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Cheap flights from St. Louis to the Czech Republic from $367

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 9/25. 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

Air Canada Logo
9:15 am - 4:00 pmSTL-PRG
23h 45m2 stops
Air Canada Logo
11:50 am - 3:29 pmPRG-STL
34h 39m2 stops
$506Air Canada
Find Deal
Sun, Oct 19 - Tue, Nov 4
Scandinavian Airlines Logo
1:33 pm - 2:20 pmSTL-PRG
17h 47m2 stops
Scandinavian Airlines Logo
10:25 am - 9:58 pmPRG-STL
18h 33m2 stops
$512Scandinavian Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 22
Logo
3:30 pm - 5:50 pmSTL-PRG
19h 20m1 stop
Logo
3:05 pm - 11:44 pmPRG-STL
15h 39m2 stops
$516
Find Deal
Sun, Oct 19 - Tue, Nov 4
Lufthansa Logo
3:30 pm - 5:50 pmSTL-PRG
19h 20m1 stop
Lufthansa Logo
3:05 pm - 1:55 pmPRG-STL
29h 50m1 stop
$532Lufthansa
Find Deal
Sun, Oct 19 - Tue, Nov 4
United Airlines Logo
1:35 pm - 1:05 pmSTL-PRG
17h 30m2 stops
United Airlines Logo
11:50 am - 3:29 pmPRG-STL
34h 39m2 stops
$534United Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
United Airlines Logo
1:35 pm - 1:05 pmSTL-PRG
17h 30m2 stops
United Airlines Logo
3:05 pm - 1:55 pmPRG-STL
29h 50m1 stop
$547United Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 4
United Airlines Logo
12:31 pm - 4:05 pmSTL-PRG
21h 34m2 stops
United Airlines Logo
7:35 am - 3:29 pmPRG-STL
38h 54m2 stops
$584United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Lufthansa Logo
3:30 pm - 5:55 pmSTL-PRG
19h 25m1 stop
Lufthansa Logo
6:00 am - 3:44 pmPRG-STL
16h 44m2 stops
$586Lufthansa
Find Deal
Wed, Oct 15 - Wed, Oct 22
Logo
3:30 pm - 5:55 pmSTL-PRG
19h 25m1 stop
Logo
6:40 pm - 3:18 pmPRG-STL
51h 38m2 stops
$608
Find Deal
Wed, Oct 15 - Mon, Oct 20
British Airways Logo
8:42 am - 11:00 pmSTL-PRG
31h 18m2 stops
British Airways Logo
8:40 pm - 11:49 pmPRG-STL
33h 09m2 stops
$778British Airways
Find Deal
Fri, Oct 17 - Sun, Oct 26

United Airlines flights from St. Louis to Czech Republic

Our best United Airlines deals on St. Louis to Czech Republic flight tickets
United Airlines
Oct 28
STL1:35 pmLambert-St Louis
17h 30m
2 stops
PRG1:05 pmVáclav Havel Prague
Nov 4
PRG11:50 amVáclav Havel Prague
34h 39m
2 stops
STL3:29 pmLambert-St Louis
$534
Find similar
United Airlines
Oct 28
STL1:35 pmLambert-St Louis
17h 30m
2 stops
PRG1:05 pmVáclav Havel Prague
Nov 4
PRG3:05 pmVáclav Havel Prague
29h 50m
1 stop
STL1:55 pmLambert-St Louis
$547
Find similar
United Airlines
Oct 30
STL12:31 pmLambert-St Louis
21h 34m
2 stops
PRG4:05 pmVáclav Havel Prague
Nov 6
PRG7:35 amVáclav Havel Prague
38h 54m
2 stops
STL3:29 pmLambert-St Louis
$584
Find similar

