$167+ Cheap flights from Boise (BOI) 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 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIH
Oct 21 — Oct 281
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Boise to Kaua'i with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Boise to Kaua'i
Cheapest
Best
Last-minute
One-way
Cheapest flights from Boise to Kaua'iExplore the most affordable flight options available from Boise to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
Explore the most affordable flight options available from Boise to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 21, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/212:08 pm -
1 stop11h 06m
Tue 11/109:45 pm -
1 stop10h 48m
Deal found 9/16![Delta logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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 11/24:16 pm -
1 stop9h 12m
Mon 11/98:45 pm -
2 stops13h 45m
Deal found 9/18![Multiple Airlines logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:49 am -
2 stops11h 41m
Tue 11/176:30 pm -
2 stops12h 03m
Deal found 9/16![Multiple Airlines logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/26:21 pm -
2 stops20h 45m
Tue 11/108:45 pm -
2 stops9h 48m
Deal found 9/16![Multiple Airlines logo]()
$387
This Delta deal was found by Cheapflights users on 9/17. 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.
Mon 10/512:17 pm -
1 stop10h 53m
Sun 10/119:53 pm -
1 stop8h 01m
Deal found 9/17![Delta logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:20 am -
1 stop10h 31m
Tue 11/1711:29 pm -
1 stop9h 56m
Deal found 9/16![Alaska Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 9/17. 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.
Sat 10/1710:34 am -
1 stop12h 40m
Sat 10/249:53 pm -
1 stop9h 34m
Deal found 9/17![Delta logo]()
$432
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:58 pm -
1 stop12h 29m
Sat 10/243:45 pm -
2 stops16h 50m
Deal found 9/17![Alaska Airlines logo]()
$442
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:32 pm -
2 stops12h 25m
Sat 10/243:45 pm -
2 stops16h 50m
Deal found 9/17![Multiple Airlines logo]()
$448
This American Airlines deal was found by Cheapflights users on 9/18. 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 11/118:00 am -
1 stop11h 10m
Wed 11/1110:35 pm -
1 stop11h 48m
Deal found 9/18![American Airlines logo]()
$495
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/18:05 am -
1 stop10h 57m
Mon 10/59:35 pm -
1 stop11h 47m
Deal found 9/16![American Airlines logo]()
$496
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/55:59 am -
1 stop9h 09m
Sun 10/117:21 pm -
2 stops13h 14m
Deal found 9/17![Multiple Airlines logo]()
$500
Best flights from Boise to Kaua'iDiscover carefully curated flight deals from Boise to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from Boise to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/215:46 am -
1 stop9h 58m
Thu 1/286:00 am -
2 stops13h 22m
Deal found 9/16![Multiple Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 1/216:10 am -
1 stop9h 06m
Sat 1/3011:50 pm -
1 stop8h 17m
Deal found 9/16![United Airlines logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/168:20 am -
1 stop10h 31m
Tue 11/1711:29 pm -
1 stop9h 56m
Deal found 9/16![Alaska Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 9/19. 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.
Thu 11/512:08 pm -
1 stop11h 06m
Wed 11/119:45 pm -
1 stop10h 48m
Deal found 9/19![Delta logo]()
$505
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 11/168:20 am -
1 stop10h 31m
Tue 11/178:45 pm -
2 stops9h 48m
Deal found 9/17![Multiple Airlines logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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 11/24:16 pm -
1 stop9h 12m
Mon 11/98:45 pm -
2 stops13h 45m
Deal found 9/18![Multiple Airlines logo]()
$340
Last-minute flights from Boise to Kaua'iDiscover last-minute flight deals from Boise to Kaua'i. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Kaua'i. Data last updated September 21, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/18:05 am -
1 stop10h 57m
Mon 10/59:35 pm -
1 stop11h 47m
Deal found 9/16![American Airlines logo]()
$496
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:16 pm -
1 stop9h 58m
Mon 10/55:07 pm -
2 stops15h 28m
Deal found 9/16![Multiple Airlines logo]()
$502
This Delta deal was found by Cheapflights users on 9/17. 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.
Mon 10/512:17 pm -
1 stop10h 53m
Sun 10/119:53 pm -
1 stop8h 01m
Deal found 9/17![Delta logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/55:59 am -
1 stop9h 09m
Sun 10/117:21 pm -
2 stops13h 14m
Deal found 9/17![Multiple Airlines logo]()
$500
This Delta deal was found by Cheapflights users on 9/17. 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.
Sat 10/1710:34 am -
1 stop12h 40m
Sat 10/249:53 pm -
1 stop9h 34m
Deal found 9/17![Delta logo]()
$432
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1712:58 pm -
1 stop12h 29m
Sat 10/243:45 pm -
2 stops16h 50m
Deal found 9/17![Alaska Airlines logo]()
$442
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:32 pm -
2 stops12h 25m
Sat 10/243:45 pm -
2 stops16h 50m
Deal found 9/17![Multiple Airlines logo]()
$448
This Expedia deal was found by Cheapflights users on 9/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:06 pm -
1 stop11h 21m
Mon 10/262:17 pm -
1 stop18h 11m
Deal found 9/19![Multiple Airlines logo]()
$505
This Orbitz deal was found by Cheapflights users on 9/18. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:43 am -
1 stop12h 02m
Mon 10/268:03 pm -
2 stops12h 32m
Deal found 9/18![Multiple Airlines logo]()
$511
One-way flights from Boise to Kaua'iSearch for one-way flight options from Boise to Kaua'i. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
Search for one-way flight options from Boise to Kaua'i. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This Delta deal was found by Cheapflights users on 9/17. 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.
