$200+ Cheap flights from Boise (BOI) 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — LIH
Apr 3 — Apr 101
1 adult, Economy
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Find cheap flights from Boise to Kaua'i with Cheapflights
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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
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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 March 4, 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 March 4, 2026.
This Expedia deal was found by Cheapflights users on 3/3. 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 4/302:57 pm
BOI
- LIH
2 stops11h 24m
Multiple Airlines
Mon 5/43:24 pm
LIH
- BOI
2 stops18h 28m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$399
This Travelocity deal was found by Cheapflights users on 3/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/74:38 pm
BOI
- LIH
1 stop8h 48m
Multiple Airlines
Thu 5/145:01 pm
LIH
- BOI
2 stops14h 02m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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 4/139:02 am
BOI
- LIH
1 stop28h 50m
Multiple Airlines
Mon 4/207:55 pm
LIH
- BOI
2 stops12h 30m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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.
Fri 4/177:40 am
BOI
- LIH
1 stop30h 12m
Alaska Airlines
Wed 4/2210:26 pm
LIH
- BOI
1 stop10h 09m
Alaska Airlines
Deal found 3/2![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 3/2. 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.
Sun 5/1010:34 am
BOI
- LIH
1 stop12h 32m
Delta
Fri 5/159:40 pm
LIH
- BOI
1 stop8h 14m
Delta
Deal found 3/2![Delta logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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 4/309:02 am
BOI
- LIH
1 stop28h 42m
Alaska Airlines
Mon 5/410:26 pm
LIH
- BOI
1 stop10h 09m
Alaska Airlines
Deal found 3/3![Alaska Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 3/2. 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.
Fri 4/1710:41 am
BOI
- LIH
1 stop10h 59m
Delta
Wed 4/229:25 pm
LIH
- BOI
2 stops11h 47m
Delta
Deal found 3/2![Delta logo]()
$438
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 March 4, 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 March 4, 2026.
This Delta deal was found by Cheapflights users on 2/27. 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.
Sun 5/1010:34 am
BOI
- LIH
1 stop12h 32m
Delta
Fri 5/159:40 pm
LIH
- BOI
1 stop13h 03m
Delta
Deal found 2/27![Delta logo]()
$419
This Southwest deal was found by Cheapflights users on 3/3. 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.
Thu 4/161:20 pm
BOI
- LIH
2 stops12h 05m
Southwest
Mon 4/208:10 pm
LIH
- BOI
2 stops13h 10m
Southwest
Deal found 3/3![Southwest logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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.
Tue 4/147:40 am
BOI
- LIH
1 stop30h 05m
Alaska Airlines
Sun 4/1912:12 pm
LIH
- BOI
1 stop31h 35m
Alaska Airlines
Deal found 2/27![Alaska Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 2/28. 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.
Sun 5/1010:34 am
BOI
- LIH
1 stop12h 32m
Delta
Mon 5/189:40 pm
LIH
- BOI
1 stop8h 14m
Delta
Deal found 2/28![Delta logo]()
$446
This Delta deal was found by Cheapflights users on 3/1. 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.
Sun 5/1010:34 am
BOI
- LIH
1 stop12h 32m
Delta
Sun 5/179:40 pm
LIH
- BOI
1 stop8h 14m
Delta
Deal found 3/1![Delta logo]()
$474
This Delta deal was found by Cheapflights users on 3/1. 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 5/28:59 am
BOI
- LIH
1 stop12h 41m
Delta
Sat 5/99:40 pm
LIH
- BOI
1 stop13h 20m
Delta
Deal found 3/1![Delta logo]()
$514
Last-minute flights from Boise to Kaua'iDiscover last-minute flight deals from Boise to Kaua'i. Data last updated March 4, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Kaua'i. Data last updated March 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 2/27. 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 4/137:00 am
BOI
- LIH
1 stop30h 50m
Multiple Airlines
Fri 4/1711:05 am
LIH
- BOI
1 stop24h 26m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 2/27. 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 4/139:02 am
BOI
- LIH
1 stop28h 50m
Multiple Airlines
Mon 4/207:55 pm
LIH
- BOI
2 stops12h 30m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 3/1. 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 4/139:02 am
BOI
- LIH
1 stop28h 50m
Alaska Airlines
Mon 4/203:02 pm
LIH
- BOI
1 stop26h 38m
Alaska Airlines
Deal found 3/1![Alaska Airlines logo]()
$442
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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.
Tue 4/147:40 am
BOI
- LIH
1 stop30h 05m
Multiple Airlines
Sun 4/1911:05 am
LIH
- BOI
1 stop24h 26m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 3/3. 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.
Thu 4/161:20 pm
BOI
- LIH
2 stops12h 05m
Southwest
Mon 4/208:10 pm
LIH
- BOI
1 stop12h 20m
Southwest
Deal found 3/3![Southwest logo]()
$446
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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.
Fri 4/177:40 am
BOI
- LIH
1 stop30h 12m
Alaska Airlines
Wed 4/2210:26 pm
LIH
- BOI
1 stop10h 09m
Alaska Airlines
Deal found 3/2![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 3/2. 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.
