$196 Cheap Flights from Redmond (RDM) to Kailua-Kona (KOA)

View $196 flight on Thu, Sep 18, 2025Opens in a new window

Popular airlines from Redmond Municipal Airport (RDM) to Kona Intl. Airport (KOA)

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Cheap Flights from Redmond to Kailua-Kona (RDM-KOA)

Prices were available within the past 7 days and start at $196 for one-way flights and $379 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Wed, Sep 3 - Thu, Sep 4
RDM
Redmond
KOA
Kona Coast
$379 Roundtrip, found 5 days ago
$379
Roundtrip
found 5 days ago
Select Bargain Flight flight, departing Wed, Sep 3 from Redmond to Kona Coast, returning Thu, Sep 4, priced at $379 found 5 days ago
Bargain Flight
Thu, Sep 18 - Mon, Sep 22
RDM
Redmond
KOA
Kona Coast
$384 Roundtrip, found 5 hours ago
$384
Roundtrip
found 5 hours ago
Select Bargain Flight flight, departing Thu, Sep 18 from Redmond to Kona Coast, returning Mon, Sep 22, priced at $384 found 5 hours ago
Bargain Flight
Thu, Oct 23 - Tue, Oct 28
RDM
Redmond
KOA
Kona Coast
$384 Roundtrip, found 7 hours ago
$384
Roundtrip
found 7 hours ago
Select Bargain Flight flight, departing Thu, Oct 23 from Redmond to Kona Coast, returning Tue, Oct 28, priced at $384 found 7 hours ago
Delta
Thu, Sep 11 - Thu, Sep 11
RDM
Redmond
KOA
Kona Coast
$386 Roundtrip, found 3 days ago
$386
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Sep 11 from Redmond to Kona Coast, returning Thu, Sep 11, priced at $386 found 3 days ago
Bargain Flight
Tue, Sep 2 - Mon, Sep 8
RDM
Redmond
KOA
Kona Coast
$387 Roundtrip, found 6 days ago
$387
Roundtrip
found 6 days ago
Select Bargain Flight flight, departing Tue, Sep 2 from Redmond to Kona Coast, returning Mon, Sep 8, priced at $387 found 6 days ago
Hawaiian Airlines
Wed, Sep 3 - Thu, Sep 4
RDM
Redmond
KOA
Kona Coast
$391 Roundtrip, found 5 days ago
$391
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Wed, Sep 3 from Redmond to Kona Coast, returning Thu, Sep 4, priced at $391 found 5 days ago
United
Mon, Sep 8 - Mon, Sep 15
RDM
Redmond
KOA
Kona Coast
$391 Roundtrip, found 5 hours ago
$391
Roundtrip
found 5 hours ago
Select United flight, departing Mon, Sep 8 from Redmond to Kona Coast, returning Mon, Sep 15, priced at $391 found 5 hours ago
Bargain Flight
Tue, Oct 14 - Wed, Oct 29
RDM
Redmond
KOA
Kona Coast
$393 Roundtrip, found 2 days ago
$393
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Tue, Oct 14 from Redmond to Kona Coast, returning Wed, Oct 29, priced at $393 found 2 days ago
Alaska Airlines
Tue, Sep 30 - Tue, Oct 7
RDM
Redmond
KOA
Kona Coast
$396 Roundtrip, found 2 days ago
$396
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Sep 30 from Redmond to Kona Coast, returning Tue, Oct 7, priced at $396 found 2 days ago
Hawaiian Airlines
Tue, Oct 14 - Mon, Oct 27
RDM
Redmond
KOA
Kona Coast
$397 Roundtrip, found 2 days ago
$397
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 14 from Redmond to Kona Coast, returning Mon, Oct 27, priced at $397 found 2 days ago

Find the cheapest month to fly from Redmond (RDM) to Kailua-Kona (KOA)

October is typically the cheapest month to fly

From $359 - $613 per traveler.

Graph displaying average flight prices per month

Flights from Redmond (RDM) to Kailua-Kona (KOA)
Origin airport
Robert's Field
Destination airport
Kona Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Roundtrip price
$379
Distance
2620 mi

Redmond to Kailua-Kona Flights

The cheapest times to fly from Redmond 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 Redmond to Kailua-Kona are during the month of September. You can find some of the cheapest flights from Redmond to Kailua-Kona with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Redmond to Kailua-Kona

Sunday is one of the best days to book for cheap flights from Redmond 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 Redmond 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 Redmond to Kailua-Kona in 2025. You can also book with separate airlines for your outbound and return journeys, from $196 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 Redmond 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 Redmond 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 Robert's Field Airport (RDM) to Kona Intl. Airport (KOA) cost?
Grab a cheap one-way flight from $196 or cheap return flight from $379 from Robert's Field Airport (RDM) to Kona Intl. Airport (KOA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Robert's Field Airport (RDM) to Kona Intl. Airport (KOA)?
Planning your getaway for September is a good way to save, as it's the cheapest month for flights between RDM and KOA. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Robert's Field Airport (RDM) to Kona Intl. Airport (KOA)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from RDM to KOA. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Robert's Field Airport (RDM) to Kona Intl. Airport (KOA)?
Direct flights from Robert's Field Airport (RDM) to Kona Intl. Airport (KOA) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RDM to KOA?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 Robert's Field Airport (RDM) to Kona Intl. Airport (KOA)?
To avoid possible delays on the Robert's Field Airport (RDM) to Kona Intl. Airport (KOA) route, aim to travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Robert's Field Airport (RDM) to Kona Intl. Airport (KOA) last-minute?
Last-minute bookings from RDM to KOA are typically more expensive. For the lowest prices, start looking for flights as early as possible. That said, if you're flexible with your travel dates, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a RDM to KOA flight and hotel package?
Opting for a RDM to KOA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Robert's Field Airport (RDM) to Kona Intl. Airport (KOA)?
In most cases, you can modify or cancel your RDM to KOA flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more details, go to our Customer Service portal.

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*Available to One Key members.