What is the cheapest airline that flies from Idaho to The Big Island?

Alaska Airlines, Delta, and Southwest are the most popular carriers operating from Idaho to The Big Island

What airlines fly to The Big Island?

Alaska Airlines, Delta and Southwest are the top three most popular airlines that fly to The Big Island from Idaho according to our data. Alaska Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to The Big Island. Keep in mind that there are 4 different airlines that fly to The Big Island on a routine basis, so you have a few additional options to choose from.

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?

There are 5 operators available for flights from Idaho to The Big Island as of August 2026.

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.

$198 Cheap Flights from Idaho to The Big Island in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to The Big Island

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:16 pm - 7:27 pmBOI Boise Air Term. Gowen Fld-KOA Kona Intl

9h 11m1 stop Seattle/Tacoma Intl

10:25 pm - 12:35 pmKOA Kona Intl-BOI Boise Air Term. Gowen Fld

10h 10m1 stop Seattle/Tacoma Intl

$404Alaska Airlines

Mon, Sep 21 - Wed, Sep 23

6:06 am - 3:02 pmBOI Boise Air Term. Gowen Fld-KOA Kona Intl

11h 56m1 stop Phoenix Sky Harbor Intl

10:21 pm - 1:23 pmKOA Kona Intl-BOI Boise Air Term. Gowen Fld

12h 02m1 stop Phoenix Sky Harbor Intl

$404American Airlines

Sun, Nov 1 - Fri, Nov 6

11:18 am - 6:38 pmGEG Spokane-KOA Kona Intl

9h 20m1 stop Seattle/Tacoma Intl

8:55 pm - 9:06 amKOA Kona Intl-GEG Spokane

10h 11m1 stop Salt Lake City

$404Delta

Tue, Nov 3 - Tue, Nov 10

9:23 am - 5:31 pmGEG Spokane-KOA Kona Intl

11h 08m1 stop Seattle/Tacoma Intl

8:55 pm - 8:37 amKOA Kona Intl-GEG Spokane

8h 42m1 stop Seattle/Tacoma Intl

$404Delta

Sun, Sep 13 - Thu, Sep 17

6:06 am - 3:02 pmBOI Boise Air Term. Gowen Fld-KOA Kona Intl

11h 56m1 stop Phoenix Sky Harbor Intl

10:21 pm - 1:23 pmKOA Kona Intl-BOI Boise Air Term. Gowen Fld

12h 02m1 stop Phoenix Sky Harbor Intl

$404American Airlines

Sun, Nov 1 - Fri, Nov 6

5:43 pm - 12:40 pmBOI Boise Air Term. Gowen Fld-KOA Kona Intl

21h 57m1 stop Seattle/Tacoma Intl

11:28 pm - 10:42 amKOA Kona Intl-BOI Boise Air Term. Gowen Fld

8h 14m1 stop Seattle/Tacoma Intl

$405Alaska Airlines

Tue, Dec 1 - Thu, Dec 10

5:45 am - 2:00 pmBOI Boise Air Term. Gowen Fld-KOA Kona Intl

11h 15m2 stops Phoenix Sky Harbor Intl Las Vegas Harry Reid Intl

9:30 pm - 11:50 amKOA Kona Intl-BOI Boise Air Term. Gowen Fld

11h 20m1 stop Las Vegas Harry Reid Intl

$410Southwest

Tue, Dec 1 - Thu, Dec 10

5:45 am - 6:10 pmBOI Boise Air Term. Gowen Fld-ITO Hilo Intl

15h 25m2 stops Phoenix Sky Harbor Intl Honolulu

3:30 pm - 9:50 amITO Hilo Intl-BOI Boise Air Term. Gowen Fld

15h 20m2 stops Honolulu Phoenix Sky Harbor Intl

$415Southwest

Tue, Dec 1 - Thu, Dec 10

12:00 pm - 7:32 pmBOI Boise Air Term. Gowen Fld-KOA Kona Intl

11h 32m1 stop San Francisco

11:59 pm - 11:19 amKOA Kona Intl-BOI Boise Air Term. Gowen Fld

8h 20m1 stop San Francisco

$434United Airlines

Sat, Oct 31 - Fri, Nov 6

1:10 pm - 8:32 pmGEG Spokane-KOA Kona Intl

9h 22m1 stop San Francisco

11:59 pm - 10:38 amKOA Kona Intl-GEG Spokane

8h 39m1 stop San Francisco

$434United Airlines

Mon, Nov 2 - Sat, Nov 7

Cheap last minute flights

Enter your travel dates to find the best prices.

