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Kaua'i

$306+ Cheap flights from Boise (BOI) to Kaua'i

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIH
Nov 5 — Nov 121
Wed 11/5
Wed 11/12
1 adult, Economy
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Cheap flight deals from Boise to Kaua'i

Keep the following information in mind while searching for Boise to Kaua'i flight deals. Data was last updated October 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$343
(KAYAK)

One-way from

$306
(Alaska Airlines)

Popular in

December

Cheapest in

August

Average price

$548
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Lihue flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Lihue flights.
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From Boise Air Term. Gowen Fld to Kaua'i
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One-way flight from Boise Air Term. Gowen Fld to Kaua'i
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Highest demand for flights based on searches. 8% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Boise to Kaua'i

Cheapest flights from Boise to Kaua'i
Explore the most affordable flight options available from Boise to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 6, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:39 pmBOI - LIH
1 stop9h 46mAlaska Airlines
Tue 12/911:25 pmLIH - BOI
1 stop8h 09mAlaska Airlines
Deal found 10/4$364
This Alaska Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:55 amBOI - LIH
1 stop16h 30mAlaska Airlines
Mon 12/86:54 pmLIH - BOI
2 stops12h 40mAlaska Airlines
Deal found 10/4$369
This Alaska Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/212:19 pmBOI - LIH
1 stop13h 06mAlaska Airlines
Mon 12/811:25 pmLIH - BOI
1 stop8h 09mAlaska Airlines
Deal found 10/4$371
This Alaska Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/21:25 pmBOI - LIH
1 stop12h 00mAlaska Airlines
Tue 12/97:59 pmLIH - BOI
2 stops11h 35mAlaska Airlines
Deal found 10/4$376
This Alaska Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:39 amBOI - LIH
1 stop13h 53mAlaska Airlines
Mon 12/811:25 pmLIH - BOI
1 stop17h 11mAlaska Airlines
Deal found 10/4$381
This Alaska Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/16:09 amBOI - LIH
1 stop19h 23mAlaska Airlines
Tue 12/97:59 pmLIH - BOI
2 stops13h 46mAlaska Airlines
Deal found 10/4$386
This Alaska Airlines deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:43 amBOI - LIH
1 stop13h 40mAlaska Airlines
Mon 11/311:46 amLIH - BOI
1 stop9h 08mAlaska Airlines
Deal found 10/4$391
This Alaska Airlines deal was found by Cheapflights users on 10/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:28 amBOI - LIH
2 stops12h 39mAlaska Airlines
Wed 11/511:25 pmLIH - BOI
1 stop8h 04mAlaska Airlines
Deal found 10/5$398
This Kiwi.com deal was found by Cheapflights users on 10/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:39 pmBOI - LIH
1 stop9h 46mAlaska Airlines
Thu 12/412:49 pmLIH - BOI
1 stop19h 50mAlaska Airlines
Deal found 10/4$405

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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, Cheapflights users made 2,558,603 searches. Data last updated October 6, 2025.
Use the filters below to find and compare flights from Boise to Kaua'i that are best for you.

Fly from

Boise

Fly to

Kaua'i

Route

Depart

Return

Price

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Wed 12/3

3:39 pm-10:25 pm

1 stop9h 46m

Lihue

Tue 12/9

11:25 pm-10:34 am

1 stop8h 09m

$364

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Wed 12/3

8:55 am-10:25 pm

1 stop16h 30m

Lihue

Mon 12/8

6:54 pm-10:34 am

2 stops12h 40m

$369

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Tue 12/2

12:19 pm-10:25 pm

1 stop13h 06m

Lihue

Tue 12/9

11:25 pm-10:34 am

1 stop8h 09m

$371

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Tue 12/2

12:19 pm-10:25 pm

1 stop13h 06m

Lihue

Mon 12/8

7:59 pm-10:34 am

2 stops11h 35m

$376

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Mon 12/1

6:09 am-10:32 pm

1 stop19h 23m

Lihue

Tue 12/9

7:59 pm-12:45 pm

2 stops13h 46m

$386

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Mon 12/1

11:39 am-10:32 pm

1 stop13h 53m

Lihue

Mon 12/8

7:59 pm-12:45 pm

2 stops13h 46m

$386

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Wed 10/29

6:28 am-2:16 pm

1 stop11h 48m

Lihue

Wed 11/5

11:25 pm-3:12 pm

1 stop12h 47m

$391

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Tue 10/28

11:43 am-8:30 pm

2 stops12h 47m

Lihue

Mon 11/3

11:25 pm-12:36 pm

1 stop10h 11m

$398

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Fri 11/28

1:50 pm-8:04 pm

1 stop9h 14m

Lihue

Tue 12/9

9:50 pm-1:14 pm

1 stop12h 24m

$417

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Wed 11/19

2:20 pm-10:15 pm

2 stops10h 55m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 13 results
1
2

Best time to book a flight from Boise to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Boise with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boise to Kaua'i

What is the cheapest month to book a flight from Boise to Kaua'i?

Currently, January is the cheapest month in which you can book a flight from Boise to Kaua'i (average of $440). Flying from Boise to Kaua'i in June is currently the most expensive (average of $689). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOI to FUS?

Find hourly flight availability from Boise to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 6, 2025.

When flying from Boise to Kaua'i, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kaua'i. Reviews last updated October 6, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Boise to Kaua'i have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,020 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,020 reviews
Alaska Airlines
8.0
Very good
11,020 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,237 reviews
Alaska Airlines
8.0
Very good
11,020 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,970 reviews
Alaska Airlines
8.0
Very good
11,020 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,769 reviews
Alaska Airlines
8.0
Very good
11,020 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,953 reviews
Alaska Airlines
8.0
Very good
11,020 reviews

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Boise to Kaua'i. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boise to Kaua'i?

    Boise Air Term. Gowen Fld (BOI), located 3.3 mi from the city center, is the airport you fly out of when you book flights from Boise to Kaua'i.

  • How long is the flight from Boise to Kaua'i?

    There are many flights that can get you from Boise to Kaua'i in 9h 46m. Fly via Alaska Airlines to get the fastest option. Airlines will cover a distance of 2869 mi.

  • Can I find deals for flights from Boise to Kaua'i that include hotel bookings?

    Yes. In addition to deals on Boise to Kaua'i flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boise to Kaua'i?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boise to Kaua'i.

  • Can I find deals for business class flights from Boise to Kaua'i?

    Yes. Cheapflights offers flight deals from Boise to Kaua'i by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boise to Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from Boise to Kaua'i (average of $440). Flying from Boise to Kaua'i in June is currently the most expensive (average of $689). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Boise to Kaua'i

Discover the top 5 airlines that operate flights from Boise to Kaua'i. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$280Average$668FlexibilityNo cancel feeOn-time85%
DeltaCheapest$326Average$455FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$345Average$831FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$381Average$595FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$450Average$633FlexibilityNo cancel feeOn-time63%

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