BOI - KOA

$243 Find Cheap Flights from Boise to Kailua-Kona - Compare and Save

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Everything you should know

Cheapest round-trip
$422
Typical prices: $473-$699
Delta
Sat 11/17Sat 11/24
BOI - KOA • 1 stop
Cheapest one-way
$243
Typical prices: $243-$407
United Airlines
Sat 12/1
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
15 weeks
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 38% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 12% price drop
February
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $530 (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

Tue, Oct 27 - Tue, Nov 3
Alaska Airlines Logo
7:20 am - 2:48 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
11h 28m1 stop San Diego
Alaska Airlines Logo
8:00 am - 8:02 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
9h 02m1 stop Seattle/Tacoma Intl
$486Alaska Airlines
Sun, Nov 29 - Wed, Dec 9
Southwest Logo
6:10 am - 12:55 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
9h 45m1 stop Sacramento Intl
Southwest Logo
9:00 am - 10:45 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
10h 45m1 stop Sacramento Intl
$486Southwest
Sun, Nov 1 - Fri, Nov 6
United Airlines Logo
12:00 pm - 8:32 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
11h 32m1 stop San Francisco
United Airlines Logo
11:59 pm - 11:19 amKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
8h 20m1 stop San Francisco
$486United Airlines
Wed, Oct 21 - Wed, Oct 28
Multiple Airlines Logo
7:00 am - 12:34 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
9h 34m1 stop Sacramento Intl
Multiple Airlines Logo
2:28 pm - 12:28 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
18h 00m1 stop Los Angeles
$486Multiple Airlines
Sun, Nov 1 - Fri, Nov 6
Southwest Logo
10:30 am - 9:25 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
13h 55m2 stops Oakland Honolulu
Southwest Logo
9:00 am - 11:50 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
11h 50m1 stop Sacramento Intl
$492Southwest
Mon, Nov 16 - Wed, Nov 18
Multiple Airlines Logo
7:00 am - 6:30 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
14h 30m2 stops Los Angeles Honolulu
Multiple Airlines Logo
8:00 am - 10:20 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
11h 20m1 stop Seattle/Tacoma Intl
$492Multiple Airlines
Mon, Nov 16 - Wed, Nov 18
Alaska Airlines Logo
10:49 am - 5:53 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
10h 04m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
8:00 am - 10:20 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
11h 20m1 stop Seattle/Tacoma Intl
$522Alaska Airlines
Wed, Oct 14 - Fri, Oct 23
United Airlines Logo
2:14 pm - 9:27 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
11h 13m1 stop San Francisco
United Airlines Logo
12:00 pm - 11:59 pmKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
7h 59m1 stop San Francisco
$533United Airlines
Sun, Nov 1 - Fri, Nov 6
Delta Logo
8:59 am - 6:38 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
12h 39m1 stop Seattle/Tacoma Intl
Delta Logo
10:05 pm - 9:54 amKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
8h 49m1 stop Seattle/Tacoma Intl
$558Delta
Fri, Oct 16 - Sun, Oct 25
Delta Logo
8:59 am - 5:38 pmBOI  Boise Air Term. Gowen Fld-KOA Kona Intl
12h 39m1 stop Seattle/Tacoma Intl
Delta Logo
9:06 pm - 11:27 amKOA  Kona Intl-BOI Boise Air Term. Gowen Fld
10h 21m1 stop Seattle/Tacoma Intl
$560Delta
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 from Boise to Kailua-Kona with more confidence.

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

Round-trip flights from Boise to Kailua-Kona start at $422. Prices are below average for this route right now, with typical round-trip fares ranging from $473 to $699. The lowest price found in the past 5 days was $422 on Delta.

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

Monday is the cheapest day of the week to fly from Boise to Kailua-Kona, it is 17% cheaper than the average day. Saturday is the most expensive day with flight prices 25% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from Boise to Kailua-Kona at $494 round-trip.
  • December ($795) and November ($705) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 60% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Boise to Kailua-Kona are cheapest 15 weeks before departure. Booking in this window typically costs about 38% 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

$243
Best time to beat the crowds but there is an average 2% increase in price.
Most popular time to fly and prices are also 5% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • 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.

  • 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) - 58% of one-stop connections
    • Sacramento Intl (SMF) - 22% of one-stop connections
    • San Francisco (SFO) - 11% of one-stop connections
    • Portland (PDX) - 6% of one-stop connections

    Seattle/Tacoma Intl (SEA) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 34% on the Boise to Kailua-Kona route. Monday is the cheapest departure day at $469 round-trip on average, while Saturday is the most expensive at $704, a difference of $235. 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 expensive are last-minute Boise to Kailua-Kona flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 21% above the route average of $560. Book 15 weeks before departure for the lowest fares.

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

    A nonstop flight from Boise to Kailua-Kona takes 0h 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.

  • 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 $422 to $2,263. That means the highest observed fare was about 5x 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 $452, which is 47% above the typical average for this route.

  • 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 9h 09m via Sacramento Intl (SMF) and 9h 49m 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.

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

    Kona Intl Airport (KOA) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:
    • Dollar
    • Thrifty
    • Budget
    • Hertz
    • Sixt

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

    Round-trip flights from Boise to Kailua-Kona range from $473 to $699, with an average of $560 over the past 12 months. Anything below $473 counts as a good deal.

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 can be flexible, aim for a Monday departure instead of Saturday. On this route, Monday flights average $469 - about $235 less than Saturday (33% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 38% 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 $494 round-trip in that month - typically $301 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

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