Cheap flights from Idaho to The Big Island from $191

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to The Big Island departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Idaho to The Big Island

Cheap round-trip flights

Alaska Airlines Logo
6:35 am - 11:16 amBOI-KOA
8h 41m1 stop
Alaska Airlines Logo
10:27 am - 11:43 pmKOA-BOI
9h 16m1 stop
$379Alaska Airlines
Find Deal
Wed, Sep 3 - Fri, Sep 12
Delta Logo
9:15 am - 5:34 pmGEG-KOA
11h 19m1 stop
Delta Logo
9:30 pm - 8:35 amKOA-GEG
8h 05m1 stop
$379Delta
Find Deal
Sun, Sep 7 - Wed, Sep 10
American Airlines Logo
6:46 am - 7:27 pmBOI-KOA
15h 41m2 stops
American Airlines Logo
10:40 pm - 1:15 pmKOA-BOI
11h 35m2 stops
$390American Airlines
Find Deal
Wed, Feb 4 - Wed, Feb 11
Hawaiian Airlines Logo
4:35 pm - 10:09 pmGEG-KOA
8h 34m1 stop
Hawaiian Airlines Logo
9:32 pm - 9:00 amKOA-GEG
8h 28m1 stop
$391Hawaiian Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
Hawaiian Airlines Logo
7:07 am - 2:19 pmBOI-KOA
11h 12m1 stop
Hawaiian Airlines Logo
8:00 am - 8:06 pmKOA-BOI
8h 06m1 stop
$415Hawaiian Airlines
Find Deal
Fri, Sep 19 - Wed, Sep 24
Southwest Logo
5:00 am - 12:45 pmGEG-KOA
9h 45m1 stop
Southwest Logo
9:15 pm - 11:55 amKOA-GEG
12h 40m1 stop
$432Southwest
Find Deal
Thu, Nov 6 - Tue, Nov 11
American Airlines Logo
6:46 am - 7:27 pmBOI-KOA
15h 41m2 stops
American Airlines Logo
10:28 pm - 1:22 pmKOA-BOI
11h 54m1 stop
$436American Airlines
Find Deal
Wed, Jan 7 - Tue, Jan 13
Southwest Logo
9:30 am - 6:10 pmGEG-KOA
10h 40m2 stops
Southwest Logo
9:15 pm - 3:45 pmKOA-GEG
16h 30m2 stops
$591Southwest
Find Deal
Fri, Nov 28 - Sat, Dec 13
 Logo
6:46 am - 7:18 pmBOI-ITO
15h 32m3 stops
 Logo
6:49 pm - 1:22 pmITO-BOI
15h 33m2 stops
$1,044
Find Deal
Mon, Feb 2 - Thu, Feb 5
 Logo
6:46 am - 7:18 pmBOI-ITO
15h 32m3 stops
 Logo
6:49 pm - 1:22 pmITO-BOI
15h 33m2 stops
$1,060
Find Deal
Tue, Jan 27 - Fri, Feb 6

Alaska Airlines flights from Idaho to The Big Island

Our best Alaska Airlines deals on Idaho to The Big Island flight tickets
Alaska Airlines
Sep 3
BOI6:35 amBoise Air Term. Gowen Fld
8h 41m
1 stop
KOA11:16 amKona Intl
Sep 12
KOA10:27 amKona Intl
9h 16m
1 stop
BOI11:43 pmBoise Air Term. Gowen Fld
Alaska Airlines
Sep 4
GEG4:35 pmSpokane
8h 34m
1 stop
KOA10:09 pmKona Intl
Sep 5
KOA8:00 amKona Intl
7h 50m
1 stop
GEG6:50 pmSpokane
Alaska Airlines
Sep 23
BOI6:35 amBoise Air Term. Gowen Fld
13h 16m
2 stops
KOA3:51 pmKona Intl
Oct 3
KOA11:47 amKona Intl
8h 21m
1 stop
BOI12:08 amBoise Air Term. Gowen Fld

Hawaiian Airlines flights from Idaho to The Big Island

Our best Hawaiian Airlines deals on Idaho to The Big Island flight tickets
Hawaiian Airlines
Sep 4
GEG4:35 pmSpokane
8h 34m
1 stop
KOA10:09 pmKona Intl
Sep 8
KOA9:32 pmKona Intl
8h 28m
1 stop
GEG9:00 amSpokane
Hawaiian Airlines
Sep 5
GEG5:06 amSpokane
10h 22m
1 stop
KOA12:28 pmKona Intl
Sep 10
KOA12:16 pmKona Intl
7h 55m
1 stop
GEG11:11 pmSpokane
Hawaiian Airlines
Oct 21
GEG1:31 pmSpokane
11h 09m
1 stop
KOA9:40 pmKona Intl
Oct 31
KOA11:09 amKona Intl
9h 47m
1 stop
GEG11:56 pmSpokane

momondo 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, momondo users made 832,500 searches. Data last updated August 16, 2025.
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

