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$776+ Cheap flights from Rapid City (RAP) to O'ahu

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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — HNL
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Rapid City to O'ahu

Cheapest flights from Rapid City to O'ahu
Explore the most affordable flight options available from Rapid City to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

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.
Mon 2/165:20 am
RAP
-
HNL
2 stops19h 01m
United Airlines
Mon 2/2310:55 pm
HNL
-
RAP
2 stops20h 21m
United Airlines
Deal found 1/17$776
This Delta deal was found by Cheapflights users on 1/18. 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.
Mon 11/166:20 am
RAP
-
HNL
2 stops17h 04m
Delta
Mon 11/231:30 pm
HNL
-
RAP
2 stops17h 37m
Delta
Deal found 1/18$797
This United Airlines deal was found by Cheapflights users on 1/18. 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 4/75:00 am
RAP
-
HNL
2 stops18h 20m
United Airlines
Sun 4/127:55 pm
HNL
-
RAP
1 stop9h 28m
United Airlines
Deal found 1/18$822
This United Airlines deal was found by Cheapflights users on 1/18. 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 2/167:00 am
RAP
-
HNL
2 stops33h 06m
United Airlines
Wed 2/1810:55 pm
HNL
-
RAP
2 stops18h 49m
United Airlines
Deal found 1/18$827
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2210:10 pm
RAP
-
HNL
1 stop11h 23m
Multiple Airlines
Sat 1/249:38 pm
HNL
-
RAP
2 stops20h 42m
Multiple Airlines
Deal found 1/18$838
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 10/78:35 am
RAP
-
HNL
2 stops15h 20m
United Airlines
Wed 10/149:40 pm
HNL
-
RAP
2 stops18h 53m
United Airlines
Deal found 1/19$845
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Wed 10/712:34 pm
RAP
-
HNL
2 stops13h 10m
American Airlines
Wed 10/146:42 pm
HNL
-
RAP
1 stop12h 50m
American Airlines
Deal found 1/18$850
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 2/37:00 am
RAP
-
HNL
2 stops17h 08m
United Airlines
Sat 2/712:45 pm
HNL
-
RAP
2 stops19h 40m
United Airlines
Deal found 1/19$853
This United Airlines deal was found by Cheapflights users on 1/18. 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 11/168:35 am
RAP
-
HNL
1 stop10h 59m
United Airlines
Mon 11/236:05 pm
HNL
-
RAP
1 stop13h 48m
United Airlines
Deal found 1/18$874

Find flight deals from Rapid City to O'ahu

Keep the following information in mind while searching for Rapid City to O'ahu flight deals. Data was last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$776
(United Airlines)

Popular in

May

Cheapest in

September

Average price

$1,008
Provider with most accurate pricing for Rapid City-Honolulu flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rapid City-Honolulu flights.
Search Deals
From Rapid City to O'ahu
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 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 O'ahu 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 O'ahu that are best for you.

Fly from

Rapid City

Fly to

O'ahu

Route

Depart

Return

Price

Rapid CityHonolulu

RAP - HNL

RAPHNL

Rapid City

Mon 2/16

5:20 am-9:21 pm

2 stops19h 01m

Honolulu

Mon 2/23

10:55 pm-10:16 pm

2 stops20h 21m

$776

Rapid CityHonolulu

RAP - HNL

RAPHNL

Rapid City

Mon 2/16

7:00 am-1:06 pm

2 stops33h 06m

Honolulu

Wed 2/18

10:55 pm-8:44 pm

2 stops18h 49m

$827

Rapid CityHonolulu

RAP - HNL

RAPHNL

Rapid City

Tue 4/7

5:00 am-10:05 pm

2 stops21h 05m

Honolulu

Sun 4/12

9:40 pm-1:08 pm

2 stops11h 28m

$837

Rapid CityHonolulu

RAP - HNL

RAPHNL

Rapid City

Tue 2/3

7:00 am-9:08 pm

2 stops17h 08m

Honolulu

Sat 2/7

12:45 pm-11:25 am

2 stops19h 40m

$853

Rapid CityHonolulu

RAP - HNL

RAPHNL

Rapid City

Tue 1/27

8:30 am-7:47 pm

2 stops14h 17m

Honolulu

Wed 1/28

8:40 pm-11:25 am

1 stop11h 45m

$1,047

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/17

Best time to book a flight from Rapid City to O'ahu

Have a flexible travel schedule? Discover the best time to fly to O'ahu 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 O'ahu

What is the cheapest month to book a flight from Rapid City to O'ahu?

Currently, October is the cheapest month in which you can book a flight from Rapid City to O'ahu (average of $656). Flying from Rapid City to O'ahu in May is currently the most expensive (average of $1,145). 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.

Reviews of airlines servicing O'ahu

Get insights into the airlines that provide service to O'ahu. 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 O'ahu. Reviews last updated January 20, 2026.
Read through reviews of airlines operating flights from Rapid City to O'ahu, such as United Airlines. 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.
United Airlines
7.4
Good
9,183 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

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 O'ahu. 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 O'ahu?

    Rapid City (RAP), located 9.0 mi from the city center, is the airport you fly out of when you book flights from Rapid City to O'ahu.

  • How long is the flight from Rapid City to O'ahu?

    For as low as $776, United Airlines can have you in O'ahu from Rapid City in 19h 01m. There are 3476 mi between Rapid City and O'ahu.

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

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

  • How can I find direct flights from Rapid City to O'ahu?

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

  • Can I find deals for business class flights from Rapid City to O'ahu?

    Yes. Cheapflights offers flight deals from Rapid City to O'ahu 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 O'ahu?

    Currently, October is the cheapest month in which you can book a flight from Rapid City to O'ahu (average of $656). Flying from Rapid City to O'ahu in May is currently the most expensive (average of $1,145). 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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Top airline flying from Rapid City to O'ahu

Discover the top airline that operate flights from Rapid City to O'ahu. 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$751Average$968FlexibilityNo cancel feeOn-time69%

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