Cheap flights from Idaho to The Big Island from $223

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
1 adult, Economy, 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
3:56 pm - 10:24 pm
KOA
-
BOI
26h 28m
1 stop
$440Multiple Airlines
Mon, Apr 27 - Mon, May 11
Alaska Airlines Logo
9:02 am - 9:36 am
BOI
-
KOA
28h 34m
1 stop
Alaska Airlines Logo
1:16 pm - 12:32 pm
KOA
-
BOI
19h 16m
1 stop
$443Alaska Airlines
Wed, Apr 22 - Mon, May 4
Multiple Airlines Logo
10:30 am - 10:16 pm
GEG
-
KOA
14h 46m
2 stops
Multiple Airlines Logo
3:56 pm - 11:46 am
KOA
-
GEG
16h 50m
2 stops
$451Multiple Airlines
Tue, Apr 28 - Mon, May 11
Multiple Airlines Logo
7:00 am - 10:57 am
BOI
-
KOA
7h 57m
1 stop
Multiple Airlines Logo
1:16 pm - 12:32 pm
KOA
-
BOI
19h 16m
1 stop
$452Multiple Airlines
Wed, Apr 29 - Tue, May 5
Multiple Airlines Logo
7:00 am - 10:57 am
BOI
-
KOA
7h 57m
1 stop
Multiple Airlines Logo
1:16 pm - 9:26 pm
KOA
-
BOI
28h 10m
1 stop
$454Multiple Airlines
Wed, Apr 29 - Mon, May 4
Alaska Airlines Logo
1:20 pm - 9:36 am
GEG
-
KOA
23h 16m
1 stop
Alaska Airlines Logo
1:16 pm - 9:45 pm
KOA
-
GEG
29h 29m
1 stop
$457Alaska Airlines
Mon, Apr 27 - Tue, May 12
Delta Logo
1:52 pm - 7:03 pm
BOI
-
KOA
9h 11m
1 stop
Delta Logo
9:55 pm - 2:34 pm
KOA
-
BOI
12h 39m
1 stop
$458Delta
Sun, Apr 26 - Tue, May 12
Alaska Airlines Logo
7:40 am - 9:37 am
BOI
-
KOA
29h 57m
1 stop
Alaska Airlines Logo
1:16 pm - 9:26 pm
KOA
-
BOI
28h 10m
1 stop
$459Alaska Airlines
Mon, Apr 20 - Mon, Apr 27
Delta Logo
8:59 am - 7:03 pm
BOI
-
KOA
14h 04m
1 stop
Delta Logo
8:50 pm - 11:35 am
KOA
-
BOI
10h 45m
1 stop
$460Delta
Sun, Apr 26 - Wed, May 13
Delta Logo
1:52 pm - 7:03 pm
BOI
-
KOA
9h 11m
1 stop
Delta Logo
8:50 pm - 10:58 pm
KOA
-
BOI
22h 08m
2 stops
$463Delta
Sun, Apr 26 - Tue, May 12

Delta flights from Idaho to The Big Island

Our best Delta deals on Idaho to The Big Island flight tickets
Delta
Apr 26
BOI1:52 pmBoise Air Term. Gowen Fld
9h 11m
1 stop
KOA7:03 pmKona Intl
May 12
KOA9:55 pmKona Intl
12h 39m
1 stop
BOI2:34 pmBoise Air Term. Gowen Fld
$458
Delta
Apr 26
BOI8:59 amBoise Air Term. Gowen Fld
14h 04m
1 stop
KOA7:03 pmKona Intl
May 15
KOA8:50 pmKona Intl
9h 04m
1 stop
BOI9:54 amBoise Air Term. Gowen Fld
$460
Delta
Apr 26
BOI1:52 pmBoise Air Term. Gowen Fld
9h 11m
1 stop
KOA7:03 pmKona Intl
May 12
KOA8:50 pmKona Intl
22h 08m
2 stops
BOI10:58 pmBoise Air Term. Gowen Fld
$463

Southwest flights from Idaho to The Big Island

Our best Southwest deals on Idaho to The Big Island flight tickets
Southwest
Apr 29
GEG5:35 amSpokane
11h 55m
2 stops
ITO2:30 pmHilo Intl
May 6
ITO8:00 amHilo Intl
12h 25m
2 stops
GEG11:25 pmSpokane
$471
Southwest
Sep 1
GEG6:15 amSpokane
9h 25m
1 stop
KOA12:40 pmKona Intl
Sep 10
KOA10:00 amKona Intl
9h 10m
1 stop
GEG10:10 pmSpokane
$478
Southwest
Apr 29
BOI6:00 amBoise Air Term. Gowen Fld
12h 15m
2 stops
KOA2:15 pmKona Intl
May 4
KOA10:00 amKona Intl
10h 45m
2 stops
BOI12:45 amBoise Air Term. Gowen Fld
$489

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 March 27, 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

Cheapest round-trip

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 5/11

3:56 pm-10:24 pm

1 stop26h 28m

$440

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 4/22

9:02 am-9:36 am

1 stop28h 34m

Kona Intl

Mon 5/4

1:16 pm-12:32 pm

1 stop19h 16m

$443

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 4/28

10:30 am-10:16 pm

2 stops14h 46m

Kona Intl

Mon 5/11

3:56 pm-11:46 am

2 stops16h 50m

$451

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 4/29

7:00 am-10:57 am

1 stop7h 57m

Kona Intl

Tue 5/5

1:16 pm-12:32 pm

1 stop19h 16m

$452

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Wed 4/29

7:00 am-10:57 am

1 stop7h 57m

Kona Intl

Mon 5/4

1:16 pm-9:26 pm

1 stop28h 10m

$454

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Mon 4/27

1:20 pm-9:36 am

1 stop23h 16m

Kona Intl

Tue 5/12

1:16 pm-9:45 pm

1 stop29h 29m

$457
Quickest round-trip

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sun 4/26

1:52 pm-7:03 pm

1 stop9h 11m

Kona Intl

Tue 5/12

9:55 pm-2:34 pm

1 stop12h 39m

$458

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 4/20

7:40 am-9:37 am

1 stop29h 57m

Kona Intl

Mon 4/27

1:16 pm-9:26 pm

1 stop28h 10m

$459

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sun 4/26

8:59 am-7:03 pm

1 stop14h 04m

Kona Intl

Wed 5/13

8:50 pm-11:35 am

1 stop10h 45m

$460

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sun 4/26

1:52 pm-7:03 pm

1 stop9h 11m

Kona Intl

Tue 5/12

8:50 pm-10:58 pm

2 stops22h 08m

$463

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 $367. 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 $515 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 $393 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.
  • 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 $200Free CancellationRating
7.9
8,341 reviews
Search Delta flights
Alaska AirlinesPriceFrom $324Free CancellationRating
7.9
12,121 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $361Free CancellationRating
7.8
2,839 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $379Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
United AirlinesPriceFrom $392Free CancellationRating
7.4
9,491 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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1 adult
Sun 4/26
Sun 5/3

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