$189+ Cheap flights from Ontario (ONT) 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LIH
Jun 11 — Jun 181
Round-trip
1 adult, Economy
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Find cheap flights from Ontario 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
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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 Ontario to Kaua'i
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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 May 12, 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 May 12, 2026.
This Delta deal was found by Cheapflights users on 5/9. 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 9/137:00 am
ONT
- LIH
1 stop15h 20m
Delta
Thu 9/179:45 pm
LIH
- ONT
1 stop10h 29m
Delta
Deal found 5/9![Delta logo]()
$388
This Delta deal was found by Cheapflights users on 5/9. 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 9/137:00 am
ONT
- LIH
1 stop15h 20m
Delta
Tue 9/159:45 pm
LIH
- ONT
2 stops15h 29m
Delta
Deal found 5/9![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 5/11. 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 8/306:00 am
ONT
- LIH
2 stops16h 03m
Delta
Thu 9/109:45 pm
LIH
- ONT
2 stops15h 29m
Delta
Deal found 5/11![Delta logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 8/109:11 am
ONT
- LIH
1 stop8h 20m
Multiple Airlines
Tue 8/1810:28 pm
LIH
- ONT
1 stop9h 36m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 5/8. 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 9/107:00 am
ONT
- LIH
1 stop15h 20m
Delta
Tue 9/159:45 pm
LIH
- ONT
1 stop10h 29m
Delta
Deal found 5/8![Delta logo]()
$411
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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 11/109:00 am
ONT
- LIH
1 stop14h 57m
Multiple Airlines
Wed 11/119:43 am
LIH
- ONT
1 stop9h 45m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$420
This Delta deal was found by Cheapflights users on 5/9. 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 9/76:00 am
ONT
- LIH
2 stops16h 20m
Delta
Wed 9/169:45 pm
LIH
- ONT
2 stops15h 29m
Delta
Deal found 5/9![Delta logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 6/309:11 am
ONT
- LIH
1 stop10h 51m
Multiple Airlines
Tue 7/711:58 am
LIH
- ONT
1 stop6h 47m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$425
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 7/219:11 am
ONT
- LIH
1 stop10h 09m
Multiple Airlines
Sun 7/267:21 pm
LIH
- ONT
1 stop23h 24m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$426
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 6/309:11 am
ONT
- LIH
1 stop27h 03m
Multiple Airlines
Mon 7/610:28 pm
LIH
- ONT
1 stop9h 46m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$430
This United Airlines deal was found by Cheapflights users on 5/10. 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 6/21:50 pm
ONT
- LIH
1 stop8h 52m
United Airlines
Wed 6/1010:44 pm
LIH
- ONT
1 stop10h 28m
United Airlines
Deal found 5/10![United Airlines logo]()
$434
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 May 12, 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 May 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 7/219:11 am
ONT
- LIH
1 stop10h 09m
Multiple Airlines
Sun 7/267:21 pm
LIH
- ONT
1 stop23h 24m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$426
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 7/152:05 pm
ONT
- LIH
1 stop10h 20m
Alaska Airlines
Tue 7/2110:28 pm
LIH
- ONT
1 stop9h 46m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 5/8. 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 5/3111:52 am
ONT
- LIH
1 stop10h 14m
Delta
Thu 6/49:55 pm
LIH
- ONT
1 stop11h 38m
Delta
Deal found 5/8![Delta logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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 6/309:11 am
ONT
- LIH
1 stop15h 48m
Multiple Airlines
Mon 7/610:28 pm
LIH
- ONT
1 stop11h 41m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 7/59:11 am
ONT
- LIH
1 stop9h 27m
Multiple Airlines
Wed 7/810:28 pm
LIH
- ONT
1 stop9h 46m
Multiple Airlines
Deal found 5/9![Multiple Airlines logo]()
$485
This Alaska Airlines deal was found by Cheapflights users on 5/9. 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 8/412:04 pm
ONT
- LIH
