$350+ Cheap flights from St. Louis (STL) to Prague (PRG)
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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — PRG
Jun 10 — Jun 171
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Prague 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
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Cheapest flights from St. Louis to PragueExplore the most affordable flight options available from St. Louis to Prague. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
Explore the most affordable flight options available from St. Louis to Prague. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.
This Orbitz deal was found by Cheapflights users on 5/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/61:30 pm
STL
- PRG
2 stops18h 10m
Scandinavian Airlines
Wed 9/168:55 pm
PRG
- STL
2 stops33h 42m
Scandinavian Airlines
Deal found 5/6![Scandinavian Airlines logo]()
$796
This KAYAK deal was found by Cheapflights users on 5/6. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:42 pm
STL
- PRG
2 stops34h 58m
Scandinavian Airlines
Tue 10/277:20 pm
PRG
- STL
2 stops34h 19m
Scandinavian Airlines
Deal found 5/6![Scandinavian Airlines logo]()
$808
This Air Canada deal was found by Cheapflights users on 5/10. 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.
Sun 12/64:15 pm
STL
- PRG
2 stops33h 30m
Air Canada
Thu 12/107:35 am
PRG
- STL
2 stops38h 55m
Air Canada
Deal found 5/10![Air Canada logo]()
$817
This Gotogate deal was found by Cheapflights users on 5/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:40 pm
STL
- PRG
1 stop13h 10m
Multiple Airlines
Wed 9/166:10 am
PRG
- STL
1 stop14h 15m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$822
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 9/68:55 am
STL
- PRG
1 stop18h 55m
United Airlines
Wed 9/1612:30 pm
PRG
- STL
2 stops36h 19m
United Airlines
Deal found 5/6![United Airlines logo]()
$830
This Gotogate deal was found by Cheapflights users on 5/7. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:15 pm
STL
- PRG
2 stops33h 30m
Multiple Airlines
Thu 11/1910:25 am
PRG
- STL
2 stops36h 05m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$839
This Air Canada deal was found by Cheapflights users on 5/6. 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.
Sat 9/55:32 pm
STL
- PRG
2 stops34h 18m
Air Canada
Wed 9/1612:30 pm
PRG
- STL
2 stops34h 08m
Air Canada
Deal found 5/6![Air Canada logo]()
$840
This Delta deal was found by Cheapflights users on 5/6. 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 9/66:00 am
STL
- PRG
1 stop20h 00m
Delta
Fri 9/1811:00 am
PRG
- STL
1 stop16h 50m
Delta
Deal found 5/6![Delta logo]()
$842
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:06 pm
STL
- PRG
2 stops17h 04m
American Airlines
Wed 9/1610:15 am
PRG
- STL
2 stops17h 48m
American Airlines
Deal found 5/6![American Airlines logo]()
$843
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Mon 9/75:32 pm
STL
- PRG
2 stops34h 18m
United Airlines
Wed 9/1612:30 pm
PRG
- STL
1 stop32h 30m
United Airlines
Deal found 5/6![United Airlines logo]()
$844
This Delta deal was found by Cheapflights users on 5/6. 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.
Mon 9/77:20 am
STL
- PRG
2 stops18h 40m
Delta
Tue 9/1511:00 am
PRG
- STL
2 stops19h 37m
Delta
Deal found 5/6![Delta logo]()
$846
Best flights from St. Louis to PragueDiscover carefully curated flight deals from St. Louis to Prague that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
Discover carefully curated flight deals from St. Louis to Prague that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 11, 2026.
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 9/68:55 am
STL
- PRG
1 stop18h 55m
United Airlines
Wed 9/1612:30 pm
PRG
- STL
2 stops36h 19m
United Airlines
Deal found 5/6![United Airlines logo]()
$830
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:20 am
STL
- PRG
1 stop18h 55m
American Airlines
Fri 9/1810:15 am
PRG
- STL
1 stop18h 08m
American Airlines
Deal found 5/8![American Airlines logo]()
$892
This Gotogate deal was found by Cheapflights users on 5/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:10 pm
STL
- PRG
2 stops13h 20m
Multiple Airlines
Thu 10/226:40 pm
PRG
- STL
1 stop25h 45m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$905
This Lufthansa deal was found by Cheapflights users on 5/6. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:30 pm
STL
- PRG
2 stops14h 15m
Lufthansa
Thu 10/293:10 pm
PRG
- STL
1 stop29h 45m
Lufthansa
Deal found 5/6![Lufthansa logo]()
$950
This British Airways deal was found by Cheapflights users on 5/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:33 pm
STL
- PRG
2 stops22h 17m
British Airways
Sat 10/312:55 pm
PRG
- STL
2 stops49h 03m
British Airways
Deal found 5/6![British Airways logo]()
$1,066
This Delta deal was found by Cheapflights users on 5/10. 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.
