STL - PRG

$400 Find Cheap Flights from St. Louis to Prague - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$800
Typical prices: $728-$1,074
Scandinavian Airlines
Sun 11/18Sun 12/2
STL - PRG • 2 stops
Cheapest one-way
$400
Typical prices: $489-$647
Multiple Airlines
Sun 12/2
STL - PRG • 3 stops
Nonstop flights
There are currently no direct flights between St. Louis and Prague. You'll need to take a connecting flight to reach the destination.
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When to travel
Cheapest • 30% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $714 (round-trip)
Shortest trip • 13h 32m (one-way)
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Flight Deals

Cheap Flights from St. Louis to Prague (STL-PRG)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from St. Louis to Prague

Wed, Nov 18 - Wed, Dec 2
Scandinavian Airlines Logo
12:29 pm - 2:30 pmSTL  Lambert-St Louis-PRG Václav Havel Prague
19h 01m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen
Scandinavian Airlines Logo
10:25 am - 12:05 amPRG  Václav Havel Prague-STL Lambert-St Louis
20h 40m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson
$800Scandinavian Airlines
Thu, Apr 1 - Thu, Apr 15
British Airways Logo
9:25 pm - 11:20 pmSTL  Lambert-St Louis-PRG Václav Havel Prague
18h 55m1 stop London Heathrow
British Airways Logo
9:35 pm - 7:30 pmPRG  Václav Havel Prague-STL Lambert-St Louis
28h 55m1 stop London Heathrow
$812British Airways
Thu, Apr 1 - Thu, Apr 15
Multiple Airlines Logo
9:25 pm - 11:20 pmSTL  Lambert-St Louis-PRG Václav Havel Prague
18h 55m1 stop London Heathrow
Multiple Airlines Logo
11:35 am - 10:17 pmPRG  Václav Havel Prague-STL Lambert-St Louis
17h 42m2 stops Helsinki-Vantaa Chicago O'Hare Intl
$812Multiple Airlines
Thu, Apr 1 - Thu, Apr 15
Delta Logo
5:45 pm - 7:35 pmSTL  Lambert-St Louis-PRG Václav Havel Prague
18h 50m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
11:00 am - 8:12 amPRG  Václav Havel Prague-STL Lambert-St Louis
28h 12m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson
$818Delta
Thu, Apr 1 - Thu, Apr 15
Delta Logo
2:18 pm - 3:00 pmSTL  Lambert-St Louis-PRG Václav Havel Prague
17h 42m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
11:00 am - 8:37 pmPRG  Václav Havel Prague-STL Lambert-St Louis
16h 37m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County
$818Delta
Wed, Dec 2 - Fri, Dec 11
United Airlines Logo
8:30 am - 1:55 pmSTL  Lambert-St Louis-PRG Václav Havel Prague
22h 25m2 stops Washington, D.C. Dulles Intl Zurich
United Airlines Logo
7:05 am - 1:45 pmPRG  Václav Havel Prague-STL Lambert-St Louis
13h 40m1 stop Frankfurt am Main
$831United Airlines
Wed, Dec 2 - Fri, Dec 11
United Airlines Logo
8:30 am - 1:55 pmSTL  Lambert-St Louis-PRG Václav Havel Prague
22h 25m2 stops Washington, D.C. Dulles Intl Zurich
United Airlines Logo
2:50 pm - 3:26 pmPRG  Václav Havel Prague-STL Lambert-St Louis
31h 36m2 stops Frankfurt am Main Toronto Pearson Intl
$839United Airlines
Wed, Oct 28 - Mon, Nov 2
Lufthansa Logo
4:40 pm - 9:40 amSTL  Lambert-St Louis-PRG Václav Havel Prague
11h 00m1 stop Frankfurt am Main
Lufthansa Logo
7:05 am - 9:40 pmPRG  Václav Havel Prague-STL Lambert-St Louis
21h 35m2 stops Frankfurt am Main Chicago O'Hare Intl
$890Lufthansa
Wed, Nov 18 - Wed, Dec 2
Lufthansa Logo
3:40 pm - 2:00 pmSTL  Lambert-St Louis-PRG Václav Havel Prague
15h 20m1 stop Frankfurt am Main
Lufthansa Logo
7:05 am - 1:45 pmPRG  Václav Havel Prague-STL Lambert-St Louis
13h 40m1 stop Frankfurt am Main
$894Lufthansa
Fri, Dec 25 - Fri, Jan 1
Delta Logo
6:00 am - 9:05 amSTL  Lambert-St Louis-PRG Václav Havel Prague
20h 05m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle
Delta Logo
6:30 am - 6:29 pmPRG  Václav Havel Prague-STL Lambert-St Louis
18h 59m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson
$1,297Delta
Booking Insights

Price, demand and travel trends for St. Louis to Prague flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from St. Louis to Prague?

