$684+ Cheap flights from Prague (PRG) to St. Louis (STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
PRG — STL
Nov 27 — Dec 41
Round-trip
1 adult, Economy
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Find cheap flights from Prague to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Prague to St. Louis
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Best
Last-minute
One-way
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 October 28, 2026.
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 October 28, 2026.
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:05 am -
2 stops22h 49m
Sat 11/285:58 pm -
2 stops15h 07m
Deal found 10/24![United Airlines logo]()
$1,064
This Air Canada deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 am -
2 stops39h 21m
Mon 11/164:05 pm -
2 stops33h 45m
Deal found 10/23![Air Canada logo]()
$1,072
This Expedia deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:50 pm -
1 stop29h 55m
Sat 11/281:08 pm -
2 stops22h 12m
Deal found 10/24![Lufthansa logo]()
$1,099
This Cheapflightsfares deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:25 am -
2 stops16h 44m
Fri 11/131:08 pm -
2 stops14h 12m
Deal found 10/25![Austrian Airlines logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:05 am -
1 stop13h 40m
Wed 12/166:09 am -
2 stops28h 46m
Deal found 10/25![United Airlines logo]()
$1,112
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:50 pm -
2 stops24h 05m
Fri 11/131:08 pm -
2 stops17h 47m
Deal found 10/26![United Airlines logo]()
$1,117
This Mytrip deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:25 am -
2 stops34h 20m
Sat 11/284:05 pm -
3 stops19h 30m
Deal found 10/24![Multiple Airlines logo]()
$1,151
Best flights from Prague to St. LouisDiscover 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 October 28, 2026.
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 October 28, 2026.
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:05 am -
2 stops22h 49m
Sat 11/285:58 pm -
2 stops15h 07m
Deal found 10/24![United Airlines logo]()
$1,064
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:20 am -
2 stops36h 06m
Mon 11/164:05 pm -
2 stops33h 45m
Deal found 10/25![Air Canada logo]()
$1,072
This Expedia deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:50 pm -
1 stop29h 55m
Sat 11/281:08 pm -
2 stops22h 12m
Deal found 10/24![Lufthansa logo]()
$1,099
This Mytrip deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:25 am -
2 stops34h 20m
Sat 11/284:05 pm -
3 stops19h 30m
Deal found 10/24![Multiple Airlines logo]()
$1,151
This United Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/97:05 am -
1 stop13h 40m
Wed 12/166:09 am -
2 stops28h 46m
Deal found 10/25![United Airlines logo]()
$1,112
Last-minute flights from Prague to St. LouisDiscover last-minute flight deals from Prague to St. Louis. Data last updated October 28, 2026 and is based on user searches.
Discover last-minute flight deals from Prague to St. Louis. Data last updated October 28, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:25 am -
2 stops16h 44m
Fri 11/131:08 pm -
2 stops14h 12m
Deal found 10/25![Austrian Airlines logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:50 pm -
2 stops24h 05m
Fri 11/131:08 pm -
2 stops17h 47m
Deal found 10/26![United Airlines logo]()
$1,117
This Air Canada deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:05 am -
2 stops39h 21m
Mon 11/164:05 pm -
2 stops33h 45m
Deal found 10/23![Air Canada logo]()
$1,072
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:05 am -
2 stops22h 49m
Sat 11/285:58 pm -
2 stops15h 07m
Deal found 10/24![United Airlines logo]()
$1,064
This Expedia deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/212:50 pm -
1 stop29h 55m
Sat 11/281:08 pm -
2 stops22h 12m
Deal found 10/24![Lufthansa logo]()
$1,099
This Mytrip deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:25 am -
2 stops34h 20m
Sat 11/284:05 pm -
3 stops19h 30m
Deal found 10/24![Multiple Airlines logo]()
$1,151
One-way flights from Prague to St. LouisSearch for one-way flight options from Prague to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
Search for one-way flight options from Prague to St. Louis. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
This Expedia deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2810:40 am -
1 stop15h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![British Airways logo]()
$684
This Delta deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:00 am -
2 stops25h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Delta logo]()
$696
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/286:05 am -
2 stops21h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Delta logo]()
$699
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/187:10 am -
3 stops47h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Multiple Airlines logo]()
$706
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/289:20 am -
3 stops45h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$760
This Globehunters deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/187:05 am -
1 stop13h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Lufthansa logo]()
$1,251
Find flight deals from Prague to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Prague (PRG) to St. Louis (STL). 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 October 28, 2026.
