$257+ Cheap flights from Boise to Kailua-Kona (BOI - KOA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KOA
Aug 18 — Aug 251
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Kailua-Kona with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boise to Kailua-Kona
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Best
Last-minute
One-way
Cheapest flights from Boise to Kailua-KonaExplore the most affordable flight options available from Boise to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 19, 2026.
Explore the most affordable flight options available from Boise to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:17 pm
BOI
- KOA
1 stop9h 08m
Alaska Airlines
Tue 9/110:25 pm
KOA
- BOI
1 stop10h 11m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
BOI
- KOA
2 stops15h 35m
Delta
Tue 9/18:42 pm
KOA
- BOI
1 stop11h 01m
Delta
Deal found 7/17![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
BOI
- KOA
2 stops15h 35m
Delta
Fri 9/118:50 pm
KOA
- BOI
2 stops15h 24m
Delta
Deal found 7/17![Delta logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
BOI
- KOA
1 stop9h 06m
Multiple Airlines
Wed 9/26:00 am
KOA
- BOI
2 stops13h 00m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:17 pm
BOI
- KOA
2 stops11h 33m
Multiple Airlines
Tue 9/18:45 pm
KOA
- BOI
2 stops11h 51m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/147:00 am
BOI
- KOA
1 stop9h 25m
Southwest
Tue 9/228:35 pm
KOA
- BOI
1 stop10h 15m
Southwest
Deal found 7/16![Southwest logo]()
$431
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:17 pm
BOI
- KOA
2 stops11h 33m
Multiple Airlines
Wed 9/26:00 am
KOA
- BOI
2 stops13h 00m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:00 pm
BOI
- KOA
1 stop31h 17m
Delta
Fri 9/118:50 pm
KOA
- BOI
1 stop10h 44m
Delta
Deal found 7/17![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:23 pm
BOI
- KOA
1 stop9h 12m
Delta
Mon 8/3110:05 pm
KOA
- BOI
1 stop12h 44m
Delta
Deal found 7/17![Delta logo]()
$460
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:23 am
BOI
- KOA
1 stop11h 01m
Alaska Airlines
Tue 9/110:25 pm
KOA
- BOI
1 stop10h 11m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$462
Best flights from Boise to Kailua-KonaDiscover carefully curated flight deals from Boise to Kailua-Kona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 19, 2026.
Discover carefully curated flight deals from Boise to Kailua-Kona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 19, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:17 pm
BOI
- KOA
1 stop9h 08m
Alaska Airlines
Wed 8/2610:25 pm
KOA
- BOI
1 stop10h 11m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$404
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
BOI
- KOA
2 stops15h 35m
Delta
Fri 8/288:42 pm
KOA
- BOI
1 stop11h 01m
Delta
Deal found 7/17![Delta logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
BOI
- KOA
2 stops11h 39m
Multiple Airlines
Wed 8/266:00 am
KOA
- BOI
2 stops13h 00m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
BOI
- KOA
1 stop10h 40m
Southwest
Tue 8/188:35 pm
KOA
- BOI
1 stop10h 15m
Southwest
Deal found 7/14![Southwest logo]()
$514
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/148:59 am
BOI
- KOA
1 stop12h 36m
Delta
Thu 8/278:42 pm
KOA
- BOI
1 stop11h 01m
Delta
Deal found 7/18![Delta logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:25 pm
BOI
- KOA
1 stop18h 41m
Multiple Airlines
Sat 9/265:45 pm
KOA
- BOI
2 stops14h 48m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:23 pm
BOI
- KOA
1 stop9h 12m
Delta
Fri 8/218:42 pm
KOA
- BOI
1 stop11h 01m
Delta
Deal found 7/17![Delta logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:00 am
BOI
- KOA
2 stops11h 39m
Multiple Airlines
Sun 8/308:45 pm
KOA
- BOI
2 stops11h 51m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$486
