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Kailua-Kona

$185+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KOA
Dec 9 — Dec 161
Tue 12/9
Tue 12/16
1 adult, Economy
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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 November 9, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/7. 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 12/29:00 amGEG - KOA
1 stop14h 30mAlaska Airlines
Tue 12/99:10 pmKOA - GEG
1 stop9h 42mAlaska Airlines
Deal found 11/7$283
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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.
Thu 12/47:15 amGEG - KOA
1 stop16h 15mAlaska Airlines
Thu 12/119:10 pmKOA - GEG
1 stop24h 04mAlaska Airlines
Deal found 11/7$284
This Delta deal was found by Cheapflights users on 11/8. 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 12/109:25 amGEG - KOA
1 stop10h 55mDelta
Mon 12/158:43 pmKOA - GEG
1 stop9h 50mDelta
Deal found 11/8$286
This Delta deal was found by Cheapflights users on 11/7. 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 12/45:05 amGEG - KOA
2 stops16h 25mDelta
Thu 12/119:30 pmKOA - GEG
2 stops15h 25mDelta
Deal found 11/7$296
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 12/67:15 amGEG - KOA
1 stop16h 15mAlaska Airlines
Sun 12/149:10 pmKOA - GEG
1 stop25h 14mAlaska Airlines
Deal found 11/8$313
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 amGEG - KOA
1 stop14h 30mAlaska Airlines
Mon 12/159:10 pmKOA - GEG
1 stop13h 29mAlaska Airlines
Deal found 11/8$338
This Delta deal was found by Cheapflights users on 11/8. 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.
Sat 12/66:05 amGEG - KOA
2 stops15h 25mDelta
Sun 12/148:43 pmKOA - GEG
1 stop9h 50mDelta
Deal found 11/8$369
This Delta deal was found by Cheapflights users on 11/9. 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 12/245:50 amBOI - KOA
1 stop12h 58mDelta
Sun 12/289:55 pmKOA - BOI
1 stop9h 25mDelta
Deal found 11/9$434
This Delta deal was found by Cheapflights users on 11/6. 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 11/137:30 amBOI - KOA
1 stop13h 43mDelta
Tue 11/188:30 pmKOA - BOI
1 stop11h 32mDelta
Deal found 11/6$617
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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 11/86:58 pmBOI - KOA
1 stop20h 05mAlaska Airlines
Sat 11/1512:22 pmKOA - BOI
1 stop20h 20mAlaska Airlines
Deal found 11/7$655
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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 12/236:08 amBOI - KOA
1 stop19h 22mAlaska Airlines
Sat 12/2710:08 pmKOA - BOI
1 stop21h 18mAlaska Airlines
Deal found 11/9$813
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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 11/810:04 amBOI - KOA
1 stop10h 40mAlaska Airlines
Sat 11/89:20 pmKOA - BOI
1 stop10h 09mAlaska Airlines
Deal found 11/7$828

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 November 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$282
(KAYAK)

One-way from

$185
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$532
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Kona Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Kona Intl flights.
Search Deals
From Idaho to Kona Intl
Search Deals
One-way flight from Idaho to Kona Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

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 November 9, 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

Tue 12/2

9:00 am-9:30 pm

1 stop14h 30m

Kona Intl

Tue 12/9

9:10 pm-8:52 am

1 stop9h 42m

$283

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Thu 12/4

7:15 am-9:30 pm

1 stop16h 15m

Kona Intl

Thu 12/11

9:10 pm-11:14 pm

1 stop24h 04m

$284

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 12/10

11:19 am-6:20 pm

1 stop9h 01m

Kona Intl

Mon 12/15

8:43 pm-10:39 am

1 stop11h 56m

$286

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Thu 12/11

6:05 am-7:30 pm

2 stops15h 25m

Kona Intl

Mon 12/15

8:43 pm-8:33 am

1 stop9h 50m

$291

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sat 1/24

1:55 pm-9:30 pm

1 stop10h 35m

Kona Intl

Thu 1/29

9:00 am-9:05 pm

1 stop9h 05m

$302

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Fri 1/9

6:23 am-9:30 pm

1 stop18h 07m

Kona Intl

Wed 1/14

9:10 pm-3:10 pm

1 stop15h 00m

$302

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 2/4

7:30 am-9:30 pm

1 stop16h 00m

Kona Intl

Tue 2/10

9:10 pm-12:44 pm

1 stop13h 34m

$302

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Thu 1/29

5:45 am-9:30 pm

1 stop17h 45m

Kona Intl

Mon 2/2

9:10 pm-9:25 am

1 stop10h 15m

$302

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sun 1/25

10:38 am-6:47 pm

1 stop11h 09m

Kona Intl

Sat 1/31

8:45 pm-9:57 am

1 stop10h 12m

$303

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sun 1/4

11:17 am-7:42 pm

1 stop11h 25m

Kona Intl

Thu 1/15

8:45 pm-9:57 am

1 stop10h 12m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 28 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, April is the cheapest month in which you can book a flight from Idaho to Kailua-Kona (average of $115). Flying from Idaho to Kailua-Kona in July is currently the most expensive (average of $390). 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 November 9, 2025.

When flying from Idaho to Kailua-Kona, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 49% versus a flight in the morning.

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 01m. 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, April is the cheapest month in which you can book a flight from Idaho to Kailua-Kona (average of $115). Flying from Idaho to Kailua-Kona in July is currently the most expensive (average of $390). 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 November 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$261Average$610FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$294Average$565FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$296Average$596FlexibilityNo cancel feeOn-time69%
DeltaCheapest$301Average$427FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$311Average$538FlexibilityNo cancel feeOn-time75%

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