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Cheap flights from St. Louis to the Czech Republic from $352

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 8/10. 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

Scandinavian Airlines Logo
1:26 pm - 9:45 amSTL-PRG
37h 19m2 stops
Scandinavian Airlines Logo
10:25 am - 11:24 pmPRG-STL
19h 59m2 stops
$629Scandinavian Airlines
Find Deal
Fri, Sep 12 - Fri, Sep 19
British Airways Logo
8:04 pm - 11:05 pmSTL-PRG
20h 01m2 stops
British Airways Logo
8:10 am - 6:36 pmPRG-STL
17h 26m2 stops
$663British Airways
Find Deal
Wed, Oct 15 - Wed, Oct 22
Lufthansa Logo
3:30 pm - 9:40 amSTL-PRG
11h 10m1 stop
Lufthansa Logo
6:00 am - 1:30 pmPRG-STL
14h 30m1 stop
$669Lufthansa
Find Deal
Wed, Oct 15 - Wed, Oct 22
Lufthansa Logo
12:25 pm - 10:55 amSTL-PRG
15h 30m2 stops
Lufthansa Logo
6:00 am - 1:30 pmPRG-STL
14h 30m1 stop
$673Lufthansa
Find Deal
Wed, Oct 15 - Wed, Oct 22
Logo
3:30 pm - 9:40 amSTL-PRG
11h 10m1 stop
Logo
6:00 am - 3:18 pmPRG-STL
16h 18m2 stops
$674
Find Deal
Wed, Oct 15 - Wed, Oct 22
United Airlines Logo
12:25 pm - 2:05 pmSTL-PRG
18h 40m2 stops
United Airlines Logo
6:00 am - 1:30 pmPRG-STL
14h 30m1 stop
$675United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
United Airlines Logo
3:30 pm - 5:55 pmSTL-PRG
19h 25m1 stop
United Airlines Logo
6:00 am - 1:30 pmPRG-STL
14h 30m1 stop
$677United Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Logo
7:04 pm - 9:20 pmSTL-PRG
19h 16m2 stops
Logo
6:00 am - 7:57 pmPRG-STL
20h 57m2 stops
$714
Find Deal
Thu, Sep 11 - Thu, Sep 18
Brussels Airlines Logo
1:10 pm - 5:55 pmSTL-PRG
21h 45m3 stops
Brussels Airlines Logo
11:50 am - 6:59 pmPRG-STL
38h 09m2 stops
$1,304Brussels Airlines
Find Deal
Thu, Sep 11 - Thu, Sep 18
Brussels Airlines Logo
12:55 pm - 5:55 pmSTL-PRG
46h 00m3 stops
Brussels Airlines Logo
6:45 pm - 6:33 pmPRG-STL
30h 48m3 stops
$1,428Brussels Airlines
Find Deal
Fri, Dec 12 - Sun, Dec 28

Lufthansa flights from St. Louis to Czech Republic

Our best Lufthansa deals on St. Louis to Czech Republic flight tickets
Lufthansa
Oct 15
STL3:30 pmLambert-St Louis
11h 10m
1 stop
PRG9:40 amVáclav Havel Prague
Oct 22
PRG6:00 amVáclav Havel Prague
14h 30m
1 stop
STL1:30 pmLambert-St Louis
$669
Find similar
Lufthansa
Oct 15
STL12:25 pmLambert-St Louis
15h 30m
2 stops
PRG10:55 amVáclav Havel Prague
Oct 22
PRG6:00 amVáclav Havel Prague
14h 30m
1 stop
STL1:30 pmLambert-St Louis
$673
Find similar
Lufthansa
Oct 15
STL3:30 pmLambert-St Louis
11h 10m
1 stop
PRG9:40 amVáclav Havel Prague
Oct 22
PRG6:00 amVáclav Havel Prague
14h 30m
1 stop
STL1:30 pmLambert-St Louis
$696
Find similar

