What are the cheapest airlines flying from St. Louis to Prague round-trip?

According to our current data, KLM ($872), Undisclosed Carrier ($879), and Air Canada ($948) offers the cheapest pricing from St. Louis to Prague. KLM is priced at 13% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from St. Louis to Prague one-way?

For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $798. Users have also found prices from $1,069 and $1,176 on Undisclosed Carrier and KLM, respectively.

What are the most popular airlines that fly from St. Louis to Prague?

Before booking your flight from St. Louis to Prague check out the most popular airlines for this route: Air Canada, British Airways or Delta.

Can I find flights from St. Louis to Prague for under $900 on Cheapflights?

Yes, there are multiple flights from St. Louis to Prague for under $900. The cheapest flight booked recently is on KLM for just $872, but on average you can expect to pay $1,100.

Which airlines flying from Lambert-St Louis to Václav Havel Prague have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Lambert-St Louis to Václav Havel Prague that may be offering flexible cancellation policies are Lufthansa, United Airlines, and British Airways. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

What is the cheapest day to fly round-trip from St. Louis to Prague?

Leaving on a Tuesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 234% on the overall cost on flights from St. Louis to Prague.

How far in advance should I book a flight from St. Louis to Prague?

To save up to 85% on this flight, we recommend booking at least 59 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to Prague from $1,770 1-2 weeks out and tickets from $2,054 for flights departing within the next 72 hours.

What is the cheapest month to fly from St. Louis to Prague?

Flights from St. Louis to Prague lean towards being more expensive in July. Prices are generally better when you fly from St. Louis to Prague in March, with the cheapest ticket starting at $568.

When is the cheapest time to fly from St. Louis to Prague (STL - PRG)?

One of the essential ways to save on airfare from St. Louis to Prague is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 39% on airfare.

What does STL to PRG mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Václav Havel Prague Airport flight would often be abbreviated as a STL to PRG flight.

Flights from St. Louis, MO to Prague, the Czech Republic from $620

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STL — PRG

May 30 — Jun 61

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The best prices from Lambert-St Louis to Václav Havel Prague are usually found in March or February, booked 59 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

How to find the cheapest flight from St. Louis (STL) to Prague (PRG)

Popular in	July
Cheapest in	March
Average price	$935
Round-trip from	$729

High demand for flights, 28% potential price rise

Search Deals

Best time to find cheap flights, 27% potential price drop

Search Deals

Average for round-trip flights in May 2023

Search Deals

From Lambert-St Louis to Václav Havel Prague

Search Deals

STL - PRG Price	$729 - $1,397
PRG Temperature	30.2 - 62.6 °F
PRG Rainfall	0.4 - 2.4 inches

STL - PRG

Price

$729 - $1,397

PRG

Temperature

30.2 - 62.6 °F

PRG

Rainfall

0.4 - 2.4 inches

Cheap flights from St. Louis to Prague in May, June 2023

The lowest fares we've come across on flights traveling from St. Louis to Prague in May and June 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Jun 16 - Jun 30

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

22h 05m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

41h 04m

$1,685

British Airways

Deal found 5/25

Jun 6 - Jul 12

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

27h 10m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

16h 26m

$2,108

Multiple Airlines

Deal found 5/24

Jun 15 - Jun 30

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

22h 05m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

17h 22m

$2,237

Undisclosed Carrier

Deal found 5/25

Jun 6 - Jul 11

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

14h 20m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

16h 31m

$2,257

Undisclosed Carrier

Deal found 5/24

Jun 6 - Jul 12

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

15h 50m

PRG

Václav Havel Prague

STL

Lambert-St Louis

1 stop

14h 25m

$2,269

United Airlines

Deal found 5/24

Jun 6 - Jul 12

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

36h 24m

PRG

Václav Havel Prague

STL

Lambert-St Louis

1 stop

14h 25m

$2,282

Lufthansa

Deal found 5/25

Jun 6 - Jul 11

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

15h 45m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

17h 51m

$2,312

Undisclosed Carrier

Deal found 5/25

May 25 - Jun 1

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

19h 20m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

15h 12m

$2,323

Undisclosed Carrier

Deal found 5/24

Jun 16 - Jun 30

STL

Lambert-St Louis

PRG

Václav Havel Prague

1 stop

14h 40m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

41h 23m

$2,458

Lufthansa

Deal found 5/25

St. Louis to Prague 2023 flight deals

The lowest fares we've come across on flights traveling from St. Louis to Prague in May and June 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Sep 24 - Oct 1