1 stop12h 21m
Alaska Airlines
Sun 8/910:28 pm
LIH
- ONT
1 stop11h 41m
Alaska Airlines
Deal found 5/9![Alaska Airlines logo]()
$554
This Delta deal was found by Cheapflights users on 5/11. 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 7/206:20 am
ONT
- LIH
1 stop15h 43m
Delta
Thu 7/239:55 pm
LIH
- ONT
1 stop10h 22m
Delta
Deal found 5/11![Delta logo]()
$579
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 6/16:00 am
ONT
- LIH
1 stop11h 45m
Multiple Airlines
Mon 6/88:31 am
LIH
- ONT
1 stop10h 46m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 5/7. 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 7/56:00 am
ONT
- LIH
2 stops16h 02m
Delta
Wed 7/89:55 pm
LIH
- ONT
1 stop10h 22m
Delta
Deal found 5/7![Delta logo]()
$585
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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 7/19:11 am
ONT
- LIH
1 stop13h 20m
Multiple Airlines
Tue 7/710:28 pm
LIH
- ONT
1 stop11h 41m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$520
This Delta deal was found by Cheapflights users on 5/12. 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 5/276:00 am
ONT
- LIH
2 stops16h 06m
Delta
Sun 5/319:55 pm
LIH
- ONT
2 stops15h 22m
Delta
Deal found 5/12![Delta logo]()
$586
This Delta deal was found by Cheapflights users on 5/7. 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 6/295:59 pm
ONT
- LIH
1 stop28h 03m
Delta
Wed 7/89:55 pm
LIH
- ONT
2 stops11h 15m
Delta
Deal found 5/7![Delta logo]()
$592
Last-minute flights from Ontario to Kaua'iDiscover last-minute flight deals from Ontario to Kaua'i. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Kaua'i. Data last updated May 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 5/8. 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 5/2711:52 am
ONT
- LIH
1 stop10h 14m
Delta
Tue 6/29:55 pm
LIH
- ONT
1 stop11h 38m
Delta
Deal found 5/8![Delta logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 5/10. 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.
Sat 5/305:57 pm
ONT
- LIH
1 stop20h 05m
Multiple Airlines
Mon 6/812:00 pm
LIH
- ONT
1 stop7h 17m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 5/8. 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 5/3111:52 am
ONT
- LIH
1 stop10h 14m
Delta
Tue 6/29:55 pm
LIH
- ONT
2 stops15h 22m
Delta
Deal found 5/8![Delta logo]()
$495
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/16:00 am
ONT
- LIH
1 stop11h 45m
Multiple Airlines
Mon 6/811:10 am
LIH
- ONT
1 stop8h 07m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 5/10. 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 6/16:00 am
ONT
- LIH
1 stop11h 45m
Multiple Airlines
Sun 6/78:45 pm
LIH
- ONT
1 stop22h 32m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 6/212:04 pm
ONT
- LIH
1 stop12h 22m
Alaska Airlines
Fri 6/1210:28 pm
LIH
- ONT
1 stop9h 46m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 5/8. 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 6/26:45 am
ONT
- LIH
1 stop15h 19m
Delta
Thu 6/49:55 pm
LIH
- ONT
1 stop10h 15m
Delta
Deal found 5/8![Delta logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 6/27:41 pm
ONT
- LIH
2 stops20h 26m
Multiple Airlines
Wed 6/1012:31 pm
LIH
- ONT
1 stop19h 43m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$499
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 6/412:04 pm
ONT
- LIH
1 stop12h 22m
Alaska Airlines
Thu 6/1110:28 pm
LIH
- ONT
1 stop11h 41m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$489
This Expedia deal was found by Cheapflights users on 5/11. 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.
Tue 6/239:11 am
ONT
- LIH
1 stop7h 47m
Multiple Airlines
Tue 6/304:52 pm
LIH
- ONT
1 stop25h 53m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$471
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 6/309:11 am
ONT
- LIH
1 stop27h 03m
Multiple Airlines
Mon 7/610:28 pm
LIH
- ONT
1 stop9h 46m
Multiple Airlines
Deal found 5/10![Multiple Airlines logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 5/8. 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 6/309:11 am
ONT
- LIH
1 stop9h 27m
Multiple Airlines
Wed 7/810:28 pm
LIH
- ONT
1 stop9h 46m
Multiple Airlines
Deal found 5/8![Multiple Airlines logo]()
$475
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 May 12, 2026.
