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The Big Island

$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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KOA
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$318
(Delta)

One-way from

$162
(Delta)

Popular in

December

Cheapest in

September

Average price

$427
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.
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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. 6% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Delta deal was found by Cheapflights users on 4/30. 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 8/2010:38 amBOI - KOA
1 stop11h 00mDelta
Wed 8/209:45 pmKOA - BOI
1 stop8h 13mDelta
Deal found 4/30$318
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 9/36:35 amBOI - KOA
2 stops13h 35mAlaska Airlines
Fri 9/127:00 amKOA - BOI
2 stops11h 40mAlaska Airlines
Deal found 4/30$334
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/269:10 amGEG - KOA
1 stop11h 28mDelta
Tue 9/29:45 pmKOA - GEG
1 stop7h 47mDelta
Deal found 5/1$357
This Alaska Airlines deal was found by Cheapflights users on 5/1. 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 8/267:00 amGEG - KOA
1 stop10h 19mAlaska Airlines
Tue 9/27:13 pmKOA - GEG
2 stops14h 30mAlaska Airlines
Deal found 5/1$362
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/192:00 pmBOI - KOA
1 stop9h 46mUnited Airlines
Sun 5/2510:50 pmKOA - BOI
2 stops13h 09mUnited Airlines
Deal found 4/30$437
This Hawaiian Airlines deal was found by Cheapflights users on 4/30. 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.
Tue 7/153:10 pmBOI - KOA
1 stop10h 54mHawaiian Airlines
Thu 7/248:00 amKOA - BOI
1 stop10h 46mHawaiian Airlines
Deal found 4/30$461
This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sat 12/133:37 pmGEG - KOA
1 stop25h 13mAmerican Airlines
Sat 12/2010:28 pmKOA - GEG
1 stop22h 42mAmerican Airlines
Deal found 4/30$591
This Southwest deal was found by Cheapflights users on 4/30. 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.
Mon 5/1211:40 amBOI - KOA
2 stops10h 30mSouthwest
Mon 5/198:30 pmKOA - BOI
2 stops10h 40mSouthwest
Deal found 4/30$622
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 8/225:45 pmBOI - ITO
2 stops17h 12mAlaska Airlines
Thu 8/288:39 amITO - BOI
2 stops11h 20mAlaska Airlines
Deal found 4/30$679
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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 8/41:23 pmGEG - ITO
2 stops31h 15mAlaska Airlines
Sat 8/98:36 amITO - GEG
2 stops31h 14mAlaska Airlines
Deal found 4/30$710
This Southwest deal was found by Cheapflights users on 4/30. 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.
Mon 8/46:45 amGEG - KOA
1 stop8h 15mSouthwest
Sat 8/99:15 amKOA - GEG
1 stop8h 25mSouthwest
Deal found 4/30$758
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:00 amGEG - ITO
2 stops14h 57mUnited Airlines
Mon 5/197:55 pmITO - GEG
2 stops15h 46mUnited Airlines
Deal found 4/29$912

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 May 1, 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

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sun 5/18

8:46 am-5:31 pm

1 stop12h 45m

Kona Intl

Thu 5/22

9:39 pm-10:06 am

1 stop8h 27m

$323

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 8/26

9:10 am-5:38 pm

1 stop11h 28m

Kona Intl

Tue 9/2

9:45 pm-8:32 am

1 stop7h 47m

$357

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 8/26

7:00 am-2:19 pm

1 stop10h 19m

Kona Intl

Tue 9/2

7:13 pm-12:43 pm

2 stops14h 30m

$362

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 5/19

2:00 pm-7:46 pm

1 stop9h 46m

Kona Intl

Sun 5/25

10:50 pm-3:59 pm

2 stops13h 09m

$437

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sat 5/17

5:39 pm-10:15 pm

1 stop8h 36m

Kona Intl

Sat 5/24

9:00 pm-12:22 pm

2 stops11h 22m

$446

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Tue 7/15

3:10 pm-10:04 pm

1 stop10h 54m

Kona Intl

Thu 7/24

8:00 am-10:46 pm

1 stop10h 46m

$461

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 5/12

11:40 am-6:10 pm

2 stops10h 30m

Kona Intl

Mon 5/19

8:30 pm-11:10 am

2 stops10h 40m

$622

SpokaneHilo

GEG - ITO

GEGITO

Spokane

Mon 8/4

1:23 pm-5:38 pm

2 stops31h 15m

Hilo Intl

Sat 8/9

8:36 am-6:50 pm

2 stops31h 14m

$710

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Mon 8/4

6:45 am-12:00 pm

1 stop8h 15m

Kona Intl

Sat 8/9

9:15 am-8:40 pm

1 stop8h 25m

$758

SpokaneHilo

GEG - ITO

GEGITO

Spokane

Thu 5/15

6:00 am-5:57 pm

2 stops14h 57m

Hilo Intl

Mon 5/19

7:55 pm-2:41 pm

2 stops15h 46m

$912

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 21 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 May 1, 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.

Rainfall in The Big Island by month

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

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

Get insights into the airlines that provide service to The Big Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to The Big Island. Reviews last updated May 1, 2025.
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
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,408 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $162. Alaska Airlines flights start at $184 while deals on Hawaiian Airlines start at $260 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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Alternative routes for Idaho to The Big Island

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$259Average$530FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$261Average$578FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$294Average$547FlexibilityNo cancel feeOn-time63%
DeltaCheapest$309Average$423FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$322Average$545FlexibilityNo cancel feeOn-time69%

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