$212 Find Cheap Flights from Boise to Kaua'i - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boise to Kaua'i departing on 9/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Book Cheap Boise to Kaua'i Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boise to Kaua'i that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boise to Kaua'i

Tue, Aug 25 - Tue, Sep 1
Delta Logo
12:23 pm - 7:16 pm
BOI
-
LIH
10h 53m
1 stop
Delta Logo
9:55 pm - 9:55 am
LIH
-
BOI
8h 00m
1 stop
$404Delta
Wed, Sep 2 - Tue, Sep 15
Delta Logo
12:23 pm - 7:16 pm
BOI
-
LIH
10h 53m
1 stop
Delta Logo
9:54 pm - 9:54 am
LIH
-
BOI
8h 00m
1 stop
$404Delta
Sun, Aug 23 - Tue, Sep 1
Multiple Airlines Logo
6:23 am - 4:30 pm
BOI
-
LIH
14h 07m
2 stops
Multiple Airlines Logo
5:35 pm - 9:52 am
LIH
-
BOI
12h 17m
2 stops
$404Multiple Airlines
Mon, Aug 24 - Tue, Sep 8
Multiple Airlines Logo
6:47 pm - 10:10 am
BOI
-
LIH
19h 23m
1 stop
Multiple Airlines Logo
5:35 pm - 9:56 am
LIH
-
BOI
12h 21m
2 stops
$410Multiple Airlines
Sun, Aug 23 - Tue, Sep 1
Alaska Airlines Logo
2:17 pm - 7:23 pm
BOI
-
LIH
9h 06m
1 stop
Alaska Airlines Logo
9:35 pm - 9:52 am
LIH
-
BOI
8h 17m
1 stop
$417Alaska Airlines
Mon, Sep 14 - Wed, Sep 16
Alaska Airlines Logo
2:16 pm - 8:14 pm
BOI
-
LIH
9h 58m
1 stop
Alaska Airlines Logo
9:35 pm - 12:35 pm
LIH
-
BOI
11h 00m
1 stop
$424Alaska Airlines
Thu, Aug 20 - Wed, Aug 26
Southwest Logo
6:00 am - 4:10 pm
BOI
-
LIH
14h 10m
2 stops
Southwest Logo
7:10 pm - 11:30 am
LIH
-
BOI
12h 20m
2 stops
$523Southwest
Sat, Sep 12 - Thu, Sep 17
Southwest Logo
7:45 am - 4:10 pm
BOI
-
LIH
12h 25m
2 stops
Southwest Logo
8:25 pm - 2:15 pm
LIH
-
BOI
13h 50m
1 stop
$568Southwest
Mon, Dec 21 - Sat, Dec 26
United Airlines Logo
4:05 pm - 10:39 pm
BOI
-
LIH
9h 34m
1 stop
United Airlines Logo
11:54 pm - 9:15 pm
LIH
-
BOI
18h 21m
1 stop
$1,209United Airlines
Sat, Nov 21 - Sat, Dec 5
United Airlines Logo
7:10 pm - 12:48 pm
BOI
-
LIH
20h 38m
2 stops
United Airlines Logo
2:10 pm - 7:16 pm
LIH
-
BOI
26h 06m
2 stops
$1,215United Airlines
Booking Insights

KAYAK's insights & trends for Boise to Kaua'i flights

Get data-powered insights and trends into flights from Boise to Kaua'i to help you find the cheapest flights, the best time to fly and much more.

Can I save money by flying with a layover from Boise to Kaua'i?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $365, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Boise to Kaua'i?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Boise to Kaua'i, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Boise to Kaua'i is January, when tickets cost $388 (return) on average. On the other hand, the most expensive months are December and June, when the average cost of round-trip tickets is $945 and $673 respectively.

How far in advance should I book a flight from Boise to Kaua'i?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Boise to Kaua'i, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Boise to Kaua'i, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 14 weeks before departure.

Find deals

Good to know

Low season

August

Cheapest flight

$212
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 11% increase in price.
Flight from Boise to Lihue

FAQs - booking Kaua'i flights

  • How does KAYAK find such low prices on flights from Boise to Kaua'i?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boise to Kaua'i.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boise to Kaua'i?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Boise to Kaua'i is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boise to Kaua'i?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Boise to Kaua'i with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boise to Kaua'i?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Boise to Kaua'i up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Kaua'i

Information on your arrival and departure airports

Boise (BOI)