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The Big Island

$205+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KOA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 September 15, 2025.

Round-trip from

$409
(Alaska Airlines)

One-way from

$205
(Alaska Airlines)

Popular in

December

Cheapest in

August

Average price

$401
From Idaho to The Big Island
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One-way flight from Idaho to The Big Island
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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 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 September 15, 2025.

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.
Sat 9/278:27 pmBOI - KOA
1 stop18h 20mAlaska Airlines
Wed 10/111:47 amKOA - BOI
1 stop8h 21mAlaska Airlines
Deal found 9/13$427
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 12/37:25 pmGEG - ITO
2 stops22h 40mAlaska Airlines
Wed 12/105:59 pmITO - GEG
2 stops12h 38mAlaska Airlines
Deal found 9/13$429
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 11/1210:05 amBOI - KOA
2 stops14h 35mAlaska Airlines
Tue 11/186:55 pmKOA - BOI
2 stops12h 34mAlaska Airlines
Deal found 9/13$430
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.
Tue 12/29:59 amBOI - KOA
1 stop27h 41mAlaska Airlines
Thu 12/49:00 amKOA - BOI
1 stop10h 56mAlaska Airlines
Deal found 9/13$434
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 11/187:00 amGEG - KOA
1 stop9h 43mAlaska Airlines
Tue 11/251:40 pmKOA - GEG
1 stop32h 19mAlaska Airlines
Deal found 9/15$434
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 11/510:05 amBOI - ITO
2 stops15h 17mAlaska Airlines
Tue 11/117:43 pmITO - BOI
2 stops19h 19mAlaska Airlines
Deal found 9/12$435
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.
Thu 11/1311:43 amBOI - KOA
1 stop12h 57mAlaska Airlines
Wed 11/198:45 amKOA - BOI
1 stop10h 35mAlaska Airlines
Deal found 9/13$439
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. 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 10/297:00 amGEG - KOA
1 stop9h 43mHawaiian Airlines
Wed 11/512:09 pmKOA - GEG
1 stop9h 47mHawaiian Airlines
Deal found 9/15$439
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.
Tue 11/187:01 amBOI - KOA
1 stop10h 42mAlaska Airlines
Tue 11/189:20 pmKOA - BOI
1 stop10h 09mAlaska Airlines
Deal found 9/13$440

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 September 15, 2025.
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

BoiseHilo

BOI - ITO

BOIITO

Boise Air Term. Gowen Fld

Mon 3/2

7:00 am-5:00 pm

2 stops13h 00m

Hilo Intl

Tue 3/3

9:47 am-9:26 am

2 stops20h 39m

$404

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 11/12

8:50 am-5:44 pm

1 stop11h 54m

Kona Intl

Wed 11/19

8:45 am-10:20 pm

1 stop10h 35m

$420

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 10/22

7:40 am-5:30 pm

1 stop13h 50m

Kona Intl

Sat 11/1

9:30 pm-2:20 pm

1 stop12h 50m

$423

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sun 10/26

9:59 am-9:43 am

1 stop27h 44m

Kona Intl

Mon 11/3

12:42 pm-11:42 am

1 stop20h 00m

$423

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sat 9/27

8:27 pm-10:47 am

1 stop18h 20m

Kona Intl

Wed 10/1

11:47 am-12:08 am

1 stop8h 21m

$427

SpokaneHilo

GEG - ITO

GEGITO

Spokane

Wed 12/3

7:25 pm-4:05 pm

2 stops22h 40m

Hilo Intl

Wed 12/10

5:59 pm-8:37 am

2 stops12h 38m

$429

BoiseHilo

BOI - ITO

BOIITO

Boise Air Term. Gowen Fld

Wed 11/5

10:05 am-10:22 pm

2 stops15h 17m

Hilo Intl

Tue 11/11

7:43 pm-6:02 pm

2 stops19h 19m

$435

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 10/29

7:00 am-1:43 pm

1 stop9h 43m

Kona Intl

Wed 11/5

8:45 am-9:14 pm

1 stop10h 29m

$439

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Thu 11/13

11:43 am-9:40 pm

1 stop12h 57m

Kona Intl

Wed 11/19

8:45 am-10:20 pm

1 stop10h 35m

$439

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Thu 11/13

8:50 am-9:40 pm

1 stop15h 50m

Kona Intl

Tue 11/18

9:20 pm-3:12 pm

1 stop14h 52m

$439

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 35 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 $409). Flying from Idaho to The Big Island 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 FUI?

Find hourly flight availability from Idaho to The Big Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

When flying from Idaho to The Big Island, 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 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 43m. Fly via Alaska Airlines, Delta, or Hawaiian Airlines to get the fastest option. The distance from Idaho to The Big Island is about 2883 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $205. Hawaiian Airlines flights start at $230 while deals on American Airlines start at $240 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 $409). Flying from Idaho to The Big Island 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 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 September 15, 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$560FlexibilityNo cancel feeOn-time75%
DeltaCheapest$298Average$427FlexibilityNo cancel feeOn-timeN/A

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