10:35 am - 5:35 pmBOI Boise Air Term. Gowen Fld-KOA Kona Intl

11h 00m1 stop Seattle/Tacoma Intl

8:55 pm - 9:54 amKOA Kona Intl-BOI Boise Air Term. Gowen Fld

8h 59m1 stop Seattle/Tacoma Intl

$563Delta

Wed, Aug 26 - Fri, Sep 11

12:23 pm - 5:35 pmBOI Boise Air Term. Gowen Fld-KOA Kona Intl

9h 12m1 stop Seattle/Tacoma Intl

10:10 pm - 12:16 pmKOA Kona Intl-BOI Boise Air Term. Gowen Fld

10h 06m2 stops Los Angeles Salt Lake City

$569Delta

Wed, Aug 26 - Fri, Sep 11

9:00 am - 6:17 pmBOI Boise Air Term. Gowen Fld-KOA Kona Intl

13h 17m2 stops Portland Honolulu

8:45 pm - 12:33 pmKOA Kona Intl-BOI Boise Air Term. Gowen Fld

11h 48m2 stops Honolulu Los Angeles

$587Multiple Airlines

Wed, Aug 26 - Fri, Sep 11

5:45 am - 12:25 pmGEG Spokane-KOA Kona Intl

9h 40m1 stop Sacramento Intl

8:35 pm - 11:40 amKOA Kona Intl-GEG Spokane

12h 05m1 stop Las Vegas Harry Reid Intl

$676Southwest

Tue, Aug 25 - Thu, Aug 27

8:33 pm - 1:24 pmGEG Spokane-KOA Kona Intl

19h 51m1 stop Seattle/Tacoma Intl

10:25 pm - 11:03 amKOA Kona Intl-GEG Spokane

9h 38m1 stop Seattle/Tacoma Intl

$676Alaska Airlines

Mon, Aug 24 - Mon, Aug 31

11:09 am - 5:35 pmGEG Spokane-KOA Kona Intl

9h 26m1 stop Seattle/Tacoma Intl

8:42 pm - 8:34 amKOA Kona Intl-GEG Spokane

8h 52m1 stop Seattle/Tacoma Intl

$676Delta

Mon, Aug 24 - Mon, Aug 31

8:33 pm - 1:24 pmGEG Spokane-KOA Kona Intl

19h 51m1 stop Seattle/Tacoma Intl

4:37 pm - 9:56 amKOA Kona Intl-GEG Spokane

14h 19m2 stops Honolulu Portland

$681Multiple Airlines

Mon, Aug 24 - Mon, Aug 31

5:45 am - 12:25 pmGEG Spokane-KOA Kona Intl

9h 40m1 stop Sacramento Intl

6:05 am - 10:10 pmKOA Kona Intl-GEG Spokane

13h 05m2 stops Honolulu Sacramento Intl

$682Southwest

Tue, Aug 25 - Thu, Aug 27

12:33 pm - 9:54 pmGEG Spokane-ITO Hilo Intl

12h 21m2 stops San Francisco Honolulu

7:44 pm - 3:06 pmITO Hilo Intl-GEG Spokane

16h 22m3 stops Honolulu San Francisco Denver Intl

$1,397United Airlines

Fri, Aug 28 - Tue, Sep 1

12:33 pm - 9:54 pmGEG Spokane-ITO Hilo Intl

12h 21m2 stops San Francisco Honolulu

7:44 pm - 3:06 pmITO Hilo Intl-GEG Spokane

16h 22m3 stops Honolulu Los Angeles Denver Intl

$3,724United Airlines

Fri, Aug 28 - Tue, Sep 1

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American Airlines flights from Idaho to The Big Island

