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Kaua'i

$463+ Cheap flights from Idaho Falls (IDA) to Kaua'i

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — LIH
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find flight deals from Idaho Falls to Kaua'i

Cheapest flights from Idaho Falls to Kaua'i
Explore the most affordable flight options available from Idaho Falls to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 12/66:05 amIDA - LIH
1 stop19h 20mAlaska Airlines
Thu 12/1111:25 pmLIH - IDA
1 stop21h 34mAlaska Airlines
Deal found 11/2$463
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 12/66:05 amIDA - LIH
1 stop19h 20mAlaska Airlines
Sat 12/1311:25 pmLIH - IDA
1 stop21h 34mAlaska Airlines
Deal found 11/2$616
This Alaska Airlines deal was found by Cheapflights users on 11/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/173:50 pmIDA - LIH
2 stops21h 53mAlaska Airlines
Fri 11/2112:54 pmLIH - IDA
2 stops32h 05mAlaska Airlines
Deal found 11/1$723
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Sat 12/136:05 amIDA - LIH
1 stop19h 20mAlaska Airlines
Sat 12/1311:25 pmLIH - IDA
1 stop21h 34mAlaska Airlines
Deal found 11/2$926
This Alaska Airlines deal was found by Cheapflights users on 11/2. 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.
Sun 11/236:00 amIDA - LIH
1 stop19h 32mAlaska Airlines
Fri 11/2811:32 pmLIH - IDA
1 stop12h 05mAlaska Airlines
Deal found 11/2$1,026

Cheap flight deals from Idaho Falls to Kaua'i

Keep the following information in mind while searching for Idaho Falls to Kaua'i flight deals. Data was last updated November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$463
(Alaska Airlines)

Popular in

June

Cheapest in

October

Average price

$626
Provider with most accurate pricing for Idaho Falls Fanning Field-Lihue flight deals.
Search Deals
Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Lihue flights.
Search Deals
From Idaho Falls Fanning Field to Kaua'i
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls 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 3, 2025.
Use the filters below to find and compare flights from Idaho Falls to Kaua'i that are best for you.

Fly from

Idaho Falls

Fly to

Kaua'i

Route

Depart

Return

Price

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Fri 2/20

8:00 am-10:15 pm

1 stop17h 15m

Lihue

Fri 2/27

2:50 pm-3:23 pm

2 stops21h 33m

$545

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Sat 12/6

6:05 am-10:25 pm

1 stop19h 20m

Lihue

Sat 12/13

11:25 pm-11:59 pm

1 stop21h 34m

$616

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Wed 4/29

4:00 pm-9:45 am

2 stops21h 45m

Lihue

Sun 5/3

11:00 am-3:20 pm

2 stops24h 20m

$647

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Mon 11/17

3:50 pm-10:43 am

2 stops21h 53m

Lihue

Fri 11/21

12:54 pm-11:59 pm

2 stops32h 05m

$723

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Wed 3/25

6:15 am-12:11 pm

1 stop9h 56m

Lihue

Wed 4/1

7:00 am-10:35 pm

2 stops11h 35m

$928

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Idaho Falls 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 Idaho Falls to Kaua'i
No data available for this route at this time. Please check back soon.

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 3, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines from Idaho Falls to Kaua'i to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,236 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Comfort

7.8

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
11,236 reviews
Alaska Airlines
8.0
Very good
11,236 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Food

7.1

Comfort

7.8

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 Idaho Falls 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 Idaho Falls to Kaua'i?

    If you book a flight to Kaua'i from Idaho Falls, you will be flying from Fanning Field, which is the city’s only airport. Idaho Falls Fanning Field (IDA) is located 3.8 mi from the center of Idaho Falls.

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

    Departing from Idaho Falls to Kaua'i will take you 17h 15m. Airlines will cover a distance of 3069 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Idaho Falls 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.

See more FAQs

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Top airline flying from Idaho Falls to Kaua'i

Discover the top airline that operate flights from Idaho Falls 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 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$578Average$694FlexibilityNo cancel feeOn-time75%

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