How far in advance should I book a flight from Idaho to The Big Island?

To save up to 77% on this flight, we recommend booking at least 34 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Idaho to The Big Island from $377 1-2 weeks out and tickets from $558 for flights departing within the next 72 hours.

What is the cheapest month to fly from Idaho to The Big Island?

Our data shows that September tends to be the cheapest month to fly to The Big Island from Idaho. Users have commonly found prices around $502 for the month, but tickets can be as low as $259. Due to multiple factors, prepare for potentially higher prices in December.

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.

$162+ Flights from Idaho to The Big Island

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Cheap flight deals from Idaho to The Big Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$323 (Delta)
One-way from	$162 (Delta)
Popular in	December
Cheapest in	September
Average price	$460

Provider with most accurate pricing for Boise Air Term. Gowen Fld-Kona Intl flight deals.

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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. 8% potential increase in price ($46 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in April 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 April 4, 2025.

Wed 9/310:38 amBOI - KOA

1 stop11h 00mDelta

Fri 9/129:45 pmKOA - BOI

1 stop8h 16mDelta

Deal found 4/3

$323

Tue 5/67:26 amGEG - KOA

1 stop13h 13mDelta

Tue 5/139:39 pmKOA - GEG

1 stop7h 46mDelta

Deal found 4/4

$357

Sat 6/71:45 pmGEG - KOA

1 stop11h 30mAlaska Airlines

Tue 6/107:00 pmKOA - GEG

2 stops11h 06mAlaska Airlines

Deal found 4/3

$435

Sat 10/258:30 pmBOI - KOA

1 stop18h 54mAlaska Airlines

Sat 11/17:00 amKOA - BOI

2 stops12h 55mAlaska Airlines

Deal found 4/4

$447

Tue 5/275:39 pmBOI - KOA

1 stop8h 36mHawaiian Airlines

Wed 6/49:44 pmKOA - BOI

1 stop10h 38mHawaiian Airlines

Deal found 4/3

$488

Mon 4/75:15 amBOI - KOA

2 stops13h 30mSouthwest

Wed 4/98:10 amKOA - BOI

2 stops11h 45mSouthwest

Deal found 4/3

$603

Fri 12/123:37 pmGEG - KOA

1 stop25h 13mAmerican Airlines

Sat 12/208:45 pmKOA - GEG

1 stop24h 25mAmerican Airlines

Deal found 4/3

$621

Wed 7/211:05 amGEG - KOA

2 stops13h 20mSouthwest

Wed 7/910:00 amKOA - GEG

2 stops11h 05mSouthwest

Deal found 4/4

$656

Fri 4/189:50 amGEG - ITO

2 stops11h 20mSouthwest

Tue 4/226:00 amITO - GEG

2 stops14h 15mSouthwest

Deal found 4/3

$664

Thu 12/47:30 amBOI - ITO

2 stops12h 27mAlaska Airlines

Thu 12/115:30 pmITO - BOI

2 stops15h 34mAlaska Airlines

Deal found 4/3

$712

Thu 6/1910:45 amBOI - KOA

2 stops13h 18mUnited Airlines

Wed 6/2510:50 pmKOA - BOI

2 stops13h 05mUnited Airlines

Deal found 4/3

$719

Sat 6/144:47 pmGEG - ITO

2 stops17h 13mAlaska Airlines

Thu 6/199:00 pmITO - GEG

2 stops12h 28mAlaska Airlines

Deal found 4/3

$892

Best flights from Idaho to The Big Island
Discover carefully curated flight deals from Idaho to The Big Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 4, 2025.