Our best American Airlines deals on Idaho to The Big Island flight tickets

American Airlines

Dec 9

GEG6:15 amSpokane

10h 47m

1 stop

KOA3:02 pmKona Intl

Dec 16

KOA10:21 pmKona Intl

12h 50m

1 stop

GEG1:11 pmSpokane

$481

American Airlines

Dec 9

GEG6:15 amSpokane

12h 26m

2 stops

KOA4:41 pmKona Intl

Dec 16

KOA10:21 pmKona Intl

12h 50m

1 stop

GEG1:11 pmSpokane

$487

American Airlines

Feb 4

GEG6:45 amSpokane

11h 00m

1 stop

KOA3:45 pmKona Intl

Feb 10

KOA10:11 pmKona Intl

10h 15m

1 stop

GEG10:26 amSpokane

$488

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 21

BOI2:16 pmBoise Air Term. Gowen Fld

9h 11m

1 stop

KOA7:27 pmKona Intl

Sep 23

KOA10:25 pmKona Intl

10h 10m

1 stop

BOI12:35 pmBoise Air Term. Gowen Fld

$404

Alaska Airlines

Dec 1

BOI5:43 pmBoise Air Term. Gowen Fld

21h 57m

1 stop

KOA12:40 pmKona Intl

Dec 10

KOA11:28 pmKona Intl

8h 14m

1 stop

BOI10:42 amBoise Air Term. Gowen Fld

$405

Alaska Airlines

Nov 16

GEG4:39 pmSpokane

8h 36m

1 stop

KOA11:15 pmKona Intl

Nov 17

KOA8:00 amKona Intl

10h 58m

1 stop

GEG8:58 pmSpokane

$479

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseKailua-Kona

BOI Boise Air Term. Gowen Fld - KOA Kona Intl

BOIKOA

Boise Air Term. Gowen Fld

Mon 9/21

2:16 pm-7:27 pm

1 stop9h 11m

Kona Intl

Wed 9/23

10:25 pm-12:35 pm

1 stop10h 10m

$404

BoiseKailua-Kona

BOI Boise Air Term. Gowen Fld - KOA Kona Intl

BOIKOA

Boise Air Term. Gowen Fld

Sun 11/1

6:06 am-3:02 pm

1 stop11h 56m

Kona Intl

Fri 11/6

10:21 pm-1:23 pm

1 stop12h 02m

$404

SpokaneKailua-Kona

GEG Spokane - KOA Kona Intl

GEGKOA

Spokane

Tue 11/3

11:18 am-6:38 pm

1 stop9h 20m

Kona Intl

Tue 11/10

8:55 pm-9:06 am

1 stop10h 11m

$404

SpokaneKailua-Kona

GEG Spokane - KOA Kona Intl

GEGKOA

Spokane

Sun 9/13

9:23 am-5:31 pm

1 stop11h 08m

Kona Intl

Thu 9/17

8:55 pm-8:37 am

1 stop8h 42m

$404

BoiseKailua-Kona

BOI Boise Air Term. Gowen Fld - KOA Kona Intl

BOIKOA

Boise Air Term. Gowen Fld

Sun 11/1

6:06 am-3:02 pm

1 stop11h 56m

Kona Intl

Fri 11/6

10:21 pm-1:23 pm

1 stop12h 02m

$404

BoiseKailua-Kona

BOI Boise Air Term. Gowen Fld - KOA Kona Intl

BOIKOA

Boise Air Term. Gowen Fld

Tue 12/1

5:43 pm-12:40 pm

1 stop21h 57m

Kona Intl

Thu 12/10

11:28 pm-10:42 am

1 stop8h 14m

$405

BoiseKailua-Kona

BOI Boise Air Term. Gowen Fld - KOA Kona Intl

BOIKOA

Boise Air Term. Gowen Fld

Tue 12/1

5:45 am-2:00 pm

2 stops11h 15m

Kona Intl

Thu 12/10

9:30 pm-11:50 am

1 stop11h 20m

$410

BoiseHilo

BOI Boise Air Term. Gowen Fld - ITO Hilo Intl

BOIITO

Boise Air Term. Gowen Fld

Tue 12/1

5:45 am-6:10 pm

2 stops15h 25m

Hilo Intl

Thu 12/10

3:30 pm-9:50 am

2 stops15h 20m

$415

BoiseKailua-Kona

BOI Boise Air Term. Gowen Fld - KOA Kona Intl

BOIKOA

Boise Air Term. Gowen Fld

Sat 10/31

12:00 pm-7:32 pm

1 stop11h 32m

Kona Intl

Fri 11/6

11:59 pm-11:19 am

1 stop8h 20m

$434

Quickest round-trip

SpokaneKailua-Kona

GEG Spokane - KOA Kona Intl

GEGKOA

Spokane

Mon 11/2

1:10 pm-8:32 pm

1 stop9h 22m

Kona Intl

Sat 11/7

11:59 pm-10:38 am

1 stop8h 39m

$434

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

The month of April is, on average, the cheapest month to fly to The Big Island from Idaho, with most prices found around $465. If you’re not able to fly to The Big Island in April, then January is your next best option. Flight prices from Idaho to The Big Island during January average around $500.

How far in advance should I book a flight from Idaho 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 $572 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 $320 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	$198
Fastest flight time	8h 47m
Direct flights	None

The best one-way flight to The Big Island from Idaho in the past 72 hours is $198. The best round-trip flight deal from Idaho to The Big Island found on momondo in the last 72 hours is $404.

The fastest flight from Idaho to The Big Island takes 8h 47m

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

Frequently asked questions about flying 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?
There are 5 operators available for flights from Idaho to The Big Island as of August 2026.
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?
Based on momondo bookings for flights between Idaho and The Big Island, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 15.17% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 14.55%, Boeing 737 MAX 8 with 11.33%, and Boeing 737-800 with 10.56%.

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
Delta	PriceFrom $200	Free Cancellation	Rating 7.8 8,515 reviews	Search Delta flights
United Airlines	PriceFrom $257	Free Cancellation	Rating 7.4 10,113 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $373	Free Cancellation	Rating 7.9 12,841 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $385	Free Cancellation	Rating 8.0 4,214 reviews	Search Southwest 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.