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$249+ Cheap flights from Kailua-Kona (KOA) to Idaho

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — BOI
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
1 adult, Economy
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Cheap flight deals from Kailua-Kona to Idaho

Cheapest flights from Kailua-Kona to Idaho
Explore the most affordable flight options available from Kailua-Kona to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.

This Alaska Airlines deal was found by Cheapflights users on 5/17. 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 9/2210:25 pm
KOA
-
GEG
1 stop10h 11m
Alaska Airlines
Wed 9/231:36 pm
GEG
-
KOA
1 stop8h 51m
Alaska Airlines
Deal found 5/17$453
This Southwest deal was found by Cheapflights users on 5/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:00 am
KOA
-
BOI
1 stop8h 15m
Southwest
Sun 8/237:30 am
BOI
-
KOA
1 stop8h 45m
Southwest
Deal found 5/18$458
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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 9/228:45 pm
KOA
-
GEG
2 stops11h 51m
Multiple Airlines
Wed 9/231:36 pm
GEG
-
KOA
1 stop8h 51m
Multiple Airlines
Deal found 5/17$458
This Orbitz deal was found by Cheapflights users on 5/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:45 pm
KOA
-
BOI
2 stops12h 07m
Multiple Airlines
Sun 8/232:17 pm
BOI
-
KOA
2 stops11h 33m
Multiple Airlines
Deal found 5/18$469
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.
Wed 9/3010:35 am
KOA
-
GEG
1 stop10h 18m
Alaska Airlines
Sun 10/112:51 pm
GEG
-
KOA
1 stop23h 08m
Alaska Airlines
Deal found 5/20$490
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.
Wed 9/308:45 pm
KOA
-
GEG
2 stops11h 51m
Multiple Airlines
Sun 10/112:51 pm
GEG
-
KOA
1 stop23h 08m
Multiple Airlines
Deal found 5/20$496
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 10/203:46 pm
KOA
-
BOI
1 stop25h 34m
Multiple Airlines
Thu 10/222:08 pm
BOI
-
KOA
2 stops11h 42m
Multiple Airlines
Deal found 5/18$532
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/69:25 pm
KOA
-
GEG
1 stop7h 55m
Multiple Airlines
Wed 6/105:00 am
GEG
-
KOA
2 stops11h 36m
Multiple Airlines
Deal found 5/21$534
This Alaska Airlines deal was found by Cheapflights users on 5/18. 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.
Tue 10/203:46 pm
KOA
-
BOI
1 stop25h 34m
Alaska Airlines
Thu 10/228:57 am
BOI
-
KOA
1 stop28h 39m
Alaska Airlines
Deal found 5/18$535
This Travelocity deal was found by Cheapflights users on 5/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/101:18 pm
KOA
-
BOI
1 stop16h 25m
Alaska Airlines
Mon 6/154:21 pm
BOI
-
KOA
1 stop9h 49m
Alaska Airlines
Deal found 5/18$541
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2410:45 pm
KOA
-
GEG
1 stop9h 53m
Delta
Wed 12/307:55 am
GEG
-
KOA
1 stop12h 59m
Delta
Deal found 5/19$560
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/119:50 am
KOA
-
IDA
2 stops10h 52m
Multiple Airlines
Thu 11/121:53 pm
IDA
-
KOA
1 stop11h 51m
Multiple Airlines
Deal found 5/21$560

Find flight deals from Kailua-Kona to Idaho

Keep the following information in mind while searching for Kailua-Kona to Idaho flight deals. Data was last updated May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$453
(Alaska Airlines)

One-way from

$229
(Delta)

Popular in

August

Cheapest in

December

Average price

$576
Provider with most accurate pricing for Kona Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kona Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Kona Intl to Idaho
Search Deals
One-way flight from Kona Intl to Idaho
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kailua-Kona to Idaho 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 22, 2026.
Use the filters below to find and compare flights from Kailua-Kona to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

Tue 9/22

10:25 pm-11:36 am

1 stop10h 11m

Spokane

Wed 9/23

1:36 pm-7:27 pm

1 stop8h 51m

$453

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Wed 8/19

10:00 am-10:15 pm

1 stop8h 15m

Boise Air Term. Gowen Fld

Sun 8/23

7:30 am-12:15 pm

1 stop8h 45m

$458

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

Tue 9/22

8:45 pm-11:36 am

2 stops11h 51m

Spokane

Wed 9/23

1:36 pm-7:27 pm

1 stop8h 51m

$458

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

Wed 9/30

10:35 am-11:53 pm

1 stop10h 18m

Spokane

Sun 10/11

2:51 pm-10:59 am

1 stop23h 08m

$490

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

Wed 9/30

8:45 pm-11:36 am

2 stops11h 51m

Spokane

Sun 10/11

2:51 pm-10:59 am

1 stop23h 08m

$496

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

Sat 6/6

9:25 pm-8:20 am

1 stop7h 55m

Spokane

Wed 6/10

5:00 am-1:36 pm

2 stops11h 36m

$534

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

Wed 6/10

1:18 pm-9:43 am

1 stop16h 25m

Boise Air Term. Gowen Fld

Mon 6/15

4:21 pm-10:10 pm

1 stop9h 49m

$541

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Tue 10/20

11:47 am-11:54 pm

1 stop8h 07m

Boise Air Term. Gowen Fld

Thu 10/22

8:25 am-1:26 pm

1 stop9h 01m

$558

Kailua-KonaIdaho Falls

KOA - IDA

KOAIDA

Kona Intl

Wed 11/11

6:00 am-11:42 pm

2 stops14h 42m

Idaho Falls Fanning Field

Thu 11/12

1:53 pm-10:44 pm

1 stop11h 51m

$560

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Showing 1-10 of 34 resultsSorted by cheapest first
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Best time to book a flight from Kailua-Kona to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho from Kailua-Kona with our price prediction graph.
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 Idaho

How much does it cost to fly round-trip from Kailua-Kona to Idaho?

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated May 22, 2026.
Read reviews from past customers who have flown Delta from Kailua-Kona to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,449 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.9
Good
8,449 reviews
Delta
7.9
Good
8,449 reviews

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Kailua-Kona to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kailua-Kona to Idaho?

    Most people fly from Kona Intl (KOA) if they book a flight from Kailua-Kona to Idaho. Kona Intl is conveniently located just 7.7 mi from Kailua-Kona’s city center.

  • How long is the flight from Kailua-Kona to Idaho?

    For as low as $458, Alaska Airlines can have you in Idaho from Kailua-Kona in 8h 15m. There are 2820 mi between Kailua-Kona and Idaho. This flight may include one or multiple stops.

  • What are the most popular routes from Kailua-Kona to Idaho?

    While some choose either Kona Intl - Pocatello or Kona Intl - Spokane, Kona Intl - Idaho Falls Fanning Field is the most popular route from Kailua-Kona to Idaho.

  • Can I find deals for flights from Kailua-Kona to Idaho that include hotel bookings?

    Yes. In addition to deals on Kailua-Kona to Idaho flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kailua-Kona to Idaho?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kailua-Kona to Idaho.

  • Can I find deals for business class flights from Kailua-Kona to Idaho?

    Yes. Cheapflights offers flight deals from Kailua-Kona to Idaho by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Kailua-Kona to Idaho

Discover the top airline that operate flights from Kailua-Kona to Idaho. 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 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$302Average$481FlexibilityNo cancel feeOn-timeN/A

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