Wed 9/310:38 amBOI - KOA

1 stop11h 00mDelta

Fri 9/129:45 pmKOA - BOI

1 stop8h 16mDelta

Deal found 4/3

$323

Sat 6/71:45 pmGEG - KOA

1 stop11h 30mAlaska Airlines

Tue 6/107:00 pmKOA - GEG

2 stops11h 06mAlaska Airlines

Deal found 4/3

$435

Tue 5/275:39 pmBOI - KOA

1 stop8h 36mHawaiian Airlines

Wed 6/49:44 pmKOA - BOI

1 stop10h 38mHawaiian Airlines

Deal found 4/3

$488

Wed 7/211:05 amGEG - KOA

2 stops13h 20mSouthwest

Wed 7/910:00 amKOA - GEG

2 stops11h 05mSouthwest

Deal found 4/4

$656

Tue 5/67:26 amGEG - KOA

1 stop13h 13mDelta

Tue 5/139:39 pmKOA - GEG

1 stop7h 46mDelta

Deal found 4/4

$357

Thu 6/1910:45 amBOI - KOA

2 stops13h 18mUnited Airlines

Wed 6/2510:50 pmKOA - BOI

2 stops13h 05mUnited Airlines

Deal found 4/3

$719

Thu 7/246:25 amBOI - KOA

1 stop11h 15mAlaska Airlines

Wed 7/307:56 pmKOA - BOI

2 stops15h 08mAlaska Airlines

Deal found 4/3

$447

Fri 4/189:50 amGEG - ITO

2 stops11h 20mSouthwest

Tue 4/226:00 amITO - GEG

2 stops14h 15mSouthwest

Deal found 4/3

$664

Fri 4/186:15 amGEG - ITO

2 stops14h 45mMultiple Airlines

Tue 4/227:19 pmITO - GEG

3 stops16h 17mMultiple Airlines

Deal found 4/3

$1,391

Mon 4/2111:40 amBOI - KOA

2 stops10h 30mSouthwest

Fri 4/258:10 amKOA - BOI

2 stops11h 45mSouthwest

Deal found 4/4

$688

Fri 4/182:47 pmBOI - ITO

2 stops22h 13mAlaska Airlines

Tue 4/229:15 pmITO - BOI

2 stops21h 40mAlaska Airlines

Deal found 4/3

$788

Sat 6/217:25 amGEG - KOA

1 stop14h 56mUnited Airlines

Sat 6/2810:50 pmKOA - GEG

1 stop12h 57mUnited Airlines

Deal found 4/3

$958

Last-minute flights from Idaho to The Big Island
Discover last-minute flight deals from Idaho to The Big Island. Data last updated April 4, 2025 and is based on user searches.

Thu 4/35:25 pmBOI - KOA

1 stop26h 10mUnited Airlines

Mon 4/711:03 pmKOA - BOI

1 stop8h 21mUnited Airlines

Deal found 4/3

$960

Mon 4/75:15 amBOI - KOA

2 stops13h 30mSouthwest

Wed 4/98:10 amKOA - BOI

2 stops11h 45mSouthwest

Deal found 4/3

$603

Wed 4/910:20 amGEG - ITO

2 stops10h 50mSouthwest

Wed 4/168:05 amITO - GEG

2 stops12h 10mSouthwest

Deal found 4/3

$679

Wed 4/96:27 amGEG - ITO

3 stops16h 43mMultiple Airlines

Wed 4/164:15 pmITO - GEG

2 stops18h 23mMultiple Airlines

Deal found 4/3

$1,364

Fri 4/189:50 amGEG - ITO

2 stops11h 20mSouthwest

Tue 4/226:00 amITO - GEG

2 stops14h 15mSouthwest

Deal found 4/3

$664

Fri 4/182:47 pmBOI - ITO

2 stops22h 13mAlaska Airlines

Tue 4/229:15 pmITO - BOI

2 stops21h 40mAlaska Airlines

Deal found 4/3

$788

Fri 4/186:37 amBOI - ITO

3 stops16h 33mMultiple Airlines

Tue 4/225:25 pmITO - BOI

2 stops15h 56mMultiple Airlines

Deal found 4/3

$1,445

Mon 4/2811:08 amGEG - KOA

2 stops14h 03mAlaska Airlines

Wed 5/710:09 amKOA - GEG

2 stops10h 50mAlaska Airlines

Deal found 4/3

$438

Thu 5/16:00 amGEG - KOA

1 stop16h 46mUnited Airlines

Thu 5/811:04 pmKOA - GEG

1 stop21h 34mUnited Airlines

Deal found 4/3

$2,125

Tue 5/610:40 amBOI - KOA

1 stop10h 59mDelta

Mon 5/129:39 pmKOA - BOI

1 stop11h 31mDelta

Deal found 4/2

$332

Tue 5/67:26 amGEG - KOA

1 stop13h 13mDelta

Tue 5/139:39 pmKOA - GEG

1 stop7h 46mDelta

Deal found 4/4

$357

Sat 5/177:00 amBOI - KOA

1 stop8h 45mAlaska Airlines

Sat 5/248:05 pmKOA - BOI

2 stops12h 17mAlaska Airlines

Deal found 4/4

$448

One-way flights from Idaho to The Big Island
Search for one-way flight options from Idaho to The Big Island. Find affordable one-way fares based on user searches. Data last updated April 4, 2025.

