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Prague

$870+ Cheap flights from Louisville (SDF) to Prague (PRG)

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 12/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PRG
May 19 — May 261
Tue 5/19
Tue 5/26
1 adult, Economy
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Cheap flight deals from Louisville to Prague

Cheapest flights from Louisville to Prague
Explore the most affordable flight options available from Louisville to Prague. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 19, 2026.

This United Airlines deal was found by Cheapflights users on 4/14. 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 12/239:00 am
SDF
-
PRG
2 stops20h 05m
United Airlines
Wed 12/3011:50 am
PRG
-
SDF
2 stops18h 15m
United Airlines
Deal found 4/14$870
This United Airlines deal was found by Cheapflights users on 4/16. 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 9/2210:15 am
SDF
-
PRG
2 stops18h 35m
United Airlines
Sat 10/312:30 pm
PRG
-
SDF
2 stops34h 19m
United Airlines
Deal found 4/16$939
This American Airlines deal was found by Cheapflights users on 4/14. 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 9/2212:12 pm
SDF
-
PRG
2 stops17h 18m
American Airlines
Sat 10/310:15 am
PRG
-
SDF
1 stop15h 01m
American Airlines
Deal found 4/14$942
This Air Canada deal was found by Cheapflights users on 4/15. 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 9/2210:15 am
SDF
-
PRG
2 stops18h 35m
Multiple Airlines
Sat 10/36:00 am
PRG
-
SDF
3 stops20h 14m
Multiple Airlines
Deal found 4/15$970
This Air Canada deal was found by Cheapflights users on 4/14. 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 9/229:00 am
SDF
-
PRG
3 stops17h 30m
Air Canada
Sat 10/36:00 am
PRG
-
SDF
3 stops20h 14m
Air Canada
Deal found 4/14$986
This Delta deal was found by Cheapflights users on 4/16. 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 4/2412:35 pm
SDF
-
PRG
2 stops16h 15m
Delta
Thu 4/306:00 am
PRG
-
SDF
2 stops22h 50m
Delta
Deal found 4/16$1,003
This American Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 6/35:08 pm
SDF
-
PRG
2 stops15h 42m
American Airlines
Wed 6/1010:15 am
PRG
-
SDF
1 stop18h 53m
American Airlines
Deal found 4/16$1,036

Find flight deals from Louisville to Prague

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) 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 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$939
(United Airlines)
Provider with most accurate pricing for Louisville Intl-Václav Havel Prague flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Václav Havel Prague flights.
Search Deals
From Louisville Intl to Václav Havel Prague
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisville 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 April 19, 2026.
Use the filters below to find and compare flights from Louisville to Prague that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Tue 9/22

10:15 am-10:50 am

2 stops18h 35m

Václav Havel Prague

Sat 10/3

12:30 pm-4:49 pm

2 stops34h 19m

$939
Quickest round-trip

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Tue 9/22

12:12 pm-11:30 am

2 stops17h 18m

Václav Havel Prague

Sat 10/3

10:15 am-7:16 pm

1 stop15h 01m

$942

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Tue 9/22

9:00 am-8:30 am

3 stops17h 30m

Václav Havel Prague

Sat 10/3

6:00 am-8:14 pm

3 stops20h 14m

$986

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Thu 4/30

10:14 am-8:55 am

2 stops16h 41m

Václav Havel Prague

Sat 5/9

6:00 am-5:00 pm

2 stops17h 00m

$1,055

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Sun 5/31

1:05 pm-11:00 am

2 stops15h 55m

Václav Havel Prague

Sun 6/7

12:30 pm-7:18 pm

2 stops36h 48m

$1,081

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Wed 6/10

6:00 am-10:50 am

2 stops22h 50m

Václav Havel Prague

Wed 6/17

12:30 pm-7:02 pm

2 stops36h 32m

$1,100

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Sat 5/2

1:00 pm-9:40 am

2 stops38h 40m

Václav Havel Prague

Thu 5/7

10:20 am-10:36 pm

2 stops18h 16m

$1,184

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Sorted by cheapest first

Compare providers for flights from Louisville 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 Louisville to Prague in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Prague flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Prague flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Prague flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-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 Louisville-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 Louisville to Prague

Have a flexible travel schedule? Discover the best time to fly to Prague from Louisville 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.

Related info for your journey

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

  • How long is the flight from Louisville to Prague?

    For as low as $942, United Airlines can have you in Prague from Louisville in 17h 18m. Louisville and Prague are separated by a distance of 4644 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Louisville to Prague round-trip?

    Our cheapest airline available from Louisville to Prague is Lufthansa. Our recent data shows that you can find tickets from as low as $474 on this airline.

  • Can I find deals for flights from Louisville to Prague that include hotel bookings?

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

  • How can I find direct flights from Louisville to Prague?

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

  • Can I find deals for business class flights from Louisville to Prague?

    Yes. Cheapflights offers flight deals from Louisville 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.

See more FAQs

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Alternative routes for Louisville to Prague

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Prague flights
Nashville to Prague flights
Lexington to Prague flights

Top airline flying from Louisville to Prague

Discover the top airline that operate flights from Louisville 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 April 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$474Average$1,440FlexibilityNo cancel feeOn-time76%

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