What airlines fly to Kaua'i?

Alaska Airlines, Delta and Southwest are the top three most popular airlines that fly to Kaua'i from Idaho according to our data. Alaska Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Kaua'i. Keep in mind that there are 4 different airlines that fly to Kaua'i on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Idaho to Kaua'i?

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Idaho to Kaua'i

When did momondo last update prices for flights from Idaho to Kaua'i?

Prices for flights from Idaho to Kaua'i are updated daily.

How many operators does momondo search for flights from Idaho to Kaua'i?

There are 4 operators available for flights from Idaho to Kaua'i as of July 2026.

How old do you have to be to fly from Idaho to Kaua'i?

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 Kaua'i.

What documentation or ID do you need to fly to Kaua'i?

The travel and health documents you'll need for your trip to Kaua'i 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 Kaua'i. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$176 Cheap Flights from Idaho to Kaua'i in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Kaua'i

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 8:22 pm

BOI

LIH

8h 47m

1 stop

10:45 pm - 2:22 pm

LIH

BOI

12h 37m

1 stop

$352Delta

Wed, Dec 9 - Wed, Dec 16

11:10 am - 7:10 pm

GEG

LIH

11h 00m

1 stop

9:54 pm - 8:37 am

LIH

GEG

7h 43m

1 stop

$352Delta

Tue, Sep 22 - Wed, Sep 30

8:45 am - 8:22 pm

BOI

LIH

14h 37m

2 stops

10:45 pm - 2:22 pm

LIH

BOI

12h 37m

1 stop

$358Delta

Wed, Dec 9 - Wed, Dec 16

7:05 am - 5:40 pm

GEG

LIH

13h 35m

2 stops

9:54 pm - 10:30 am

LIH

GEG

9h 36m

1 stop

$358Delta

Tue, Sep 22 - Wed, Sep 30

2:16 pm - 9:57 pm

BOI

LIH

11h 41m

2 stops

7:21 pm - 12:35 pm

LIH

BOI

13h 14m

2 stops

$363Multiple Airlines

Sun, Sep 20 - Mon, Sep 28

5:10 am - 5:40 pm

GEG

LIH

15h 30m

2 stops

8:39 pm - 12:18 pm

LIH

GEG

12h 39m

2 stops

$363Delta

Mon, Sep 28 - Tue, Oct 6

1:00 pm - 7:16 pm

GEG

LIH

9h 16m

1 stop

9:55 pm - 8:34 am

LIH

GEG

7h 39m

1 stop

$381Delta

Thu, Aug 6 - Wed, Aug 12

12:17 pm - 8:14 pm

GEG

LIH

10h 57m

1 stop

12:47 pm - 11:59 pm

LIH

GEG

8h 12m

1 stop

$410Alaska Airlines

Tue, Sep 29 - Thu, Oct 1

1:46 pm - 9:30 pm

IDA

LIH

11h 44m

1 stop

10:31 pm - 3:35 pm

LIH

IDA

13h 04m

1 stop

$550Alaska Airlines

Thu, Oct 15 - Tue, Oct 20

11:33 am - 10:19 pm

SUN

LIH

13h 46m

1 stop

11:24 pm - 10:51 am

LIH

SUN

8h 27m

1 stop

$625Alaska Airlines

Mon, Nov 9 - Wed, Nov 11

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American Airlines flights from Idaho to Kaua'i