Round-trip flights from St. Louis to Prague typically range from $728 to $1,074. The lowest price found in the past 5 days was $800, on Scandinavian Airlines.

What's the cheapest day of the week to fly from St. Louis to Prague?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from St. Louis to Prague. It’s 18% cheaper than the average day, while Monday is the most expensive, with prices 27% higher.

Key details for St. Louis to Prague flights

Low season

January

Cheapest flight

$400
One-way flight from St. Louis to Prague

When to book flights from St. Louis to Prague

Are your dates flexible? Find out the best times to travel from St. Louis to Prague based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your St. Louis to Prague flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from St. Louis to Prague?

    Three cabin classes are available on flights from St. Louis to Prague:

    • Economy Class
    • Premium Economy Class
    • Business Class

  • How long is a flight from St. Louis to Prague?

    A nonstop flight from St. Louis to Prague takes 00m, covering 4,783 miles.

  • Do I need a passport to fly from St. Louis to Prague?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a St. Louis to Prague flight?

    Round-trip flights from St. Louis to Prague range from $728 to $1,074, with an average of $937 over the past 12 months. Anything below $728 counts as a good deal.

  • How are flight prices from St. Louis to Prague looking right now?

    One-way fares from St. Louis to Prague are currently lower than usual. Average one-way flight prices are about $514, which is 5% below the typical average for this route.

  • What car rental options are available at Václav Havel Prague Airport (PRG)?

    Václav Havel Prague Airport (PRG) hosts 5 major car rental companies, with daily rates starting from around $8 for economy cars. Top options include:

    • Rent Plus
    • NU Car
    • Alamo
    • Budget
    • CarWiz

  • Which airports can I use when flying from St. Louis to Prague?

    Flights from St. Louis to Prague usually depart from Lambert-St Louis (STL) and arrive at Václav Havel Prague (PRG).

  • Which airports do connecting flights from St. Louis to Prague pass through?

    One-stop flights from St. Louis to Prague most commonly connect through:

    • Frankfurt am Main (FRA) - 66% of one-stop connections
    • Philadelphia (PHL) - 16% of one-stop connections
    • Toronto Pearson Intl (YYZ) - 10% of one-stop connections
    • London Heathrow (LHR) - 8% of one-stop connections

  • Can I save money by using flexible dates for flights from St. Louis to Prague?

    Yes. Flexible dates can save you up to 36% on flights from St. Louis to Prague. Thursday is the cheapest departure day at $771 round-trip on average, while Monday is the most expensive at $1,193, a difference of $422.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from St. Louis to Prague?

    Flying via Frankfurt am Main (FRA) gives the shortest average 1-stop total travel time at 13h 32m, compared with 14h 04m via Toronto Pearson Intl (YYZ) and 14h 06m via Philadelphia (PHL).

  • What is the time difference between St. Louis and Prague?

    Prague is 7 hours ahead of St. Louis (Central European Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Prague?

    Some of the most popular sights in Prague are Pražský orloj, Charles Bridge and O2 Arena. These are among the most viewed places in Prague on KAYAK.

Your guide to booking St. Louis to Prague flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $771, about $422 less than Monday fares (35% savings) based on the last 12 months.
  • If you can choose when to travel, plan your St. Louis to Prague trip for February. Fares historically average $655 round-trip in that month - typically $538 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Václav Havel Prague Airport.

    • Courtyard by Marriott Prague Airport
    • Ramada by Wyndham Airport Prague
    • Holiday Inn Prague Airport By IHG

More options for your flight from St. Louis to Prague

Complete your trip to Prague with a hotel stay or car rental