$249+ Cheap flights from Kailua-Kona to Boise (KOA - BOI)
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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — BOI
Jun 23 — Jun 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Kailua-Kona to Boise 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 Kailua-Kona to Boise
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kailua-Kona to BoiseExplore the most affordable flight options available from Kailua-Kona to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 24, 2026.
Explore the most affordable flight options available from Kailua-Kona to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 24, 2026.
This Expedia deal was found by Cheapflights users on 5/21. 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 6/159:19 pm
KOA
- BOI
1 stop8h 24m
Alaska Airlines
Wed 6/174:21 pm
BOI
- KOA
1 stop9h 49m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 5/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:15 pm
KOA
- BOI
2 stops14h 29m
United Airlines
Wed 6/172:05 pm
BOI
- KOA
1 stop9h 26m
United Airlines
Deal found 5/21![United Airlines logo]()
$586
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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 5/313:46 pm
KOA
- BOI
1 stop21h 57m
Alaska Airlines
Sat 6/64:28 pm
BOI
- KOA
1 stop22h 28m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$610
This Expedia deal was found by Cheapflights users on 5/23. 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.
Sun 5/315:55 pm
KOA
- BOI
2 stops12h 25m
Multiple Airlines
Sat 6/64:28 pm
BOI
- KOA
1 stop22h 28m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$669
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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.
Fri 6/268:03 am
KOA
- BOI
1 stop10h 21m
Alaska Airlines
Sat 7/45:57 am
BOI
- KOA
1 stop8h 58m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$684
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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.
Fri 6/268:03 am
KOA
- BOI
1 stop10h 21m
Multiple Airlines
Sat 7/48:15 am
BOI
- KOA
2 stops13h 40m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$690
This Southwest deal was found by Cheapflights users on 5/21. 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 6/1510:00 am
KOA
- BOI
2 stops11h 10m
Southwest
Wed 6/176:30 am
BOI
- KOA
2 stops11h 40m
Southwest
Deal found 5/21![Southwest logo]()
$762
Best flights from Kailua-Kona to BoiseDiscover carefully curated flight deals from Kailua-Kona to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
Discover carefully curated flight deals from Kailua-Kona to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 24, 2026.
This Expedia deal was found by Cheapflights users on 5/21. 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 6/159:19 pm
KOA
- BOI
1 stop8h 24m
Alaska Airlines
Wed 6/174:21 pm
BOI
- KOA
1 stop9h 49m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 5/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:15 pm
KOA
- BOI
2 stops14h 29m
United Airlines
Wed 6/172:05 pm
BOI
- KOA
1 stop9h 26m
United Airlines
Deal found 5/21![United Airlines logo]()
$586
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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.
Fri 6/268:03 am
KOA
- BOI
1 stop10h 21m
Multiple Airlines
Sat 7/48:15 am
BOI
- KOA
2 stops13h 40m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$690
This Southwest deal was found by Cheapflights users on 5/21. 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 6/1510:00 am
KOA
- BOI
2 stops11h 10m
Southwest
Wed 6/176:30 am
BOI
- KOA
2 stops11h 40m
Southwest
Deal found 5/21![Southwest logo]()
$762
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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.
Fri 6/268:03 am
KOA
- BOI
1 stop10h 21m
Alaska Airlines
Sat 7/45:57 am
BOI
- KOA
1 stop8h 58m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$684
Last-minute flights from Kailua-Kona to BoiseDiscover last-minute flight deals from Kailua-Kona to Boise. Data last updated May 24, 2026 and is based on user searches.
Discover last-minute flight deals from Kailua-Kona to Boise. Data last updated May 24, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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 5/313:46 pm
KOA
- BOI
1 stop21h 57m
Alaska Airlines
Sat 6/64:28 pm
BOI
- KOA
1 stop22h 28m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$610
This Expedia deal was found by Cheapflights users on 5/23. 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.
Sun 5/315:55 pm
KOA
- BOI
2 stops12h 25m
Multiple Airlines
Sat 6/64:28 pm
BOI
- KOA
1 stop22h 28m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$669
This Expedia deal was found by Cheapflights users on 5/21. 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 6/159:19 pm
KOA
- BOI
1 stop8h 24m
Alaska Airlines
Wed 6/174:21 pm
BOI
- KOA
1 stop9h 49m
Alaska Airlines
Deal found 5/21![Alaska Airlines logo]()
$541
This United Airlines deal was found by Cheapflights users on 5/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/1510:15 pm
KOA
- BOI
2 stops14h 29m
United Airlines
Wed 6/172:05 pm
BOI
- KOA
1 stop9h 26m
United Airlines
Deal found 5/21![United Airlines logo]()
$586
This Southwest deal was found by Cheapflights users on 5/21. 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 6/1510:00 am
KOA
- BOI
2 stops11h 10m
Southwest
Wed 6/176:30 am
BOI
- KOA
2 stops11h 40m
Southwest
Deal found 5/21![Southwest logo]()
$762
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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.
Fri 6/268:03 am
KOA
- BOI
1 stop10h 21m
Alaska Airlines
Sat 7/45:57 am
BOI
- KOA
1 stop8h 58m
Alaska Airlines
Deal found 5/23![Alaska Airlines logo]()
$684
This Alaska Airlines deal was found by Cheapflights users on 5/23. 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.
Fri 6/268:03 am
KOA
- BOI
1 stop10h 21m
Multiple Airlines
Sat 7/48:15 am
BOI
- KOA
2 stops13h 40m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$690
One-way flights from Kailua-Kona to BoiseSearch for one-way flight options from Kailua-Kona to Boise. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
Search for one-way flight options from Kailua-Kona to Boise. Find affordable one-way fares based on user searches. Data last updated May 24, 2026.
