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Kaua'i

$550+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — LIH
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap 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 January 20, 2026.

This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/116:00 am
RAP
-
LIH
2 stops15h 40m
Delta
Tue 3/178:19 pm
LIH
-
RAP
2 stops14h 59m
Delta
Deal found 1/20$550
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/176:00 am
RAP
-
LIH
2 stops15h 46m
Delta
Tue 2/249:20 pm
LIH
-
RAP
2 stops15h 24m
Delta
Deal found 1/19$605
This United Airlines deal was found by Cheapflights users on 1/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/82:42 pm
RAP
-
LIH
2 stops24h 41m
United Airlines
Wed 4/1512:55 pm
LIH
-
RAP
2 stops20h 13m
United Airlines
Deal found 1/17$714
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 3/117:00 am
RAP
-
LIH
2 stops18h 57m
United Airlines
Tue 3/1711:13 pm
LIH
-
RAP
2 stops17h 21m
United Airlines
Deal found 1/19$852
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:20 am
RAP
-
LIH
2 stops17h 00m
Delta
Sat 8/299:26 pm
LIH
-
RAP
2 stops20h 32m
Delta
Deal found 1/19$935
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/247:00 am
RAP
-
LIH
1 stop13h 04m
United Airlines
Wed 2/255:00 pm
LIH
-
RAP
2 stops15h 12m
United Airlines
Deal found 1/19$947
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 2/177:00 am
RAP
-
LIH
1 stop13h 04m
United Airlines
Tue 2/249:59 am
LIH
-
RAP
2 stops22h 13m
United Airlines
Deal found 1/19$997
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 8/227:05 am
RAP
-
LIH
1 stop12h 35m
United Airlines
Sat 8/2910:05 pm
LIH
-
RAP
2 stops13h 47m
United Airlines
Deal found 1/19$1,000
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 8/2211:41 am
RAP
-
LIH
1 stop30h 15m
American Airlines
Sat 8/299:16 pm
LIH
-
RAP
1 stop10h 37m
American Airlines
Deal found 1/19$1,047

Find 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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$550
(Delta)

Popular in

December

Cheapest in

September

Average price

$1,134
Provider with most accurate pricing for Rapid City-Lihue flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Lihue flights.
Search Deals
From Rapid City to Kaua'i
Search Deals
Highest demand for flights based on searches. 48% potential increase in price ($1,616 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 57% potential price decrease ($615 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 20, 2026.
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

Tue 2/17

6:00 am-6:46 pm

2 stops15h 46m

Lihue

Tue 2/24

9:20 pm-3:44 pm

2 stops15h 24m

$605

Rapid CityLihue

RAP - LIH

RAPLIH

Rapid City

Wed 4/8

2:42 pm-11:23 am

2 stops24h 41m

Lihue

Wed 4/15

12:55 pm-1:08 pm

2 stops20h 13m

$714

Rapid CityLihue

RAP - LIH

RAPLIH

Rapid City

Wed 3/11

7:00 am-9:57 pm

2 stops18h 57m

Lihue

Tue 3/17

11:13 pm-8:34 pm

2 stops17h 21m

$852

Rapid CityLihue

RAP - LIH

RAPLIH

Rapid City

Tue 2/24

7:00 am-5:04 pm

1 stop13h 04m

Lihue

Wed 2/25

5:00 pm-11:12 am

2 stops15h 12m

$947

Rapid CityLihue

RAP - LIH

RAPLIH

Rapid City

Tue 2/17

7:00 am-5:04 pm

1 stop13h 04m

Lihue

Tue 2/24

9:59 am-11:12 am

2 stops22h 13m

$997

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

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 January 20, 2026.
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
9,183 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,183 reviews
United Airlines
7.4
Good
9,183 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 $605, Delta can have you in Kaua'i from Rapid City in 15h 46m. 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

Browse thousands of different options on Cheapflights for your next trip

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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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$809Average$953FlexibilityNo cancel feeOn-time69%

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