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Kaua'i

$430+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — LIH
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:00 amIDA - LIH
1 stop12h 18mAmerican Airlines
Sun 1/410:45 pmLIH - IDA
1 stop20h 36mAmerican Airlines
Deal found 12/16$1,317
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 amIDA - LIH
2 stops12h 48mUnited Airlines
Sun 1/411:59 pmLIH - IDA
2 stops18h 15mUnited Airlines
Deal found 12/16$1,396

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$430
(Alaska Airlines)

Popular in

June

Cheapest in

October
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. 12% potential increase in price ($114 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
Search Deals

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 December 18, 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

Sun 3/1

8:00 am-10:18 pm

1 stop17h 18m

Lihue

Tue 3/10

10:19 pm-11:36 pm

1 stop21h 17m

$430

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-10:41 pm

1 stop30h 43m

Lihue

Wed 1/28

10:20 pm-10:59 pm

1 stop21h 39m

$463

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Sun 3/1

8:00 am-10:18 pm

1 stop17h 18m

Lihue

Tue 3/10

1:33 pm-11:36 pm

2 stops30h 03m

$465

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-10:41 pm

1 stop30h 43m

Lihue

Wed 1/28

6:00 am-10:59 pm

2 stops13h 59m

$487

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Fri 2/20

5:20 pm-10:49 am

2 stops20h 29m

Lihue

Fri 2/27

2:54 pm-4:43 pm

2 stops22h 49m

$560

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Fri 2/20

5:20 pm-10:49 am

2 stops20h 29m

Lihue

Fri 2/27

2:56 pm-4:43 pm

2 stops22h 47m

$591

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Thu 3/26

6:15 am-12:11 pm

1 stop9h 56m

Lihue

Tue 3/31

10:25 pm-3:20 pm

1 stop12h 55m

$675

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Fri 4/24

6:15 am-9:24 pm

1 stop19h 09m

Lihue

Sat 5/2

10:25 pm-10:35 pm

1 stop20h 10m

$730

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Fri 4/24

6:15 am-9:24 pm

1 stop19h 09m

Lihue

Sat 5/2

8:38 pm-10:35 pm

2 stops21h 57m

$734

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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

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

Currently, June is the cheapest month in which you can book a flight from Idaho Falls to Kaua'i (average of $364). Flying from Idaho Falls to Kaua'i in September is currently the most expensive (average of $867). 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.

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 December 18, 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
11,477 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,477 reviews
Alaska Airlines
8.0
Very good
11,477 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 18m. 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.

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

    Currently, June is the cheapest month in which you can book a flight from Idaho Falls to Kaua'i (average of $364). Flying from Idaho Falls to Kaua'i in September is currently the most expensive (average of $867). 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 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$609Average$694FlexibilityNo cancel feeOn-time75%

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