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Prague

$508+ 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — PRG
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Louisville to Prague

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

This United Airlines deal was found by Cheapflights users on 12/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/302:05 pmSDF - PRG
2 stops17h 00mUnited Airlines
Tue 2/37:25 amPRG - SDF
2 stops18h 18mUnited Airlines
Deal found 12/9$508
This KAYAK deal was found by Cheapflights users on 12/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/66:12 pmSDF - PRG
2 stops46h 13mLufthansa
Thu 1/1510:25 amPRG - SDF
2 stops15h 18mLufthansa
Deal found 12/10$826
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/71:50 pmSDF - PRG
2 stops22h 05mUnited Airlines
Wed 1/147:30 amPRG - SDF
2 stops18h 13mUnited Airlines
Deal found 12/11$709
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/71:50 pmSDF - PRG
2 stops22h 05mUnited Airlines
Thu 1/157:35 amPRG - SDF
2 stops18h 53mUnited Airlines
Deal found 12/11$709
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/66:12 pmSDF - PRG
2 stops39h 53mUnited Airlines
Wed 1/147:30 amPRG - SDF
2 stops18h 13mUnited Airlines
Deal found 12/11$714
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/66:12 pmSDF - PRG
2 stops41h 43mUnited Airlines
Thu 1/157:35 amPRG - SDF
2 stops17h 56mUnited Airlines
Deal found 12/11$715
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/510:50 amSDF - PRG
2 stops25h 05mUnited Airlines
Wed 1/147:30 amPRG - SDF
2 stops18h 13mUnited Airlines
Deal found 12/11$794
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/53:44 pmSDF - PRG
2 stops20h 11mUnited Airlines
Tue 1/137:25 amPRG - SDF
2 stops21h 05mUnited Airlines
Deal found 12/11$909
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/53:44 pmSDF - PRG
2 stops20h 11mUnited Airlines
Thu 1/157:35 amPRG - SDF
2 stops17h 56mUnited Airlines
Deal found 12/11$909
This United Airlines deal was found by Cheapflights users on 12/11. 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 1/62:05 pmSDF - PRG
2 stops18h 00mUnited Airlines
Tue 1/137:25 amPRG - SDF
2 stops21h 05mUnited Airlines
Deal found 12/11$920

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 December 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$508
(United Airlines)

Popular in

May

Cheapest in

November

Average price

$618
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
Highest demand for flights based on searches. 23% potential increase in price ($280 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($66 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 12, 2025.
Use the filters below to find and compare flights from Louisville to Prague that are best for you.

Fly from

Louisville

Fly to

Prague

Route

Depart

Return

Price

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Fri 1/30

2:05 pm-1:05 pm

2 stops17h 00m

Václav Havel Prague

Tue 2/3

7:25 am-7:43 pm

2 stops18h 18m

$508

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Wed 1/7

1:50 pm-5:55 pm

2 stops22h 05m

Václav Havel Prague

Wed 1/14

7:30 am-7:43 pm

2 stops18h 13m

$709

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Wed 1/7

1:50 pm-5:55 pm

2 stops22h 05m

Václav Havel Prague

Thu 1/15

7:35 am-8:28 pm

2 stops18h 53m

$709

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Tue 1/6

6:12 pm-4:05 pm

2 stops39h 53m

Václav Havel Prague

Wed 1/14

7:30 am-7:43 pm

2 stops18h 13m

$714

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Tue 1/6

6:12 pm-5:55 pm

2 stops41h 43m

Václav Havel Prague

Thu 1/15

7:35 am-7:31 pm

2 stops17h 56m

$715

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Mon 1/5

10:50 am-5:55 pm

2 stops25h 05m

Václav Havel Prague

Wed 1/14

7:30 am-7:43 pm

2 stops18h 13m

$794

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Tue 1/6

6:12 pm-10:25 pm

2 stops46h 13m

Václav Havel Prague

Thu 1/15

10:25 am-7:43 pm

2 stops15h 18m

$826

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Mon 1/5

3:44 pm-5:55 pm

2 stops20h 11m

Václav Havel Prague

Tue 1/13

7:25 am-10:30 pm

2 stops21h 05m

$909

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Mon 1/5

3:44 pm-5:55 pm

2 stops20h 11m

Václav Havel Prague

Thu 1/15

7:35 am-7:31 pm

2 stops17h 56m

$909

LouisvillePrague

SDF - PRG

SDFPRG

Louisville Intl

Tue 1/6

2:05 pm-2:05 pm

2 stops18h 00m

Václav Havel Prague

Tue 1/13

7:25 am-10:30 pm

2 stops21h 05m

$920

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 12 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
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.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Prague

What is the cheapest month to book a flight from Louisville to Prague?

Currently, December is the cheapest month in which you can book a flight from Louisville to Prague (average of $488). Flying from Louisville to Prague in June is currently the most expensive (average of $976). 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 time of day to fly from SDF to PRG?

Find hourly flight availability from Louisville to Prague. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from Louisville to Prague in the afternoon. Doing so could potentially save you 29% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost to fly round-trip from Louisville 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 December 12, 2025.
Read through reviews of airlines operating flights from Louisville to Prague, such as Delta, United Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,626 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $508, United Airlines can have you in Prague from Louisville in 17h. Louisville and Prague are separated by a distance of 4644 mi.

  • What are the cheapest airlines flying 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. Additional options worth looking into are Delta and United Airlines, starting at $509 and $680 round-trip. You may be able to fly from Louisville to Prague for 47% less than the average price by searching for these airlines.

  • 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.

  • What is the cheapest month to book a flight from Louisville to Prague?

    Currently, December is the cheapest month in which you can book a flight from Louisville to Prague (average of $488). Flying from Louisville to Prague in June is currently the most expensive (average of $976). 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

Browse thousands of different options on Cheapflights for your next trip

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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
Blountville to Prague flights
Knoxville to Prague flights
Lexington to Prague flights

Top 3 airlines flying from Louisville to Prague

Discover the top 3 airlines 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$474Average$1,130FlexibilityNo cancel feeOn-time76%
DeltaCheapest$509Average$1,226FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$680Average$1,219FlexibilityNo cancel feeOn-time69%

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