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The Big Island

$201+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — KOA
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$335
(Delta)

One-way from

$201
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$545
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. 8% potential increase in price ($45 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 June 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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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.
jue. 9/411:45 amBOI - KOA
1 stop9h 49mDelta
mar. 9/99:47 pmKOA - BOI
1 stop11h 19mDelta
Deal found 6/11$335
This Delta deal was found by Cheapflights users on 6/11. 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.
mar. 8/197:35 amGEG - KOA
1 stop12h 59mDelta
mar. 8/269:47 pmKOA - GEG
1 stop9h 47mDelta
Deal found 6/11$335
This American Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 9/46:35 amBOI - KOA
1 stop11h 50mAmerican Airlines
mar. 9/99:55 pmKOA - BOI
1 stop11h 18mAmerican Airlines
Deal found 6/10$401
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 9/47:00 amBOI - KOA
2 stops13h 43mAlaska Airlines
mar. 9/912:16 pmKOA - BOI
1 stop7h 43mAlaska Airlines
Deal found 6/10$406
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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.
mar. 8/2612:10 pmGEG - KOA
2 stops13h 03mAlaska Airlines
mar. 9/29:00 pmKOA - GEG
2 stops11h 30mAlaska Airlines
Deal found 6/9$412
This Southwest deal was found by Cheapflights users on 6/11. 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.
jue. 9/117:45 amBOI - KOA
1 stop9h 20mSouthwest
jue. 9/186:05 amKOA - BOI
2 stops13h 00mSouthwest
Deal found 6/11$418
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 10/227:00 amGEG - ITO
2 stops15h 19mAlaska Airlines
mar. 10/285:25 pmITO - GEG
2 stops16h 42mAlaska Airlines
Deal found 6/12$438
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
mar. 10/147:21 amBOI - ITO
2 stops15h 58mAlaska Airlines
lun. 10/207:45 amITO - BOI
2 stops22h 54mAlaska Airlines
Deal found 6/11$467
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
mar. 7/153:10 pmBOI - KOA
1 stop10h 54mHawaiian Airlines
jue. 7/248:00 amKOA - BOI
1 stop10h 46mHawaiian Airlines
Deal found 6/10$531
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 11/131:38 pmGEG - KOA
1 stop10h 02mHawaiian Airlines
sáb. 11/228:00 amKOA - GEG
1 stop7h 49mHawaiian Airlines
Deal found 6/10$547
This United Airlines deal was found by Cheapflights users on 6/9. 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.
mar. 6/1710:45 amBOI - KOA
2 stops13h 18mUnited Airlines
jue. 6/2610:50 pmKOA - BOI
1 stop13h 50mUnited Airlines
Deal found 6/9$692
This Southwest deal was found by Cheapflights users on 6/10. 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.
sáb. 12/136:00 amGEG - KOA
1 stop9h 10mSouthwest
sáb. 12/2010:00 amKOA - GEG
2 stops13h 00mSouthwest
Deal found 6/10$738

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 junio 12, 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

jue. 9/4

11:45 am-5:34 pm

1 stop9h 49m

Kona Intl

mar. 9/9

9:47 pm-1:06 pm

1 stop11h 19m

$335

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

mar. 8/19

7:35 am-5:34 pm

1 stop12h 59m

Kona Intl

mar. 8/26

9:47 pm-10:34 am

1 stop9h 47m

$335

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

jue. 9/4

6:35 am-2:25 pm

1 stop11h 50m

Kona Intl

mar. 9/9

9:55 pm-1:13 pm

1 stop11h 18m

$401

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

jue. 9/4

7:00 am-4:43 pm

2 stops13h 43m

Kona Intl

mar. 9/9

12:16 pm-11:59 pm

1 stop7h 43m

$406

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

mar. 8/26

12:10 pm-10:13 pm

2 stops13h 03m

Kona Intl

mar. 9/2

9:00 pm-11:30 am

2 stops11h 30m

$412

SpokaneHilo

GEG - ITO

GEGITO

Spokane

mié. 10/22

7:00 am-7:19 pm

2 stops15h 19m

Hilo Intl

mar. 10/28

5:25 pm-1:07 pm

2 stops16h 42m

$438

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

mié. 8/27

7:25 am-1:05 pm

1 stop9h 40m

Kona Intl

sáb. 8/30

9:15 am-9:15 pm

1 stop8h 00m

$456

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

mar. 7/15

3:10 pm-10:04 pm

1 stop10h 54m

Kona Intl

jue. 7/24

8:00 am-10:46 pm

1 stop10h 46m

$531

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

jue. 11/13

1:38 pm-9:40 pm

1 stop10h 02m

Kona Intl

sáb. 11/22

8:00 am-5:49 pm

1 stop7h 49m

$547

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

mar. 6/17

10:45 am-8:03 pm

2 stops13h 18m

Kona Intl

jue. 6/26

10:50 pm-4:40 pm

1 stop13h 50m

$692

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 27 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 junio 12, 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 junio 12, 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
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

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 American Airlines, which is currently one of the cheapest options available, starting at $201. Alaska Airlines flights start at $206 while deals on Delta start at $301 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$259Average$552FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$261Average$631FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$294Average$562FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$296Average$545FlexibilityNo cancel feeOn-time69%
DeltaCheapest$301Average$418FlexibilityNo cancel feeOn-timeN/A

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