Fri 4/1710:41 am
BOI
- LIH
1 stop10h 59m
Delta
Wed 4/229:25 pm
LIH
- BOI
2 stops11h 47m
Delta
Deal found 3/2![Delta logo]()
$438
This Expedia deal was found by Cheapflights users on 3/3. 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 4/302:57 pm
BOI
- LIH
2 stops11h 24m
Multiple Airlines
Mon 5/43:24 pm
LIH
- BOI
2 stops18h 28m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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 4/309:02 am
BOI
- LIH
1 stop28h 42m
Alaska Airlines
Mon 5/410:26 pm
LIH
- BOI
1 stop10h 09m
Alaska Airlines
Deal found 3/3![Alaska Airlines logo]()
$421
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 March 4, 2026.
Search for one-way flight options from Boise to Kaua'i. Find affordable one-way fares based on user searches. Data last updated March 4, 2026.
This United Airlines deal was found by Cheapflights users on 2/27. 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.
Tue 4/146:15 am
BOI
- LIH
1 stop9h 08m
United Airlines
Deal found 2/27![United Airlines logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 2/27. 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.
Tue 4/146:00 am
BOI
- LIH
2 stops10h 52m
Multiple Airlines
Deal found 2/27![Multiple Airlines logo]()
$205
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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 5/96:08 pm
BOI
- LIH
2 stops20h 48m
Multiple Airlines
Deal found 3/3![Multiple Airlines logo]()
$209
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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.
Fri 4/177:40 am
BOI
- LIH
1 stop30h 12m
Alaska Airlines
Deal found 3/2![Alaska Airlines logo]()
$227
This Alaska Airlines deal was found by Cheapflights users on 3/1. 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.
Fri 4/176:00 am
BOI
- LIH
2 stops13h 46m
Multiple Airlines
Deal found 3/1![Multiple Airlines logo]()
$255
This Southwest deal was found by Cheapflights users on 2/27. 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.
Thu 3/196:00 am
BOI
- LIH
1 stop11h 10m
Southwest
Deal found 2/27![Southwest logo]()
$263
This American Airlines deal was found by Cheapflights users on 3/3. 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 3/186:38 am
BOI
- LIH
2 stops13h 36m
American Airlines
Deal found 3/3![American Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 3/3. 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.
Wed 3/189:00 am
BOI
- LIH
1 stop12h 41m
Delta
Deal found 3/3![Delta logo]()
$342
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 March 4, 2026.
Round-trip from | $370 (Kiwi.com) |
|---|---|
One-way from | $200 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $675 |
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 2,558,603 searches. Data last updated March 4, 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
BoiseLihue
BOI - LIH
BOILIH
Boise Air Term. Gowen Fld
Sun 5/10
10:34 am-7:06 pm
1 stop12h 32m
Lihue
Fri 5/15
9:40 pm-2:43 pm
1 stop13h 03m
$419
BoiseLihue
BOI - LIH
BOILIH
Boise Air Term. Gowen Fld
Sun 5/10
10:34 am-7:06 pm
1 stop12h 32m
Lihue
Mon 5/18
9:40 pm-9:54 am
1 stop8h 14m
$446
BoiseLihue
BOI - LIH
BOILIH
Boise Air Term. Gowen Fld
Thu 4/16
1:20 pm-9:25 pm
2 stops12h 05m
Lihue
Mon 4/20
8:10 pm-1:20 pm
2 stops13h 10m
$451
BoiseLihue
BOI - LIH
BOILIH
Boise Air Term. Gowen Fld
Sun 5/10
10:34 am-7:06 pm
1 stop12h 32m
Lihue
Sun 5/17
9:40 pm-9:54 am
1 stop8h 14m
$474
BoiseLihue
BOI - LIH
BOILIH
Boise Air Term. Gowen Fld
Tue 4/14
7:40 am-9:45 am
1 stop30h 05m
Lihue
Sun 4/19
12:12 pm-11:47 pm
1 stop31h 35m
$482
BoiseLihue
BOI - LIH
BOILIH
Boise Air Term. Gowen Fld
Sat 5/2
8:59 am-5:40 pm
1 stop12h 41m
Lihue
Sat 5/9
9:40 pm-3:00 pm
1 stop13h 20m
$514
BoiseLihue
BOI - LIH
BOILIH
Boise Air Term. Gowen Fld
Tue 4/14
6:15 am-11:23 am
1 stop9h 08m
$200
BoiseLihue
BOI - LIH
BOILIH
Boise Air Term. Gowen Fld
Tue 4/14
6:00 am-12:52 pm
2 stops10h 52m
$205
BoiseLihue
BOI - LIH
BOILIH
Boise Air Term. Gowen Fld
Fri 4/17
7:40 am-9:52 am
1 stop30h 12m
$227
BoiseLihue
BOI - LIH
BOILIH
Boise Air Term. Gowen Fld
Sat 5/16
4:19 pm-12:31 pm
2 stops24h 12m
$247
Showing 1-10 of 14 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, December is the cheapest month in which you can book a flight from Boise to Kaua'i (average of $251). Flying from Boise to Kaua'i in October is currently the most expensive (average of $459). 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 March 4, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Crew
8.5
Entertainment
7.0
Overall
8.0
Boarding
8.1
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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.
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Complete your trip
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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 March 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Boise to Kaua'i
Discover the top 5 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 2,558,603 searches. Data last updated March 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$227 | Average$670 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$240 | Average$668 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$305 | Average$457 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$379 | Average$636 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$410 | Average$581 | FlexibilityNo cancel fee | On-time63% |