Mon 1/182:35 pm -
1 stop8h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 1/216:10 am -
1 stop9h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$198
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/168:24 pm -
1 stop19h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$200
This Southwest deal was found by Cheapflights users on 9/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:00 am -
2 stops11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 11/218:17 am -
1 stop29h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Alaska Airlines logo]()
$465
This American Airlines deal was found by Cheapflights users on 9/19. 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.
Fri 11/206:12 pm -
1 stop25h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![American Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/187:00 am -
3 stops42h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$526
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/175:58 pm -
3 stops43h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Multiple Airlines logo]()
$534
Find flight deals from Boise to Kaua'i
Keep the following information in mind while searching for Boise to Kaua'i flight deals. Data was last updated September 21, 2026.
Round-trip from | $334 (Delta) |
|---|---|
One-way from | $167 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $582 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise 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 7,457,451 searches. Data last updated September 21, 2026.
Use the filters below to find and compare flights from Boise to Kaua'i that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoiseLihue
BOI Boise Air Term. Gowen Fld - LIH Lihue
BOILIH
Boise Air Term. Gowen Fld
Mon 1/18
2:35 pm-8:22 pm
1 stop8h 47m
Lihue
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$167
BoiseLihue
BOI Boise Air Term. Gowen Fld - LIH Lihue
BOILIH
Boise Air Term. Gowen Fld
Thu 1/21
6:10 am-12:16 pm
1 stop9h 06m
Lihue
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$198
BoiseLihue
BOI Boise Air Term. Gowen Fld - LIH Lihue
BOILIH
Boise Air Term. Gowen Fld
Sun 1/17
6:00 am-2:50 pm
2 stops11h 50m
Lihue
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$207
BoiseLihue
BOI Boise Air Term. Gowen Fld - LIH Lihue
BOILIH
Boise Air Term. Gowen Fld
Mon 10/19
6:43 am-2:45 pm
1 stop12h 02m
Lihue
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$250
BoiseLihue
BOI Boise Air Term. Gowen Fld - LIH Lihue
BOILIH
Boise Air Term. Gowen Fld
Tue 10/20
6:43 am-2:45 pm
1 stop12h 02m
Lihue
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$250
BoiseLihue
BOI Boise Air Term. Gowen Fld - LIH Lihue
BOILIH
Boise Air Term. Gowen Fld
Tue 10/20
7:00 am-1:37 pm
2 stops10h 37m
Lihue
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$256
BoiseLihue
BOI Boise Air Term. Gowen Fld - LIH Lihue
BOILIH
Boise Air Term. Gowen Fld
Mon 10/19
8:49 am-7:14 pm
2 stops14h 25m
Lihue
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$256
BoiseLihue
BOI Boise Air Term. Gowen Fld - LIH Lihue
BOILIH
Boise Air Term. Gowen Fld
Thu 1/21
5:46 am-12:44 pm
1 stop9h 58m
Lihue
Thu 1/28
6:00 am-10:22 pm
2 stops13h 22m
$340
BoiseLihue
BOI Boise Air Term. Gowen Fld - LIH Lihue
BOILIH
Boise Air Term. Gowen Fld
Mon 11/16
8:20 am-3:51 pm
1 stop10h 31m
Lihue
Tue 11/17
8:45 pm-9:33 am
2 stops9h 48m
$340
BoiseLihue
BOI Boise Air Term. Gowen Fld - LIH Lihue
BOILIH
Boise Air Term. Gowen Fld
Mon 11/2
4:16 pm-10:28 pm
1 stop9h 12m
Lihue
Mon 11/9
8:45 pm-1:30 pm
2 stops13h 45m
$340
Showing 1-10 of 17 resultsSorted by cheapest first
Best time to book a flight from Boise to Kaua'i
Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Boise with our price prediction graph.
BOI-LIH
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 Boise to Kaua'i
BOI-zzFUS
BOI-LIH
What is the cheapest month to book a flight from Boise to Kaua'i?
Currently, January is the cheapest month in which you can book a flight from Boise to Kaua'i (average of $388). Flying from Boise to Kaua'i in December is currently the most expensive (average of $914). 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.
How far ahead should I book a flight from Boise to Kaua'i?
To ensure you get the cheapest price possible for a flight from Boise to Kaua'i, you should look to book at least 20 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 September 21, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Boise to Kaua'i have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Boise to Kaua'i. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Alternative routes for Boise to Kaua'i
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Kaua'i by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Boise to Kaua'i by cabin class
Find flights from Boise to Kaua'i, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Kaua'i flights
Browse other Boise and Kaua'i flight options. Last updated on September 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Boise to Kaua'i
Discover the top 4 airlines that operate flights from Boise 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 7,457,451 searches. Data last updated September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$239 | Average$498 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$348 | Average$633 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$410 | Average$601 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$452 | Average$628 | FlexibilityNo cancel fee | On-time69% |