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Kailua-Kona

$230+ Cheap flights from Idaho to Kailua-Kona (KOA)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KOA
Oct 14 — Oct 211
Tue 10/14
Tue 10/21
1 adult, Economy
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Cheap flight deals from Idaho to Kailua-Kona

Keep the following information in mind while searching for Idaho to Kailua-Kona flight deals. Data was last updated September 14, 2025.

Round-trip from

$323
(Alaska Airlines)

One-way from

$230
(KAYAK)

Popular in

December

Cheapest in

August

Average price

$401
From Idaho to Kona Intl
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One-way flight from Idaho to Kona Intl
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Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Idaho to Kailua-Kona

Cheapest flights from Idaho to Kailua-Kona
Explore the most affordable flight options available from Idaho to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:15 amGEG - KOA
1 stop13h 15mDelta
Wed 11/59:30 pmKOA - GEG
1 stop9h 07mDelta
Deal found 9/12$323
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:35 amGEG - KOA
2 stops10h 27mAlaska Airlines
Wed 11/59:00 pmKOA - GEG
2 stops13h 26mAlaska Airlines
Deal found 9/12$334
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:01 amBOI - KOA
1 stop10h 42mAlaska Airlines
Mon 11/33:43 pmKOA - BOI
1 stop27h 16mAlaska Airlines
Deal found 9/12$336
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/45:25 amGEG - KOA
1 stop9h 20mSouthwest
Tue 11/119:15 pmKOA - GEG
1 stop12h 40mSouthwest
Deal found 9/11$403
This Southwest deal was found by Cheapflights users on 9/12. 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 11/185:25 amGEG - KOA
1 stop9h 20mSouthwest
Mon 11/249:15 pmKOA - GEG
1 stop12h 05mSouthwest
Deal found 9/12$405
This Southwest deal was found by Cheapflights users on 9/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:25 amGEG - KOA
1 stop9h 20mSouthwest
Tue 11/2510:00 amKOA - GEG
2 stops13h 05mSouthwest
Deal found 9/11$408
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:05 amGEG - KOA
2 stops15h 20mDelta
Mon 11/248:53 pmKOA - GEG
1 stop11h 46mDelta
Deal found 9/12$409
This Alaska Airlines deal was found by Cheapflights users on 9/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/253:37 pmBOI - KOA
1 stop21h 57mAlaska Airlines
Sat 11/111:42 amKOA - BOI
1 stop21h 00mAlaska Airlines
Deal found 9/12$414
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 11/128:50 amBOI - KOA
1 stop11h 54mAlaska Airlines
Wed 11/198:45 amKOA - BOI
1 stop10h 35mAlaska Airlines
Deal found 9/13$420
This Delta deal was found by Cheapflights users on 9/13. 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 11/127:30 amBOI - KOA
1 stop13h 43mDelta
Mon 11/178:30 pmKOA - BOI
1 stop16h 35mDelta
Deal found 9/13$422
This Delta deal was found by Cheapflights users on 9/13. 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 10/227:40 amBOI - KOA
1 stop13h 50mDelta
Sat 11/19:30 pmKOA - BOI
1 stop12h 50mDelta
Deal found 9/13$423
This Alaska Airlines deal was found by Cheapflights users on 9/13. 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 11/122:20 pmBOI - KOA
2 stops10h 20mAlaska Airlines
Tue 11/189:20 pmKOA - BOI
1 stop15h 57mAlaska Airlines
Deal found 9/13$425

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Kailua-Kona 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 September 14, 2025.
Use the filters below to find and compare flights from Idaho to Kailua-Kona that are best for you.

Fly from

Idaho

Fly to

Kailua-Kona

Route

Depart

Return

Price

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 10/29

7:15 am-5:30 pm

1 stop13h 15m

Kona Intl

Wed 11/5

9:30 pm-8:37 am

1 stop9h 07m

$323

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Sun 2/1

9:10 am-7:50 pm

1 stop12h 40m

Kona Intl

Thu 2/5

9:55 pm-8:37 am

1 stop8h 42m

$323

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Mon 2/2

1:00 pm-7:50 pm

1 stop8h 50m

Kona Intl

Thu 2/5

9:55 pm-8:37 am

1 stop8h 42m

$323

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 1/7

2:45 pm-10:35 pm

1 stop10h 50m

Kona Intl

Tue 1/13

9:00 pm-9:43 am

2 stops9h 43m

$328

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 2/4

6:46 am-7:27 pm

2 stops15h 41m

Kona Intl

Wed 2/11

10:28 pm-1:15 pm

1 stop11h 47m

$328

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 2/3

1:40 pm-10:35 pm

1 stop10h 55m

Kona Intl

Thu 2/5

11:19 am-12:14 am

2 stops10h 55m

$328

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 11/4

5:05 am-7:53 pm

2 stops16h 48m

Kona Intl

Tue 11/11

8:30 pm-8:33 am

1 stop10h 03m

$328

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 2/4

7:00 am-2:46 pm

1 stop9h 46m

Kona Intl

Fri 2/6

10:00 pm-11:00 am

1 stop11h 00m

$373

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sun 10/26

7:01 am-1:43 pm

1 stop10h 42m

Kona Intl

Mon 11/3

9:42 am-10:08 pm

2 stops9h 26m

$374

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 2/4

1:40 pm-10:35 pm

1 stop10h 55m

Kona Intl

Thu 2/5

11:19 am-12:14 am

2 stops10h 55m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 22 results
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Best time to book a flight from Idaho to Kailua-Kona

Have a flexible travel schedule? Discover the best time to fly to Kailua-Kona from Idaho 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 Idaho to Kailua-Kona

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

Currently, October is the cheapest month in which you can book a flight from Idaho to Kailua-Kona (average of $409). Flying from Idaho to Kailua-Kona in June is currently the most expensive (average of $624). 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.

What is the cheapest time of day to fly from ID to KOA?

Find hourly flight availability from Idaho to Kailua-Kona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 14, 2025.

When flying from Idaho to Kailua-Kona, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Idaho to Kailua-Kona. 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 into for flights to Kailua-Kona from Idaho?

    Kona Intl (KOA), located 7.7 mi from the city center, is the airport you fly into when you book flights from Idaho to Kailua-Kona.

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

    Departing from Idaho to Kailua-Kona will take you 9h 20m. There are 2883 mi between Idaho and Kailua-Kona. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho to Kailua-Kona 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 Idaho to Kailua-Kona?

    Currently, October is the cheapest month in which you can book a flight from Idaho to Kailua-Kona (average of $409). Flying from Idaho to Kailua-Kona in June is currently the most expensive (average of $624). 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 5 airlines flying from Idaho to Kailua-Kona

Discover the top 5 airlines that operate flights from Idaho to Kailua-Kona. 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 September 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$261Average$610FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$294Average$569FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$296Average$499FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$296Average$528FlexibilityNo cancel feeOn-time75%
DeltaCheapest$298Average$427FlexibilityNo cancel feeOn-timeN/A

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