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

16h 35m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

25h 43m

$872

KLM

Deal found 5/24

Sep 24 - Sep 30

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

17h 08m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

18h 20m

$879

Undisclosed Carrier

Deal found 5/24

Oct 13 - Oct 21

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

20h 15m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

34h 01m

$947

Multiple Airlines

Deal found 5/25

Oct 13 - Oct 21

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

39h 20m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

34h 01m

$948

Air Canada

Deal found 5/25

Oct 14 - Oct 21

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

18h 05m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

17h 51m

$955

Air Canada

Deal found 5/25

Oct 12 - Oct 21

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

20h 30m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

25h 48m

$967

KLM

Deal found 5/25

Sep 1 - Dec 14

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

19h 20m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

20h 35m

$1,025

Undisclosed Carrier

Deal found 5/24

Sep 1 - Dec 15

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

14h 20m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

18h 52m

$1,031

United Airlines

Deal found 5/25

Oct 13 - Oct 21

STL

Lambert-St Louis

PRG

Václav Havel Prague

1 stop

10h 50m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

17h 51m

$1,053

Multiple Airlines

Deal found 5/25

Cheap KLM flights from St. Louis to Prague

Check out some of the cheapest KLM flights we've come across from St. Louis to Prague. It's recommended that users confirm their flight details before booking.

Sep 24 - Oct 1

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

16h 35m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

25h 43m

$872

KLM

Deal found 5/24

Oct 12 - Oct 21

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

20h 30m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

25h 48m

$967

KLM

Deal found 5/25

Cheap Undisclosed Carrier flights from St. Louis to Prague

Have a look at some of the cheapest available Undisclosed Carrier flights departing from St. Louis and landing in Prague. Make sure to examine the flight information before completing your reservation.

Sep 24 - Sep 30

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

17h 08m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

18h 20m

$879

Undisclosed Carrier

Deal found 5/24

Sep 1 - Dec 14

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

19h 20m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

20h 35m

$1,025

Undisclosed Carrier

Deal found 5/24

Aug 1 - Aug 7

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

15h 50m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

17h 51m

$1,250

Undisclosed Carrier

Deal found 5/24

Aug 25 - Sep 2

STL

Lambert-St Louis

PRG

Václav Havel Prague

1 stop

12h 20m

PRG

Václav Havel Prague

STL

Lambert-St Louis

1 stop

14h 25m

$1,274

Undisclosed Carrier

Deal found 5/24

Aug 1 - Aug 8

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

16h 16m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

18h 37m

$1,276

Undisclosed Carrier

Deal found 5/24

Aug 25 - Sep 2

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

15h 54m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

17h 51m

$1,291

Undisclosed Carrier

Deal found 5/24

Aug 1 - Aug 8

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

16h 16m

PRG

Václav Havel Prague

STL

Lambert-St Louis

2 stops

18h 37m

$1,296

Undisclosed Carrier

Deal found 5/25

Sep 1 - Dec 14

STL

Lambert-St Louis

PRG

Václav Havel Prague

1 stop

12h 20m

PRG

Václav Havel Prague

STL

Lambert-St Louis

1 stop

13h 20m

$1,308

Undisclosed Carrier

Deal found 5/24

Sep 24 - Sep 30

STL

Lambert-St Louis

PRG

Václav Havel Prague

1 stop

12h 20m

PRG

Václav Havel Prague

STL

Lambert-St Louis

1 stop

14h 25m

$1,511

Undisclosed Carrier

Deal found 5/24

One-way flights to Prague from St. Louis

Take a look at some of the best available options we've come across on one-way flights from St. Louis to Prague. Users can also find round-trip St. Louis to Prague flights by using the search form above.

