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

Delta, American Airlines, and Alaska Airlines 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 47% of people opting to fly with this airline when traveling to The Big Island. Keep in mind that there are 5 different airlines that fly to The Big Island on a routine basis, so you have a few additional options to choose from.

How long is the flight from Idaho to The Big Island?

The flight from Idaho to The Big Island depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Boise (a popular airport in Idaho) to Incheon Intl Airport (the most popular airport in The Big Island), then the flight time is 15h 15m on average. If you fly from Idaho Falls (another popular airport in Idaho) to Incheon Intl Airport, then the average flight time is 33h 35m.

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 December 2025.

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.

$159 Cheap Flights from Idaho to The Big Island in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

9:20 am - 6:47 pm

GEG

KOA

11h 27m1 stop

9:55 pm - 8:40 am

KOA

GEG

8h 45m1 stop

$286Delta

Mon, Jan 26 - Sun, Feb 1

6:05 am - 6:30 pm

GEG

KOA

14h 25m2 stops

9:55 pm - 10:39 am

KOA

GEG

10h 44m1 stop

$301Delta

Tue, Jan 27 - Thu, Feb 5

1:20 pm - 7:57 pm

GEG

KOA

8h 37m1 stop

8:59 pm - 8:37 am

KOA

GEG

9h 38m1 stop

$303Delta

Sun, Feb 1 - Thu, Feb 12

10:39 am - 7:57 pm

BOI

KOA

12h 18m1 stop

9:55 pm - 9:57 am

KOA

BOI

9h 02m1 stop

$306Delta

Sun, Feb 1 - Sun, Feb 8

9:20 am - 6:47 pm

GEG

KOA

11h 27m1 stop

9:55 pm - 8:40 am

KOA

GEG

8h 45m1 stop

$306Delta

Tue, Jan 27 - Thu, Feb 5

9:05 am - 9:30 pm

GEG

KOA

14h 25m1 stop

9:10 pm - 11:12 am

KOA

GEG

12h 02m1 stop

$314Alaska Airlines

Tue, Jan 27 - Thu, Feb 5

9:20 am - 6:30 pm

GEG

KOA

11h 10m2 stops

10:55 pm - 2:55 pm

KOA

GEG

14h 00m2 stops

$316Delta

Tue, Jan 27 - Thu, Feb 5

6:29 pm - 9:30 pm

GEG

KOA

29h 01m1 stop

9:10 pm - 11:06 am

KOA

GEG

11h 56m1 stop

$322Alaska Airlines

Sat, Feb 7 - Wed, Feb 11

5:00 am - 3:57 pm

GEG

KOA

12h 57m2 stops

5:04 pm - 3:25 pm

KOA

GEG

20h 21m1 stop

$325Alaska Airlines

Mon, Feb 2 - Mon, Feb 9

7:05 am - 1:24 pm

BOI

KOA

9h 19m1 stop

11:47 am - 11:41 am

KOA

BOI

20h 54m1 stop

$346Multiple Airlines

Mon, Jan 12 - Wed, Jan 14

Delta flights from Idaho to The Big Island

Our best Delta deals on Idaho to The Big Island flight tickets

Delta

Mar 5

GEG1:20 pmSpokane

8h 14m

1 stop

KOA7:34 pmKona Intl

Mar 12

KOA8:55 pmKona Intl

8h 52m

1 stop

GEG8:47 amSpokane

$286

Find similar

Delta

Jan 27

GEG6:05 amSpokane

14h 25m

2 stops

KOA6:30 pmKona Intl

Feb 5

KOA9:55 pmKona Intl

10h 44m

1 stop

GEG10:39 amSpokane

$301

Find similar

Delta

Feb 1

BOI10:39 amBoise Air Term. Gowen Fld

12h 18m

1 stop

KOA7:57 pmKona Intl

Feb 8

KOA9:55 pmKona Intl

9h 02m

1 stop

BOI9:57 amBoise Air Term. Gowen Fld

$306

Find similar

Alaska Airlines flights from Idaho to The Big Island

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

Alaska Airlines

Jan 27

GEG9:05 amSpokane

14h 25m

1 stop

KOA9:30 pmKona Intl

Feb 5

KOA9:10 pmKona Intl

12h 02m

1 stop

GEG11:12 amSpokane

$314

Find similar

Alaska Airlines

Jan 27

GEG9:05 amSpokane

