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$379+ Cheap flights from Rapid City to Louisville (RAP - SDF)

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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — SDF
Sep 17 — Sep 241
Thu 9/17
Thu 9/24
1 adult, Economy
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Cheap flight deals from Rapid City to Louisville

Cheapest flights from Rapid City to Louisville
Explore the most affordable flight options available from Rapid City to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2026.

This United Airlines deal was found by Cheapflights users on 8/13. 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 9/187:00 am -
1 stop5h 29m
Sun 9/275:15 am -
1 stop7h 00m
Deal found 8/13$379
This United Airlines deal was found by Cheapflights users on 8/16. 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.
Fri 9/187:00 am -
1 stop5h 29m
Sat 9/263:36 pm -
1 stop7h 16m
Deal found 8/16$384
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Mon 9/286:07 pm -
1 stop17h 36m
Tue 10/136:00 am -
1 stop8h 21m
Deal found 8/13$390
This American Airlines deal was found by Cheapflights users on 8/16. 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.
Fri 9/186:07 pm -
1 stop17h 36m
Sat 9/264:19 pm -
1 stop7h 04m
Deal found 8/16$417
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Sat 9/196:07 pm -
1 stop17h 36m
Sat 9/264:19 pm -
1 stop7h 04m
Deal found 8/13$452
This Delta deal was found by Cheapflights users on 8/17. 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 9/16:48 am -
1 stop7h 02m
Sat 9/55:35 pm -
2 stops7h 02m
Deal found 8/17$474

Find flight deals from Rapid City to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Rapid City (RAP) to Louisville (SDF). 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 August 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$379
(United Airlines)

One-way from

$303
(Kiwi.com)
Provider with most accurate pricing for Rapid City-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Rapid City-Louisville Intl flights.
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From Rapid City to Louisville Intl
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One-way flight from Rapid City to Louisville Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Louisville 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 August 18, 2026.
Use the filters below to find and compare flights from Rapid City to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Rapid CityLouisville

RAP Rapid City - SDF Louisville Intl

RAPSDF

Rapid City

Fri 9/18

7:00 am-2:29 pm

1 stop5h 29m

Louisville Intl

Sun 9/27

5:15 am-10:15 am

1 stop7h 00m

$379

Rapid CityLouisville

RAP Rapid City - SDF Louisville Intl

RAPSDF

Rapid City

Fri 9/18

7:00 am-2:29 pm

1 stop5h 29m

Louisville Intl

Sat 9/26

3:36 pm-8:52 pm

1 stop7h 16m

$384

Rapid CityLouisville

RAP Rapid City - SDF Louisville Intl

RAPSDF

Rapid City

Fri 1/29

7:05 am-2:27 pm

1 stop5h 22m

Louisville Intl

Tue 2/2

8:45 am-7:08 pm

2 stops12h 23m

$414

Rapid CityLouisville

RAP Rapid City - SDF Louisville Intl

RAPSDF

Rapid City

Tue 9/1

2:32 pm-12:34 am

2 stops8h 02m

Louisville Intl

Sat 9/5

5:35 pm-10:37 pm

2 stops7h 02m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Sorted by cheapest first

Compare providers for flights from Rapid City to Louisville

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 Rapid City to Louisville in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

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

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

Reviews of airlines servicing Louisville

Get insights into the airlines that provide service to Louisville. 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 Louisville. Reviews last updated August 18, 2026.
Read reviews from past customers who have flown Delta and United Airlines from Rapid City to Louisville. 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.
Delta
7.8
Good
8,503 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,503 reviews
Delta
7.8
Good
8,503 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,106 reviews
Delta
7.8
Good
8,503 reviews

Crew

8.5

Boarding

8.1

Entertainment

7.8

Overall

7.8

Comfort

7.8

Food

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Louisville. 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 Rapid City to Louisville?

    A quick flight from Rapid City to Louisville can take about 5h 29m. United Airlines provides one of the quickest options available for as low as $379. The distance between Rapid City and Louisville is about 986 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Rapid City to Louisville round-trip?

    Flying on Delta is currently your cheapest option to Louisville, with prices starting at $180. Another option worth looking into is United Airlines, starting at $271 round trip.

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

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

  • How can I find direct flights from Rapid City to Louisville?

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

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

    Yes. Cheapflights offers flight deals from Rapid City to Louisville 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Corydon
Shepherdsville
Elizabethtown
Jeffersonville

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Top 2 airlines flying from Rapid City to Louisville

Discover the top 2 airlines that operate flights from Rapid City to Louisville. 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 August 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$180Average$299FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$271Average$438FlexibilityNo cancel feeOn-time69%

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