Last-minute flights from Boise to Kailua-KonaDiscover last-minute flight deals from Boise to Kailua-Kona. Data last updated July 19, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Kailua-Kona. Data last updated July 19, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/252:17 pm
BOI
- KOA
1 stop9h 08m
Alaska Airlines
Wed 9/910:25 pm
KOA
- BOI
1 stop10h 10m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:15 pm
BOI
- KOA
2 stops12h 35m
Multiple Airlines
Wed 9/910:25 pm
KOA
- BOI
1 stop10h 10m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
BOI
- KOA
2 stops15h 35m
Delta
Fri 9/118:50 pm
KOA
- BOI
2 stops15h 24m
Delta
Deal found 7/17![Delta logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am
BOI
- KOA
1 stop9h 06m
Multiple Airlines
Wed 9/26:00 am
KOA
- BOI
2 stops13h 00m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$423
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:23 pm
BOI
- KOA
1 stop9h 12m
Delta
Mon 8/3110:05 pm
KOA
- BOI
1 stop12h 44m
Delta
Deal found 7/17![Delta logo]()
$460
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:17 pm
BOI
- KOA
2 stops11h 33m
Multiple Airlines
Tue 9/18:45 pm
KOA
- BOI
2 stops11h 51m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/262:17 pm
BOI
- KOA
2 stops11h 33m
Multiple Airlines
Wed 9/26:00 am
KOA
- BOI
2 stops13h 00m
Multiple Airlines
Deal found 7/17![Multiple Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/278:59 am
BOI
- KOA
1 stop12h 36m
Delta
Fri 8/288:42 pm
KOA
- BOI
1 stop11h 01m
Delta
Deal found 7/17![Delta logo]()
$462
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:00 pm
BOI
- KOA
1 stop31h 17m
Delta
Wed 9/98:50 pm
KOA
- BOI
1 stop10h 44m
Delta
Deal found 7/17![Delta logo]()
$457
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:00 pm
BOI
- KOA
1 stop31h 17m
Delta
Fri 9/118:50 pm
KOA
- BOI
2 stops15h 24m
Delta
Deal found 7/17![Delta logo]()
$463
One-way flights from Boise to Kailua-KonaSearch for one-way flight options from Boise to Kailua-Kona. Find affordable one-way fares based on user searches. Data last updated July 19, 2026.
Search for one-way flight options from Boise to Kailua-Kona. Find affordable one-way fares based on user searches. Data last updated July 19, 2026.
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:35 am
BOI
- KOA
1 stop11h 00m
Delta
Deal found 7/15![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 7/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:23 pm
BOI
- KOA
1 stop9h 12m
Delta
Deal found 7/17![Delta logo]()
$260
This American Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:05 am
BOI
- KOA
2 stops11h 55m
American Airlines
Deal found 7/15![American Airlines logo]()
$265
This Expedia deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:49 pm
BOI
- KOA
2 stops18h 43m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$288
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:00 am
BOI
- KOA
1 stop10h 40m
Southwest
Deal found 7/15![Southwest logo]()
$292
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:51 pm
BOI
- KOA
2 stops15h 55m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$327
This Expedia deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/278:28 pm
BOI
- KOA
1 stop18h 27m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/276:00 am
BOI
- KOA
2 stops16h 05m
Southwest
Deal found 7/19![Southwest logo]()
$358
Find flight deals from Boise to Kailua-Kona
Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Kailua-Kona (KOA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $404 (Delta) |
One-way from | $257 (Delta) |
Popular in | December |
Cheapest in | April |
Average price | $565 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Kailua-Kona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 19, 2026.