British Airways flights from St. Louis to Czech Republic

Our best British Airways deals on St. Louis to Czech Republic flight tickets
British Airways
Oct 15
STL8:04 pmLambert-St Louis
20h 01m
2 stops
PRG11:05 pmVáclav Havel Prague
Oct 22
PRG8:10 amVáclav Havel Prague
17h 26m
2 stops
STL6:36 pmLambert-St Louis
$663
Find similar
British Airways
Oct 15
STL8:04 pmLambert-St Louis
20h 01m
2 stops
PRG11:05 pmVáclav Havel Prague
Oct 22
PRG8:10 amVáclav Havel Prague
22h 08m
2 stops
STL11:18 pmLambert-St Louis
$664
Find similar
British Airways
Dec 12
STL6:29 pmLambert-St Louis
15h 26m
2 stops
PRG4:55 pmVáclav Havel Prague
Dec 19
PRG11:00 amVáclav Havel Prague
18h 02m
2 stops
STL10:02 pmLambert-St Louis
$694
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 July 30, 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

Fri 9/12

1:26 pm-9:45 am

2 stops37h 19m

Václav Havel Prague

Fri 9/19

10:25 am-11:24 pm

2 stops19h 59m

$629

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/15

8:04 pm-11:05 pm

2 stops20h 01m

Václav Havel Prague

Wed 10/22

8:10 am-6:36 pm

2 stops17h 26m

$663

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/15

3:30 pm-9:40 am

1 stop11h 10m

Václav Havel Prague

Wed 10/22

6:00 am-1:30 pm

1 stop14h 30m

$669

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/15

12:25 pm-10:55 am

2 stops15h 30m

Václav Havel Prague

Wed 10/22

6:00 am-1:30 pm

1 stop14h 30m

$673

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/15

3:30 pm-9:40 am

1 stop11h 10m

Václav Havel Prague

Wed 10/22

6:00 am-3:18 pm

2 stops16h 18m

$674

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/15

12:25 pm-2:05 pm

2 stops18h 40m

Václav Havel Prague

Wed 10/22

6:00 am-1:30 pm

1 stop14h 30m

$675

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-1:30 pm

1 stop14h 30m

$677

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 9/11

7:04 pm-9:20 pm

2 stops19h 16m

Václav Havel Prague

Thu 9/18

6:00 am-7:57 pm

2 stops20h 57m

$714

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Thu 9/11

1:10 pm-5:55 pm

3 stops21h 45m

Václav Havel Prague

Thu 9/18

11:50 am-6:59 pm

2 stops38h 09m

$1,304

St. LouisPrague

STL - PRG

STLPRG

Lambert-St Louis

Fri 12/12

12:55 pm-5:55 pm

3 stops46h 00m

Václav Havel Prague

Sun 12/28

6:45 pm-6:33 pm

3 stops30h 48m

$1,428

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

Best Price Found

$352

Fastest flight time

11h 10m

Direct flights

None

Airports in Czech Republic

1 airport
The best one-way flight to Czech Republic from St. Louis in the past 72 hours is $352. The best round-trip flight deal from St. Louis to Czech Republic found on momondo in the last 72 hours is $629.
The fastest flight from St. Louis to Czech Republic takes 11h 10m
There are no direct flights from St. Louis to Czech Republic. Popular non-direct route for this connection is Lambert-St Louis Airport - Václav Havel Prague Airport.
There is 1 airport near Czech Republic: Václav Havel Prague (PRG)
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
DeltaPriceFrom $642Free CancellationRating
8.0
7,980 reviews
Search Delta flights
LufthansaPriceFrom $683Free CancellationRating
6.8
7,269 reviews
Search Lufthansa flights
KLMPriceFrom $708Free CancellationRating
7.8
1,383 reviews
Search KLM flights
United AirlinesPriceFrom $723Free CancellationRating
7.4
8,896 reviews
Search United Airlines flights
Air CanadaPriceFrom $745Free CancellationRating
7.1
9,837 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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