$163+ Cheap flights from Ontario (ONT) 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LIH
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Find cheap flights from Ontario 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 Ontario to Kaua'iExplore the most affordable flight options available from Ontario to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Ontario to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This flugladen.de 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop8h 00m
Mon 11/26:00 am -
1 stop14h 43m
Deal found 9/17![Multiple Airlines logo]()
$315
This flugladen.de 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:55 am -
1 stop14h 02m
Mon 11/911:50 am -
1 stop8h 53m
Deal found 9/17![Multiple Airlines logo]()
$318
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 10/267:00 am -
1 stop7h 18m
Tue 11/31:27 pm -
1 stop7h 16m
Deal found 9/16![Multiple Airlines logo]()
$325
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 11/99:55 am -
1 stop11h 35m
Sun 11/158:03 pm -
1 stop24h 40m
Deal found 9/16![Multiple Airlines logo]()
$326
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 11/129:55 am -
1 stop14h 02m
Fri 11/136:00 am -
1 stop14h 43m
Deal found 9/16![Multiple Airlines logo]()
$328
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.
Wed 12/28:03 am -
1 stop10h 33m
Tue 12/811:32 pm -
1 stop9h 41m
Deal found 9/16![Multiple Airlines logo]()
$330
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.
Sun 11/89:55 am -
1 stop8h 40m
Mon 11/1612:45 pm -
1 stop7h 58m
Deal found 9/16![Multiple Airlines logo]()
$333
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 10/1911:56 am -
1 stop10h 18m
Tue 10/279:53 pm -
1 stop10h 23m
Deal found 9/16![Delta logo]()
$334
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 10/1911:56 am -
1 stop10h 18m
Mon 10/269:53 pm -
1 stop10h 23m
Deal found 9/17![Delta logo]()
$335
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop11h 13m
Fri 10/3012:23 pm -
1 stop8h 31m
Deal found 9/16![Multiple Airlines logo]()
$338
This flugladen.de 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/59:55 am -
1 stop11h 35m
Sun 11/811:29 pm -
1 stop9h 49m
Deal found 9/17![Multiple Airlines logo]()
$339
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.
Thu 12/36:00 am -
2 stops16h 20m
Mon 12/79:45 pm -
1 stop11h 32m
Deal found 9/16![Delta logo]()
$340
Best flights from Ontario to Kaua'iDiscover carefully curated flight deals from Ontario to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Ontario to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 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.
Thu 12/311:57 am -
1 stop10h 23m
Thu 12/109:45 pm -
2 stops16h 37m
Deal found 9/16![Delta logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/277:00 am -
2 stops11h 39m
Wed 10/2810:31 pm -
1 stop11h 45m
Deal found 9/15![Multiple Airlines logo]()
$383
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:00 am -
1 stop11h 05m
Sun 11/229:05 pm -
2 stops11h 45m
Deal found 9/18![Southwest logo]()
$453
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.
Thu 12/36:00 am -
2 stops16h 20m
Wed 12/99:45 pm -
2 stops24h 13m
Deal found 9/16![Delta logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 11/19:55 am -
1 stop10h 54m
Sun 11/811:29 pm -
1 stop9h 49m
Deal found 9/15![Multiple Airlines logo]()
$435
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.
Thu 12/311:57 am -
1 stop10h 23m
Sun 12/69:45 pm -
1 stop11h 32m
Deal found 9/16![Delta logo]()
$406
This Delta deal was found by Cheapflights users on 9/14. 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 11/146:00 am -
2 stops16h 07m
Wed 11/189:45 pm -
1 stop11h 32m
Deal found 9/14![Delta logo]()
$445
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1911:56 am -
1 stop10h 18m
Mon 10/269:53 pm -
1 stop10h 23m
Deal found 9/18![Delta logo]()
$451
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.
Tue 10/136:00 am -
2 stops16h 19m
Tue 10/209:53 pm -
1 stop10h 23m
Deal found 9/19![Delta logo]()
$458
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.
Thu 12/37:00 am -
1 stop15h 20m
Sat 12/59:45 pm -
1 stop11h 32m
Deal found 9/16![Delta logo]()
$459
Last-minute flights from Ontario to Kaua'iDiscover last-minute flight deals from Ontario to Kaua'i. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Kaua'i. Data last updated September 20, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/152:13 pm -
1 stop10h 14m
Wed 10/214:20 pm -
1 stop26h 09m
Deal found 9/15![Multiple Airlines logo]()
$330
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:02 am -
1 stop11h 43m
Mon 10/268:45 pm -
1 stop21h 44m
Deal found 9/16![Multiple Airlines logo]()
$326
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 10/1911:56 am -
1 stop10h 18m
Tue 10/279:53 pm -
1 stop10h 23m
Deal found 9/17![Delta logo]()
$334
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 10/1911:56 am -
1 stop10h 18m
Mon 10/269:53 pm -
1 stop10h 23m
Deal found 9/17![Delta logo]()
$335
This Delta deal was found by Cheapflights users on 9/15. 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 10/209:45 am -
2 stops12h 34m
Wed 10/289:53 pm -
1 stop10h 23m
Deal found 9/15![Delta logo]()
$340
This Delta deal was found by Cheapflights users on 9/15. 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 10/219:45 am -
2 stops12h 29m
Mon 10/269:53 pm -
2 stops11h 43m
Deal found 9/15![Delta logo]()
$345
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.
