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Cheap flights from Idaho to Kaua'i from $196

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 Kaua'i departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho to Kaua'i

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:00 am - 10:46 am
BOI
-
LIH
30h 46m
1 stop
Multiple Airlines Logo
11:19 pm - 11:40 am
LIH
-
BOI
9h 21m
1 stop
$380Multiple Airlines
lun., mar. 2 - mié., mar. 4
Multiple Airlines Logo
7:00 am - 10:46 am
BOI
-
LIH
30h 46m
1 stop
Multiple Airlines Logo
11:19 pm - 11:40 am
LIH
-
BOI
9h 21m
1 stop
$382Multiple Airlines
lun., mar. 2 - mié., mar. 4
Alaska Airlines Logo
7:06 pm - 3:50 pm
GEG
-
LIH
22h 44m
1 stop
Alaska Airlines Logo
3:50 pm - 1:02 pm
LIH
-
GEG
18h 12m
1 stop
$384Alaska Airlines
lun., mar. 2 - lun., mar. 9
Multiple Airlines Logo
6:00 pm - 10:46 am
BOI
-
LIH
19h 46m
2 stops
Multiple Airlines Logo
11:19 pm - 11:40 am
LIH
-
BOI
9h 21m
1 stop
$385Multiple Airlines
lun., mar. 2 - mié., mar. 4
Alaska Airlines Logo
7:26 pm - 10:27 am
GEG
-
LIH
18h 01m
1 stop
Alaska Airlines Logo
3:50 pm - 1:02 pm
LIH
-
GEG
18h 12m
1 stop
$389Alaska Airlines
lun., mar. 9 - lun., mar. 16
Delta Logo
6:05 am - 7:49 pm
GEG
-
LIH
15h 44m
2 stops
Delta Logo
10:05 pm - 2:44 pm
LIH
-
GEG
13h 39m
2 stops
$403Delta
mar., mar. 3 - mar., mar. 10
Southwest Logo
7:05 am - 2:15 pm
BOI
-
LIH
11h 10m
2 stops
Southwest Logo
8:10 pm - 12:30 pm
LIH
-
BOI
12h 20m
1 stop
$416Southwest
mar., abr. 7 - mar., abr. 14
Delta Logo
8:30 am - 7:06 pm
LWS
-
LIH
13h 36m
1 stop
Delta Logo
9:40 pm - 2:05 pm
LIH
-
LWS
13h 25m
2 stops
$549Delta
mar., may. 12 - lun., may. 18
United Airlines Logo
3:48 pm - 9:57 pm
SUN
-
LIH
10h 09m
1 stop
United Airlines Logo
11:00 pm - 11:50 am
LIH
-
SUN
8h 50m
1 stop
$587United Airlines
mié., mar. 25 - lun., mar. 30
United Airlines Logo
3:48 pm - 9:57 pm
SUN
-
LIH
10h 09m
1 stop
United Airlines Logo
11:00 pm - 11:50 am
LIH
-
SUN
8h 50m
1 stop
$624United Airlines
vie., mar. 27 - jue., abr. 2

Delta flights from Idaho to Kaua'i

Our best Delta deals on Idaho to Kaua'i flight tickets
Delta
Apr 14
GEG7:15 amSpokane
13h 25m
1 stop
LIH5:40 pmLihue
Apr 21
LIH8:20 pmLihue
11h 25m
1 stop
GEG10:45 amSpokane
$392
Delta
Mar 3
GEG6:05 amSpokane
15h 44m
2 stops
LIH7:49 pmLihue
Mar 10
LIH10:05 pmLihue
13h 39m
2 stops
GEG2:44 pmSpokane
$403
Delta
May 19
GEG11:05 amSpokane
11h 01m
1 stop
LIH7:06 pmLihue
May 26
LIH9:40 pmLihue
11h 48m
1 stop
GEG12:28 pmSpokane
$425

