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Kaua'i

$648+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LIH
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
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 November 26, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$648
(Delta)

Popular in

December

Cheapest in

September

Average price

$953
Provider with most accurate pricing for Rapid City-Lihue flight deals.
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Provider most trusted by Cheapflights users for Rapid City-Lihue flights.
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From Rapid City to Kaua'i
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Highest demand for flights based on searches. 41% potential increase in price ($872 potential increase over avg. RT price).
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Cheapest flight prices on average. 35% potential price decrease ($324 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/24. 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 12/308:45 amRAP - LIH
1 stop11h 19mUnited Airlines
Mon 1/59:35 pmLIH - RAP
2 stops12h 37mUnited Airlines
Deal found 11/24$985
This American Airlines deal was found by Cheapflights users on 11/24. 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 12/305:30 amRAP - LIH
3 stops16h 09mAmerican Airlines
Mon 1/59:45 pmLIH - RAP
2 stops12h 49mAmerican Airlines
Deal found 11/24$1,495

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 November 26, 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

Mon 1/12

6:00 am-7:55 pm

2 stops16h 55m

Lihue

Wed 1/14

10:45 pm-10:28 pm

2 stops20h 43m

$648

Rapid CityLihue

RAP - LIH

RAPLIH

Rapid City

Tue 12/30

8:45 am-5:04 pm

1 stop11h 19m

Lihue

Mon 1/5

9:35 pm-1:12 pm

2 stops12h 37m

$985

Rapid CityLihue

RAP - LIH

RAPLIH

Rapid City

Mon 1/12

4:40 pm-12:54 pm

2 stops23h 14m

Lihue

Wed 1/14

8:30 pm-11:25 am

1 stop11h 55m

$1,004

Rapid CityLihue

RAP - LIH

RAPLIH

Rapid City

Tue 12/30

5:30 am-6:39 pm

3 stops16h 09m

Lihue

Mon 1/5

9:45 pm-1:34 pm

2 stops12h 49m

$1,495

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

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 November 26, 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
9,046 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,046 reviews
United Airlines
7.4
Good
9,046 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 $985, Delta can have you in Kaua'i from Rapid City in 11h 19m. Airlines will cover a distance of 3517 mi. This flight may include one or multiple stops.

  • 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.

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 November 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$809Average$953FlexibilityNo cancel feeOn-time69%

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