Wed 9/1710:38 amBOI - KOA

1 stop11h 06mDelta

Deal found 4/3

$162

Wed 5/281:40 pmGEG - KOA

1 stop11h 35mAlaska Airlines

Deal found 4/3

$179

Tue 9/236:00 amBOI - KOA

2 stops10h 24mAlaska Airlines

Deal found 4/3

$222

Sat 7/57:15 amGEG - KOA

1 stop13h 18mDelta

Deal found 4/3

$242

Tue 5/66:30 amBOI - ITO

2 stops17h 40mAlaska Airlines

Deal found 4/3

$276

Mon 4/147:30 amBOI - ITO

3 stops12h 15mMultiple Airlines

Deal found 4/3

$777

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho to The Big Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 9/3

10:38 am-5:38 pm

1 stop11h 00m

Kona Intl

Fri 9/12

9:45 pm-10:01 am

1 stop8h 16m

$323

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 5/6

7:26 am-5:39 pm

1 stop13h 13m

Kona Intl

Tue 5/13

9:39 pm-8:25 am

1 stop7h 46m

$357

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Sat 6/7

1:45 pm-10:15 pm

1 stop11h 30m

Kona Intl

Tue 6/10

7:00 pm-9:06 am

2 stops11h 06m

$435

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Thu 7/24

6:25 am-1:40 pm

1 stop11h 15m

Kona Intl

Wed 7/30

7:56 pm-3:04 pm

2 stops15h 08m

$447

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Tue 5/27

5:39 pm-10:15 pm

1 stop8h 36m

Kona Intl

Wed 6/4

9:44 pm-12:22 pm

1 stop10h 38m

$488

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 7/2

11:05 am-9:25 pm

2 stops13h 20m

Kona Intl

Wed 7/9

10:00 am-12:05 am

2 stops11h 05m

$656

SpokaneHilo

GEG - ITO

GEGITO

Spokane

Fri 4/18

9:50 am-6:10 pm

2 stops11h 20m

Hilo Intl

Tue 4/22

6:00 am-11:15 pm

2 stops14h 15m

$664

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 4/21

11:40 am-6:10 pm

2 stops10h 30m

Kona Intl

Fri 4/25

8:10 am-11:55 pm

2 stops11h 45m

$688

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Thu 6/19

10:45 am-8:03 pm

2 stops13h 18m

Kona Intl

Wed 6/25

10:50 pm-3:55 pm

2 stops13h 05m

$719

BoiseHilo

BOI - ITO

BOIITO

Boise Air Term. Gowen Fld

Fri 4/18

2:47 pm-9:00 am

2 stops22h 13m

Hilo Intl

Tue 4/22

9:15 pm-10:55 pm

2 stops21h 40m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 21 results

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?

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.

Rainfall in The Big Island by month

In terms of precipitation, rainfall in The Big Island ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit The Big Island when rainfall is around 1.6 in.

Temperature in The Big Island by month

If weather is an important factor for your trip to The Big Island, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

Reviews of airlines servicing The Big Island

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Idaho to The Big Island. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,836 reviews

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Southwest

8.0

Very good

4,276 reviews

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,897 reviews

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Hawaiian Airlines

7.9

Good

2,347 reviews

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,618 reviews

Alaska Airlines

8.0

Very good

9,836 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Idaho to The Big Island

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$259	Average$534	FlexibilityNo cancel fee	On-time75%
Hawaiian Airlines	Cheapest$261	Average$502	FlexibilityNo cancel fee	On-time85%
Southwest	Cheapest$294	Average$550	FlexibilityNo cancel fee	On-time63%
Delta	Cheapest$314	Average$426	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$322	Average$642	FlexibilityNo cancel fee	On-time69%

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$162+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.

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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 April 4, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Idaho to The Big Island

Cheapest flights from Idaho to The Big IslandExplore 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 April 4, 2025.

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 April 4, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Idaho to The Big Island that are best for you.

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.

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?

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 April 4, 2025.

Rainfall in The Big Island by month

Plan your trip to The Big Island by taking into account the average rainfall totals by month.

Temperature in The Big Island by month

Plan your trip to The Big Island by taking into account the average temperature totals by month.

Reviews of airlines servicing The Big Island

Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Idaho to The Big Island. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.

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

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

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

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

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.

Top 5 airlines flying from Idaho to The Big Island

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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 April 4, 2025.