Idaho

$322+ Cheap flights from Kaua'i to Idaho

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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — BOI
Jul 7 — Jul 141
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Cheap flight deals from Kaua'i to Idaho

Keep the following information in mind while searching for Kaua'i to Idaho flight deals. Data was last updated July 2, 2025.

Round-trip from

$519
(Delta)

One-way from

$322
(Delta)
From Kaua'i to Idaho
One-way flight from Kaua'i to Idaho

Find flight deals from Kaua'i to Idaho

Cheapest flights from Kaua'i to Idaho
Explore the most affordable flight options available from Kaua'i to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

This Delta deal was found by Cheapflights users on 6/29. 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.
Mon 8/259:40 pmLIH - BOI
1 stop9h 24mDelta
Thu 8/2811:45 amBOI - LIH
1 stop11h 18mDelta
Deal found 6/29$519
This Hawaiian Airlines deal was found by Cheapflights users on 7/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2510:30 pmLIH - BOI
1 stop8h 05mHawaiian Airlines
Thu 8/284:34 pmBOI - LIH
1 stop8h 56mHawaiian Airlines
Deal found 7/1$521
This Alaska Airlines deal was found by Cheapflights users on 6/29. 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 8/2510:30 pmLIH - BOI
1 stop8h 05mAlaska Airlines
Thu 8/286:35 amBOI - LIH
2 stops13h 15mAlaska Airlines
Deal found 6/29$524

Cheapflights Fare Finder

Customize your flight search to find flights from Kaua'i to Idaho 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 July 2, 2025.
Use the filters below to find and compare flights from Kaua'i to Idaho that are best for you.

Fly from

Kaua'i

Fly to

Idaho

Route

Depart

Return

Price

LihueBoise

LIH - BOI

LIHBOI

Lihue

Mon 8/25

9:40 pm-11:04 am

1 stop9h 24m

Boise Air Term. Gowen Fld

Thu 8/28

11:45 am-7:03 pm

1 stop11h 18m

$519

LihueBoise

LIH - BOI

LIHBOI

Lihue

Mon 8/25

10:30 pm-10:35 am

1 stop8h 05m

Boise Air Term. Gowen Fld

Thu 8/28

4:34 pm-9:30 pm

1 stop8h 56m

$521

LihueBoise

LIH - BOI

LIHBOI

Lihue

Mon 8/25

10:30 pm-10:35 am

1 stop8h 05m

Boise Air Term. Gowen Fld

Thu 8/28

6:35 am-3:50 pm

2 stops13h 15m

$524

LihueBoise

LIH - BOI

LIHBOI

Lihue

Fri 11/21

10:45 pm-10:01 am

1 stop8h 16m

$322

LihueBoise

LIH - BOI

LIHBOI

Lihue

Sat 10/25

8:15 am-11:05 pm

2 stops10h 50m

$327

LihueBoise

LIH - BOI

LIHBOI

Lihue

Fri 11/21

2:30 pm-1:30 pm

2 stops20h 00m

$332

LihueBoise

LIH - BOI

LIHBOI

Lihue

Sun 12/28

11:00 pm-1:20 pm

1 stop11h 20m

$407

LihueJackson

LIH - JAC

LIHJAC

Lihue

Sat 8/16

4:36 pm-11:10 am

2 stops14h 34m

$482

LihueJackson

LIH - JAC

LIHJAC

Lihue

Sat 8/16

9:40 pm-8:51 pm

2 stops19h 11m

$494

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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

Have a flexible travel schedule? Discover the best time to fly to Idaho from Kaua'i 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 Kaua'i to Idaho

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

Find hourly flight availability from Kaua'i to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kaua'i to Idaho as you normally would.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated July 2, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Kaua'i to Idaho. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Kaua'i to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Kaua'i to Idaho one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $322. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from Kaua'i to Idaho for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kaua'i to Idaho 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 Kaua'i to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Kaua'i to Idaho (average of $314). Flying from Kaua'i to Idaho in June is currently the most expensive (average of $398). 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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Alternative routes for Kaua'i to Idaho

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Kaua'i to Idaho

Discover the top airline that operate flights from Kaua'i to Idaho. 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$434Average$698FlexibilityNo cancel feeOn-time75%

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