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.
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)

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

July

Cheapest in

March

Average price

$935

Round-trip from

$729
High demand for flights, 28% potential price rise
Best time to find cheap flights, 27% potential price drop
Average for round-trip flights in May 2023
From Lambert-St Louis to Václav Havel Prague

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 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.

Fly from

Any airport

Fly to

Any airport

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

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

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

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

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

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

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

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

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

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

Entertainment

7.8

Overall

8.0

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

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

Entertainment

7.8

Overall

8.0

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

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

Entertainment

7.8

Overall

8.0

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

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

Entertainment

7.8

Overall

8.0

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

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

Entertainment

7.8

Overall

8.0

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

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

Entertainment

7.8

Overall

8.0

Crew

8.5

Food

7.2

Boarding

8.1

Comfort

7.9

Reviews

1 / 10

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

Related info for your journey

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

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
LufthansaCheapest$739Average$1,004FlexibilityNo cancel feeOn-time76%COVID-19 safety
Search Lufthansa flights
United AirlinesCheapest$751Average$983FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
KLMCheapest$762Average$1,497FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search KLM flights
Air CanadaCheapest$794Average$843FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
DeltaCheapest$832Average$1,579FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
British AirwaysCheapest$869Average$1,133FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search British Airways flights