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The Big Island

$195+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KOA
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$379
(Delta)

One-way from

$190
(Delta)

Popular in

December

Cheapest in

September

Average price

$532
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 ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/311:45 amBOI - KOA
1 stop9h 49mDelta
Fri 9/129:30 pmKOA - BOI
1 stop8h 40mDelta
Deal found 7/31$379
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/295:00 amGEG - KOA
1 stop8h 09mHawaiian Airlines
Wed 11/58:45 amKOA - GEG
1 stop8h 09mHawaiian Airlines
Deal found 7/31$379
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 9/36:00 amBOI - KOA
1 stop10h 28mAlaska Airlines
Fri 9/126:00 pmKOA - BOI
2 stops12h 37mAlaska Airlines
Deal found 7/31$384
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 10/298:45 amGEG - KOA
2 stops14h 42mAlaska Airlines
Wed 11/51:03 pmKOA - GEG
1 stop8h 12mAlaska Airlines
Deal found 7/31$384
This Delta deal was found by Cheapflights users on 7/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:35 amGEG - KOA
2 stops14h 25mDelta
Wed 9/108:41 pmKOA - GEG
2 stops15h 08mDelta
Deal found 7/31$396
This Hawaiian Airlines deal was found by Cheapflights users on 7/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:07 amBOI - KOA
1 stop11h 12mHawaiian Airlines
Wed 9/248:00 amKOA - BOI
1 stop8h 06mHawaiian Airlines
Deal found 7/31$415
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Sun 10/267:35 amGEG - ITO
2 stops13h 05mAlaska Airlines
Fri 10/317:25 pmITO - GEG
2 stops11h 10mAlaska Airlines
Deal found 7/30$423
This Southwest deal was found by Cheapflights users on 7/30. 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.
Sat 8/236:00 amBOI - KOA
2 stops11h 05mSouthwest
Sun 8/318:30 pmKOA - BOI
2 stops11h 55mSouthwest
Deal found 7/30$565
This American Airlines deal was found by Cheapflights users on 7/30. 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 7/30$633
This Southwest deal was found by Cheapflights users on 7/30. 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.
Sat 12/136:00 amGEG - KOA
1 stop9h 10mSouthwest
Sat 12/2010:00 amKOA - GEG
2 stops13h 00mSouthwest
Deal found 7/30$778
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 11/277:00 amBOI - ITO
2 stops16h 28mAlaska Airlines
Mon 12/19:00 pmITO - BOI
2 stops20h 15mAlaska Airlines
Deal found 7/30$793
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 12/25:00 amGEG - ITO
3 stops17h 18mUnited Airlines
Thu 12/116:49 pmITO - GEG
2 stops14h 55mUnited Airlines
Deal found 7/30$1,010

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 July 31, 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

Wed 9/3

11:45 am-5:34 pm

1 stop9h 49m

Kona Intl

Fri 9/12

9:30 pm-10:10 am

1 stop8h 40m

$379

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 10/29

5:00 am-10:09 am

1 stop8h 09m

Kona Intl

Wed 11/5

8:45 am-6:54 pm

1 stop8h 09m

$379

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 9/3

6:00 am-12:28 pm

1 stop10h 28m

Kona Intl

Fri 9/12

6:00 pm-10:37 am

2 stops12h 37m

$384

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 10/29

8:45 am-8:27 pm

2 stops14h 42m

Kona Intl

Wed 11/5

1:03 pm-11:15 pm

1 stop8h 12m

$384

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Wed 10/29

7:15 am-7:23 pm

2 stops15h 08m

Kona Intl

Wed 11/5

9:30 pm-12:35 pm

2 stops13h 05m

$390

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Fri 9/19

7:07 am-2:19 pm

1 stop11h 12m

Kona Intl

Wed 9/24

8:00 am-8:06 pm

1 stop8h 06m

$415

SpokaneHilo

GEG - ITO

GEGITO

Spokane

Sun 10/26

7:35 am-5:40 pm

2 stops13h 05m

Hilo Intl

Fri 10/31

7:25 pm-9:35 am

2 stops11h 10m

$423

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 1/7

6:46 am-7:27 pm

2 stops15h 41m

Kona Intl

Tue 1/13

10:40 pm-4:56 pm

2 stops15h 16m

$489

BoiseHilo

BOI - ITO

BOIITO

Boise Air Term. Gowen Fld

Thu 11/27

7:00 am-8:28 pm

2 stops16h 28m

Hilo Intl

Mon 12/1

9:00 pm-8:15 pm

2 stops20h 15m

$793

SpokaneHilo

GEG - ITO

GEGITO

Spokane

Sun 9/7

12:35 pm-5:39 pm

2 stops32h 04m

Hilo Intl

Sun 9/14

7:47 am-11:27 am

3 stops48h 40m

$1,109

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 19 results
1
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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 July 31, 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.

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 July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Idaho to The Big Island. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 $190. Alaska Airlines flights start at $195 while deals on Southwest start at $322 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$259Average$526FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$261Average$610FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$294Average$569FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$296Average$528FlexibilityNo cancel feeOn-time69%
DeltaCheapest$300Average$420FlexibilityNo cancel feeOn-timeN/A

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