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Cheap flights from St. Louis (STL) to Prague (PRG) from $779

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — PRG
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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The best prices from Lambert-St Louis to Václav Havel Prague are usually found in November or February, booked 68 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from St. Louis to Prague

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Prague (PRG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 28, 2024.

Popular in

July

Cheapest in

November

Average price

$951

Round-trip from

$650
High demand for flights, 34% potential price rise
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Best time to find cheap flights, 31% potential price drop
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Average for round-trip flights in April 2024
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From Lambert-St Louis to Václav Havel Prague
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What is the cheapest day to fly round-trip from St. Louis to Prague?

Leaving on a Monday 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 57% 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 203% on this flight, we recommend booking at least 28 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 $1,602 1-2 weeks out and tickets from $2,121 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 November, with the cheapest ticket starting at $619.

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 afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 10% on airfare.

Cheap Delta flights from St. Louis to Prague

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Prague. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
Check out some of the cheapest Delta flights we've come across from St. Louis to Prague. It's recommended that users confirm their flight details before booking.
Wed 8/1410:00 amSTL - PRG
2 stops17h 55mDelta
Wed 8/2112:40 pmPRG - STL
2 stops27h 12mDelta
Deal found 4/27$831
Thu 7/410:05 amSTL - PRG
2 stops17h 50mDelta
Thu 8/2912:40 pmPRG - STL
2 stops27h 12mDelta
Deal found 4/27$1,052
Tue 7/93:43 pmSTL - PRG
2 stops19h 02mDelta
Wed 8/76:05 amPRG - STL
2 stops21h 27mDelta
Deal found 4/27$1,055
Fri 7/195:25 pmSTL - PRG
2 stops17h 20mDelta
Fri 7/266:05 amPRG - STL
2 stops21h 31mDelta
Deal found 4/26$1,105
Sun 6/23:05 pmSTL - PRG
2 stops16h 05mDelta
Fri 6/2112:55 pmPRG - STL
2 stops27h 20mDelta
Deal found 4/27$1,188
Mon 6/36:12 pmSTL - PRG
2 stops16h 33mDelta
Thu 6/2012:55 pmPRG - STL
2 stops27h 20mDelta
Deal found 4/27$1,201
Wed 6/55:37 pmSTL - PRG
2 stops13h 33mDelta
Wed 6/197:05 amPRG - STL
2 stops17h 15mDelta
Deal found 4/27$1,210
Tue 6/43:05 pmSTL - PRG
2 stops16h 05mDelta
Thu 6/2012:35 pmPRG - STL
2 stops18h 08mDelta
Deal found 4/27$1,211
Wed 6/53:05 pmSTL - PRG
2 stops16h 05mDelta
Sat 6/228:50 amPRG - STL
2 stops19h 27mDelta
Deal found 4/27$1,263

Cheap British Airways flights from St. Louis to Prague

Explore cheap flight options specifically provided by British Airways for the route between St. Louis and Prague. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
Have a look at some of the cheapest available British Airways flights departing from St. Louis and landing in Prague. Make sure to examine the flight information before completing your reservation.
Wed 10/92:05 pmSTL - PRG
2 stops22h 25mBritish Airways
Wed 10/236:40 amPRG - STL
2 stops22h 44mBritish Airways
Deal found 4/27$871
Tue 7/96:13 pmSTL - PRG
2 stops22h 22mBritish Airways
Wed 8/76:40 amPRG - STL
2 stops22h 44mBritish Airways
Deal found 4/26$1,041
Fri 9/2012:10 pmSTL - PRG
2 stops27h 50mBritish Airways
Mon 9/238:45 pmPRG - STL
2 stops25h 47mBritish Airways
Deal found 4/26$1,101
Thu 7/116:04 amSTL - PRG
2 stops31h 26mBritish Airways
Sat 7/202:00 pmPRG - STL
2 stops34h 21mBritish Airways
Deal found 4/26$1,141
Wed 5/295:08 pmSTL - PRG
2 stops16h 52mBritish Airways
Thu 6/207:05 amPRG - STL
2 stops17h 13mBritish Airways
Deal found 4/27$1,183
Sat 6/17:20 pmSTL - PRG
2 stops45h 05mBritish Airways
Tue 6/1810:25 amPRG - STL
2 stops17h 31mBritish Airways
Deal found 4/27$1,190
Wed 5/295:08 pmSTL - PRG
2 stops16h 52mBritish Airways
Mon 6/177:15 amPRG - STL
2 stops17h 03mBritish Airways
Deal found 4/27$1,233
Thu 6/206:08 pmSTL - PRG
2 stops15h 52mBritish Airways
Sun 6/303:00 pmPRG - STL
2 stops33h 18mBritish Airways
Deal found 4/27$1,311
Fri 5/3111:40 amSTL - PRG
2 stops18h 30mBritish Airways
Thu 6/207:05 amPRG - STL
2 stops17h 13mBritish Airways
Deal found 4/27$1,423

