HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
The Big Island

$159+ 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
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to The Big Island with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 18, 2025.

This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:50 amBOI - KOA
1 stop12h 58mDelta
Sun 1/117:55 pmKOA - BOI
1 stop11h 29mDelta
Deal found 12/15$561
This Southwest deal was found by Cheapflights users on 12/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:50 amBOI - KOA
2 stops14h 20mSouthwest
Sun 1/119:25 pmKOA - BOI
2 stops10h 45mSouthwest
Deal found 12/15$611
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:50 amBOI - KOA
2 stops16h 40mDelta
Tue 12/238:55 pmKOA - BOI
1 stop12h 07mDelta
Deal found 12/15$693
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 12/166:03 amBOI - KOA
2 stops13h 04mMultiple Airlines
Thu 12/1811:45 amKOA - BOI
1 stop8h 52mMultiple Airlines
Deal found 12/15$698
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/175:50 amBOI - KOA
2 stops16h 40mDelta
Wed 12/247:10 pmKOA - BOI
2 stops16h 39mDelta
Deal found 12/15$699
This Delta deal was found by Cheapflights users on 12/17. 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 12/185:50 amBOI - KOA
2 stops16h 33mDelta
Thu 12/259:55 pmKOA - BOI
1 stop9h 25mDelta
Deal found 12/17$718
This Alaska Airlines deal was found by Cheapflights users on 12/18. 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 12/185:30 amGEG - KOA
1 stop9h 55mAlaska Airlines
Wed 12/2411:35 pmKOA - GEG
1 stop7h 48mAlaska Airlines
Deal found 12/18$718
This Delta deal was found by Cheapflights users on 12/17. 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 12/185:50 amBOI - KOA
2 stops16h 40mDelta
Wed 12/249:55 pmKOA - BOI
1 stop9h 25mDelta
Deal found 12/17$719
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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.
Wed 12/178:55 amBOI - KOA
1 stop11h 27mAlaska Airlines
Fri 12/191:05 pmKOA - BOI
1 stop7h 52mAlaska Airlines
Deal found 12/15$723
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 12/185:30 amGEG - KOA
1 stop9h 55mMultiple Airlines
Wed 12/247:10 pmKOA - GEG
2 stops12h 13mMultiple Airlines
Deal found 12/17$723
This Alaska Airlines deal was found by Cheapflights users on 12/15. 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 12/166:03 amBOI - KOA
2 stops13h 04mMultiple Airlines
Fri 12/191:05 pmKOA - BOI
1 stop7h 52mMultiple Airlines
Deal found 12/15$728
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:30 amGEG - KOA
1 stop12h 08mAmerican Airlines
Sun 1/410:55 pmKOA - GEG
1 stop12h 41mAmerican Airlines
Deal found 12/16$1,121

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$303
(Delta)

One-way from

$159
(Delta)

Popular in

June

Cheapest in

August

Average price

$551
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 The Big Island
Search Deals
One-way flight from Idaho to The Big Island
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 3/10

1:40 pm-6:37 pm

1 stop7h 57m

Kona Intl

Wed 3/18

8:55 pm-8:48 am

1 stop8h 53m

$303

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Mon 1/26

11:25 am-6:47 pm

1 stop9h 22m

Kona Intl

Tue 2/3

9:55 pm-10:39 am

1 stop10h 44m

$303

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Mon 3/9

1:40 pm-6:37 pm

1 stop7h 57m

Kona Intl

Thu 3/19

8:55 pm-11:00 am

1 stop11h 05m

$303

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 1/19

9:15 am-6:47 pm

1 stop12h 32m

Kona Intl

Mon 1/26

8:45 pm-9:57 am

1 stop10h 12m

$306

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 3/4

11:20 am-7:34 pm

1 stop10h 14m

Kona Intl

Tue 3/10

8:55 pm-8:47 am

1 stop8h 52m

$306

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 1/27

9:20 am-6:47 pm

1 stop11h 27m

Kona Intl

Thu 2/5

9:55 pm-8:40 am

1 stop8h 45m

$306

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sat 1/24

6:00 am-6:10 pm

2 stops15h 10m

Kona Intl

Tue 1/27

10:00 am-10:15 pm

1 stop9h 15m

$322

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Fri 2/6

5:30 am-6:10 pm

2 stops15h 40m

Kona Intl

Wed 2/11

10:00 am-10:15 pm

1 stop9h 15m

$322

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Fri 2/6

6:23 am-9:30 pm

1 stop18h 07m

Kona Intl

Wed 2/11

9:10 pm-10:40 pm

1 stop22h 30m

$323

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 3/11

1:40 pm-6:37 pm

1 stop7h 57m

Kona Intl

Wed 3/18

8:55 pm-8:48 am

1 stop8h 53m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 49 results
1
2
3
...
5

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, April is the cheapest month in which you can book a flight from Idaho to The Big Island (average of $115). Flying from Idaho to The Big Island in November is currently the most expensive (average of $409). 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 December 18, 2025.

It’s typically best to fly out from Idaho to The Big Island in the evening. Doing so could potentially save you 50% on the flight price compared to flying in the morning, which is usually more expensive.

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 7h 57m. Fly via Delta, Southwest, or Alaska 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 Delta, which is currently one of the cheapest options available, starting at $161. Southwest flights start at $192 while deals on Hawaiian Airlines start at $195 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, April is the cheapest month in which you can book a flight from Idaho to The Big Island (average of $115). Flying from Idaho to The Big Island in November is currently the most expensive (average of $409). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to The Big Island

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Honolulu flights
San Francisco to Honolulu flights
Seattle to Honolulu flights
John F Kennedy Intl to Honolulu flights
Seattle to Kahului flights
San Francisco to Kahului flights
Los Angeles to Kahului flights
O'Hare Intl to Honolulu flights
Newark to Honolulu flights
San Diego to Honolulu flights
San Francisco to Kailua-Kona flights
Los Angeles to Kailua-Kona flights
San Francisco to Lihue flights
Minneapolis to Honolulu flights
Dulles Intl to Honolulu flights
Seattle to Kailua-Kona flights
Dallas/Fort Worth to Honolulu flights
San Jose to Honolulu flights
Seattle to Lihue flights
Los Angeles to Lihue flights
Portland to Honolulu flights
Denver to Honolulu flights
Sky Harbor Intl to Honolulu flights
Sacramento to Honolulu flights
Salt Lake City to Honolulu flights
Atlanta to Honolulu flights
O'Hare Intl to Kahului flights
Boston to Honolulu flights
Oakland to Honolulu flights
Hobby to Honolulu flights
Denver to Kahului flights
LaGuardia to Honolulu flights
Las Vegas to Honolulu flights
Detroit to Honolulu flights
Portland to Kahului flights
San Jose to Kahului flights
Long Beach to Honolulu flights
Baltimore to Honolulu flights
George Bush Intcntl to Honolulu flights
Denver to Kailua-Kona flights
Minneapolis to Kahului flights
Denver to Lihue flights
Salt Lake City to Kahului flights
Ontario to Honolulu flights
Reagan-National to Honolulu flights
Sacramento to Kahului flights
Oakland to Kahului flights
Portland to Kailua-Kona flights
John F Kennedy Intl to Kahului flights
San Diego to Kahului flights

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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$261Average$610FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$296Average$446FlexibilityNo cancel feeOn-time69%
DeltaCheapest$301Average$425FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$322Average$557FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$379Average$603FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.