Fri 10/237:00 am -
1 stop7h 18m
Mon 10/2612:23 pm -
1 stop8h 31m
Deal found 9/17![Multiple Airlines logo]()
$347
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 10/267:00 am -
1 stop7h 18m
Wed 11/412:45 pm -
1 stop7h 58m
Deal found 9/16![Multiple Airlines logo]()
$325
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 10/267:00 am -
1 stop7h 18m
Fri 11/612:45 pm -
1 stop7h 58m
Deal found 9/16![Multiple Airlines logo]()
$333
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop11h 13m
Fri 10/3012:23 pm -
1 stop8h 31m
Deal found 9/16![Multiple Airlines logo]()
$338
This flugladen.de 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop11h 59m
Tue 11/311:06 am -
1 stop9h 37m
Deal found 9/17![Multiple Airlines logo]()
$315
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.
Fri 10/307:00 am -
1 stop7h 18m
Thu 11/51:27 pm -
1 stop7h 16m
Deal found 9/16![Multiple Airlines logo]()
$342
One-way flights from Ontario to Kaua'iSearch for one-way flight options from Ontario to Kaua'i. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Ontario to Kaua'i. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/267:00 am -
1 stop9h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$163
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 10/1911:56 am -
1 stop10h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$167
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 2/229:00 am -
1 stop23h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$169
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:55 am -
1 stop10h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$171
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.
Tue 10/209:45 am -
2 stops12h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$173
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/17:00 am -
1 stop12h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$174
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/256:02 am -
1 stop11h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Alaska Airlines logo]()
$175
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:13 am -
1 stop13h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Alaska Airlines logo]()
$177
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:56 pm -
1 stop19h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$178
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/129:55 am -
1 stop24h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Multiple Airlines logo]()
$179
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:00 am -
1 stop11h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$180
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 am -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$181
Find flight deals from Ontario to Kaua'i
Keep the following information in mind while searching for Ontario to Kaua'i flight deals. Data was last updated September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $315 (flugladen.de) |
One-way from | $163 (Alaska Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $484 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario 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 20, 2026.
Use the filters below to find and compare flights from Ontario to Kaua'i that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Mon 11/9
9:55 am-5:27 pm
1 stop9h 32m
Lihue
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$163
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Tue 10/20
6:02 am-2:45 pm
1 stop11h 43m
Lihue
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$167
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Mon 2/22
9:00 am-6:42 am
1 stop23h 42m
Lihue
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$169
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Thu 10/8
11:56 am-7:14 pm
1 stop10h 18m
Lihue
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$184
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Tue 11/17
9:55 am-7:30 pm
1 stop11h 35m
Lihue
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$217
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Wed 11/11
6:00 am-8:07 pm
2 stops16h 07m
Lihue
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$219
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Thu 11/5
1:35 pm-10:30 pm
1 stop10h 55m
Lihue
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$222
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Tue 11/10
6:00 am-8:07 pm
2 stops16h 07m
Lihue
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$224
Quickest round-trip
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Sun 10/25
6:00 am-11:31 am
1 stop8h 31m
Lihue
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$230
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Wed 11/18
7:00 am-8:07 pm
1 stop15h 07m
Lihue
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$238
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Ontario to Kaua'i
Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Ontario with our price prediction graph.
ONT-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 Ontario to Kaua'i
ONT-zzFUS
ONT-LIH
What is the cheapest month to book a flight from Ontario to Kaua'i?
Currently, September is the cheapest month in which you can book a flight from Ontario to Kaua'i (average of $398). Flying from Ontario to Kaua'i in December is currently the most expensive (average of $996). 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 September 20, 2026.
Get a feel of what it's like to fly with Southwest and Alaska Airlines from Ontario to Kaua'i by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Entertainment
7.5
Food
7.0
Crew
8.6
Boarding
8.1
Overall
8.0
Comfort
8.0
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario 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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Ontario and Kaua'i flights
Browse other Ontario and Kaua'i flight options. Last updated on September 20, 2026.
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Top 2 airlines flying from Ontario to Kaua'i
Discover the top 2 airlines that operate flights from Ontario 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$329 | Average$564 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$380 | Average$574 | FlexibilityNo cancel fee | On-time63% |