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$241+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — BOI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$335
(Delta)

One-way from

$241
(Delta)

Popular in

December

Cheapest in

August

Average price

$439
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 ($111 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 June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 8/189:47 pmKOA - BOI
1 stop9h 17mDelta
Thu 8/2811:45 amBOI - KOA
1 stop9h 49mDelta
Deal found 6/11$335
This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 9/299:45 pmKOA - GEG
1 stop7h 53mDelta
Tue 10/149:10 amGEG - KOA
1 stop11h 34mDelta
Deal found 6/11$399
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 8/189:30 pmKOA - BOI
1 stop9h 15mAlaska Airlines
Thu 8/287:00 amBOI - KOA
2 stops11h 10mAlaska Airlines
Deal found 6/11$406
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 9/299:00 pmKOA - GEG
2 stops11h 30mAlaska Airlines
Tue 10/147:30 amGEG - KOA
2 stops10h 19mAlaska Airlines
Deal found 6/11$412
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 8/68:00 amKOA - BOI
1 stop10h 46mHawaiian Airlines
Sun 8/106:00 amBOI - KOA
1 stop8h 50mHawaiian Airlines
Deal found 6/10$481
This Southwest deal was found by Cheapflights users on 6/12. 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 7/16:00 amKOA - BOI
2 stops12h 55mSouthwest
Tue 7/226:05 amBOI - KOA
1 stop10h 05mSouthwest
Deal found 6/12$621
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/279:25 pmKOA - BOI
1 stop11h 54mAmerican Airlines
Sun 6/296:52 amBOI - KOA
1 stop11h 32mAmerican Airlines
Deal found 6/11$789
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 6/1110:15 pmKOA - BOI
2 stops11h 35mUnited Airlines
Wed 6/1810:45 amBOI - KOA
2 stops13h 18mUnited Airlines
Deal found 6/10$1,012
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 6/277:13 pmKOA - GEG
3 stops14h 22mUnited Airlines
Tue 7/17:25 amGEG - KOA
2 stops11h 25mUnited Airlines
Deal found 6/12$1,404

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 June 12, 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

Mon 8/18

9:47 pm-11:04 am

1 stop9h 17m

Boise Air Term. Gowen Fld

Thu 8/28

11:45 am-5:34 pm

1 stop9h 49m

$335

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

Mon 9/29

9:45 pm-8:38 am

1 stop7h 53m

Spokane

Tue 10/14

9:10 am-5:44 pm

1 stop11h 34m

$399

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Mon 8/18

9:30 pm-10:45 am

1 stop9h 15m

Boise Air Term. Gowen Fld

Thu 8/28

7:00 am-2:10 pm

2 stops11h 10m

$406

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

Mon 9/29

9:00 pm-11:30 am

2 stops11h 30m

Spokane

Tue 10/14

7:30 am-2:49 pm

2 stops10h 19m

$412

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Wed 8/6

8:00 am-10:46 pm

1 stop10h 46m

Boise Air Term. Gowen Fld

Sun 8/10

6:00 am-10:50 am

1 stop8h 50m

$481

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Tue 7/1

6:00 am-10:55 pm

2 stops12h 55m

Boise Air Term. Gowen Fld

Tue 7/22

6:05 am-12:10 pm

1 stop10h 05m

$621

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Fri 6/27

9:25 pm-1:19 pm

1 stop11h 54m

Boise Air Term. Gowen Fld

Sun 6/29

6:52 am-2:24 pm

1 stop11h 32m

$789

Kailua-KonaSpokane

KOA - GEG

KOAGEG

Kona Intl

Fri 6/27

7:13 pm-12:35 pm

3 stops14h 22m

Spokane

Tue 7/1

7:25 am-3:50 pm

2 stops11h 25m

$1,404

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Tue 7/8

9:47 pm-9:57 am

1 stop8h 10m

$241

Kailua-KonaBoise

KOA - BOI

KOABOI

Kona Intl

Tue 7/8

8:10 am-12:11 am

2 stops12h 01m

$246

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 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

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 June 12, 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

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $241. Users have also found prices from $246 and $337 on Alaska Airlines and Southwest, 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 $395). 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$200Average$383FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$259Average$370FlexibilityNo cancel feeOn-time75%

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