Our best American Airlines deals on Idaho to Kaua'i flight tickets

American Airlines

Oct 21

GEG2:45 pmSpokane

27h 06m

1 stop

LIH2:51 pmLihue

Nov 2

LIH10:44 pmLihue

22h 25m

1 stop

GEG11:09 pmSpokane

$501

American Airlines

Aug 4

IDA7:00 amIdaho Falls Fanning Field

17h 48m

3 stops

LIH8:48 pmLihue

Aug 12

LIH4:52 pmLihue

14h 38m

2 stops

IDA11:30 amIdaho Falls Fanning Field

$1,081

American Airlines

Aug 19

IDA7:00 amIdaho Falls Fanning Field

17h 09m

3 stops

LIH8:09 pmLihue

Aug 26

LIH10:00 pmLihue

19h 43m

2 stops

IDA9:43 pmIdaho Falls Fanning Field

$1,099

Alaska Airlines flights from Idaho to Kaua'i

Our best Alaska Airlines deals on Idaho to Kaua'i flight tickets

Alaska Airlines

Sep 29

GEG12:17 pmSpokane

10h 57m

1 stop

LIH8:14 pmLihue

Oct 1

LIH12:47 pmLihue

8h 12m

1 stop

GEG11:59 pmSpokane

$410

Alaska Airlines

Oct 5

BOI2:08 pmBoise Air Term. Gowen Fld

11h 22m

1 stop

LIH9:30 pmLihue

Oct 11

LIH10:31 pmLihue

10h 04m

1 stop

BOI12:35 pmBoise Air Term. Gowen Fld

$465

Alaska Airlines

Jul 29

BOI4:27 pmBoise Air Term. Gowen Fld

8h 58m

1 stop

LIH9:25 pmLihue

Aug 4

LIH12:31 pmLihue

17h 06m

1 stop

BOI9:37 amBoise Air Term. Gowen Fld

$482

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Wed 12/9

2:35 pm-8:22 pm

1 stop8h 47m

Lihue

Wed 12/16

10:45 pm-2:22 pm

1 stop12h 37m

$352

SpokaneLihue

GEG - LIH

GEGLIH

Spokane

Tue 9/22

11:10 am-7:10 pm

1 stop11h 00m

Lihue

Wed 9/30

9:54 pm-8:37 am

1 stop7h 43m

$352

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Wed 12/9

8:45 am-8:22 pm

2 stops14h 37m

Lihue

Wed 12/16

10:45 pm-2:22 pm

1 stop12h 37m

$358

SpokaneLihue

GEG - LIH

GEGLIH

Spokane

Tue 9/22

7:05 am-5:40 pm

2 stops13h 35m

Lihue

Wed 9/30

9:54 pm-10:30 am

1 stop9h 36m

$358

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Sun 9/20

2:16 pm-9:57 pm

2 stops11h 41m

Lihue

Mon 9/28

7:21 pm-12:35 pm

2 stops13h 14m

$363

SpokaneLihue

GEG - LIH

GEGLIH

Spokane

Mon 9/28

5:10 am-5:40 pm

2 stops15h 30m

Lihue

Tue 10/6

8:39 pm-12:18 pm

2 stops12h 39m

$363

Quickest round-trip

SpokaneLihue

GEG - LIH

GEGLIH

Spokane

Thu 8/6

1:00 pm-7:16 pm

1 stop9h 16m

Lihue

Wed 8/12

9:55 pm-8:34 am

1 stop7h 39m

$381

SpokaneLihue

GEG - LIH

GEGLIH

Spokane

Tue 9/29

12:17 pm-8:14 pm

1 stop10h 57m

Lihue

Thu 10/1

12:47 pm-11:59 pm

1 stop8h 12m

$410

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Thu 10/15

1:46 pm-9:30 pm

1 stop11h 44m

Lihue

Tue 10/20

10:31 pm-3:35 pm

1 stop13h 04m

$550

HaileyLihue

SUN - LIH

SUNLIH

Hailey Sun Valley-Friedman

Mon 11/9

11:33 am-10:19 pm

1 stop13h 46m

Lihue

Wed 11/11

11:24 pm-10:51 am

1 stop8h 27m

$625

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 Kaua'i

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 Kaua'i?

In general, February is the cheapest month to fly from Idaho to Kaua'i. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $163. The month of November is another great option to travel to Kaua'i, with average flight prices from Idaho averaging around $229.

How far in advance should I book a flight from Idaho to Kaua'i?

You are more likely to see cheaper flights to Kaua'i from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to Kaua'i for around $610 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kaua'i from Idaho for as low as $366 on momondo.

Can stopping save me money on Idaho to Kaua'i flights?

No. A direct flight is the cheapest option for a flight between Idaho to Kaua'i.

Cheap Idaho to Kaua'i flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Kaua'i

Fastest flight time	8h 47m
Direct flights	None

The fastest flight from Idaho to Kaua'i takes 8h 47m

There are no direct flights from Idaho to Kaua'i. There are no popular flight routes from Idaho to Kaua'i.

Search flight deals

Frequently asked questions about flying from Idaho to Kaua'i

When did momondo last update prices for flights from Idaho to Kaua'i?
Prices for flights from Idaho to Kaua'i are updated daily.
How many operators does momondo search for flights from Idaho to Kaua'i?
There are 4 operators available for flights from Idaho to Kaua'i as of July 2026.
How old do you have to be to fly from Idaho to Kaua'i?
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 Kaua'i.
What documentation or ID do you need to fly to Kaua'i?
The travel and health documents you'll need for your trip to Kaua'i 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 Kaua'i. 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 Kaua'i?
momondo data reveals that the most frequently booked plane model on the route from Idaho to Kaua'i is Embraer 175 (Enhanced Winglets), representing 15.42% of all bookings. The subsequent popular models are Boeing 737-800 Passenger/BBJ2 (winglets) at 13.45%, Boeing 737 MAX 8 at 11.04%, and Boeing 737-800 at 10.37%.

Best airlines flying from Idaho to Kaua'i

Compare and see reviews for airlines that fly from Idaho to Kaua'i with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $239	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
Alaska Airlines	PriceFrom $348	Free Cancellation	Rating 7.9 12,641 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $410	Free Cancellation	Rating 7.9 4,249 reviews	Search Southwest flights
United Airlines	PriceFrom $452	Free Cancellation	Rating 7.4 9,955 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to Kaua'i?

Finding the right flight to Kaua'i from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Kaua'i quick and easy, saving you time and money.

Can I find flights from Idaho to Kaua'i with flexible booking policies on momondo?

Yes. All flights to Kaua'i from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho to Kaua'i?

momondo helps you find the best flight between Idaho and Kaua'i by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho to Kaua'i right now. Can momondo alert me if prices change?

Price alerts on flights to Kaua'i from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.