$184 Cheap Flights from Kailua-Kona (KOA) to Boise (BOI)

View $184 flight on Tue, Dec 9, 2025Opens in a new window

Popular airlines from Kona Intl. Airport (KOA) to Boise Airport (BOI)

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Cheap Flights from Kailua-Kona to Boise (KOA-BOI)

Prices were available within the past 7 days and start at $184 for one-way flights and $363 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Wed, Sep 3 - Mon, Sep 8
KOA
Kona Coast
BOI
Boise
$363 Roundtrip, found 3 hours ago
$363
Roundtrip
found 3 hours ago
Select Bargain Flight flight, departing Wed, Sep 3 from Kona Coast to Boise, returning Mon, Sep 8, priced at $363 found 3 hours ago
Bargain Flight
Fri, Sep 12 - Sun, Sep 21
KOA
Kona Coast
BOI
Boise
$373 Roundtrip, found 6 days ago
$373
Roundtrip
found 6 days ago
Select Bargain Flight flight, departing Fri, Sep 12 from Kona Coast to Boise, returning Sun, Sep 21, priced at $373 found 6 days ago
Hawaiian Airlines
Tue, Oct 21 - Mon, Oct 27
KOA
Kona Coast
BOI
Boise
$379 Roundtrip, found 1 day ago
$379
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Oct 21 from Kona Coast to Boise, returning Mon, Oct 27, priced at $379 found 1 day ago
Delta
Tue, Aug 26 - Wed, Sep 3
KOA
Kona Coast
BOI
Boise
$379 Roundtrip, found 11 hours ago
$379
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Aug 26 from Kona Coast to Boise, returning Wed, Sep 3, priced at $379 found 11 hours ago
United
Wed, Sep 3 - Mon, Sep 8
KOA
Kona Coast
BOI
Boise
$379 Roundtrip, found 3 hours ago
$379
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Sep 3 from Kona Coast to Boise, returning Mon, Sep 8, priced at $379 found 3 hours ago
Southwest Airlines
Wed, Sep 3 - Mon, Sep 8
KOA
Kona Coast
BOI
Boise
$379 Roundtrip, found 3 hours ago
$379
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Wed, Sep 3 from Kona Coast to Boise, returning Mon, Sep 8, priced at $379 found 3 hours ago
Delta
Tue, Oct 14 - Tue, Oct 21
KOA
Kona Coast
BOI
Boise
$381 Roundtrip, found 6 days ago
$381
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Oct 14 from Kona Coast to Boise, returning Tue, Oct 21, priced at $381 found 6 days ago
Delta
Fri, Sep 12 - Sun, Sep 21
KOA
Kona Coast
BOI
Boise
$382 Roundtrip, found 6 days ago
$382
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Sep 12 from Kona Coast to Boise, returning Sun, Sep 21, priced at $382 found 6 days ago
Bargain Flight
Tue, Oct 21 - Tue, Oct 28
KOA
Kona Coast
BOI
Boise
$383 Roundtrip, found 4 days ago
$383
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Tue, Oct 21 from Kona Coast to Boise, returning Tue, Oct 28, priced at $383 found 4 days ago
Bargain Flight
Thu, Nov 6 - Thu, Nov 13
KOA
Kona Coast
BOI
Boise
$384 Roundtrip, found 2 days ago
$384
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Thu, Nov 6 from Kona Coast to Boise, returning Thu, Nov 13, priced at $384 found 2 days ago

Find the cheapest month to fly from Kailua-Kona (KOA) to Boise (BOI)

January is typically the cheapest month to fly

From $269 - $1,059 per traveler.

Graph displaying average flight prices per month

Flights from Kailua-Kona (KOA) to Boise (BOI)
Origin airport
Kona Intl.
Destination airport
Boise
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$363
Distance
2821 mi

Kailua-Kona to Boise Flights

The cheapest times to fly from Kailua-Kona to Boise

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

 

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

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

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 Kailua-Kona to Boise in 2025. You can also book with separate airlines for your outbound and return journeys, from $184 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 Kailua-Kona to Boise 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 Kailua-Kona to Boise 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 Kona Intl. Airport (KOA) to Boise Airport (BOI) cost?
Discover the latest flight deals from KOA to BOI 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 KOA to BOI?
The cheapest flights from KOA to BOI 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 KOA to BOI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from KOA to BOI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Kona Intl. Airport (KOA) to Boise Airport (BOI)?
Nonstop flights from Kona Intl. Airport (KOA) to Boise Airport (BOI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from KOA to BOI?
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 peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kona Intl. Airport (KOA) to Boise Airport (BOI)?
To land at Boise Airport (BOI) without delays, book a flight that leaves from Kona Intl. Airport (KOA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Kona Intl. Airport (KOA) to Boise Airport (BOI) last-minute?
Waiting until just before your departure to book your flight from KOA to BOI generally means paying more. While you may come across some last-minute offers, they aren't always guaranteed. Keep your travel schedule open to maximize your chances of scoring a bargain.
Is it cheaper to book a KOA to BOI flight and hotel package?
Booking a KOA to BOI flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our impressive range of stays and then add car rentals, flights 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 Kona Intl. Airport (KOA) to Boise Airport (BOI)?
Typically, you're able to reschedule or cancel your KOA to BOI flight. However, additional fees may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want more information, visit our Customer Service portal.

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*Available to One Key members.