Use the filters below to find and compare flights from Boise to Kailua-Kona that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoiseKailua-Kona
BOI - KOA
BOIKOA
Boise Air Term. Gowen Fld
Mon 8/24
2:17 pm-7:25 pm
1 stop9h 08m
Kona Intl
Wed 8/26
10:25 pm-12:36 pm
1 stop10h 11m
$404
BoiseKailua-Kona
BOI - KOA
BOIKOA
Boise Air Term. Gowen Fld
Tue 8/25
6:00 am-5:35 pm
2 stops15h 35m
Kona Intl
Fri 8/28
8:42 pm-11:43 am
1 stop11h 01m
$410
BoiseKailua-Kona
BOI - KOA
BOIKOA
Boise Air Term. Gowen Fld
Mon 8/24
7:00 am-2:39 pm
2 stops11h 39m
Kona Intl
Wed 8/26
6:00 am-11:00 pm
2 stops13h 00m
$428
BoiseKailua-Kona
BOI - KOA
BOIKOA
Boise Air Term. Gowen Fld
Fri 8/14
8:59 am-5:35 pm
1 stop12h 36m
Kona Intl
Thu 8/27
8:42 pm-11:43 am
1 stop11h 01m
$462
BoiseKailua-Kona
BOI - KOA
BOIKOA
Boise Air Term. Gowen Fld
Fri 8/14
12:23 pm-5:35 pm
1 stop9h 12m
Kona Intl
Fri 8/21
8:42 pm-11:43 am
1 stop11h 01m
$462
BoiseKailua-Kona
BOI - KOA
BOIKOA
Boise Air Term. Gowen Fld
Sun 9/20
8:25 pm-11:06 am
1 stop18h 41m
Kona Intl
Sat 9/26
5:45 pm-12:33 pm
2 stops14h 48m
$468
BoiseKailua-Kona
BOI - KOA
BOIKOA
Boise Air Term. Gowen Fld
Mon 8/24
7:00 am-2:39 pm
2 stops11h 39m
Kona Intl
Sun 8/30
8:45 pm-12:36 pm
2 stops11h 51m
$486
BoiseKailua-Kona
BOI - KOA
BOIKOA
Boise Air Term. Gowen Fld
Tue 8/11
6:00 am-12:40 pm
1 stop10h 40m
Kona Intl
Tue 8/18
8:35 pm-10:50 am
1 stop10h 15m
$514
Cheapest one-way
BoiseKailua-Kona
BOI - KOA
BOIKOA
Boise Air Term. Gowen Fld
Wed 8/5
8:59 am-5:35 pm
1 stop12h 36m
$257
BoiseKailua-Kona
BOI - KOA
BOIKOA
Boise Air Term. Gowen Fld
Sat 8/15
12:23 pm-5:35 pm
1 stop9h 12m
$260
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from Boise to Kailua-Kona
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Kailua-Kona in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Boise-Kailua-Kona flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Kailua-Kona flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Kailua-Kona flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Boise-Kailua-Kona flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Kailua-Kona flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Boise to Kailua-Kona
Have a flexible travel schedule? Discover the best time to fly to Kailua-Kona from Boise with our price prediction graph.
BOI-KOA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boise to Kailua-Kona
How far ahead should I book a flight from Boise to Kailua-Kona?
The best time to book flights from Boise to Kailua-Kona is 21 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Boise to Kailua-Kona?
Currently, April is the cheapest month in which you can book a flight from Boise to Kailua-Kona (average of $465). Flying from Boise to Kailua-Kona in December is currently the most expensive (average of $795). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Boise to Kailua-Kona?
Reviews of airlines servicing Kailua-Kona
Get insights into the airlines that provide service to Kailua-Kona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kailua-Kona. Reviews last updated July 19, 2026.
Read through reviews of airlines operating flights from Boise to Kailua-Kona, such as Southwest,Alaska Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
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Top 4 airlines flying from Boise to Kailua-Kona
Discover the top 4 airlines that operate flights from Boise to Kailua-Kona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$200 | Average$510 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$373 | Average$560 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$379 | Average$604 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$392 | Average$596 | FlexibilityNo cancel fee | On-time69% |