6:35 am-11:16 am

1 stop8h 41m

Kona Intl

Fri 9/12

10:27 am-11:43 pm

1 stop9h 16m

$379

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Sun 9/7

9:15 am-5:34 pm

1 stop11h 19m

Kona Intl

Wed 9/10

9:30 pm-8:35 am

1 stop8h 05m

$379

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 2/4

6:46 am-7:27 pm

2 stops15h 41m

Kona Intl

Wed 2/11

10:40 pm-1:15 pm

2 stops11h 35m

$390

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Thu 9/4

4:35 pm-10:09 pm

1 stop8h 34m

Kona Intl

Mon 9/8

9:32 pm-9:00 am

1 stop8h 28m

$391

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

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Thu 11/6

5:00 am-12:45 pm

1 stop9h 45m

Kona Intl

Tue 11/11

9:15 pm-11:55 am

1 stop12h 40m

$432

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

10:28 pm-1:22 pm

1 stop11h 54m

$436

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Fri 11/28

9:30 am-6:10 pm

2 stops10h 40m

Kona Intl

Sat 12/13

9:15 pm-3:45 pm

2 stops16h 30m

$591

BoiseHilo

BOI - ITO

BOIITO

Boise Air Term. Gowen Fld

Mon 2/2

6:46 am-7:18 pm

3 stops15h 32m

Hilo Intl

Thu 2/5

6:49 pm-1:22 pm

2 stops15h 33m

$1,044

BoiseHilo

BOI - ITO

BOIITO

Boise Air Term. Gowen Fld

Tue 1/27

6:46 am-7:18 pm

3 stops15h 32m

Hilo Intl

Fri 2/6

6:49 pm-1:22 pm

2 stops15h 33m

$1,060

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to The Big Island from

How to get the cheapest flight ticket from Idaho to The Big Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The month of September is, on average, the cheapest month to fly to The Big Island from Idaho, with most prices found around $361. If you’re not able to fly to The Big Island in September, then August is your next best option. Flight prices from Idaho to The Big Island during August average around $389.

What is the cheapest day to depart on your flight to The Big Island?

The cheapest day to depart from Idaho to The Big Island is on a Thursday when prices can be found for as low as $429. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Idaho to The Big Island for around $589.

What is the cheapest time of day to depart on your flight to The Big Island?

The cheapest time of day to fly to The Big Island is at noon when flights can be purchased for as low as $358. Flights to The Big Island are more costly in the afternoon, with an average ticket price of $540. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to The Big Island from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to The Big Island for around $470 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to The Big Island from Idaho for as low as $359 on momondo.

Can stopping save me money on Idaho to The Big Island flights?

No. A direct flight is the cheapest option for a flight between Idaho to The Big Island.

Cheap Idaho to The Big Island flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to The Big Island

Best Price Found

$191

Fastest flight time

8h 34m

Direct flights

None

Airports in The Big Island

2 airports
The best one-way flight to The Big Island from Idaho in the past 72 hours is $191. The best round-trip flight deal from Idaho to The Big Island found on momondo in the last 72 hours is $379.
The fastest flight from Idaho to The Big Island takes 8h 34m
There are no direct flights from Idaho to The Big Island. Popular non-direct routes for this connection are Spokane Airport - Kona Intl Airport, Boise Air Term. Gowen Fld Airport - Hilo Intl Airport and Boise Air Term. Gowen Fld Airport - Kona Intl Airport.
There are 2 airports near The Big Island: Hilo Intl (ITO), Kona Intl (KOA)
  • When did momondo last update prices for flights from Idaho to The Big Island?

    Prices for flights from Idaho to The Big Island are updated daily.

  • How many operators does momondo search for flights from Idaho to The Big Island?

  • How old do you have to be to fly from Idaho to The Big Island?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to The Big Island.

  • What documentation or ID do you need to fly to The Big Island?

    The travel and health documents you'll need for your trip to The Big Island may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at The Big Island. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Idaho to The Big Island?

Best airlines flying from Idaho to The Big Island

Compare and see reviews for airlines that fly from Idaho to The Big Island with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $259Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $261Free CancellationRating
7.8
2,657 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $294Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
DeltaPriceFrom $299Free CancellationRating
8.0
7,985 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to The Big Island?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to The Big Island for you.

Can I find flights from Idaho to The Big Island with flexible booking policies on momondo?

momondo does allow users to show only those flights to The Big Island from Idaho which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Idaho to The Big Island?

Once all potential Idaho to The Big Island flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Idaho to The Big Island right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to The Big Island flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Thu 8/21
Thu 8/28

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