$189 Cheap Flights from Boise (BOI) to Kailua-Kona (KOA)

View $189 flight on Tue, Feb 3, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $189 for one-way flights and $359 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Mon, Jan 12 - Tue, Jan 20
BOI
Boise
KOA
Kona Coast
$359 Roundtrip, found 3 days ago
$359
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Mon, Jan 12 from Boise to Kona Coast, returning Tue, Jan 20, priced at $359 found 3 days ago
Delta
Wed, Feb 18 - Fri, Feb 27
BOI
Boise
KOA
Kona Coast
$360 Roundtrip, found 1 day ago
$360
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Feb 18 from Boise to Kona Coast, returning Fri, Feb 27, priced at $360 found 1 day ago
Delta
Tue, Feb 17 - Fri, Feb 27
BOI
Boise
KOA
Kona Coast
$362 Roundtrip, found 1 day ago
$362
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Feb 17 from Boise to Kona Coast, returning Fri, Feb 27, priced at $362 found 1 day ago
Alaska Airlines
Mon, Dec 8 - Tue, Dec 9
BOI
Boise
KOA
Kona Coast
$366 Roundtrip, found 3 days ago
$366
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Dec 8 from Boise to Kona Coast, returning Tue, Dec 9, priced at $366 found 3 days ago
Alaska Airlines
Sat, Dec 6 - Sun, Dec 14
BOI
Boise
KOA
Kona Coast
$373 Roundtrip, found 2 days ago
$373
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Dec 6 from Boise to Kona Coast, returning Sun, Dec 14, priced at $373 found 2 days ago
Alaska Airlines
Mon, Dec 8 - Tue, Dec 9
BOI
Boise
KOA
Kona Coast
$374 Roundtrip, found 3 days ago
$374
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Dec 8 from Boise to Kona Coast, returning Tue, Dec 9, priced at $374 found 3 days ago
Alaska Airlines
Tue, Dec 9 - Tue, Dec 16
BOI
Boise
KOA
Kona Coast
$377 Roundtrip, found 7 hours ago
$377
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Tue, Dec 9 from Boise to Kona Coast, returning Tue, Dec 16, priced at $377 found 7 hours ago
Alaska Airlines
Mon, Feb 9 - Mon, Feb 16
BOI
Boise
KOA
Kona Coast
$378 Roundtrip, found 21 hours ago
$378
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Mon, Feb 9 from Boise to Kona Coast, returning Mon, Feb 16, priced at $378 found 21 hours ago
Southwest Airlines
Tue, Dec 9 - Tue, Dec 16
BOI
Boise
KOA
Kona Coast
$403 Roundtrip, found 7 hours ago
$403
Roundtrip
found 7 hours ago
Select Southwest Airlines flight, departing Tue, Dec 9 from Boise to Kona Coast, returning Tue, Dec 16, priced at $403 found 7 hours ago
American Airlines
Sun, Dec 7 - Sun, Dec 14
BOI
Boise
KOA
Kona Coast
$463 Roundtrip, found 10 hours ago
$463
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Sun, Dec 7 from Boise to Kona Coast, returning Sun, Dec 14, priced at $463 found 10 hours ago

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

January is typically the cheapest month to fly

From $259 - $597 per traveler.

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 $522
KOA
Kona Intl.
Cheapest
Flights from $522
Flights from Boise (BOI) to Kailua-Kona (KOA)
Origin airport
Boise
Destination airport
Kona Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$347
Distance
2821 mi

Boise to Kailua-Kona Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Boise 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 Boise 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 Boise to Kailua-Kona in 2025. You can also book with separate airlines for your outbound and return journeys, from $189 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 Boise 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 Boise 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 Boise Airport (BOI) to Kona Intl. Airport (KOA) cost?
Grab a cheap one-way flight from $189 or cheap return flight from $359 from Boise Airport (BOI) to Kona Intl. Airport (KOA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Boise Airport (BOI) to Kona Intl. Airport (KOA)?
Traveling in January can help you save, as it's the cheapest month for flights between BOI and KOA. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Boise Airport (BOI) to Kona Intl. Airport (KOA)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BOI to KOA flight.
How many flights per day from Boise Airport (BOI) to Kona Intl. Airport (KOA)?
You'll need to hop on a flight with a layover when traveling from Boise Airport (BOI) to Kona Intl. Airport (KOA). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BOI to KOA?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary 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 Boise Airport (BOI) to Kona Intl. Airport (KOA)?
To reach Kona Intl. Airport (KOA) on time, pick a flight that leaves from Boise Airport (BOI) 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 Boise Airport (BOI) to Kona Intl. Airport (KOA) last-minute?
Last-minute fares from BOI to KOA are typically more expensive. To secure the best rates, start searching for flights well in advance. That being said, if your travel plans are flexible, you may find a cheap fare right before your journey.
Is it cheaper to book a BOI to KOA flight and hotel package?
Booking a BOI to KOA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our impressive range of hotels and then add activities, flights 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 Boise Airport (BOI) to Kona Intl. Airport (KOA)?
If you reserved your BOI to KOA flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond 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'd like more information.

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*Available to One Key members.