Cheap St. Louis to Prague flights in April & May 2024

Find cheap flight options from St. Louis to Prague specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 28, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Prague in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 5/295:08 pmSTL - PRG
2 stops16h 52mBritish Airways
Thu 6/207:05 amPRG - STL
2 stops17h 13mBritish Airways
Deal found 4/27$1,183
Wed 5/295:08 pmSTL - PRG
2 stops16h 52mBritish Airways
Mon 6/177:15 amPRG - STL
2 stops17h 03mBritish Airways
Deal found 4/27$1,233
Thu 5/304:05 pmSTL - PRG
2 stops15h 00mMultiple Airlines
Thu 6/206:00 amPRG - STL
2 stops22h 05mMultiple Airlines
Deal found 4/27$1,414
Fri 5/315:37 pmSTL - PRG
2 stops17h 08mDelta
Wed 6/1912:55 pmPRG - STL
2 stops27h 20mDelta
Deal found 4/27$1,416
Thu 5/304:05 pmSTL - PRG
2 stops15h 00mMultiple Airlines
Wed 6/196:50 amPRG - STL
2 stops15h 31mMultiple Airlines
Deal found 4/27$1,421
Fri 5/3111:40 amSTL - PRG
2 stops18h 30mBritish Airways
Thu 6/207:05 amPRG - STL
2 stops17h 13mBritish Airways
Deal found 4/27$1,423
Wed 5/294:05 pmSTL - PRG
2 stops14h 15mAir Canada
Sun 6/236:20 amPRG - STL
2 stops20h 41mAir Canada
Deal found 4/27$1,431
Thu 5/304:05 pmSTL - PRG
2 stops15h 00mMultiple Airlines
Mon 6/176:40 amPRG - STL
2 stops21h 25mMultiple Airlines
Deal found 4/27$1,458
Thu 5/304:05 pmSTL - PRG
2 stops15h 00mMultiple Airlines
Tue 6/186:00 amPRG - STL
2 stops16h 21mMultiple Airlines
Deal found 4/27$1,470

St. Louis to Prague 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Prague in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
The lowest fares we've come across on flights traveling from St. Louis to Prague in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 8/1410:00 amSTL - PRG
2 stops17h 55mDelta
Wed 8/2112:40 pmPRG - STL
2 stops27h 12mDelta
Deal found 4/27$831
Wed 10/92:05 pmSTL - PRG
2 stops22h 25mBritish Airways
Wed 10/236:40 amPRG - STL
2 stops22h 44mBritish Airways
Deal found 4/27$871
Wed 8/143:25 pmSTL - PRG
1 stop11h 20mMultiple Airlines
Wed 8/216:00 amPRG - STL
2 stops16h 21mMultiple Airlines
Deal found 4/27$966
Wed 10/93:25 pmSTL - PRG
1 stop14h 55mUnited Airlines
Wed 10/238:45 amPRG - STL
2 stops20h 30mUnited Airlines
Deal found 4/27$1,007
Thu 7/410:05 amSTL - PRG
2 stops17h 50mDelta
Thu 8/2912:40 pmPRG - STL
2 stops27h 12mDelta
Deal found 4/27$1,052
Tue 7/93:43 pmSTL - PRG
2 stops19h 02mDelta
Wed 8/76:05 amPRG - STL
2 stops21h 27mDelta
Deal found 4/27$1,055
Fri 9/206:21 pmSTL - PRG
2 stops21h 39mBritish Airways
Mon 9/238:45 pmPRG - STL
2 stops32h 39mBritish Airways
Deal found 4/27$1,101
Fri 7/197:06 pmSTL - PRG
2 stops16h 44mDelta
Fri 7/266:05 amPRG - STL
2 stops21h 31mDelta
Deal found 4/27$1,105
Tue 7/94:05 pmSTL - PRG
2 stops42h 45mAir Canada
Thu 8/86:00 amPRG - STL
2 stops21h 01mAir Canada
Deal found 4/27$1,123

One-way flights to Prague from St. Louis

Search for one-way flight options from St. Louis to Prague. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
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.
Sat 9/216:58 pmSTL - PRG
2 stops33h 12mAmerican Airlines
Deal found 4/26$779
Sat 9/215:20 pmSTL - PRG
3 stops41h 35mUnited Airlines
Deal found 4/26$809

Find flights from St. Louis to Prague within your budget

Customize your flight search to find flights from St. Louis to Prague 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, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$831 - $1,275

