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Kaua'i

$254+ Cheap flights from Idaho Falls (IDA) 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — LIH
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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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 June 23, 2025.

Round-trip from

$1,052
(Alaska Airlines)

One-way from

$254
(Alaska Airlines)

Popular in

June

Cheapest in

October

Average price

$1,061
From Idaho Falls Fanning Field to Kaua'i
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One-way flight from Idaho Falls Fanning Field to Kaua'i
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Highest demand for flights based on searches. 12% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 23, 2025.

This Delta deal was found by Cheapflights users on 6/21. 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.
Tue 12/306:45 pmIDA - LIH
2 stops26h 36mDelta
Tue 1/610:26 pmLIH - IDA
2 stops16h 39mDelta
Deal found 6/21$713
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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 12/284:00 pmIDA - LIH
2 stops22h 55mAlaska Airlines
Wed 1/73:40 pmLIH - IDA
2 stops27h 58mAlaska Airlines
Deal found 6/21$891
This American Airlines deal was found by Cheapflights users on 6/21. 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.
Sun 12/285:30 amIDA - LIH
1 stop12h 50mAmerican Airlines
Wed 1/710:10 pmLIH - IDA
1 stop20h 53mAmerican Airlines
Deal found 6/21$1,164
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Sun 7/65:00 amIDA - LIH
1 stop14h 35mUnited Airlines
Thu 7/107:40 pmLIH - IDA
1 stop10h 04mUnited Airlines
Deal found 6/21$1,186

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 June 23, 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 7/6

6:15 am-1:15 pm

1 stop11h 00m

Lihue

Thu 7/10

10:54 pm-10:39 pm

2 stops19h 45m

$1,052

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Sun 7/6

5:00 am-3:35 pm

1 stop14h 35m

Lihue

Thu 7/10

7:40 pm-9:44 am

1 stop10h 04m

$1,186

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Fri 11/21

5:37 am-3:04 pm

1 stop12h 27m

Lihue

Thu 11/27

10:11 pm-10:01 pm

1 stop20h 50m

$1,381

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Wed 9/17

3:57 pm-12:14 pm

2 stops24h 17m

$254

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Wed 9/17

3:57 pm-9:30 pm

1 stop9h 33m

$270

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Wed 9/17

5:56 pm-3:50 pm

3 stops25h 54m

$509

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Mon 6/30

6:00 am-5:08 pm

2 stops15h 08m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

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, January is the cheapest month in which you can book a flight from Idaho Falls to Kaua'i (average of $440). Flying from Idaho Falls to Kaua'i in June is currently the most expensive (average of $689). 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.

Rainfall in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kaua'i ranges from 2.2 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. June is typically the driest time to visit Kaua'i when rainfall is around 2.2 in.

Temperature in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kaua'i, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 23, 2025.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,962 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,520 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,830 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

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 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.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $254. Hawaiian Airlines flights start at $270 while deals on United Airlines start at $509 one-way.

  • 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, January is the cheapest month in which you can book a flight from Idaho Falls to Kaua'i (average of $440). Flying from Idaho Falls to Kaua'i in June is currently the most expensive (average of $689). 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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$493Average$690FlexibilityNo cancel feeOn-time75%

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