Southwest flights from Idaho to Kaua'i

Our best Southwest deals on Idaho to Kaua'i flight tickets
Southwest
Apr 7
BOI7:05 amBoise Air Term. Gowen Fld
11h 10m
2 stops
LIH2:15 pmLihue
Apr 14
LIH8:10 pmLihue
12h 20m
1 stop
BOI12:30 pmBoise Air Term. Gowen Fld
$416
Southwest
Apr 7
BOI7:05 amBoise Air Term. Gowen Fld
11h 10m
2 stops
LIH2:15 pmLihue
Apr 14
LIH8:10 pmLihue
13h 10m
2 stops
BOI1:20 pmBoise Air Term. Gowen Fld
$421
Southwest
Apr 7
BOI7:05 amBoise Air Term. Gowen Fld
11h 10m
2 stops
LIH2:15 pmLihue
Apr 14
LIH8:10 pmLihue
12h 20m
1 stop
BOI12:30 pmBoise Air Term. Gowen Fld
$422

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to Kaua'i 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 febrero 9, 2026.
Use the filters below to find and compare flights from Idaho to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

lun. 3/2

7:00 am-10:46 am

1 stop30h 46m

Lihue

mié. 3/4

11:19 pm-11:40 am

1 stop9h 21m

$380

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

lun. 3/2

7:00 am-10:46 am

1 stop30h 46m

Lihue

mié. 3/4

11:19 pm-11:40 am

1 stop9h 21m

$382

SpokaneLihue

GEG - LIH

GEGLIH

Spokane

lun. 3/2

7:06 pm-3:50 pm

1 stop22h 44m

Lihue

lun. 3/9

3:50 pm-1:02 pm

1 stop18h 12m

$384

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

lun. 3/2

6:00 pm-10:46 am

2 stops19h 46m

Lihue

mié. 3/4

11:19 pm-11:40 am

1 stop9h 21m

$385

SpokaneLihue

GEG - LIH

GEGLIH

Spokane

lun. 3/9

7:26 pm-10:27 am

1 stop18h 01m

Lihue

lun. 3/16

3:50 pm-1:02 pm

1 stop18h 12m

$389

SpokaneLihue

GEG - LIH

GEGLIH

Spokane

mar. 3/3

6:05 am-7:49 pm

2 stops15h 44m

Lihue

mar. 3/10

10:05 pm-2:44 pm

2 stops13h 39m

$403

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

mar. 4/7

7:05 am-2:15 pm

2 stops11h 10m

Lihue

mar. 4/14

8:10 pm-12:30 pm

1 stop12h 20m

$416

LewistonLihue

LWS - LIH

LWSLIH

Lewiston Nez Perce Rgnl

mar. 5/12

8:30 am-7:06 pm

1 stop13h 36m

Lihue

lun. 5/18

9:40 pm-2:05 pm

2 stops13h 25m

$549

HaileyLihue

SUN - LIH

SUNLIH

Hailey Sun Valley-Friedman

mié. 3/25

3:48 pm-9:57 pm

1 stop10h 09m

Lihue

lun. 3/30

11:00 pm-11:50 am

1 stop8h 50m

$587

HaileyLihue

SUN - LIH

SUNLIH

Hailey Sun Valley-Friedman

vie. 3/27

3:48 pm-9:57 pm

1 stop10h 09m

Lihue

jue. 4/2

11:00 pm-11:50 am

1 stop8h 50m

$624

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 Kaua'i from

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

What is the cheapest month to fly to Kaua'i?

In general, January 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 $429. The month of August is another great option to travel to Kaua'i, with average flight prices from Idaho averaging around $473.

How far in advance should I book a flight 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 $581 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 $429 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

9h 07m

Direct flights

None
The fastest flight from Idaho to Kaua'i takes 9h 07m
There are no direct flights from Idaho to Kaua'i. There are no popular flight routes from Idaho to Kaua'i.
Search flight deals

  • 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?

  • 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?

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
United AirlinesPriceFrom $227Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $240Free CancellationRating
7.8
2,830 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $305Free CancellationRating
7.9
8,174 reviews
Search Delta flights
Alaska AirlinesPriceFrom $387Free CancellationRating
8.0
11,863 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $449Free CancellationRating
8.0
4,282 reviews
Search Southwest 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.

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mié. 3/11
mié. 3/18
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