Tue 6/169:21 am
STL
- PRG
2 stops16h 39m
Delta
Thu 6/2511:00 am
PRG
- STL
2 stops16h 39m
Delta
Deal found 5/10![Delta logo]()
$1,114
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Mon 9/75:32 pm
STL
- PRG
2 stops34h 18m
United Airlines
Fri 9/186:00 am
PRG
- STL
1 stop14h 25m
United Airlines
Deal found 5/6![United Airlines logo]()
$844
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Mon 10/193:30 pm
STL
- PRG
1 stop19h 10m
United Airlines
Wed 10/287:35 am
PRG
- STL
1 stop13h 20m
United Airlines
Deal found 5/6![United Airlines logo]()
$855
This American Airlines deal was found by Cheapflights users on 5/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:03 am
STL
- PRG
1 stop19h 12m
American Airlines
Sat 9/510:15 am
PRG
- STL
1 stop13h 48m
American Airlines
Deal found 5/10![American Airlines logo]()
$952
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Tue 7/72:40 pm
STL
- PRG
1 stop13h 10m
United Airlines
Fri 7/176:15 am
PRG
- STL
2 stops21h 07m
United Airlines
Deal found 5/10![United Airlines logo]()
$995
Last-minute flights from St. Louis to PragueDiscover last-minute flight deals from St. Louis to Prague. Data last updated May 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Prague. Data last updated May 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/7. 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 5/86:00 am
STL
- PRG
2 stops20h 00m
Delta
Sun 5/2411:00 am
PRG
- STL
2 stops17h 38m
Delta
Deal found 5/7![Delta logo]()
$1,112
This Iberia deal was found by Cheapflights users on 5/6. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/82:33 pm
STL
- PRG
2 stops17h 17m
Iberia
Sun 5/2410:15 am
PRG
- STL
1 stop20h 44m
Iberia
Deal found 5/6![Iberia logo]()
$1,116
This FlightHub deal was found by Cheapflights users on 5/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/127:05 am
STL
- PRG
2 stops18h 35m
Multiple Airlines
Mon 5/184:50 pm
PRG
- STL
2 stops30h 49m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$1,034
This KAYAK deal was found by Cheapflights users on 5/8. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:11 pm
STL
- PRG
2 stops31h 59m
British Airways
Mon 5/185:50 pm
PRG
- STL
1 stop32h 40m
British Airways
Deal found 5/8![British Airways logo]()
$1,094
This oojo deal was found by Cheapflights users on 5/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:35 pm
STL
- PRG
1 stop18h 50m
British Airways
Thu 6/2510:15 am
PRG
- STL
1 stop20h 44m
British Airways
Deal found 5/10![British Airways logo]()
$1,098
This Delta deal was found by Cheapflights users on 5/8. 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.
Tue 6/167:08 am
STL
- PRG
2 stops18h 52m
Delta
Thu 6/2511:00 am
PRG
- STL
2 stops16h 39m
Delta
Deal found 5/8![Delta logo]()
$1,114
This Air Canada deal was found by Cheapflights users on 5/6. 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.
Tue 6/161:05 pm
STL
- PRG
2 stops16h 40m
Air Canada
Thu 6/256:50 am
PRG
- STL
2 stops20h 35m
Air Canada
Deal found 5/6![Air Canada logo]()
$1,118
This Mytrip deal was found by Cheapflights users on 5/6. 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 6/202:15 pm
STL
- PRG
3 stops35h 25m
Multiple Airlines
Sat 6/279:25 am
PRG
- STL
2 stops18h 00m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,022
This Gotogate deal was found by Cheapflights users on 5/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/221:20 pm
STL
- PRG
2 stops21h 20m
Multiple Airlines
Mon 6/296:35 pm
PRG
- STL
1 stop25h 50m
Multiple Airlines
Deal found 5/6![Multiple Airlines logo]()
$1,113
This Gotogate deal was found by Cheapflights users on 5/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/232:15 pm
STL
- PRG
1 stop13h 35m
Multiple Airlines
Tue 6/306:10 am
PRG
- STL
1 stop14h 15m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$1,089
One-way flights from St. Louis to PragueSearch for one-way flight options from St. Louis to Prague. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
Search for one-way flight options from St. Louis to Prague. Find affordable one-way fares based on user searches. Data last updated May 11, 2026.
This AirNGo deal was found by Cheapflights users on 5/6. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:05 pm
STL
- PRG
2 stops32h 45m
Air Canada
Deal found 5/6![Air Canada logo]()
$350
This AirNGo deal was found by Cheapflights users on 5/6. 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 AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:32 pm
STL
- PRG
2 stops34h 18m
Air Canada
Deal found 5/6![Air Canada logo]()
$351
This Flysmarter deal was found by Cheapflights users on 5/6. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:12 am
STL
- PRG
1 stop14h 03m
British Airways
Deal found 5/6![British Airways logo]()
$357
This Cheapflightsfares deal was found by Cheapflights users on 5/10. 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.