14h 25m

1 stop

KOA9:30 pmKona Intl

Feb 5

KOA9:10 pmKona Intl

12h 02m

1 stop

GEG11:12 amSpokane

$334

Find similar

Alaska Airlines

Feb 3

GEG1:38 pmSpokane

24h 53m

2 stops

KOA12:31 pmKona Intl

Feb 4

KOA2:51 pmKona Intl

29h 35m

1 stop

GEG10:26 pmSpokane

$335

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Mon 1/26

9:20 am-6:47 pm

1 stop11h 27m

Kona Intl

Sun 2/1

9:55 pm-8:40 am

1 stop8h 45m

$286

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 1/27

6:05 am-6:30 pm

2 stops14h 25m

Kona Intl

Thu 2/5

9:55 pm-10:39 am

1 stop10h 44m

$301

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Sun 2/1

1:20 pm-7:57 pm

1 stop8h 37m

Kona Intl

Thu 2/12

8:59 pm-8:37 am

1 stop9h 38m

$303

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Sun 2/1

10:39 am-7:57 pm

1 stop12h 18m

Kona Intl

Sun 2/8

9:55 pm-9:57 am

1 stop9h 02m

$306

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 1/27

9:20 am-6:47 pm

1 stop11h 27m

Kona Intl

Thu 2/5

9:55 pm-8:40 am

1 stop8h 45m

$306

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 1/27

9:05 am-9:30 pm

1 stop14h 25m

Kona Intl

Thu 2/5

9:10 pm-11:12 am

1 stop12h 02m

$314

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Tue 1/27

9:20 am-6:30 pm

2 stops11h 10m

Kona Intl

Thu 2/5

10:55 pm-2:55 pm

2 stops14h 00m

$316

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Sat 2/7

6:29 pm-9:30 pm

1 stop29h 01m

Kona Intl

Wed 2/11

9:10 pm-11:06 am

1 stop11h 56m

$322

SpokaneKailua-Kona

GEG - KOA

GEGKOA

Spokane

Mon 2/2

5:00 am-3:57 pm

2 stops12h 57m

Kona Intl

Mon 2/9

5:04 pm-3:25 pm

1 stop20h 21m

$325

BoiseKailua-Kona

BOI - KOA

BOIKOA

Boise Air Term. Gowen Fld

Mon 1/12

7:05 am-1:24 pm

1 stop9h 19m

Kona Intl

Wed 1/14

11:47 am-11:41 am

1 stop20h 54m

$346

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

Other information

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 $389. If you’re not able to fly to The Big Island in August, then January is your next best option. Flight prices from Idaho to The Big Island during January average around $395.

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 $486 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	8h 14m
Direct flights	None

The fastest flight from Idaho to The Big Island takes 8h 14m

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?
There are 5 operators available for flights from Idaho to The Big Island as of December 2025.
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 Embraer 175, making up 17.19% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 13.47%, Boeing 737-800 Passenger/BBJ2 (winglets) with 10.78%, and Boeing 737-700 Passenger/BBJ1 (winglets) with 8.72%.

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
Hawaiian Airlines	PriceFrom $261	Free Cancellation	Rating 7.8 2,821 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $296	Free Cancellation	Rating 7.4 9,099 reviews	Search United Airlines flights
Delta	PriceFrom $301	Free Cancellation	Rating 7.9 8,017 reviews	Search Delta flights
Alaska Airlines	PriceFrom $324	Free Cancellation	Rating 8.0 11,494 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $379	Free Cancellation	Rating 8.0 4,256 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.