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$347+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — BOI
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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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 julio 30, 2025.

Round-trip from

$385
(Alaska Airlines)

One-way from

$347
(Delta)

Popular in

December

Cheapest in

August

Average price

$498
From Kona Intl to Idaho
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One-way flight from Kona Intl to Idaho
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Highest demand for flights based on searches. 20% potential increase in price ($108 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 9/1010:27 amKOA - BOI
1 stop9h 16mAlaska Airlines
mié. 10/17:17 pmBOI - KOA
2 stops15h 16mAlaska Airlines
Deal found 7/30$385
This Delta deal was found by Cheapflights users on 7/30. 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.
vie. 10/319:30 pmKOA - GEG
1 stop12h 05mDelta
lun. 11/39:17 amGEG - KOA
2 stops12h 36mDelta
Deal found 7/30$385
This Hawaiian Airlines deal was found by Cheapflights users on 7/30. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/318:00 amKOA - GEG
1 stop9h 05mHawaiian Airlines
lun. 11/37:00 amGEG - KOA
1 stop9h 43mHawaiian Airlines
Deal found 7/30$419
This Delta deal was found by Cheapflights users on 7/29. 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.
jue. 8/219:47 pmKOA - BOI
1 stop9h 17mDelta
dom. 8/249:00 amBOI - KOA
1 stop12h 34mDelta
Deal found 7/29$441
This Southwest deal was found by Cheapflights users on 7/29. 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.
jue. 8/149:15 amKOA - BOI
1 stop9h 55mSouthwest
dom. 8/177:30 amBOI - KOA
1 stop9h 35mSouthwest
Deal found 7/29$562
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
mar. 8/263:19 pmKOA - IDA
2 stops19h 58mAlaska Airlines
jue. 8/286:13 amIDA - KOA
2 stops20h 00mAlaska Airlines
Deal found 7/28$632
This United Airlines deal was found by Cheapflights users on 7/29. 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.
mar. 12/2311:59 pmKOA - BOI
1 stop8h 40mUnited Airlines
mié. 12/316:35 amBOI - KOA
2 stops17h 35mUnited Airlines
Deal found 7/29$652
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
mié. 8/138:00 amKOA - GEG
1 stop7h 50mAlaska Airlines
dom. 8/177:00 amGEG - KOA
2 stops11h 50mAlaska Airlines
Deal found 7/29$698
This United Airlines deal was found by Cheapflights users on 7/29. 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.
mar. 8/267:40 pmKOA - IDA
1 stop10h 07mUnited Airlines
jue. 8/285:00 amIDA - KOA
1 stop14h 46mUnited Airlines
Deal found 7/29$852
This United Airlines deal was found by Cheapflights users on 7/29. 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.
mié. 8/131:15 pmKOA - GEG
3 stops22h 32mUnited Airlines
dom. 8/173:28 pmGEG - KOA
2 stops27h 22mUnited Airlines
Deal found 7/29$1,018

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 julio 30, 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

mié. 9/10

10:27 am-11:43 pm

1 stop9h 16m

Boise Air Term. Gowen Fld

mié. 10/1

7:17 pm-6:33 am

2 stops15h 16m

$385

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

vie. 10/31

9:30 pm-12:35 pm

1 stop12h 05m

Spokane

lun. 11/3

9:17 am-7:53 pm

2 stops12h 36m

$385

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

vie. 10/31

8:00 am-8:05 pm

1 stop9h 05m

Spokane

lun. 11/3

7:00 am-2:43 pm

1 stop9h 43m

$419

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

jue. 8/21

9:47 pm-11:04 am

1 stop9h 17m

Boise Air Term. Gowen Fld

dom. 8/24

9:00 am-5:34 pm

1 stop12h 34m

$441

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

jue. 8/14

9:15 am-11:10 pm

1 stop9h 55m

Boise Air Term. Gowen Fld

dom. 8/17

7:30 am-1:05 pm

1 stop9h 35m

$562

Kailua-KonaIdaho Falls

KOA - IDA

KOAIDA

Kona Intl

mar. 8/26

3:19 pm-3:17 pm

2 stops19h 58m

Idaho Falls Fanning Field

jue. 8/28

6:13 am-10:13 pm

2 stops20h 00m

$632

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

mar. 12/23

11:59 pm-11:39 am

1 stop8h 40m

Boise Air Term. Gowen Fld

mié. 12/31

6:35 am-9:10 pm

2 stops17h 35m

$652

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

mié. 8/13

8:00 am-6:50 pm

1 stop7h 50m

Spokane

dom. 8/17

7:00 am-3:50 pm

2 stops11h 50m

$698

Kailua-KonaIdaho Falls

KOA - IDA

KOAIDA

Kona Intl

mar. 8/26

7:40 pm-9:47 am

1 stop10h 07m

Idaho Falls Fanning Field

jue. 8/28

5:00 am-3:46 pm

1 stop14h 46m

$852

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

mié. 8/13

1:15 pm-2:47 pm

3 stops22h 32m

Spokane

dom. 8/17

3:28 pm-3:50 pm

2 stops27h 22m

$1,018

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 13 results
1
2

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 julio 30, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Kailua-Kona to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

  • 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 $347. Users have also found prices from $352 and $641 on Alaska Airlines and United Airlines, respectively.

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

    While some choose either Kona Intl - Spokane or Kona Intl - Idaho Falls Fanning Field, Kona Intl - Boise Air Term. Gowen Fld 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.

  • What is the cheapest month to book a flight from Kailua-Kona to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Kailua-Kona to Idaho (average of $314). Flying from Kailua-Kona to Idaho in June is currently the most expensive (average of $398). 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.

See more FAQs

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Top 2 airlines flying from Kailua-Kona to Idaho

Discover the top 2 airlines 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$200Average$383FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$259Average$370FlexibilityNo cancel feeOn-time75%

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