$321 Cheap Flights from Rapid City (RAP) to Honolulu (HNL)

View $321 flight on Tue, Oct 21, 2025Opens in a new window

Popular airlines from Rapid City Regional Airport (RAP) to Daniel K. Inouye Intl. Airport (HNL)

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Cheap Flights from Rapid City to Honolulu (RAP-HNL)

Prices were available within the past 7 days and start at $321 for one-way flights and $603 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Dec 3 - Tue, Dec 16
RAP
Rapid City
HNL
Oahu
$603 Roundtrip, found 5 days ago
$603
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Dec 3 from Rapid City to Oahu, returning Tue, Dec 16, priced at $603 found 5 days ago
Delta
Tue, Jan 6 - Tue, Jan 13
RAP
Rapid City
HNL
Oahu
$605 Roundtrip, found 1 day ago
$605
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 6 from Rapid City to Oahu, returning Tue, Jan 13, priced at $605 found 1 day ago
American Airlines
Fri, Sep 5 - Sat, Sep 13
RAP
Rapid City
HNL
Oahu
$606 Roundtrip, found 22 hours ago
$606
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Fri, Sep 5 from Rapid City to Oahu, returning Sat, Sep 13, priced at $606 found 22 hours ago
Delta
Sat, Aug 30 - Thu, Sep 4
RAP
Rapid City
HNL
Oahu
$611 Roundtrip, found 5 hours ago
$611
Roundtrip
found 5 hours ago
Select Delta flight, departing Sat, Aug 30 from Rapid City to Oahu, returning Thu, Sep 4, priced at $611 found 5 hours ago
Delta
Tue, Aug 12 - Thu, Sep 4
RAP
Rapid City
HNL
Oahu
$613 Roundtrip, found 2 days ago
$613
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Aug 12 from Rapid City to Oahu, returning Thu, Sep 4, priced at $613 found 2 days ago
Delta
Wed, Jan 7 - Tue, Jan 13
RAP
Rapid City
HNL
Oahu
$622 Roundtrip, found 1 day ago
$622
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Jan 7 from Rapid City to Oahu, returning Tue, Jan 13, priced at $622 found 1 day ago
Delta
Tue, Oct 21 - Tue, Oct 28
RAP
Rapid City
HNL
Oahu
$631 Roundtrip, found 1 day ago
$631
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Oct 21 from Rapid City to Oahu, returning Tue, Oct 28, priced at $631 found 1 day ago
Delta
Wed, Dec 3 - Fri, Dec 12
RAP
Rapid City
HNL
Oahu
$634 Roundtrip, found 5 days ago
$634
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Dec 3 from Rapid City to Oahu, returning Fri, Dec 12, priced at $634 found 5 days ago
Delta
Sun, Dec 7 - Tue, Dec 16
RAP
Rapid City
HNL
Oahu
$638 Roundtrip, found 2 days ago
$638
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Dec 7 from Rapid City to Oahu, returning Tue, Dec 16, priced at $638 found 2 days ago
United
Wed, Sep 3 - Thu, Sep 18
RAP
Rapid City
HNL
Oahu
$702 Roundtrip, found 3 days ago
$702
Roundtrip
found 3 days ago
Select United flight, departing Wed, Sep 3 from Rapid City to Oahu, returning Thu, Sep 18, priced at $702 found 3 days ago

Find the cheapest month to fly from Rapid City (RAP) to Honolulu (HNL)

January is typically the cheapest month to fly

From $551 - $1,001 per traveler.

Graph displaying average flight prices per month

Alternative airports near Honolulu

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Daniel K. Inouye Intl. HNL. Cheapest option available. Flights from $903
HNL
Daniel K. Inouye Intl.
Cheapest
Flights from $903
Flights from Rapid City (RAP) to Honolulu (HNL)
Origin airport
Rapid City Regional
Destination airport
Daniel K. Inouye Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
$603
Distance
3477 mi

Rapid City to Honolulu Flights

The cheapest times to fly from Rapid City to Honolulu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rapid City to Honolulu are during the month of December. You can find some of the cheapest flights from Rapid City to Honolulu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rapid City to Honolulu

Sunday is one of the best days to book for cheap flights from Rapid City to Honolulu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Rapid City to Honolulu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rapid City to Honolulu in 2025. You can also book with separate airlines for your outbound and return journeys, from $321 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rapid City to Honolulu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rapid City to Honolulu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Rapid City Regional Airport (RAP) to Daniel K. Inouye Intl. Airport (HNL) cost?
Discover the latest flight deals from RAP to HNL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from RAP to HNL?
The cheapest flights from RAP to HNL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from RAP to HNL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from RAP to HNL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Rapid City Regional Airport (RAP) to Daniel K. Inouye Intl. Airport (HNL)?
There are no daily direct flights available from Rapid City Regional Airport (RAP) to Daniel K. Inouye Intl. Airport (HNL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from RAP to HNL?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rapid City Regional Airport (RAP) to Daniel K. Inouye Intl. Airport (HNL)?
To avoid potential delays on the Rapid City Regional Airport (RAP) to Daniel K. Inouye Intl. Airport (HNL) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Rapid City Regional Airport (RAP) to Daniel K. Inouye Intl. Airport (HNL) last-minute?
Holding off until just before your departure to book a flight from RAP to HNL often results in higher prices. Although you may find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible to maximize your chances of getting a bargain.
Is it cheaper to book a RAP to HNL flight and hotel package?
Securing a RAP to HNL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our impressive range of stays and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Daniel K. Inouye Intl. Airport (HNL)?
It's generally possible to cancel or reschedule your RAP to HNL flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.