Tue 8/119:35 pm
STL
- PRG
1 stop18h 50m
British Airways
Deal found 5/10![British Airways logo]()
$359
This British Airways deal was found by Cheapflights users on 5/6. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/99:40 pm
STL
- PRG
1 stop18h 35m
British Airways
Deal found 5/6![British Airways logo]()
$363
This Delta deal was found by Cheapflights users on 5/6. 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 8/96:30 am
STL
- PRG
2 stops19h 30m
Delta
Deal found 5/6![Delta logo]()
$366
This American Airlines deal was found by Cheapflights users on 5/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:57 pm
STL
- PRG
2 stops16h 28m
American Airlines
Deal found 5/10![American Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 5/6. 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.
Mon 8/176:30 am
STL
- PRG
2 stops21h 20m
Delta
Deal found 5/6![Delta logo]()
$370
This United Airlines deal was found by Cheapflights users on 5/6. 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.
Sun 8/161:18 pm
STL
- PRG
2 stops12h 37m
United Airlines
Deal found 5/6![United Airlines logo]()
$373
This Air Canada deal was found by Cheapflights users on 5/6. 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.
Sat 8/87:05 pm
STL
- PRG
2 stops32h 45m
Air Canada
Deal found 5/6![Air Canada logo]()
$374
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Tue 8/117:00 am
STL
- PRG
3 stops22h 45m
United Airlines
Deal found 5/10![United Airlines logo]()
$378
Find 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 May 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $796 (Orbitz) |
One-way from | $350 (AirNGo) |
Popular in | June |
Cheapest in | April |
Average price | $990 |
Cheapflights Fare Finder
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 2,558,603 searches. Data last updated May 11, 2026.
Use the filters below to find and compare flights from St. Louis to Prague that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisPrague
STL - PRG
STLPRG
Lambert-St Louis
Sun 9/6
8:55 am-10:50 am
1 stop18h 55m
Václav Havel Prague
Wed 9/16
12:30 pm-5:49 pm
2 stops36h 19m
$830
St. LouisPrague
STL - PRG
STLPRG
Lambert-St Louis
Mon 9/7
5:32 pm-10:50 am
2 stops34h 18m
Václav Havel Prague
Fri 9/18
6:00 am-1:25 pm
1 stop14h 25m
$844
Quickest round-trip
St. LouisPrague
STL - PRG
STLPRG
Lambert-St Louis
Mon 10/19
3:30 pm-5:40 pm
1 stop19h 10m
Václav Havel Prague
Wed 10/28
7:35 am-2:55 pm
1 stop13h 20m
$855
St. LouisPrague
STL - PRG
STLPRG
Lambert-St Louis
Thu 9/10
6:20 am-8:15 am
1 stop18h 55m
Václav Havel Prague
Fri 9/18
10:15 am-9:23 pm
1 stop18h 08m
$892
St. LouisPrague
STL - PRG
STLPRG
Lambert-St Louis
Thu 10/15
12:10 pm-8:30 am
2 stops13h 20m
Václav Havel Prague
Thu 10/22
6:40 pm-1:25 pm
1 stop25h 45m
$905
St. LouisPrague
STL - PRG
STLPRG
Lambert-St Louis
Fri 10/23
3:30 pm-12:45 pm
2 stops14h 15m
Václav Havel Prague
Thu 10/29
3:10 pm-2:55 pm
1 stop29h 45m
$950
St. LouisPrague
STL - PRG
STLPRG
Lambert-St Louis
Thu 8/27
6:03 am-8:15 am
1 stop19h 12m
Václav Havel Prague
Sat 9/5
10:15 am-5:03 pm
1 stop13h 48m
$952
St. LouisPrague
STL - PRG
STLPRG
Lambert-St Louis
Tue 7/7
2:40 pm-10:50 am
1 stop13h 10m
Václav Havel Prague
Fri 7/17
6:15 am-8:22 pm
2 stops21h 07m
$995
St. LouisPrague
STL - PRG
STLPRG
Lambert-St Louis
Wed 10/21
3:33 pm-8:50 pm
2 stops22h 17m
Václav Havel Prague
Sat 10/31
2:55 pm-9:58 am
2 stops49h 03m
$1,066
St. LouisPrague
STL - PRG
STLPRG
Lambert-St Louis
Tue 6/16
9:21 am-9:00 am
2 stops16h 39m
Václav Havel Prague
Thu 6/25
11:00 am-8:39 pm
2 stops16h 39m
$1,114
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from St. Louis to Prague
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Prague in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-Prague flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Prague flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Prague flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-Prague flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Prague flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Louis to Prague
Have a flexible travel schedule? Discover the best time to fly to Prague from St. Louis with our price prediction graph.
STL-PRG
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 St. Louis to Prague
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 May 11, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andLufthansa from St. Louis to Prague. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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St. Louis and Prague flights
Browse other St. Louis and Prague flight options. Last updated on May 11, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on May 11, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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Explore flights to Prague departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 11, 2026.
Top 3 airlines flying from St. Louis to Prague
Discover the top 3 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 2,558,603 searches. Data last updated May 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$409 | Average$655 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$572 | Average$764 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$908 | Average$1,002 | FlexibilityNo cancel fee | On-timeN/A |