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Kailua-Kona

$194+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KOA
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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Cheap 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 January 22, 2026.

This Delta deal was found by Cheapflights users on 1/22. 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 3/510:41 am
BOI
-
KOA
1 stop11h 58m
Delta
Wed 3/118:55 pm
KOA
-
BOI
1 stop8h 59m
Delta
Deal found 1/22$306
This Delta deal was found by Cheapflights users on 1/20. 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 3/511:22 am
GEG
-
KOA
1 stop10h 17m
Delta
Thu 3/128:55 pm
KOA
-
GEG
1 stop8h 54m
Delta
Deal found 1/20$306
This Delta deal was found by Cheapflights users on 1/21. 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 2/257:27 am
GEG
-
KOA
2 stops13h 03m
Delta
Tue 3/39:55 pm
KOA
-
GEG
1 stop8h 45m
Delta
Deal found 1/21$312
This Delta deal was found by Cheapflights users on 1/21. 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 2/267:30 am
BOI
-
KOA
2 stops14h 00m
Delta
Sun 3/110:55 pm
KOA
-
BOI
2 stops16h 27m
Delta
Deal found 1/21$317
This Alaska Airlines deal was found by Cheapflights users on 1/22. 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 2/2812:00 pm
GEG
-
KOA
1 stop12h 57m
Alaska Airlines
Tue 5/199:25 pm
KOA
-
GEG
1 stop12h 27m
Alaska Airlines
Deal found 1/22$320
This Delta deal was found by Cheapflights users on 1/21. 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 4/1410:36 am
BOI
-
KOA
1 stop12h 19m
Delta
Tue 4/218:55 pm
KOA
-
BOI
1 stop12h 21m
Delta
Deal found 1/21$324
This Delta deal was found by Cheapflights users on 1/22. 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.
Sun 3/86:15 am
GEG
-
KOA
2 stops14h 32m
Delta
Sun 3/158:55 pm
KOA
-
GEG
1 stop8h 55m
Delta
Deal found 1/22$332
This Delta deal was found by Cheapflights users on 1/20. 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 3/116:15 am
GEG
-
KOA
2 stops14h 32m
Delta
Wed 3/188:55 pm
KOA
-
GEG
1 stop8h 55m
Delta
Deal found 1/20$340
This Delta deal was found by Cheapflights users on 1/21. 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 2/201:51 pm
BOI
-
KOA
1 stop8h 48m
Delta
Sat 2/289:55 pm
KOA
-
BOI
1 stop8h 55m
Delta
Deal found 1/21$346
This Delta deal was found by Cheapflights users on 1/22. 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 4/298:55 am
BOI
-
KOA
1 stop14h 00m
Delta
Sat 5/99:45 pm
KOA
-
BOI
1 stop10h 20m
Delta
Deal found 1/22$354
This Delta deal was found by Cheapflights users on 1/22. 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 5/41:07 pm
GEG
-
KOA
1 stop8h 48m
Delta
Tue 5/129:45 pm
KOA
-
GEG
1 stop12h 17m
Delta
Deal found 1/22$354
This Delta deal was found by Cheapflights users on 1/21. 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 3/611:22 am
GEG
-
KOA
1 stop10h 17m
Delta
Fri 3/138:55 pm
KOA
-
GEG
1 stop8h 54m
Delta
Deal found 1/21$358

Find 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 January 22, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$306
(Delta)

One-way from

$194
(Alaska Airlines)

Popular in

June

Cheapest in

August

Average price

$485
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 ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 22, 2026.
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

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Thu 3/5

10:41 am-7:39 pm

1 stop11h 58m

Kona Intl

Wed 3/11

8:55 pm-9:54 am

1 stop8h 59m

$306

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Thu 3/5

11:22 am-7:39 pm

1 stop10h 17m

Kona Intl

Thu 3/12

8:55 pm-8:49 am

1 stop8h 54m

$306

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 2/25

7:27 am-6:30 pm

2 stops13h 03m

Kona Intl

Tue 3/3

9:55 pm-8:40 am

1 stop8h 45m

$312

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Sat 2/28

12:00 pm-10:57 pm

1 stop12h 57m

Kona Intl

Tue 5/19

9:25 pm-12:52 pm

1 stop12h 27m

$320

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Tue 4/14

10:36 am-6:55 pm

1 stop12h 19m

Kona Intl

Tue 4/21

8:55 pm-1:16 pm

1 stop12h 21m

$324

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Mon 5/4

1:07 pm-6:55 pm

1 stop8h 48m

Kona Intl

Tue 5/12

9:45 pm-1:02 pm

1 stop12h 17m

$354

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Fri 3/6

11:22 am-7:39 pm

1 stop10h 17m

Kona Intl

Fri 3/13

8:55 pm-8:49 am

1 stop8h 54m

$358

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Tue 3/17

1:45 pm-6:38 pm

1 stop8h 53m

Kona Intl

Tue 3/24

10:15 pm-6:43 pm

2 stops16h 28m

$364

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Thu 5/7

9:10 am-5:51 pm

1 stop11h 41m

Kona Intl

Tue 5/12

9:45 pm-10:35 am

1 stop9h 50m

$374

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 3/18

1:45 pm-6:38 pm

1 stop8h 53m

Kona Intl

Wed 3/25

8:55 pm-9:55 am

1 stop9h 00m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 25 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 $242). Flying from Idaho to Kailua-Kona in July is currently the most expensive (average of $410). 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.

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 11h 58m. There are 2820 mi between Idaho and Kailua-Kona. Both multi-stop and nonstop flights can be found to your destination and back.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $170. Users have also found prices from $192 and $211 on Southwest and Alaska Airlines, respectively.

  • 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 $242). Flying from Idaho to Kailua-Kona in July is currently the most expensive (average of $410). 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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Alternative routes for Idaho to Kailua-Kona

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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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$424FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$261Average$610FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$296Average$596FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$354Average$558FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$379Average$609FlexibilityNo cancel feeOn-time63%

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