The Big Island

$198+ Cheap flights from Idaho to The Big Island

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KOA
Mar 5 — Mar 121
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Cheap flight deals from Idaho to The Big Island

Cheapest flights from Idaho to The Big Island
Explore the most affordable flight options available from Idaho to The Big Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:23 pm
GEG
-
KOA
1 stop11h 34m
Hawaiian Airlines
Mon 3/910:57 pm
KOA
-
GEG
1 stop11h 05m
Hawaiian Airlines
Deal found 2/1$364
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 4/137:40 am
BOI
-
KOA
1 stop29h 57m
Multiple Airlines
Mon 4/2011:59 am
KOA
-
BOI
1 stop23h 32m
Multiple Airlines
Deal found 2/3$367
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 4/137:40 am
BOI
-
KOA
1 stop29h 57m
Multiple Airlines
Wed 4/2212:32 pm
KOA
-
BOI
1 stop23h 43m
Multiple Airlines
Deal found 2/3$372
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 4/142:22 pm
BOI
-
KOA
2 stops24h 13m
Multiple Airlines
Mon 4/2011:59 am
KOA
-
BOI
1 stop23h 32m
Multiple Airlines
Deal found 2/3$373
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 4/142:22 pm
BOI
-
KOA
2 stops24h 13m
Multiple Airlines
Wed 4/2212:32 pm
KOA
-
BOI
1 stop23h 43m
Multiple Airlines
Deal found 2/3$378
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 4/287:41 pm
GEG
-
KOA
2 stops18h 16m
Multiple Airlines
Tue 5/192:36 pm
KOA
-
GEG
2 stops20h 40m
Multiple Airlines
Deal found 2/3$378
This Alaska Airlines deal was found by Cheapflights users on 1/31. 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 3/37:00 am
GEG
-
KOA
1 stop10h 53m
Alaska Airlines
Mon 3/1610:57 pm
KOA
-
GEG
1 stop11h 05m
Alaska Airlines
Deal found 1/31$382
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 4/152:22 pm
BOI
-
KOA
2 stops10h 04m
Multiple Airlines
Mon 4/2011:59 am
KOA
-
BOI
1 stop23h 32m
Multiple Airlines
Deal found 2/3$383
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:23 pm
GEG
-
KOA
1 stop11h 34m
Multiple Airlines
Mon 3/910:50 am
KOA
-
GEG
2 stops21h 16m
Multiple Airlines
Deal found 2/1$383
This Delta deal was found by Cheapflights users on 2/3. 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 4/147:05 am
BOI
-
KOA
1 stop14h 38m
Delta
Tue 4/218:50 pm
KOA
-
BOI
1 stop12h 21m
Delta
Deal found 2/3$384
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 4/207:40 am
BOI
-
KOA
1 stop29h 57m
Alaska Airlines
Mon 4/273:56 pm
KOA
-
BOI
2 stops19h 37m
Alaska Airlines
Deal found 2/2$385
This Alaska Airlines deal was found by Cheapflights users on 2/1. 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 4/149:02 am
BOI
-
KOA
1 stop28h 37m
Alaska Airlines
Tue 4/2110:07 pm
KOA
-
BOI
1 stop10h 28m
Alaska Airlines
Deal found 2/1$387

Find flight deals from Idaho to The Big Island

Keep the following information in mind while searching for Idaho to The Big Island flight deals. Data was last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$364
(Kiwi.com)

One-way from

$198
(Alaska Airlines)

Popular in

March

Cheapest in

August

Average price

$472
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Kona Intl flight deals.
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Kona Intl flights.
From Idaho to The Big Island
One-way flight from Idaho to The Big Island
Highest demand for flights based on searches. 5% potential increase in price ($27 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in February 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to The Big Island 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 February 3, 2026.
Use the filters below to find and compare flights from Idaho to The Big Island that are best for you.

Fly from

Idaho

Fly to

The Big Island

Route

Depart

Return

Price

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 4/20

7:40 am-9:37 am

1 stop29h 57m

Kona Intl

Mon 4/27

3:56 pm-10:24 pm

1 stop26h 28m

$372

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Tue 4/14

9:02 am-9:39 am

1 stop28h 37m

Kona Intl

Tue 4/21

10:07 pm-12:35 pm

1 stop10h 28m

$387

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 4/20

2:22 pm-10:16 pm

2 stops11h 54m

Kona Intl

Mon 4/27

3:56 pm-10:24 pm

1 stop26h 28m

$388

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 3/4

1:23 pm-10:57 pm

1 stop11h 34m

Kona Intl

Mon 3/16

10:57 pm-1:02 pm

1 stop11h 05m

$389

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Mon 3/9

7:00 am-2:53 pm

1 stop10h 53m

Kona Intl

Mon 3/16

10:57 pm-1:02 pm

1 stop11h 05m

$389

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 4/28

12:40 pm-12:16 pm

2 stops26h 36m

Kona Intl

Tue 5/19

2:36 pm-2:16 pm

2 stops20h 40m

$390

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 4/13

1:52 pm-7:03 pm

1 stop9h 11m

Kona Intl

Tue 4/21

8:50 pm-1:11 pm

1 stop12h 21m

$392

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sun 4/12

8:00 am-2:53 pm

1 stop10h 53m

Kona Intl

Tue 4/21

8:50 pm-1:11 pm

1 stop12h 21m

$392

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Mon 2/23

6:25 am-6:30 pm

1 stop14h 05m

Kona Intl

Tue 5/19

8:55 pm-10:25 am

1 stop10h 30m

$392

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Sat 2/28

6:23 pm-1:13 pm

1 stop20h 50m

Kona Intl

Tue 5/19

8:00 am-9:03 pm

1 stop10h 03m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 50 results
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Best time to book a flight from Idaho to The Big Island

Have a flexible travel schedule? Discover the best time to fly to The Big Island 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 The Big Island

What is the cheapest month to book a flight from Idaho to The Big Island?

Currently, October is the cheapest month in which you can book a flight from Idaho to The Big Island (average of $242). Flying from Idaho to The Big Island 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 The Big Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Idaho to The Big Island?

    There are many flights that can get you from Idaho to The Big Island in 9h 11m. Fly via Alaska Airlines, Delta, or Southwest to get the fastest option. The distance from Idaho to The Big Island is about 2820 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Idaho to The Big Island one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $170. Southwest flights start at $192 while deals on Alaska Airlines start at $198 one-way.

  • Can I find deals for flights from Idaho to The Big Island that include hotel bookings?

    Yes. In addition to deals on Idaho to The Big Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to The Big Island?

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

  • Can I find deals for business class flights from Idaho to The Big Island?

    Yes. Cheapflights offers flight deals from Idaho to The Big Island 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 The Big Island?

    Currently, October is the cheapest month in which you can book a flight from Idaho to The Big Island (average of $242). Flying from Idaho to The Big Island 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 The Big Island

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Idaho to The Big Island

Discover the top 5 airlines that operate flights from Idaho to The Big Island. 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$250Average$424FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$261Average$610FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$331Average$562FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$379Average$604FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$419Average$1,030FlexibilityNo cancel feeOn-time69%

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