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

According to our current data, Air Canada ($873), Lufthansa ($878), and United Airlines ($1,018) offers the cheapest pricing from Prague to St. Louis.

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

One-way options have recently been found by users for as low as $695 on Lufthansa. Other airlines that offer cheap prices include American Airlines from $762 and British Airways from $778 one-way.

What is the cheapest month to book a flight from Prague to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Prague to St. Louis (average of $311). Flying from Prague to St. Louis in March is currently the most expensive (average of $356). 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.

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

Travelers seeking maximum savings on their Prague to St. Louis flight should consider departing on Monday mornings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Users have found that flying from Prague to St. Louis on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest time of day to fly from PRG to STL?

A simple way to save on the total cost of your ticket is to fly from Prague to St. Louis in the morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.

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

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

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

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

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

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

$518+ Flights from Prague to St. Louis

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Cheap flight deals from Prague to St. Louis

Round-trip from	$873 (Gotogate)
One-way from	$518 (Kiwi.com)

From Václav Havel Prague to Lambert-St Louis

Search Deals

One-way flight from Václav Havel Prague to Lambert-St Louis

Search Deals

Find flight deals from Prague to St. Louis

Cheapest flights from Prague to St. Louis
Explore the most affordable flight options available from Prague to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Sat 10/256:50 amPRG - STL

2 stops15h 28mAir Canada

Thu 10/304:15 pmSTL - PRG

2 stops34h 30mAir Canada

Deal found 6/10

$873

Wed 6/256:00 amPRG - STL

2 stops16h 30mLufthansa

Sun 6/291:04 pmSTL - PRG

2 stops13h 36mLufthansa

Deal found 6/10

$878

Fri 7/2511:40 amPRG - STL

2 stops18h 55mUnited Airlines

Fri 8/14:00 pmSTL - PRG

1 stop13h 10mUnited Airlines

Deal found 6/10

$1,018

Tue 6/246:00 amPRG - STL

2 stops20h 58mMultiple Airlines

Sat 6/281:30 pmSTL - PRG

2 stops41h 30mMultiple Airlines

Deal found 6/11

$1,033

Sat 10/256:50 amPRG - STL

2 stops19h 19mBrussels Airlines

Thu 10/301:00 pmSTL - PRG

3 stops27h 10mBrussels Airlines

Deal found 6/10

$1,148

Tue 6/2411:00 amPRG - STL

1 stop16h 53mDelta

Sat 6/2810:00 amSTL - PRG

2 stops20h 35mDelta

Deal found 6/10

$1,210

Best flights from Prague to St. Louis
Discover carefully curated flight deals from Prague to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Sat 10/256:50 amPRG - STL

2 stops15h 28mAir Canada

Thu 10/304:15 pmSTL - PRG

2 stops34h 30mAir Canada

Deal found 6/10

$873

Wed 6/256:00 amPRG - STL

2 stops16h 30mLufthansa

Sun 6/291:04 pmSTL - PRG

2 stops13h 36mLufthansa

Deal found 6/10

$878

Fri 7/2511:40 amPRG - STL

2 stops18h 55mUnited Airlines

Fri 8/14:00 pmSTL - PRG

1 stop13h 10mUnited Airlines

Deal found 6/10

$1,018

Tue 6/246:00 amPRG - STL

2 stops20h 58mMultiple Airlines

Sat 6/281:30 pmSTL - PRG

2 stops41h 30mMultiple Airlines

Deal found 6/11

$1,033

Sat 10/256:50 amPRG - STL

2 stops19h 19mBrussels Airlines

Thu 10/301:00 pmSTL - PRG

3 stops27h 10mBrussels Airlines

Deal found 6/10

$1,148

Tue 6/2411:00 amPRG - STL

1 stop16h 53mDelta

Sat 6/2810:00 amSTL - PRG

2 stops20h 35mDelta

Deal found 6/10

$1,210

Last-minute flights from Prague to St. Louis
Discover last-minute flight deals from Prague to St. Louis. Data last updated June 12, 2025 and is based on user searches.

Tue 6/246:00 amPRG - STL

2 stops20h 58mMultiple Airlines

Sat 6/281:30 pmSTL - PRG

2 stops41h 30mMultiple Airlines

Deal found 6/11

$1,033

Tue 6/2411:00 amPRG - STL

1 stop16h 53mDelta

Sat 6/2810:00 amSTL - PRG

2 stops20h 35mDelta

Deal found 6/10

$1,210

Wed 6/256:00 amPRG - STL

2 stops16h 30mLufthansa

Sun 6/291:04 pmSTL - PRG

2 stops13h 36mLufthansa

Deal found 6/10

$878

Wed 6/251:40 pmPRG - STL

1 stop13h 00mAir Canada

Sun 6/292:30 pmSTL - PRG

1 stop14h 40mAir Canada

Deal found 6/10

$959

Fri 7/2511:40 amPRG - STL

2 stops18h 55mUnited Airlines

Fri 8/14:00 pmSTL - PRG

1 stop13h 10mUnited Airlines

Deal found 6/10

$1,018

Fri 7/2511:50 amPRG - STL

3 stops38h 10mBrussels Airlines

Fri 8/11:04 pmSTL - PRG

3 stops48h 21mBrussels Airlines

Deal found 6/10

$1,910

One-way flights from Prague to St. Louis
Search for one-way flight options from Prague to St. Louis. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Mon 10/136:40 amPRG - STL

