Kaua'i

$170+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIH
Jul 10 — Jul 171
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Cheap 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 June 10, 2026.

This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/910:38 am
BOI
-
LIH
1 stop12h 44m
Delta
Wed 12/1610:45 pm
LIH
-
BOI
1 stop8h 20m
Delta
Deal found 6/9$340
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 8/252:17 pm
BOI
-
LIH
1 stop9h 06m
Alaska Airlines
Wed 8/269:35 pm
LIH
-
BOI
1 stop8h 17m
Alaska Airlines
Deal found 6/9$398
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 8/257:05 am
BOI
-
LIH
2 stops12h 37m
Multiple Airlines
Wed 8/269:35 pm
LIH
-
BOI
1 stop11h 01m
Multiple Airlines
Deal found 6/9$404
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2010:35 am
BOI
-
LIH
1 stop12h 26m
Delta
Sat 9/269:50 pm
LIH
-
BOI
1 stop8h 04m
Delta
Deal found 6/9$410
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:25 am
BOI
-
LIH
2 stops13h 15m
Delta
Mon 9/289:50 pm
LIH
-
BOI
2 stops16h 00m
Delta
Deal found 6/8$421
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 12/96:00 am
BOI
-
LIH
2 stops13h 30m
Multiple Airlines
Wed 12/169:01 am
LIH
-
BOI
2 stops10h 54m
Multiple Airlines
Deal found 6/9$433

Find 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 June 10, 2026.

Round-trip from

$398
(Alaska Airlines)

One-way from

$170
(Delta)

Popular in

December

Cheapest in

January

Average price

$673
From Boise Air Term. Gowen Fld to Kaua'i
One-way flight from Boise Air Term. Gowen Fld to Kaua'i
Highest demand for flights based on searches. 9% potential increase in price ($66 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($39 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 10, 2026.
Use the filters below to find and compare flights from Boise to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Tue 8/25

7:05 am-3:42 pm

2 stops12h 37m

Lihue

Wed 8/26

9:35 pm-12:36 pm

1 stop11h 01m

$404

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Tue 9/1

1:15 pm-9:57 pm

2 stops12h 42m

Lihue

Wed 9/2

6:00 am-11:00 pm

2 stops13h 00m

$469

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Thu 9/17

9:05 am-4:10 pm

1 stop11h 05m

Lihue

Tue 9/22

9:25 pm-3:00 pm

1 stop13h 35m

$479
Quickest round-trip

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Fri 10/2

12:14 pm-7:01 pm

1 stop10h 47m

Lihue

Thu 10/8

9:45 pm-12:06 pm

1 stop10h 21m

$483

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Wed 10/14

7:26 am-5:02 pm

2 stops13h 36m

Lihue

Mon 10/19

2:17 pm-12:28 pm

1 stop18h 11m

$502

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Sun 9/20

6:23 am-3:13 pm

2 stops12h 50m

Lihue

Sat 9/26

5:35 pm-9:56 am

2 stops12h 21m

$503

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Tue 9/1

1:15 pm-7:23 pm

1 stop10h 08m

Lihue

Wed 9/2

3:42 pm-10:27 pm

1 stop26h 45m

$506
Cheapest one-way

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Mon 8/10

12:23 pm-7:16 pm

1 stop10h 53m

$170

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Sun 11/15

2:35 pm-8:22 pm

1 stop8h 47m

$170

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Wed 7/15

2:00 pm-7:42 pm

1 stop9h 42m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 14 resultsSorted by cheapest first
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, February is the cheapest month in which you can book a flight from Boise to Kaua'i (average of $163). Flying from Boise to Kaua'i in August is currently the most expensive (average of $447). 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.

How far ahead should I book a flight from Boise to Kaua'i?

To ensure you get the cheapest price possible for a flight from Boise to Kaua'i, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 June 10, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta 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.

Comfort

7.8

Entertainment

7.0

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Entertainment

7.0

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Entertainment

7.0

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Entertainment

7.0

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Comfort

7.8

Entertainment

7.0

Food

7.0

Overall

7.9

Boarding

8.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

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.

  • What are the cheapest airlines to fly from Boise to Kaua'i one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $189. United Airlines flights start at $213 while deals on Alaska Airlines start at $233 one-way.

  • 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, February is the cheapest month in which you can book a flight from Boise to Kaua'i (average of $163). Flying from Boise to Kaua'i in August is currently the most expensive (average of $447). 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

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Top 4 airlines flying from Boise to Kaua'i

Discover the top 4 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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$227Average$668FlexibilityNo cancel feeOn-time69%
DeltaCheapest$239Average$498FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$379Average$627FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$410Average$581FlexibilityNo cancel feeOn-time63%

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