Route

Depart

Return

Price

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Wed 8/14

2 stops17h 55m

Václav Havel Prague

Wed 8/21

2 stops27h 12m

$831

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/9

2 stops22h 25m

Václav Havel Prague

Wed 10/23

2 stops22h 44m

$871

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Wed 8/14

1 stop11h 20m

Václav Havel Prague

Wed 8/21

2 stops16h 21m

$966

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Wed 10/9

1 stop14h 55m

Václav Havel Prague

Wed 10/23

2 stops20h 30m

$1,007

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Tue 7/9

2 stops22h 22m

Václav Havel Prague

Wed 8/7

2 stops22h 44m

$1,041

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Thu 7/4

2 stops17h 50m

Václav Havel Prague

Thu 8/29

2 stops27h 12m

$1,052

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Tue 7/9

2 stops42h 45m

Václav Havel Prague

Thu 8/8

2 stops21h 01m

$1,123

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Fri 9/20

1 stop19h 25m

Václav Havel Prague

Mon 9/23

2 stops34h 54m

$1,166

Lambert-St LouisVáclav Havel Prague

STL - PRG

STLPRG

Lambert-St Louis

Tue 6/4

2 stops16h 15m

Václav Havel Prague

Sat 6/22

2 stops19h 27m

$1,275

Flights are sorted by cheapest first

Deals found on 4/27

When is the best time to book a flight from St. Louis to Prague?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Prague. Price data was last updated on January 28, 2024.
Booking 68 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Prague. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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When is the cheapest time to fly from St. Louis to Prague?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Prague. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Prague flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Prague by month

Plan your trip from St. Louis to Prague by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Prague is currently $794 while a round-trip flight costs $1,037. Price data was last updated on April 21, 2024.

Currently, November is the cheapest month in which you can book a flight from St. Louis to Prague (average of $650). Flying from St. Louis to Prague in June is currently the most expensive (average of $1,478). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$749

February

$722

March

$776

April

$801

May

$888

June

$1,478

July

$1,244

August

$1,037

September

$935

October

$818

November

$650

December

$659

Temperature and rainfall in Prague by month

Plan your trip to Prague by taking into account the average temperature and rainfall totals by month.

PRG

Temperature

30.2 - 62.6 °F

Reviews of airlines servicing Prague

Get insights into the airlines that provide service to Prague. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Prague. Reviews last updated April 28, 2024.
To help decide which airline to fly from St. Louis to Prague, see what other customers have to say about Delta, British Airways and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,951 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

KLM
7.9
Good
1,623 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,228 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,875 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Air Canada
7.0
Good
6,868 reviews
Delta
8.1
Very good
10,951 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Prague. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 Delta for just $831, but on average you can expect to pay $1,094.

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

    According to our current data, Delta ($831), British Airways ($871), and United Airlines ($1,007) offers the cheapest pricing from St. Louis to Prague. Delta is priced at 23% lower than the current average price of a flight leaving 3 months from now.

  • 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: American Airlines, Air Canada or Air France.

  • 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.

  • Can I find deals for flights from St. Louis to Prague that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Prague flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Prague with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Prague flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Prague that include hotel bookings?

    Yes. In addition to deals on St. Louis to Prague flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Prague?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Prague.

  • Can I find deals for business class flights from St. Louis to Prague?

    Yes. Cheapflights offers flight deals from St. Louis to Prague by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Prague that allow pets onboard?

    Many airlines flying from St. Louis to Prague offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Prague?

    Yes, you can often find last-minute deals on St. Louis to Prague flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Prague flight deals updated?

    The St. Louis to Prague flight deals you see on this page were last updated on 4/27.

See more FAQs

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Alternative routes for St. Louis to Prague
See prices for flight routes from nearby airports that may be better suited for you.

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Top 8 airlines flying from St. Louis to Prague

Discover the top 8 airlines that operate flights from St. Louis to Prague. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,991,349 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$531Average$762FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest$617Average$1,274FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest$711Average$1,194FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
American AirlinesCheapest$714Average$1,123FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
KLMCheapest$718Average$867FlexibilityNo cancel feeOn-time75%
Search KLM flights
DeltaCheapest$725Average$1,075FlexibilityNo cancel feeOn-timeN/A
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United AirlinesCheapest$759Average$1,147FlexibilityNo cancel feeOn-time69%
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Air CanadaCheapest$980Average$1,498FlexibilityNo cancel feeOn-time67%
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Search flights from St. Louis to Prague by cabin class

Find flights from St. Louis to Prague, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Prague?

Deals for St. Louis to Prague flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Prague?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Prague.

Can Cheapflights find flights from St. Louis to Prague with no change fees?

Yes, we can. To see specific flights from St. Louis to Prague with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from St. Louis to Prague become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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