3 stops48h 19mMultiple Airlines

Deal found 6/10

$518

Sat 10/46:00 amPRG - STL

2 stops16h 44mLufthansa

Deal found 6/12

$695

Thu 10/167:10 amPRG - STL

2 stops33h 31mAmerican Airlines

Deal found 6/10

$762

Sat 10/47:20 amPRG - STL

2 stops21h 33mBritish Airways

Deal found 6/11

$778

Mon 6/301:40 pmPRG - STL

1 stop13h 00mUnited Airlines

Deal found 6/10

$1,761

Cheapflights Fare Finder

Use the filters below to find and compare flights from Prague to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sat 10/25

6:50 am-3:18 pm

2 stops15h 28m

Lambert-St Louis

Thu 10/30

4:15 pm-8:45 am

2 stops34h 30m

$873

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Wed 6/25

6:00 am-3:30 pm

2 stops16h 30m

Lambert-St Louis

Sun 6/29

1:04 pm-9:40 am

2 stops13h 36m

$878

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Fri 7/25

11:40 am-11:35 pm

2 stops18h 55m

Lambert-St Louis

Fri 8/1

4:00 pm-12:10 pm

1 stop13h 10m

$1,018

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Tue 6/24

6:00 am-7:58 pm

2 stops20h 58m

Lambert-St Louis

Sat 6/28

1:30 pm-2:00 pm

2 stops41h 30m

$1,033

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sat 10/25

6:50 am-7:09 pm

2 stops19h 19m

Lambert-St Louis

Thu 10/30

1:00 pm-10:10 pm

3 stops27h 10m

$1,148

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Tue 6/24

11:00 am-8:53 pm

1 stop16h 53m

Lambert-St Louis

Sat 6/28

10:00 am-1:35 pm

2 stops20h 35m

$1,210

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Mon 10/13

6:40 am-11:59 pm

3 stops48h 19m

$518

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sat 10/4

6:00 am-3:44 pm

2 stops16h 44m

$695

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Thu 10/16

7:10 am-9:41 am

2 stops33h 31m

$762

PragueSt. Louis

PRG - STL

PRGSTL

Václav Havel Prague

Sat 10/4

7:20 am-9:53 pm

2 stops21h 33m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 results

Best time to book a flight from Prague to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Prague with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Prague to St. Louis

Rainfall in St. Louis by month

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Brussels Airlines

7.4

Good

355 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.1

Good

9,537 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Prague to St. Louis round-trip?
According to our current data, Air Canada ($873), Lufthansa ($878), and United Airlines ($1,018) offers the cheapest pricing from Prague to St. Louis.
What are the cheapest airlines to fly from Prague to St. Louis one-way?
One-way options have recently been found by users for as low as $695 on Lufthansa. Other airlines that offer cheap prices include American Airlines from $762 and British Airways from $778 one-way.
Can I find deals for flights from Prague to St. Louis that include hotel bookings?
Yes. In addition to deals on Prague to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Prague to St. Louis?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Prague to St. Louis.
Can I find deals for business class flights from Prague to St. Louis?
Yes. Cheapflights offers flight deals from Prague to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Prague to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Prague to St. Louis (average of $311). Flying from Prague to St. Louis in March is currently the most expensive (average of $356). 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.

See more FAQs

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$518+ Cheap flights from Prague (PRG) to St. Louis (STL)

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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Prague to St. Louis with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Prague to St. Louis

Round-trip from

One-way from

Find flight deals from Prague to St. Louis

Cheapest flights from Prague to St. LouisExplore the most affordable flight options available from Prague to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Prague to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Prague to St. Louis that are best for you.

Best time to book a flight from Prague to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Prague with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Prague to St. Louis

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

Reviews of airlines servicing St. Louis

Related info for your journey

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

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

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

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

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

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

What is the cheapest month to book a flight from Prague to St. Louis?

Traveling to a place near Prague?

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Alternative routes for Prague to St. Louis

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Book with Flexibility

Travel Smart

Cheapest flights from Prague to St. Louis
Explore the most affordable flight options available from Prague to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.