BOI - KOA

$250 Find Cheap Flights from Boise to Kailua-Kona - Compare and Save

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Everything you should know

Cheapest round-trip
$485
Typical prices: $478-$709
Alaska Airlines
Thu 1/11Sat 1/20
BOI - KOA • 1 stop
Cheapest one-way
$250
Typical prices: $243-$387
Delta
Sat 12/29
BOI - KOA • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Boise and Kailua-Kona. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
20 weeks
in advance
Our data shows that travelers who book at least 20 weeks in advance save around 48% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 11% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $498 (round-trip)
Portland (PDX)
Shortest trip • 8h 21m (one-way)
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Insights
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We hope you love your trip to Kailua-Kona!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boise to Kailua-Kona

Mon, Jan 11 - Wed, Jan 20
Alaska Airlines Logo
7:01 am - 4:11 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
12h 10m1 stop San Diego
Alaska Airlines Logo
10:44 am - 11:08 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
9h 24m1 stop San Diego
$485Alaska Airlines
Mon, Jan 11 - Wed, Jan 20
Alaska Airlines Logo
8:12 am - 5:22 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
12h 10m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
11:29 pm - 12:24 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
9h 55m1 stop Seattle/Tacoma Intl
$485Alaska Airlines
Wed, Feb 3 - Wed, Feb 17
Multiple Airlines Logo
10:16 am - 6:31 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
11h 15m1 stop Honolulu
Multiple Airlines Logo
7:15 pm - 1:44 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
15h 29m2 stops Honolulu Los Angeles
$486Multiple Airlines
Wed, Jan 20 - Wed, Jan 20
Multiple Airlines Logo
10:16 am - 6:31 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
11h 15m1 stop Honolulu
Multiple Airlines Logo
11:29 pm - 10:23 amKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
7h 54m1 stop Seattle/Tacoma Intl
$490Multiple Airlines
Thu, Dec 10 - Thu, Dec 17
Delta Logo
8:59 am - 7:55 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
13h 56m1 stop Seattle/Tacoma Intl
Delta Logo
8:40 pm - 9:34 amKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
9h 54m1 stop Salt Lake City
$505Delta
Thu, Dec 10 - Thu, Dec 17
Delta Logo
10:37 am - 7:55 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
12h 18m1 stop Seattle/Tacoma Intl
Delta Logo
9:40 pm - 11:40 amKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
11h 00m1 stop Seattle/Tacoma Intl
$505Delta
Thu, Mar 4 - Thu, Mar 11
United Airlines Logo
6:20 am - 11:58 amBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
8h 38m1 stop San Francisco
United Airlines Logo
11:51 pm - 11:00 amKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
8h 09m1 stop San Francisco
$510United Airlines
Mon, Dec 14 - Mon, Dec 21
Southwest Logo
5:45 am - 2:15 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
11h 30m2 stops Phoenix Sky Harbor Intl Kahului
Southwest Logo
6:00 am - 8:10 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
11h 10m2 stops Honolulu San Jose
$533Southwest
Tue, Nov 17 - Fri, Nov 20
Southwest Logo
7:20 am - 12:55 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
8h 35m1 stop Sacramento Intl
Southwest Logo
9:00 am - 11:55 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
11h 55m1 stop Sacramento Intl
$542Southwest
Thu, Apr 1 - Thu, Apr 8
United Airlines Logo
6:30 am - 12:35 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
10h 05m1 stop San Francisco
United Airlines Logo
1:10 pm - 7:16 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
26h 06m2 stops Los Angeles San Francisco
$707United Airlines
Booking Insights

Price, demand and travel trends for Boise to Kailua-Kona flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Boise to Kailua-Kona?

Round-trip flights from Boise to Kailua-Kona typically range from $478 to $709. The lowest price found in the past 5 days was $485, on Alaska Airlines.

What's the cheapest day of the week to fly from Boise to Kailua-Kona?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from Boise to Kailua-Kona. It’s 15% cheaper than the average day, while Saturday is the most expensive, with prices 35% higher.

What’s the cheapest month to fly from Boise to Kailua-Kona?

•January is the cheapest month to fly from Boise to Kailua-Kona at $500 round-trip.
•December ($879) and November ($705) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 75% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Boise to Kailua-Kona the cheapest?

Flights from Boise to Kailua-Kona are cheapest 20 weeks before departure. Booking in this window typically costs about 48% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Boise to Kailua-Kona flights

Low season

September

Cheapest flight

$250
Beat the crowds with an average 66% drop in travelers.
The most popular month to fly with an average 54% increase in travelers.
One-way flight from Boise to Kailua-Kona

When to book flights from Boise to Kailua-Kona

Are your dates flexible? Find out the best times to travel from Boise to Kailua-Kona based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boise to Kailua-Kona flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Boise to Kailua-Kona?

    Only Economy Class is available on flights from Boise to Kailua-Kona.

  • How long is a flight from Boise to Kailua-Kona?

    A nonstop flight from Boise to Kailua-Kona takes 00m, covering 2,820 miles.

  • Do I need a passport to fly from Boise to Kailua-Kona?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Boise to Kailua-Kona flight?

    Round-trip flights from Boise to Kailua-Kona range from $478 to $709, with an average of $564 over the past 12 months. Anything below $478 counts as a good deal.

  • How expensive are last-minute Boise to Kailua-Kona flights?

    Last-minute fares on this route (booked within two weeks of departure) run 24% above the $564 route average. Book 20 weeks before departure for the lowest fares.

  • Have flight prices from Boise to Kailua-Kona changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $485 to $2,127. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Boise to Kailua-Kona looking right now?

    One-way fares from Boise to Kailua-Kona are currently higher than usual. Average one-way flight prices are about $320, which is 9% above the typical average for this route.

  • What car rental options are available at Kona Intl Airport (KOA)?

    Kona Intl Airport (KOA) hosts 5 major car rental companies, with daily rates averaging $67 for economy cars. Top options include:

    • Dollar
    • Thrifty
    • Budget
    • Hertz
    • Sixt

  • Which airports can I use when flying from Boise to Kailua-Kona?

    Flights from Boise to Kailua-Kona usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at Kona Intl (KOA).

  • Which airports do connecting flights from Boise to Kailua-Kona pass through?

    One-stop flights from Boise to Kailua-Kona most commonly connect through:

    • Seattle/Tacoma Intl (SEA) - 53% of one-stop connections
    • Sacramento Intl (SMF) - 26% of one-stop connections
    • San Francisco (SFO) - 11% of one-stop connections
    • Portland (PDX) - 5% of one-stop connections

  • Can I save money by using flexible dates for flights from Boise to Kailua-Kona?

    Yes. Flexible dates can save you up to 37% on flights from Boise to Kailua-Kona. Monday is the cheapest departure day at $483 round-trip on average, while Saturday is the most expensive at $764, a difference of $281.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Boise to Kailua-Kona?

    Flying via Portland (PDX) gives the shortest average 1-stop total travel time at 8h 21m, compared with 8h 29m via Honolulu (HNL) and 8h 47m via San Francisco (SFO).

  • What is the time difference between Boise and Kailua-Kona?

    Kailua-Kona is 4 hours behind Boise (Hawaii-Aleutian Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Boise to Kailua-Kona flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Saturday. On this route, Monday flights average $483, about $281 less than Saturday fares (37% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 48% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boise to Kailua-Kona trip for January. Fares historically average $500 round-trip in that month - typically $379 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Boise to Kailua-Kona

Complete your trip to Kailua-Kona with a hotel stay or car rental

Car rentals in Kailua-Kona
Hotels in Kailua-Kona
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