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$232+ 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 12/20. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — BOI
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find 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 October 16, 2025.

This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:43 pmKOA - BOI
1 stop16h 19mDelta
Wed 12/315:40 amBOI - KOA
1 stop17h 02mDelta
Deal found 10/16$361
This Alaska Airlines deal was found by Cheapflights users on 10/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:00 amKOA - BOI
1 stop11h 50mAlaska Airlines
Wed 12/3110:47 amBOI - KOA
1 stop14h 43mAlaska Airlines
Deal found 10/16$362
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:43 pmKOA - BOI
1 stop22h 31mDelta
Sun 1/47:30 amBOI - KOA
1 stop15h 12mDelta
Deal found 10/16$371
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:30 pmKOA - BOI
2 stops15h 32mDelta
Mon 1/55:40 amBOI - KOA
1 stop16h 15mDelta
Deal found 10/16$376
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:43 pmKOA - BOI
1 stop19h 08mDelta
Thu 1/111:17 amBOI - KOA
1 stop11h 25mDelta
Deal found 10/16$380
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:43 pmKOA - BOI
1 stop11h 21mDelta
Sat 1/37:30 amBOI - KOA
1 stop15h 12mDelta
Deal found 10/16$381
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/128:43 pmKOA - BOI
1 stop20h 37mDelta
Wed 12/315:40 amBOI - KOA
2 stops15h 51mDelta
Deal found 10/16$387
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:43 pmKOA - BOI
1 stop13h 31mDelta
Sat 1/37:30 amBOI - KOA
1 stop15h 12mDelta
Deal found 10/16$391
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:43 pmKOA - BOI
1 stop13h 31mDelta
Tue 12/306:08 pmBOI - KOA
1 stop28h 34mDelta
Deal found 10/16$393
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/108:43 pmKOA - BOI
1 stop19h 08mDelta
Tue 12/306:08 pmBOI - KOA
1 stop28h 34mDelta
Deal found 10/16$402
This American Airlines deal was found by Cheapflights users on 10/15. 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.
Thu 10/309:45 pmKOA - GEG
1 stop15h 38mAmerican Airlines
Mon 11/36:32 amGEG - KOA
1 stop12h 15mAmerican Airlines
Deal found 10/15$633
This Delta deal was found by Cheapflights users on 10/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/309:30 pmKOA - GEG
1 stop12h 05mDelta
Sun 11/29:22 amGEG - KOA
1 stop11h 08mDelta
Deal found 10/16$663

Cheap 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 October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$361
(Delta)

One-way from

$197
(Alaska Airlines)

Popular in

December

Cheapest in

April

Average price

$658
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. 10% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 16, 2025.
Use the filters below to find and compare flights from Kailua-Kona to Idaho that are best for you.

Fly from

Kailua-Kona

Fly to

Idaho

Route

Depart

Return

Price

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Fri 12/12

8:43 pm-6:51 pm

1 stop19h 08m

Boise Air Term. Gowen Fld

Wed 12/31

11:17 am-7:42 pm

1 stop11h 25m

$361

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Wed 12/10

9:00 am-11:50 pm

1 stop11h 50m

Boise Air Term. Gowen Fld

Wed 12/31

10:47 am-10:30 pm

1 stop14h 43m

$362

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Mon 12/15

8:43 pm-8:20 pm

1 stop20h 37m

Boise Air Term. Gowen Fld

Thu 1/1

11:17 am-7:42 pm

1 stop11h 25m

$371

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Tue 12/9

8:43 pm-1:14 pm

1 stop13h 31m

Boise Air Term. Gowen Fld

Thu 1/1

11:17 am-7:42 pm

1 stop11h 25m

$371

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Tue 12/9

8:43 pm-10:14 pm

1 stop22h 31m

Boise Air Term. Gowen Fld

Sun 1/4

7:30 am-7:42 pm

1 stop15h 12m

$371

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Tue 12/9

8:43 pm-10:14 pm

1 stop22h 31m

Boise Air Term. Gowen Fld

Mon 1/5

8:40 am-6:55 pm

1 stop13h 15m

$371

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Fri 12/12

8:43 pm-1:14 pm

1 stop13h 31m

Boise Air Term. Gowen Fld

Mon 1/5

7:30 am-6:00 pm

2 stops13h 30m

$376

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Wed 12/10

8:43 pm-6:51 pm

1 stop19h 08m

Boise Air Term. Gowen Fld

Thu 1/1

11:17 am-7:42 pm

1 stop11h 25m

$380

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Thu 12/11

8:43 pm-11:04 am

1 stop11h 21m

Boise Air Term. Gowen Fld

Mon 1/5

5:40 am-6:55 pm

1 stop16h 15m

$380

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Sun 12/14

8:43 pm-6:51 pm

1 stop19h 08m

Boise Air Term. Gowen Fld

Sun 1/4

7:30 am-7:42 pm

1 stop15h 12m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 35 results
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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
No data available for this route at this time. Please check back soon.

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 October 16, 2025.
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
8.0
Very good
7,984 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 $362, Delta can have you in Idaho from Kailua-Kona in 11h 50m. There are 2820 mi between Kailua-Kona and Idaho. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kailua-Kona to Idaho one-way?

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $232. Users have also found prices from $262 and $332 on Southwest and Alaska Airlines, respectively.

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

    While some choose either Kona Intl - Boise Air Term. Gowen Fld or Kona Intl - Pocatello, Kona Intl - Spokane 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

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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 October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$257Average$401FlexibilityNo cancel feeOn-timeN/A

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