Lufthansa flights from St. Louis to Czech Republic

Our best Lufthansa deals on St. Louis to Czech Republic flight tickets
Lufthansa
Oct 19
STL3:30 pmLambert-St Louis
19h 20m
1 stop
PRG5:50 pmVáclav Havel Prague
Nov 4
PRG3:05 pmVáclav Havel Prague
29h 50m
1 stop
STL1:55 pmLambert-St Louis
$532
Find similar
Lufthansa
Oct 15
STL3:30 pmLambert-St Louis
19h 25m
1 stop
PRG5:55 pmVáclav Havel Prague
Oct 22
PRG6:00 amVáclav Havel Prague
16h 44m
2 stops
STL3:44 pmLambert-St Louis
$586
Find similar
Lufthansa
Oct 15
STL12:25 pmLambert-St Louis
14h 15m
2 stops
PRG9:40 amVáclav Havel Prague
Oct 22
PRG6:00 amVáclav Havel Prague
16h 44m
2 stops
STL3:44 pmLambert-St Louis
$590
Find similar

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 September 15, 2025.
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

Sun 10/19

9:15 am-4:00 pm

2 stops23h 45m

Václav Havel Prague

Tue 11/4

11:50 am-3:29 pm

2 stops34h 39m

$506

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sat 11/15

1:33 pm-2:20 pm

2 stops17h 47m

Václav Havel Prague

Sat 11/22

10:25 am-9:58 pm

2 stops18h 33m

$512

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 10/19

3:30 pm-5:50 pm

1 stop19h 20m

Václav Havel Prague

Tue 11/4

3:05 pm-11:44 pm

2 stops15h 39m

$516

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Sun 10/19

3:30 pm-5:50 pm

1 stop19h 20m

Václav Havel Prague

Tue 11/4

3:05 pm-1:55 pm

1 stop29h 50m

$532

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 10/28

1:35 pm-1:05 pm

2 stops17h 30m

Václav Havel Prague

Tue 11/4

11:50 am-3:29 pm

2 stops34h 39m

$534

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Tue 10/28

1:35 pm-1:05 pm

2 stops17h 30m

Václav Havel Prague

Tue 11/4

3:05 pm-1:55 pm

1 stop29h 50m

$547

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 10/30

12:31 pm-4:05 pm

2 stops21h 34m

Václav Havel Prague

Thu 11/6

7:35 am-3:29 pm

2 stops38h 54m

$584

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/15

3:30 pm-5:55 pm

1 stop19h 25m

Václav Havel Prague

Wed 10/22

6:00 am-3:44 pm

2 stops16h 44m

$586

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/15

3:30 pm-5:55 pm

1 stop19h 25m

Václav Havel Prague

Mon 10/20

6:40 pm-3:18 pm

2 stops51h 38m

$608

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Fri 10/17

8:42 am-11:00 pm

2 stops31h 18m

Václav Havel Prague

Sun 10/26

8:40 pm-11:49 pm

2 stops33h 09m

$778

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, March 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 $659. If you aren’t able to travel to Czech Republic during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $714.

What is the cheapest day to depart on your flight to Czech Republic?

The cheapest day to depart from St. Louis to Czech Republic is on a Thursday when prices can be found for as low as $983. The most expensive day to fly to Czech Republic is Sunday, with ticket prices averaging around $1,216.

What is the cheapest time of day to depart on your flight to Czech Republic?

In the morning is the cheapest time of day to fly from St. Louis to Czech Republic when you can find flight prices for as low as $1,013. Flying to Czech Republic in the morning is an ideal time because this is during off-peak travel hours. Flights to Czech Republic are more costly at noon, with an average ticket price of $1,216. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
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
British AirwaysPriceFrom $582Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
DeltaPriceFrom $657Free CancellationRating
7.9
7,954 reviews
Search Delta flights
LufthansaPriceFrom $683Free CancellationRating
6.8
7,407 reviews
Search Lufthansa flights
KLMPriceFrom $708Free CancellationRating
7.8
1,385 reviews
Search KLM flights
United AirlinesPriceFrom $723Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Air CanadaPriceFrom $745Free CancellationRating
7.1
10,000 reviews
Search Air Canada 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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