Search for one-way flight options from Ontario to Kaua'i. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/7. 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 8/169:11 am
ONT
- LIH
1 stop9h 27m
Multiple Airlines
Deal found 5/7![Multiple Airlines logo]()
$189
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 8/179:11 am
ONT
- LIH
1 stop12h 38m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$190
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 8/112:05 pm
ONT
- LIH
1 stop10h 20m
Alaska Airlines
Deal found 5/11![Alaska Airlines logo]()
$194
This Delta deal was found by Cheapflights users on 5/7. 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 8/166:00 am
ONT
- LIH
2 stops16h 03m
Delta
Deal found 5/7![Delta logo]()
$205
This Trip.com deal was found by Cheapflights users on 5/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/299:11 am
ONT
- LIH
1 stop7h 47m
Multiple Airlines
Deal found 5/12![Multiple Airlines logo]()
$210
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 6/289:11 am
ONT
- LIH
1 stop12h 38m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$213
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 8/92:05 pm
ONT
- LIH
1 stop10h 20m
Alaska Airlines
Deal found 5/10![Alaska Airlines logo]()
$217
This Delta deal was found by Cheapflights users on 5/7. 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 8/99:43 am
ONT
- LIH
2 stops12h 20m
Delta
Deal found 5/7![Delta logo]()
$223
This Delta deal was found by Cheapflights users on 5/11. 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 10/46:00 am
ONT
- LIH
2 stops16h 20m
Delta
Deal found 5/11![Delta logo]()
$228
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 6/106:00 am
ONT
- LIH
1 stop10h 16m
United Airlines
Deal found 5/8![United Airlines logo]()
$230
This United Airlines deal was found by Cheapflights users on 5/11. 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.
Mon 8/241:56 pm
ONT
- LIH
1 stop8h 48m
United Airlines
Deal found 5/11![United Airlines logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 10/67:00 am
ONT
- LIH
1 stop8h 10m
Multiple Airlines
Deal found 5/11![Multiple Airlines logo]()
$252
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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $388 (Delta) |
One-way from | $189 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $451 |
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 2,558,603 searches. Data last updated May 12, 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 - LIH
ONTLIH
Ontario
Tue 7/21
9:11 am-4:20 pm
1 stop10h 09m
Lihue
Sun 7/26
7:21 pm-9:45 pm
1 stop23h 24m
$426
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Tue 6/30
9:11 am-9:59 pm
1 stop15h 48m
Lihue
Mon 7/6
10:28 pm-1:09 pm
1 stop11h 41m
$430
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Wed 7/15
2:05 pm-9:25 pm
1 stop10h 20m
Lihue
Tue 7/21
10:28 pm-11:14 am
1 stop9h 46m
$434
Quickest round-trip
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Sun 7/5
9:11 am-3:38 pm
1 stop9h 27m
Lihue
Wed 7/8
10:28 pm-11:14 am
1 stop9h 46m
$485
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Sun 5/31
11:52 am-7:06 pm
1 stop10h 14m
Lihue
Thu 6/4
9:55 pm-12:33 pm
1 stop11h 38m
$489
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Mon 6/1
6:00 am-2:45 pm
1 stop11h 45m
Lihue
Mon 6/8
8:31 am-10:17 pm
1 stop10h 46m
$520
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Wed 7/1
9:11 am-7:31 pm
1 stop13h 20m
Lihue
Tue 7/7
10:28 pm-1:09 pm
1 stop11h 41m
$520
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Tue 8/4
12:04 pm-9:25 pm
1 stop12h 21m
Lihue
Sun 8/9
10:28 pm-1:09 pm
1 stop11h 41m
$554
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Mon 7/20
6:20 am-7:03 pm
1 stop15h 43m
Lihue
Thu 7/23
9:55 pm-11:17 am
1 stop10h 22m
$579
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Sun 7/5
6:00 am-7:02 pm
2 stops16h 02m
Lihue
Wed 7/8
9:55 pm-11:17 am
1 stop10h 22m
$585
Showing 1-10 of 23 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, August is the cheapest month in which you can book a flight from Ontario to Kaua'i (average of $230). Flying from Ontario to Kaua'i in June is currently the most expensive (average of $519). 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 May 12, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Southwest, andDelta 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.
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Comfort
7.8
Crew
8.5
Entertainment
7.0
Overall
7.9
Boarding
8.1
Food
7.0
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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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Alternative routes for Ontario 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 Ontario to Kaua'i by cabin class
Find flights from Ontario to Kaua'i, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Kaua'i flights
Browse other Ontario and Kaua'i flight options. Last updated on May 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Ontario to Kaua'i
Discover the top 3 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 2,558,603 searches. Data last updated May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$492 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$341 | Average$533 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$409 | Average$588 | FlexibilityNo cancel fee | On-time63% |