Jul 8

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

24h 10m

$620

Multiple Airlines

Deal found 5/24

Sep 30

STL

Lambert-St Louis

PRG

Václav Havel Prague

3 stops

30h 15m

$748

Multiple Airlines

Deal found 5/24

Oct 2

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

37h 10m

$798

Air Canada

Deal found 5/24

Jul 8

STL

Lambert-St Louis

PRG

Václav Havel Prague

3 stops

36h 40m

$805

Multiple Airlines

Deal found 5/24

Sep 30

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

33h 40m

$809

Air Canada

Deal found 5/24

Jul 9

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

18h 35m

$1,069

Undisclosed Carrier

Deal found 5/24

Jul 5

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

15h 12m

$1,176

KLM

Deal found 5/24

Jul 6

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

15h 12m

$1,226

KLM

Deal found 5/24

Jun 30

STL

Lambert-St Louis

PRG

Václav Havel Prague

2 stops

18h 29m

$1,251

Undisclosed Carrier

Deal found 5/24

Find flights from St. Louis to Prague within your budget

Fly from

Fly to

Budget

$872 - $1,685

Route

Depart

Return

Price

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Sun 9/24

2 stops16h 35m

Václav Havel Prague

Sun 10/1

2 stops25h 43m

$872

Pick Dates

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Sun 9/24

2 stops17h 08m

Václav Havel Prague

Sat 9/30

2 stops18h 20m

$879

Pick Dates

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Fri 10/13

2 stops20h 15m

Václav Havel Prague

Sat 10/21

2 stops34h 01m

$947

Pick Dates

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Fri 10/13

2 stops39h 20m

Václav Havel Prague

Sat 10/21

2 stops34h 01m

$948

Pick Dates

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Sat 10/14

2 stops18h 05m

Václav Havel Prague

Sat 10/21

2 stops17h 51m

$955

Pick Dates

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Fri 9/1

2 stops14h 20m

Václav Havel Prague

Fri 12/15

2 stops18h 52m

$1,031

Pick Dates

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Sun 9/24

2 stops15h 59m

Václav Havel Prague

Sun 10/1

1 stop14h 25m

$1,169

Pick Dates

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Wed 7/19

2 stops14h 07m

Václav Havel Prague

Wed 8/9

2 stops24h 53m

$1,209

Pick Dates

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Fri 6/16

2 stops22h 05m

Václav Havel Prague

Fri 6/30

2 stops41h 04m

$1,685

Pick Dates

Flights are sorted by cheapest first

Deals found on 5/24

Reviews of Airlines Servicing Prague

To help decide which airline to fly from St. Louis to Prague, see what other customers have to say about KLM, Undisclosed Carrier and Lufthansa. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

2,342 reviews

Check prices

Reviews

1 / 10

Not one mishap. Surprisingly stress free especially compared how the awfulness of air travel rrce

Delta

8.0

Very good

2,342 reviews

Delta

8.0

Very good

2,342 reviews

Check prices

Reviews

1 / 10

Not one mishap. Surprisingly stress free especially compared how the awfulness of air travel rrce

United Airlines

7.6

Good

1,488 reviews

Delta

8.0

Very good

2,342 reviews

Check prices

Reviews

1 / 10

Not one mishap. Surprisingly stress free especially compared how the awfulness of air travel rrce

KLM

7.6

Good

159 reviews

Delta

8.0

Very good

2,342 reviews

Check prices

Reviews

1 / 10

Not one mishap. Surprisingly stress free especially compared how the awfulness of air travel rrce

American Airlines

7.4

Good

2,147 reviews

Delta

8.0

Very good

2,342 reviews

Check prices

Reviews

1 / 10

Not one mishap. Surprisingly stress free especially compared how the awfulness of air travel rrce

