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Cheap flights from Idaho Falls to Kaua'i from $379

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Kaua'i departing on 2/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Idaho Falls to Kaua'i

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
8:00 am - 10:18 pmIDA-LIH
17h 18m1 stop
Alaska Airlines Logo
11:19 pm - 4:43 pmLIH-IDA
14h 24m1 stop
$379Alaska Airlines
Find Deal
Tue, Feb 24 - Tue, Mar 3
Alaska Airlines Logo
8:00 am - 10:18 pmIDA-LIH
17h 18m1 stop
Alaska Airlines Logo
11:19 pm - 4:43 pmLIH-IDA
14h 24m1 stop
$389Alaska Airlines
Find Deal
Wed, Feb 25 - Mon, Mar 2
Alaska Airlines Logo
8:00 am - 10:18 pmIDA-LIH
17h 18m1 stop
Alaska Airlines Logo
11:19 pm - 4:43 pmLIH-IDA
14h 24m1 stop
$418Alaska Airlines
Find Deal
Tue, Feb 24 - Thu, Mar 5
Alaska Airlines Logo
8:00 am - 10:18 pmIDA-LIH
17h 18m1 stop
Alaska Airlines Logo
11:19 pm - 4:43 pmLIH-IDA
14h 24m1 stop
$427Alaska Airlines
Find Deal
Wed, Feb 25 - Thu, Mar 5
Alaska Airlines Logo
8:00 am - 10:18 pmIDA-LIH
17h 18m1 stop
Alaska Airlines Logo
6:32 pm - 4:43 pmLIH-IDA
19h 11m2 stops
$435Alaska Airlines
Find Deal
Tue, Feb 24 - Mon, Mar 2
Alaska Airlines Logo
8:00 am - 10:18 pmIDA-LIH
17h 18m1 stop
Alaska Airlines Logo
11:19 pm - 4:43 pmLIH-IDA
14h 24m1 stop
$442Alaska Airlines
Find Deal
Sat, Feb 28 - Tue, Mar 3
Alaska Airlines Logo
8:00 am - 10:18 pmIDA-LIH
17h 18m1 stop
Alaska Airlines Logo
5:00 pm - 4:43 pmLIH-IDA
20h 43m2 stops
$445Alaska Airlines
Find Deal
Tue, Feb 24 - Tue, Mar 3
Alaska Airlines Logo
5:20 pm - 10:46 amIDA-LIH
20h 26m2 stops
Alaska Airlines Logo
2:54 pm - 4:43 pmLIH-IDA
22h 49m2 stops
$450Alaska Airlines
Find Deal
Wed, Feb 25 - Tue, Mar 3
Alaska Airlines Logo
8:00 am - 10:18 pmIDA-LIH
17h 18m1 stop
Alaska Airlines Logo
11:19 pm - 4:43 pmLIH-IDA
14h 24m1 stop
$456Alaska Airlines
Find Deal
Mon, Feb 23 - Tue, Mar 3
Alaska Airlines Logo
9:00 am - 10:41 pmIDA-LIH
16h 41m1 stop
Alaska Airlines Logo
10:20 pm - 6:18 pmLIH-IDA
16h 58m1 stop
$459Alaska Airlines
Find Deal
Wed, Jan 14 - Wed, Jan 21

Alaska Airlines flights from Idaho Falls to Kaua'i

Our best Alaska Airlines deals on Idaho Falls to Kaua'i flight tickets
Alaska Airlines
Feb 24
IDA8:00 amIdaho Falls Fanning Field
17h 18m
1 stop
LIH10:18 pmLihue
Mar 2
LIH11:19 pmLihue
14h 24m
1 stop
IDA4:43 pmIdaho Falls Fanning Field
$379
Find similar
Alaska Airlines
Feb 25
IDA8:00 amIdaho Falls Fanning Field
17h 18m
1 stop
LIH10:18 pmLihue
Mar 2
LIH11:19 pmLihue
14h 24m
1 stop
IDA4:43 pmIdaho Falls Fanning Field
$389
Find similar
Alaska Airlines
Feb 24
IDA8:00 amIdaho Falls Fanning Field
17h 18m
1 stop
LIH10:18 pmLihue
Mar 5
LIH11:19 pmLihue
14h 24m
1 stop
IDA4:43 pmIdaho Falls Fanning Field
$418
Find similar

