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Kaua'i

$183+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIH
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 November 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$282
(Delta)

One-way from

$183
(Delta)

Popular in

March

Cheapest in

August

Average price

$586
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. 3% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 20, 2025.

This Delta deal was found by Cheapflights users on 11/18. 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.
Thu 12/111:54 pmBOI - LIH
1 stop9h 16mDelta
Mon 12/159:50 pmLIH - BOI
1 stop12h 24mDelta
Deal found 11/18$282
This Delta deal was found by Cheapflights users on 11/18. 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 12/101:54 pmBOI - LIH
1 stop9h 16mDelta
Mon 12/159:50 pmLIH - BOI
1 stop12h 24mDelta
Deal found 11/18$286
This Delta deal was found by Cheapflights users on 11/18. 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 12/109:00 amBOI - LIH
1 stop14h 10mDelta
Sun 12/1410:55 pmLIH - BOI
2 stops16h 56mDelta
Deal found 11/18$291
This Alaska Airlines deal was found by Cheapflights users on 11/19. 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 12/103:39 pmBOI - LIH
1 stop9h 46mAlaska Airlines
Mon 12/1511:25 pmLIH - BOI
1 stop13h 51mAlaska Airlines
Deal found 11/19$302
This Delta deal was found by Cheapflights users on 11/18. 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.
Fri 12/125:20 amBOI - LIH
2 stops16h 13mDelta
Tue 12/169:50 pmLIH - BOI
1 stop10h 14mDelta
Deal found 11/18$399
This Delta deal was found by Cheapflights users on 11/18. 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.
Fri 12/127:45 amBOI - LIH
1 stop13h 48mDelta
Mon 12/159:50 pmLIH - BOI
1 stop10h 14mDelta
Deal found 11/18$422

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 November 20, 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 12/10

1:54 pm-8:10 pm

1 stop9h 16m

Lihue

Tue 12/16

9:50 pm-11:04 am

1 stop10h 14m

$282

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Thu 2/19

1:46 pm-7:55 pm

1 stop9h 09m

Lihue

Thu 2/26

10:45 pm-1:06 pm

1 stop11h 21m

$286

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Thu 12/11

5:20 am-6:33 pm

2 stops16h 13m

Lihue

Mon 12/15

9:50 pm-11:04 am

1 stop10h 14m

$288

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Thu 1/29

10:39 am-7:55 pm

1 stop12h 16m

Lihue

Wed 2/4

9:31 pm-4:17 pm

2 stops15h 46m

$291

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Wed 1/21

7:25 am-6:31 pm

2 stops14h 06m

Lihue

Mon 1/26

10:45 pm-9:57 am

1 stop8h 12m

$291

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Wed 2/4

5:40 am-6:31 pm

2 stops15h 51m

Lihue

Wed 2/11

9:31 pm-4:05 pm

2 stops15h 34m

$296

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Tue 2/24

5:40 am-6:31 pm

2 stops15h 51m

Lihue

Tue 3/3

9:31 pm-4:05 pm

2 stops15h 34m

$296

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Tue 2/17

5:40 am-6:31 pm

2 stops15h 51m

Lihue

Tue 2/24

9:31 pm-4:05 pm

2 stops15h 34m

$296

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Thu 2/19

1:46 pm-7:55 pm

1 stop9h 09m

$183

BoiseLihue

BOI - LIH

BOILIH

Boise Air Term. Gowen Fld

Sat 2/28

1:46 pm-7:55 pm

1 stop9h 09m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 15 results
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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, July is the cheapest month in which you can book a flight from Boise to Kaua'i (average of $266). Flying from Boise to Kaua'i in October is currently the most expensive (average of $459). 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 November 20, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 39% on flights from Boise to Kaua'i by exploring options for tickets in the evening.

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 November 20, 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
11,321 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Alaska Airlines
8.0
Very good
11,321 reviews
Alaska Airlines
8.0
Very good
11,321 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Southwest
8.0
Very good
4,249 reviews
Alaska Airlines
8.0
Very good
11,321 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Delta
7.9
Good
8,002 reviews
Alaska Airlines
8.0
Very good
11,321 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
Hawaiian Airlines
7.8
Good
2,811 reviews
Alaska Airlines
8.0
Very good
11,321 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.
United Airlines
7.4
Good
9,029 reviews
Alaska Airlines
8.0
Very good
11,321 reviews

Boarding

8.1

Entertainment

7.0

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Marcie,Nov 2025

PIT - SEA

It was not a full flight, so I was able to enjoy a row to myself. Luck of the draw, I guess.

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 16m. Fly via Delta 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, July is the cheapest month in which you can book a flight from Boise to Kaua'i (average of $266). Flying from Boise to Kaua'i in October is currently the most expensive (average of $459). 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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$280Average$668FlexibilityNo cancel feeOn-time85%
DeltaCheapest$327Average$455FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$345Average$831FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$381Average$614FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$450Average$623FlexibilityNo cancel feeOn-time63%

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