Round-trip from | $1,064 (United Airlines) |
|---|---|
One-way from | $684 (Expedia) |
Cheapflights Fare Finder
Customize your flight search to find flights from Prague to St. Louis 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 7,457,451 searches. Data last updated October 28, 2026.
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
Cheapest round-trip
PragueSt. Louis
PRG Václav Havel Prague - STL Lambert-St Louis
PRGSTL
Václav Havel Prague
Fri 12/18
6:00 am-12:34 am
2 stops25h 34m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$696
Quickest round-trip
PragueSt. Louis
PRG Václav Havel Prague - STL Lambert-St Louis
PRGSTL
Václav Havel Prague
Sun 3/28
6:05 am-8:37 pm
2 stops21h 32m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$699
PragueSt. Louis
PRG Václav Havel Prague - STL Lambert-St Louis
PRGSTL
Václav Havel Prague
Fri 12/18
7:10 am-11:35 pm
3 stops47h 25m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$706
PragueSt. Louis
PRG Václav Havel Prague - STL Lambert-St Louis
PRGSTL
Václav Havel Prague
Sun 3/28
9:20 am-12:04 am
3 stops45h 44m
Lambert-St Louis
Wed 12/31
12:00 am-7:00 am
Nonstop0h 00m
$760
PragueSt. Louis
PRG Václav Havel Prague - STL Lambert-St Louis
PRGSTL
Václav Havel Prague
Sat 11/21
7:05 am-10:54 pm
2 stops22h 49m
Lambert-St Louis
Sat 11/28
5:58 pm-4:05 pm
2 stops15h 07m
$1,064
PragueSt. Louis
PRG Václav Havel Prague - STL Lambert-St Louis
PRGSTL
Václav Havel Prague
Thu 11/12
10:20 am-3:26 pm
2 stops36h 06m
Lambert-St Louis
Mon 11/16
4:05 pm-8:50 am
2 stops33h 45m
$1,072
PragueSt. Louis
PRG Václav Havel Prague - STL Lambert-St Louis
PRGSTL
Václav Havel Prague
Sat 11/21
2:50 pm-1:45 pm
1 stop29h 55m
Lambert-St Louis
Sat 11/28
1:08 pm-6:20 pm
2 stops22h 12m
$1,099
PragueSt. Louis
PRG Václav Havel Prague - STL Lambert-St Louis
PRGSTL
Václav Havel Prague
Wed 12/9
7:05 am-1:45 pm
1 stop13h 40m
Lambert-St Louis
Wed 12/16
6:09 am-5:55 pm
2 stops28h 46m
$1,112
PragueSt. Louis
PRG Václav Havel Prague - STL Lambert-St Louis
PRGSTL
Václav Havel Prague
Sat 11/21
10:25 am-1:45 pm
2 stops34h 20m
Lambert-St Louis
Sat 11/28
4:05 pm-6:35 pm
3 stops19h 30m
$1,151
Sorted by cheapest first
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.
PRG-STL
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.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated October 28, 2026.
Get a feel of what it's like to fly with United Airlines and Lufthansa from Prague to St. Louis by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Crew
8.1
Food
6.7
Boarding
7.7
Entertainment
7.1
Comfort
7.3
Overall
7.3
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Chesterfield
Collinsville
Edwardsville
Glencoe
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Alternative routes for Prague to St. Louis
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Complete your trip
Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Prague to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Prague and St. Louis flights
Browse other Prague and St. Louis flight options. Last updated on October 28, 2026.
Popular flight searches
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 28, 2026.
Top 2 airlines flying from Prague to St. Louis
Discover the top 2 airlines that operate flights from Prague to St. Louis. 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 7,457,451 searches. Data last updated October 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$944 | Average$1,069 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,002 | Average$1,052 | FlexibilityNo cancel fee | On-time76% |