Scandinavian Airlines

7.2

Good

140 reviews

Delta

8.0

Very good

2,342 reviews

Check prices

Reviews

1 / 10

Not one mishap. Surprisingly stress free especially compared how the awfulness of air travel rrce

Related info for your journey

Top 6 airlines flying from St. Louis to Prague

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Lufthansa	Cheapest$739	Average$1,004	FlexibilityNo cancel fee	On-time76%	COVID-19 safety	Search Lufthansa flights
United Airlines	Cheapest$751	Average$983	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
KLM	Cheapest$762	Average$1,497	FlexibilityNo cancel fee	On-time75%	COVID-19 safety	Search KLM flights
Air Canada	Cheapest$794	Average$843	FlexibilityNo cancel fee	On-time67%	COVID-19 safety	Search Air Canada flights
Delta	Cheapest$832	Average$1,579	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
British Airways	Cheapest$869	Average$1,133	FlexibilityNo cancel fee	On-time70%	COVID-19 safety	Search British Airways flights

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Cheap flights from St. Louis (STL) to Prague (PRG) from $620

This is the cheapest one-way flight price, found on 5/24. Prices may vary by date and flight preferences.

100% Free

Book with Flexibility

Travel Smart

The best prices from Lambert-St Louis to Václav Havel Prague are usually found in March or February, booked 59 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

How to find the cheapest flight from St. Louis (STL) to Prague (PRG)

All the information you need to plan the best STL to PRG flight in 2023: compare St. Louis to Prague flight prices with the expected peak season, weather and rainfall in Prague.

Popular in

Cheapest in

Average price

Round-trip from

What is the cheapest day to fly round-trip from St. Louis to Prague?

How far in advance should I book a flight from St. Louis to Prague?

What is the cheapest month to fly from St. Louis to Prague?

When is the cheapest time to fly from St. Louis to Prague (STL - PRG)?

Cheap flights from St. Louis to Prague in May, June 2023

The best prices found for STL to PRG flights for May, June

The lowest fares we've come across on flights traveling from St. Louis to Prague in May and June 2023. If these deals don't appeal to you, be sure to come back soon for more options.

St. Louis to Prague 2023 flight deals

Cheap flights to Prague from St. Louis found for this year

The lowest fares we've come across on flights traveling from St. Louis to Prague in May and June 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Cheap KLM flights from St. Louis to Prague

Check out some of the cheapest KLM flights we've come across from St. Louis to Prague. It's recommended that users confirm their flight details before booking.

Cheap Undisclosed Carrier flights from St. Louis to Prague

Have a look at some of the cheapest available Undisclosed Carrier flights departing from St. Louis and landing in Prague. Make sure to examine the flight information before completing your reservation.

One-way flights to Prague from St. Louis

The cheapest one-way flights from St. Louis to Prague

Take a look at some of the best available options we've come across on one-way flights from St. Louis to Prague. Users can also find round-trip St. Louis to Prague flights by using the search form above.

Find flights from St. Louis to Prague within your budget

Use the slider to find flights from St. Louis to Prague that fit your budget.

Reviews of Airlines Servicing Prague

To help decide which airline to fly from St. Louis to Prague, see what other customers have to say about KLM, Undisclosed Carrier and Lufthansa. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Useful info, stats and facts about St. Louis to Prague flights.

Which airlines flying from Lambert-St Louis to Václav Havel Prague have flexible cancellations due to COVID-19?

Can I find flights from St. Louis to Prague for under $900 on Cheapflights?

What are the cheapest airlines flying from St. Louis to Prague round-trip?

What are the cheapest airlines to fly from St. Louis to Prague one-way?

What are the most popular airlines that fly from St. Louis to Prague?

What does STL to PRG mean?

Other flights from St. Louis

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Top 6 airlines flying from St. Louis to Prague

The chart below displays the airlines Cheapflights users traveling from St. Louis to Prague choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Popular flight searches

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