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Kaua'i

$879+ Cheap flights from Rapid City (RAP) to Kaua'i

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 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LIH
ago. 26 — sep. 21
mar. 8/26
mar. 9/2
1 adult, Economy
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Cheap flight deals from Rapid City to Kaua'i

Keep the following information in mind while searching for Rapid City to Kaua'i flight deals. Data was last updated agosto 21, 2025.

Round-trip from

$879
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$933
From Rapid City to Kaua'i
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from Rapid City to Kaua'i

Cheapest flights from Rapid City to Kaua'i
Explore the most affordable flight options available from Rapid City to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 21, 2025.

This United Airlines deal was found by Cheapflights users on 8/20. 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.
jue. 9/41:35 pmRAP - LIH
2 stops34h 23mUnited Airlines
lun. 9/812:57 pmLIH - RAP
2 stops19h 41mUnited Airlines
Deal found 8/20$879
This United Airlines deal was found by Cheapflights users on 8/19. 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.
lun. 9/17:00 amRAP - LIH
2 stops16h 58mUnited Airlines
lun. 9/811:10 pmLIH - RAP
2 stops18h 49mUnited Airlines
Deal found 8/19$1,059
This American Airlines deal was found by Cheapflights users on 8/19. 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.
lun. 9/15:39 amRAP - LIH
3 stops16h 51mAmerican Airlines
lun. 9/89:40 pmLIH - RAP
2 stops19h 13mAmerican Airlines
Deal found 8/19$1,470
This American Airlines deal was found by Cheapflights users on 8/20. 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.
jue. 9/46:00 amRAP - LIH
3 stops16h 00mMultiple Airlines
lun. 9/89:40 pmLIH - RAP
2 stops19h 13mMultiple Airlines
Deal found 8/20$2,786

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City to Kaua'i 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 agosto 21, 2025.
Use the filters below to find and compare flights from Rapid City to Kaua'i that are best for you.

Fly from

Rapid City

Fly to

Kaua'i

Route

Depart

Return

Price

Rapid CityLihue

RAP - LIH

RAPLIH

Rapid City

jue. 9/4

1:35 pm-7:58 pm

2 stops34h 23m

Lihue

lun. 9/8

12:57 pm-12:38 pm

2 stops19h 41m

$879

Rapid CityLihue

RAP - LIH

RAPLIH

Rapid City

lun. 9/1

7:00 am-7:58 pm

2 stops16h 58m

Lihue

lun. 9/8

11:10 pm-9:59 pm

2 stops18h 49m

$1,059

Rapid CityLihue

RAP - LIH

RAPLIH

Rapid City

lun. 9/1

5:39 am-6:30 pm

3 stops16h 51m

Lihue

lun. 9/8

9:40 pm-8:53 pm

2 stops19h 13m

$1,470

Rapid CityLihue

RAP - LIH

RAPLIH

Rapid City

jue. 9/4

6:00 am-6:00 pm

3 stops16h 00m

Lihue

lun. 9/8

9:40 pm-8:53 pm

2 stops19h 13m

$2,786

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Best time to book a flight from Rapid City to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i 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.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Kaua'i
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated agosto 21, 2025.
Read reviews from past customers who have flown United Airlines from Rapid City to Kaua'i. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,930 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,930 reviews
United Airlines
7.4
Good
8,930 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Kaua'i. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rapid City to Kaua'i?

    If you book a flight to Kaua'i from Rapid City, you will be flying from Rapid City, which is the city’s only airport. Rapid City (RAP) is located 9.0 mi from the center of Rapid City.

  • How long is the flight from Rapid City to Kaua'i?

    For as low as $879, United Airlines can have you in Kaua'i from Rapid City in 34h 23m. Airlines will cover a distance of 3517 mi.

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

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

  • How can I find direct flights from Rapid City to Kaua'i?

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

  • Can I find deals for business class flights from Rapid City to Kaua'i?

    Yes. Cheapflights offers flight deals from Rapid City to Kaua'i 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 Rapid City to Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from Rapid City to Kaua'i (average of $440). Flying from Rapid City to Kaua'i in June is currently the most expensive (average of $689). 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

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Top airline flying from Rapid City to Kaua'i

Discover the top airline that operate flights from Rapid City to Kaua'i. 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 agosto 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$810Average$989FlexibilityNo cancel feeOn-time69%

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