United Airlines flights from Idaho Falls to Kaua'i

Our best United Airlines deals on Idaho Falls to Kaua'i flight tickets
United Airlines
Nov 30
IDA2:45 pmIdaho Falls Fanning Field
25h 13m
2 stops
LIH12:58 pmLihue
Dec 7
LIH2:15 pmLihue
27h 57m
2 stops
IDA9:12 pmIdaho Falls Fanning Field
$1,208
Find similar
United Airlines
Nov 30
IDA7:00 amIdaho Falls Fanning Field
12h 58m
1 stop
LIH4:58 pmLihue
Dec 7
LIH2:15 pmLihue
27h 57m
2 stops
IDA9:12 pmIdaho Falls Fanning Field
$1,246
Find similar
United Airlines
Nov 30
IDA7:00 amIdaho Falls Fanning Field
12h 58m
1 stop
LIH4:58 pmLihue
Dec 7
LIH8:30 pmLihue
10h 17m
1 stop
IDA9:47 amIdaho Falls Fanning Field
$1,303
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 29, 2025.
Use the filters below to find and compare flights from Idaho Falls to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Tue 2/24

8:00 am-10:18 pm

1 stop17h 18m

Lihue

Tue 3/3

11:19 pm-4:43 pm

1 stop14h 24m

$379

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Wed 2/25

8:00 am-10:18 pm

1 stop17h 18m

Lihue

Mon 3/2

11:19 pm-4:43 pm

1 stop14h 24m

$389

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Tue 2/24

8:00 am-10:18 pm

1 stop17h 18m

Lihue

Thu 3/5

11:19 pm-4:43 pm

1 stop14h 24m

$418

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Wed 2/25

8:00 am-10:18 pm

1 stop17h 18m

Lihue

Thu 3/5

11:19 pm-4:43 pm

1 stop14h 24m

$427

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Tue 2/24

8:00 am-10:18 pm

1 stop17h 18m

Lihue

Mon 3/2

6:32 pm-4:43 pm

2 stops19h 11m

$435

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Sat 2/28

8:00 am-10:18 pm

1 stop17h 18m

Lihue

Tue 3/3

11:19 pm-4:43 pm

1 stop14h 24m

$442

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Tue 2/24

8:00 am-10:18 pm

1 stop17h 18m

Lihue

Tue 3/3

5:00 pm-4:43 pm

2 stops20h 43m

$445

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Wed 2/25

5:20 pm-10:46 am

2 stops20h 26m

Lihue

Tue 3/3

2:54 pm-4:43 pm

2 stops22h 49m

$450

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Mon 2/23

8:00 am-10:18 pm

1 stop17h 18m

Lihue

Tue 3/3

11:19 pm-4:43 pm

1 stop14h 24m

$456

Idaho FallsLihue

IDA - LIH

IDALIH

Idaho Falls Fanning Field

Wed 1/14

9:00 am-10:41 pm

1 stop16h 41m

Lihue

Wed 1/21

10:20 pm-6:18 pm

1 stop16h 58m

$459

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Kaua'i from

How to get the cheapest flight ticket from Idaho Falls to Kaua'i

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Kaua'i?

According to our data, Saturday is the cheapest day to fly to Kaua'i from Idaho Falls. The lowest ticket price found for a Saturday departure recently was $367. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $879. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kaua'i.

What is the cheapest time of day to depart on your flight to Kaua'i?

The cheapest time of day to fly to Kaua'i is in the afternoon when flights can be purchased for as low as $624. In contrast, the most expensive time of day to depart to Kaua'i is in the morning when prices are around $757.

Can stopping save me money on Idaho Falls to Kaua'i flights?

No. A direct flight is the cheapest option for a flight between Idaho Falls to Kaua'i.

Cheap Idaho Falls to Kaua'i flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Kaua'i

Fastest flight time

13h 29m

Direct flights

None
The fastest flight from Idaho Falls to Kaua'i takes 13h 29m
There are no direct flights from Idaho Falls to Kaua'i. There are no popular flight routes from Idaho Falls to Kaua'i.
Search flight deals

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Kaua'i?

    Prices for flights from Idaho Falls Fanning Field Airport to Kaua'i are updated daily.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Kaua'i?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Kaua'i?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Kaua'i.

  • What documentation or ID do you need to fly to Kaua'i?

    The travel and health documents required for your trip to Kaua'i can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kaua'i. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Idaho Falls to Kaua'i?

Best airlines flying from Idaho Falls to Kaua'i

Compare and see reviews for airlines that fly from Idaho Falls to Kaua'i with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $609Free CancellationRating
8.0
11,376 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho Falls to Kaua'i?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho Falls to Kaua'i. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho Falls to Kaua'i with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Kaua'i from Idaho Falls with this policy.

How can momondo help me find flights from Idaho Falls to Kaua'i?

momondo helps you find the best flight between Idaho Falls and Kaua'i by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho Falls to Kaua'i right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Idaho Falls to Kaua'i now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Kaua'i and let you know when they change.

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