This Delta deal was found by Cheapflights users on 5/23. 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 6/188:50 pm
KOA
- BOI
1 stop9h 06m
Delta
Deal found 5/23![Delta logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:49 pm
KOA
- BOI
1 stop21h 28m
Multiple Airlines
Deal found 5/22![Multiple Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 5/23. 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 6/238:50 pm
KOA
- BOI
1 stop9h 06m
Delta
Deal found 5/23![Delta logo]()
$257
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:45 pm
KOA
- BOI
2 stops11h 58m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$262
This Southwest deal was found by Cheapflights users on 5/23. 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 6/2310:00 am
KOA
- BOI
2 stops10h 25m
Southwest
Deal found 5/23![Southwest logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 6/229:19 pm
KOA
- BOI
1 stop8h 24m
Alaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$301
This Alaska Airlines deal was found by Cheapflights users on 5/20. 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 6/228:45 pm
KOA
- BOI
2 stops13h 22m
Multiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$307
This Expedia deal was found by Cheapflights users on 5/22. 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.
Sun 10/252:26 pm
KOA
- BOI
2 stops20h 57m
Alaska Airlines
Deal found 5/22![Alaska Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 5/23. 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 6/208:50 pm
KOA
- BOI
1 stop9h 06m
Delta
Deal found 5/23![Delta logo]()
$472
This Kiwi.com deal was found by Cheapflights users on 5/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:45 pm
KOA
- BOI
3 stops47h 19m
Multiple Airlines
Deal found 5/23![Multiple Airlines logo]()
$507
Find flight deals from Kailua-Kona to Boise
Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to Boise (BOI). 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 May 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $541 (Expedia) |
One-way from | $249 (Delta) |
Popular in | August |
Cheapest in | December |
Average price | $576 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kailua-Kona to Boise 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 May 24, 2026.
Use the filters below to find and compare flights from Kailua-Kona to Boise that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Kailua-KonaBoise
KOA - BOI
KOABOI
Kona Intl
Mon 6/15
9:19 pm-9:43 am
1 stop8h 24m
Boise Air Term. Gowen Fld
Wed 6/17
4:21 pm-10:10 pm
1 stop9h 49m
$541
Kailua-KonaBoise
KOA - BOI
KOABOI
Kona Intl
Mon 6/15
10:15 pm-4:44 pm
2 stops14h 29m
Boise Air Term. Gowen Fld
Wed 6/17
2:05 pm-7:31 pm
1 stop9h 26m
$586
Kailua-KonaBoise
KOA - BOI
KOABOI
Kona Intl
Fri 6/26
8:03 am-10:24 pm
1 stop10h 21m
Boise Air Term. Gowen Fld
Sat 7/4
5:57 am-10:55 am
1 stop8h 58m
$684
Kailua-KonaBoise
KOA - BOI
KOABOI
Kona Intl
Fri 6/26
8:03 am-10:24 pm
1 stop10h 21m
Boise Air Term. Gowen Fld
Sat 7/4
8:15 am-5:55 pm
2 stops13h 40m
$690
Kailua-KonaBoise
KOA - BOI
KOABOI
Kona Intl
Mon 6/15
10:00 am-1:10 am
2 stops11h 10m
Boise Air Term. Gowen Fld
Wed 6/17
6:30 am-2:10 pm
2 stops11h 40m
$762
Cheapest one-way
Quickest one-way
Kailua-KonaBoise
KOA - BOI
KOABOI
Kona Intl
Fri 6/19
8:50 pm-9:56 am
1 stop9h 06m
$257
Kailua-KonaBoise
KOA - BOI
KOABOI
Kona Intl
Mon 10/26
3:46 pm-12:35 pm
2 stops16h 49m
$262
Kailua-KonaBoise
KOA - BOI
KOABOI
Kona Intl
Fri 6/19
8:45 pm-12:47 pm
2 stops12h 02m
$263
Kailua-KonaBoise
KOA - BOI
KOABOI
Kona Intl
Tue 6/23
10:15 pm-4:44 pm
2 stops14h 29m
$263
Kailua-KonaBoise
KOA - BOI
KOABOI
Kona Intl
Tue 6/23
10:00 am-12:25 am
2 stops10h 25m
$263
Showing 1-10 of 12 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Kailua-Kona-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kailua-Kona-Boise flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kailua-Kona-Boise 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 Kailua-Kona-Boise 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 Kailua-Kona to Boise
Have a flexible travel schedule? Discover the best time to fly to Boise from Kailua-Kona with our price prediction graph.
KOA-BOI
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 Kailua-Kona to Boise
Reviews of airlines servicing Boise
Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated May 24, 2026.
Get a feel of what it's like to fly with Delta from Kailua-Kona to Boise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Entertainment
7.8
Food
7.2
Comfort
7.8
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Kailua-Kona to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsMeridian
Nampa
Caldwell
Ontario
McCall
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Boise flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Kailua-Kona
Popular flights
Alternative routes for Kailua-Kona to Boise
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boise
Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 24, 2026.
Complete your trip
Complete your trip to Boise by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kailua-Kona to Boise by cabin class
Find flights from Kailua-Kona to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kailua-Kona and Boise flights
Browse other Kailua-Kona and Boise flight options. Last updated on May 24, 2026.
Other flights from Kailua-Kona
Browse through other flights departing from Kailua-Kona. Flights are based on user searches made on Cheapflights and were last updated on May 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Kailua-Kona to Boise
Discover the top airline that operate flights from Kailua-Kona to Boise. 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 May 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$302 | Average$481 | FlexibilityNo cancel fee | On-timeN/A |