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Cheap flights from Idaho to The Big Island from $198

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 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to The Big Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 10:57 am
BOI
-
KOA
7h 57m
1 stop
Multiple Airlines Logo
12:32 pm - 4:15 pm
KOA
-
BOI
23h 43m
1 stop
$364Multiple Airlines
Mon, Apr 27 - Mon, May 4
Multiple Airlines Logo
7:40 am - 9:37 am
BOI
-
KOA
29h 57m
1 stop
Multiple Airlines Logo
11:59 am - 3:31 pm
KOA
-
BOI
23h 32m
1 stop
$367Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
6:04 pm - 9:37 am
BOI
-
KOA
19h 33m
2 stops
Multiple Airlines Logo
11:59 am - 3:31 pm
KOA
-
BOI
23h 32m
1 stop
$370Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Multiple Airlines Logo
7:40 am - 9:37 am
BOI
-
KOA
29h 57m
1 stop
Multiple Airlines Logo
12:32 pm - 4:15 pm
KOA
-
BOI
23h 43m
1 stop
$372Multiple Airlines
Mon, Apr 13 - Wed, Apr 22
Multiple Airlines Logo
2:22 pm - 10:35 am
BOI
-
KOA
24h 13m
2 stops
Multiple Airlines Logo
11:59 am - 3:31 pm
KOA
-
BOI
23h 32m
1 stop
$373Multiple Airlines
Tue, Apr 14 - Mon, Apr 20
Alaska Airlines Logo
12:00 pm - 10:57 pm
GEG
-
KOA
12h 57m
1 stop
Alaska Airlines Logo
10:57 pm - 1:02 pm
KOA
-
GEG
11h 05m
1 stop
$384Alaska Airlines
Mon, Mar 2 - Mon, Mar 9
Alaska Airlines Logo
7:19 am - 2:59 pm
GEG
-
KOA
10h 40m
1 stop
Alaska Airlines Logo
8:00 am - 9:31 pm
KOA
-
GEG
10h 31m
1 stop
$385Alaska Airlines
Tue, Apr 21 - Thu, Apr 30
Delta Logo
11:25 am - 7:03 pm
GEG
-
KOA
10h 38m
1 stop
Delta Logo
8:55 pm - 8:52 am
KOA
-
GEG
8h 57m
1 stop
$392Delta
Tue, Apr 28 - Tue, May 19
Southwest Logo
9:20 am - 9:40 pm
GEG
-
ITO
14h 20m
2 stops
Southwest Logo
6:55 pm - 11:45 am
ITO
-
GEG
13h 50m
2 stops
$403Southwest
Wed, Mar 4 - Wed, Mar 11
Southwest Logo
10:55 am - 9:40 pm
BOI
-
ITO
13h 45m
2 stops
Southwest Logo
9:00 am - 12:15 am
ITO
-
BOI
12h 15m
2 stops
$421Southwest
Sun, Mar 1 - Thu, Mar 5

Alaska Airlines flights from Idaho to The Big Island

Our best Alaska Airlines deals on Idaho to The Big Island flight tickets
Alaska Airlines
Mar 2
GEG12:00 pmSpokane
12h 57m
1 stop
KOA10:57 pmKona Intl
Mar 9
KOA10:57 pmKona Intl
11h 05m
1 stop
GEG1:02 pmSpokane
$384
Alaska Airlines
Mar 2
BOI9:52 amBoise Air Term. Gowen Fld
10h 21m
1 stop
KOA5:13 pmKona Intl
Mar 9
KOA10:57 pmKona Intl
12h 11m
2 stops
BOI3:08 pmBoise Air Term. Gowen Fld
$385
Alaska Airlines
Apr 14
BOI9:02 amBoise Air Term. Gowen Fld
28h 37m
1 stop
KOA9:39 amKona Intl
Apr 21
KOA10:07 pmKona Intl
10h 28m
1 stop
BOI12:35 pmBoise Air Term. Gowen Fld
$387

Delta flights from Idaho to The Big Island

Our best Delta deals on Idaho to The Big Island flight tickets
Delta
Apr 14
BOI7:05 amBoise Air Term. Gowen Fld
14h 38m
1 stop
KOA5:43 pmKona Intl
Apr 21
KOA8:50 pmKona Intl
12h 21m
1 stop
BOI1:11 pmBoise Air Term. Gowen Fld
$384
Delta
Apr 28
GEG11:25 amSpokane
10h 38m
1 stop
KOA7:03 pmKona Intl
May 19
KOA8:55 pmKona Intl
12h 33m
1 stop
GEG12:28 pmSpokane
$392
Delta
Feb 23
GEG6:05 amSpokane
14h 25m
2 stops
KOA6:30 pmKona Intl
May 19
KOA8:55 pmKona Intl
10h 30m
1 stop
GEG10:25 amSpokane
$398

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 February 5, 2026.
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

Mon 4/27

7:00 am-10:57 am

1 stop7h 57m

Kona Intl

Mon 5/4

12:32 pm-4:15 pm

1 stop23h 43m

$364

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 4/13

7:40 am-9:37 am

1 stop29h 57m

Kona Intl

Mon 4/20

11:59 am-3:31 pm

1 stop23h 32m

$367

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 4/13

6:04 pm-9:37 am

2 stops19h 33m

Kona Intl

Mon 4/20

11:59 am-3:31 pm

1 stop23h 32m

$370

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 4/13

7:40 am-9:37 am

1 stop29h 57m

Kona Intl

Wed 4/22

12:32 pm-4:15 pm

1 stop23h 43m

$372

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Tue 4/14

2:22 pm-10:35 am

2 stops24h 13m

Kona Intl

Mon 4/20

11:59 am-3:31 pm

1 stop23h 32m

$373

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Mon 3/2

12:00 pm-10:57 pm

1 stop12h 57m

Kona Intl

Mon 3/9

10:57 pm-1:02 pm

1 stop11h 05m

$384

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 4/21

7:19 am-2:59 pm

1 stop10h 40m

Kona Intl

Thu 4/30

8:00 am-9:31 pm

1 stop10h 31m

$385

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 4/28

11:25 am-7:03 pm

1 stop10h 38m

Kona Intl

Tue 5/19

8:55 pm-8:52 am

1 stop8h 57m

$392

SpokaneHilo

GEG - ITO

GEGITO

Spokane

Wed 3/4

9:20 am-9:40 pm

2 stops14h 20m

Hilo Intl

Wed 3/11

6:55 pm-11:45 am

2 stops13h 50m

$403

BoiseHilo

BOI - ITO

BOIITO

Boise Air Term. Gowen Fld

Sun 3/1

10:55 am-9:40 pm

2 stops13h 45m

Hilo Intl

Thu 3/5

9:00 am-12:15 am

2 stops12h 15m

$421

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 August is, on average, the cheapest month to fly to The Big Island from Idaho, with most prices found around $401. If you’re not able to fly to The Big Island in August, then September is your next best option. Flight prices from Idaho to The Big Island during September average around $401.

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 $516 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 $378 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

Fastest flight time

7h 57m

Direct flights

None
The fastest flight from Idaho to The Big Island takes 7h 57m
There are no direct flights from Idaho to The Big Island. There are no popular flight routes from Idaho to The Big Island.
Search flight deals

  • 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
DeltaPriceFrom $250Free CancellationRating
7.9
8,151 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $261Free CancellationRating
7.8
2,831 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $331Free CancellationRating
8.0
11,840 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $379Free CancellationRating
8.0
4,275 reviews
Search Southwest flights
United AirlinesPriceFrom $419Free CancellationRating
7.4
9,240 reviews
Search United Airlines 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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