta flights from St. Louis to Czech Republic

Our best Delta deals on St. Louis to Czech Republic flight tickets
Delta
Aug 3
STL5:25 pmLambert-St Louis
32h 35m
1 stop
PRG9:00 amVáclav Havel Prague
Aug 19
PRG11:00 amVáclav Havel Prague
16h 31m
1 stop
STL8:31 pmLambert-St Louis
$844
Delta
Aug 13
STL9:25 amLambert-St Louis
16h 35m
1 stop
PRG9:00 amVáclav Havel Prague
Aug 18
PRG11:00 amVáclav Havel Prague
16h 31m
1 stop
STL8:31 pmLambert-St Louis
$943
Delta
Jul 7
STL6:00 amLambert-St Louis
20h 00m
2 stops
PRG9:00 amVáclav Havel Prague
Jul 18
PRG6:00 amVáclav Havel Prague
18h 24m
2 stops
STL5:24 pmLambert-St Louis
$1,284

Lufthansa flights from St. Louis to Czech Republic

Our best Lufthansa deals on St. Louis to Czech Republic flight tickets
Lufthansa
Sep 1
STL3:30 pmLambert-St Louis
12h 20m
1 stop
PRG10:50 amVáclav Havel Prague
Sep 16
PRG6:10 amVáclav Havel Prague
14h 15m
1 stop
STL1:25 pmLambert-St Louis
$885
Lufthansa
Aug 24
STL3:30 pmLambert-St Louis
12h 25m
1 stop
PRG10:55 amVáclav Havel Prague
Sep 4
PRG6:00 amVáclav Havel Prague
14h 25m
1 stop
STL1:25 pmLambert-St Louis
$887
Lufthansa
Jul 12
STL3:30 pmLambert-St Louis
12h 15m
1 stop
PRG10:45 amVáclav Havel Prague
Jul 18
PRG6:40 pmVáclav Havel Prague
25h 45m
1 stop
STL1:25 pmLambert-St Louis
$1,321

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 June 15, 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

Cheapest round-trip

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 12/2

11:45 am-5:55 pm

2 stops23h 10m

Václav Havel Prague

Fri 12/11

7:15 am-1:45 pm

1 stop13h 30m

$802

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 12/2

4:13 pm-5:05 pm

2 stops17h 52m

Václav Havel Prague

Fri 12/11

2:30 pm-11:39 pm

2 stops16h 09m

$810

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 11/11

4:15 pm-8:45 am

2 stops33h 30m

Václav Havel Prague

Mon 11/16

7:00 pm-3:30 pm

2 stops51h 30m

$818

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 8/3

12:10 pm-11:00 am

2 stops15h 50m

Václav Havel Prague

Wed 8/19

6:10 am-1:25 pm

1 stop14h 15m

$820
Quickest round-trip

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 8/3

12:10 pm-11:00 am

2 stops15h 50m

Václav Havel Prague

Wed 8/19

6:15 am-1:25 pm

2 stops14h 10m

$837

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 11/11

6:30 am-10:45 am

3 stops21h 15m

Václav Havel Prague

Mon 11/16

2:50 pm-3:30 pm

2 stops31h 40m

$841

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Mon 8/3

5:25 pm-9:00 am

1 stop32h 35m

Václav Havel Prague

Wed 8/19

11:00 am-8:31 pm

1 stop16h 31m

$844

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/7

7:20 am-10:50 am

2 stops20h 30m

Václav Havel Prague

Mon 10/19

8:50 am-8:51 pm

2 stops43h 01m

$854

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/7

1:29 pm-8:55 am

2 stops12h 26m

Václav Havel Prague

Mon 10/19

6:35 pm-1:25 pm

1 stop25h 50m

$860

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/7

3:30 pm-5:30 pm

1 stop19h 00m

Václav Havel Prague

Mon 10/19

6:35 pm-1:25 pm

1 stop25h 50m

$874

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

What is the cheapest month to fly to Czech Republic?

In general, January is the cheapest month to fly from St. Louis to Czech Republic. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Czech Republic during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $409.

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

You could potentially save up to 28% 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 20m

Direct flights

None
The fastest flight from St. Louis to Czech Republic takes 12h 20m
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

Frequently asked questions about flying from St. Louis to the Czech Republic

  • 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 $409Free CancellationRating
7.4
9,828 reviews
Search United Airlines flights
American AirlinesPriceFrom $511Free CancellationRating
7.1
11,661 reviews
Search American Airlines flights
LufthansaPriceFrom $572Free CancellationRating
6.8
8,061 reviews
Search Lufthansa flights
DeltaPriceFrom $908Free CancellationRating
7.9
8,395 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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