$592 Cheap Flights from Rock Springs (RKS) to Kailua-Kona (KOA)

View $592 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Rock Springs, WY (RKS-Sweetwater County) to Kona Intl. Airport (KOA)

Cheap Flights from Rock Springs to Kailua-Kona (RKS-KOA)

Prices were available within the past 7 days and start at $592 for one-way flights and $687 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Dec 11 - Tue, Dec 16
RKS
Rock Springs
KOA
Kona Coast
$687 Roundtrip, found 4 days ago
$687
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from Rock Springs to Kona Coast, returning Tue, Dec 16, priced at $687 found 4 days ago
United
Thu, Dec 11 - Mon, Dec 15
RKS
Rock Springs
KOA
Kona Coast
$691 Roundtrip, found 4 days ago
$691
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from Rock Springs to Kona Coast, returning Mon, Dec 15, priced at $691 found 4 days ago
United
Thu, Dec 11 - Thu, Dec 18
RKS
Rock Springs
KOA
Kona Coast
$730 Roundtrip, found 4 days ago
$730
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from Rock Springs to Kona Coast, returning Thu, Dec 18, priced at $730 found 4 days ago
United
Mon, Dec 8 - Tue, Dec 16
RKS
Rock Springs
KOA
Kona Coast
$750 Roundtrip, found 4 days ago
$750
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 8 from Rock Springs to Kona Coast, returning Tue, Dec 16, priced at $750 found 4 days ago
United
Wed, Dec 10 - Tue, Dec 16
RKS
Rock Springs
KOA
Kona Coast
$752 Roundtrip, found 4 days ago
$752
Roundtrip
found 4 days ago
Select United flight, departing Wed, Dec 10 from Rock Springs to Kona Coast, returning Tue, Dec 16, priced at $752 found 4 days ago
United
Mon, Dec 8 - Mon, Dec 15
RKS
Rock Springs
KOA
Kona Coast
$754 Roundtrip, found 4 days ago
$754
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 8 from Rock Springs to Kona Coast, returning Mon, Dec 15, priced at $754 found 4 days ago
United
Wed, Dec 10 - Mon, Dec 15
RKS
Rock Springs
KOA
Kona Coast
$756 Roundtrip, found 4 days ago
$756
Roundtrip
found 4 days ago
Select United flight, departing Wed, Dec 10 from Rock Springs to Kona Coast, returning Mon, Dec 15, priced at $756 found 4 days ago
United
Sat, Dec 6 - Tue, Dec 16
RKS
Rock Springs
KOA
Kona Coast
$764 Roundtrip, found 4 days ago
$764
Roundtrip
found 4 days ago
Select United flight, departing Sat, Dec 6 from Rock Springs to Kona Coast, returning Tue, Dec 16, priced at $764 found 4 days ago
United
Sat, Dec 6 - Mon, Dec 15
RKS
Rock Springs
KOA
Kona Coast
$768 Roundtrip, found 4 days ago
$768
Roundtrip
found 4 days ago
Select United flight, departing Sat, Dec 6 from Rock Springs to Kona Coast, returning Mon, Dec 15, priced at $768 found 4 days ago
United
Mon, Dec 8 - Fri, Dec 12
RKS
Rock Springs
KOA
Kona Coast
$781 Roundtrip, found 4 days ago
$781
Roundtrip
found 4 days ago
Select United flight, departing Mon, Dec 8 from Rock Springs to Kona Coast, returning Fri, Dec 12, priced at $781 found 4 days ago

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Alternative airports near Kailua-Kona

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

Select flight to Kona Intl. KOA. Cheapest option available. Flights from $752
KOA
Kona Intl.
Cheapest
Flights from $752
Flights from Rock Springs (RKS) to Kailua-Kona (KOA)
Origin airport
Sweetwater County
Destination airport
Kona Intl.
Roundtrip price
$687
Distance
3123 mi

Rock Springs to Kailua-Kona Flights

The cheapest times to fly from Rock Springs to Kailua-Kona

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 Rock Springs to Kailua-Kona are during the month of December. You can find some of the cheapest flights from Rock Springs to Kailua-Kona with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rock Springs to Kailua-Kona

Sunday is one of the best days to book for cheap flights from Rock Springs to Kailua-Kona: 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 Rock Springs to Kailua-Kona

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 Rock Springs to Kailua-Kona in 2025. You can also book with separate airlines for your outbound and return journeys, from $592 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 Rock Springs to Kailua-Kona 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 Rock Springs to Kailua-Kona 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 Sweetwater County Airport (RKS) to Kona Intl. Airport (KOA) cost?
Lock in a cheap one-way flight from $592 or cheap return flight from $687 from Sweetwater County Airport (RKS) to Kona Intl. Airport (KOA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sweetwater County Airport (RKS) to Kona Intl. Airport (KOA)?
December is the most affordable month to fly from RKS to KOA. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Sweetwater County Airport (RKS) to Kona Intl. Airport (KOA)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from RKS to KOA. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Sweetwater County Airport (RKS) to Kona Intl. Airport (KOA)?
There are no daily nonstop flights available from Sweetwater County Airport (RKS) to Kona Intl. Airport (KOA). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from RKS to KOA?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sweetwater County Airport (RKS) to Kona Intl. Airport (KOA)?
Choose a flight from Sweetwater County Airport (RKS) to Kona Intl. Airport (KOA) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Sweetwater County Airport (RKS) to Kona Intl. Airport (KOA) last-minute?
Waiting until right before your break to book a ticket from RKS to KOA generally means paying more. While it's possible to find some last-minute offers, they're not always guaranteed. Allow some flexibility in your schedule to boost your chances of landing a bargain.
Is it cheaper to book a RKS to KOA flight and hotel package?
Securing a RKS to KOA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our wide range of hotels and then add flights, car rentals and activities 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 Sweetwater County Airport (RKS) to Kona Intl. Airport (KOA)?
If you reserved your RKS to KOA flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

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*Available to One Key members.