$155+ Cheap flights from Hawaii to Ontario (ONT)
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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Sep 26 — Oct 31
Round-trip
1 adult, Economy
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Find cheap flights from Hawaii to Ontario 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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Cheapest flights from Hawaii to OntarioExplore the most affordable flight options available from Hawaii to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
Explore the most affordable flight options available from Hawaii to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 27, 2026.
This lol.travel deal was found by Cheapflights users on 8/26. 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.
Thu 9/171:33 pm -
Nonstop5h 37m
Wed 9/239:31 am -
Nonstop5h 59m
Deal found 8/26![Alaska Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 8/26. 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.
Wed 11/112:40 pm -
Nonstop5h 30m
Sun 11/155:00 am -
1 stop11h 00m
Deal found 8/26![Southwest logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 12/71:55 pm -
Nonstop5h 33m
Tue 12/89:00 am -
Nonstop5h 57m
Deal found 8/26![Alaska Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 9/241:33 pm -
Nonstop5h 37m
Tue 10/67:00 am -
Nonstop6h 00m
Deal found 8/26![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 8/24. 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 9/178:00 pm -
1 stop10h 02m
Mon 9/216:00 am -
1 stop11h 01m
Deal found 8/24![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/24. 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 9/2210:39 pm -
1 stop9h 35m
Tue 10/2011:56 am -
1 stop10h 52m
Deal found 8/24![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/27. 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.
Tue 10/139:53 pm -
1 stop10h 23m
Tue 10/2711:56 am -
1 stop10h 23m
Deal found 8/27![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/178:00 pm -
1 stop10h 02m
Wed 9/236:00 am -
1 stop11h 01m
Deal found 8/27![Delta logo]()
$345
This Delta deal was found by Cheapflights users on 8/25. 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 9/1610:39 pm -
1 stop9h 35m
Tue 9/2211:54 am -
1 stop10h 34m
Deal found 8/25![Delta logo]()
$345
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/179:54 pm -
1 stop10h 20m
Wed 9/2311:54 am -
1 stop10h 16m
Deal found 8/27![Delta logo]()
$345
This Southwest deal was found by Cheapflights users on 8/26. 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 10/228:00 am -
1 stop9h 40m
Sun 10/258:00 am -
1 stop9h 15m
Deal found 8/26![Southwest logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 10/2912:58 pm -
Nonstop5h 31m
Fri 10/307:00 am -
Nonstop6h 00m
Deal found 8/25![Alaska Airlines logo]()
$349
Best flights from Hawaii to OntarioDiscover carefully curated flight deals from Hawaii to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
Discover carefully curated flight deals from Hawaii to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 27, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 10/2012:58 pm -
Nonstop5h 31m
Sun 10/257:00 am -
Nonstop6h 00m
Deal found 8/25![Alaska Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 8/24. 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 9/178:00 pm -
1 stop10h 02m
Mon 9/216:00 am -
1 stop11h 01m
Deal found 8/24![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 8/22. 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.
Wed 9/169:30 pm -
1 stop11h 20m
Sun 9/208:00 am -
Nonstop5h 40m
Deal found 8/22![Southwest logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 11/1010:15 am -
1 stop9h 27m
Wed 11/117:30 am -
1 stop8h 26m
Deal found 8/24![Multiple Airlines logo]()
$396
This United Airlines deal was found by Cheapflights users on 8/25. 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 10/1410:55 pm -
1 stop10h 23m
Mon 10/191:52 pm -
1 stop10h 35m
Deal found 8/25![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 8/27. 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.
Tue 10/139:53 pm -
1 stop10h 23m
Mon 10/2611:56 am -
1 stop10h 18m
Deal found 8/27![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 8/26. 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 10/228:00 am -
1 stop9h 40m
Sun 10/258:00 am -
1 stop9h 15m
Deal found 8/26![Southwest logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 11/610:25 pm -
1 stop9h 19m
Sun 11/157:30 am -
Nonstop6h 06m
Deal found 8/24![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/179:54 pm -
1 stop10h 20m
Wed 9/2311:54 am -
1 stop10h 16m
Deal found 8/27![Delta logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 11/108:49 am -
1 stop10h 53m
Wed 11/117:30 am -
1 stop11h 47m
Deal found 8/25![Multiple Airlines logo]()
$396
This Southwest deal was found by Cheapflights users on 8/24. 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.
Tue 9/298:35 pm -
1 stop9h 20m
Sat 10/38:00 am -
1 stop13h 10m
Deal found 8/24![Southwest logo]()
$370
This Delta deal was found by Cheapflights users on 8/26. 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 10/229:06 pm -
2 stops12h 30m
Sun 10/256:20 am -
1 stop14h 18m
Deal found 8/26![Delta logo]()
$350
This CheapOair deal was found by Cheapflights users on 8/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:42 pm -
1 stop22h 47m
Tue 10/2011:13 am -
1 stop14h 00m
Deal found 8/24![Multiple Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 8/22. 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 10/1410:55 pm -
1 stop10h 23m
Sun 10/186:07 am -
1 stop7h 36m
Deal found 8/22![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 8/23. 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 10/209:14 pm -
2 stops12h 22m
Wed 10/286:00 am -
2 stops14h 59m
Deal found 8/23![Delta logo]()
$355
This Booking.com deal was found by Cheapflights users on 8/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:40 am -
1 stop9h 49m
Mon 10/127:25 am -
1 stop16h 27m
Deal found 8/27![Multiple Airlines logo]()
$406
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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 9/169:20 pm -
1 stop10h 56m
Sat 9/199:31 am -
Nonstop5h 59m
Deal found 8/22![Alaska Airlines logo]()
$475
This Booking.com deal was found by Cheapflights users on 8/26. 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 11/129:26 am -
1 stop10h 16m
Mon 11/165:59 pm -
2 stops23h 23m
Deal found 8/26![Multiple Airlines logo]()
$411
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/1710:39 pm -
1 stop9h 35m
Wed 9/2311:54 am -
1 stop10h 34m
Deal found 8/27![Delta logo]()
$404
This Booking.com deal was found by Cheapflights users on 8/25. 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 10/86:40 pm -
1 stop23h 49m
Sun 10/117:25 am -
1 stop16h 27m
Deal found 8/25![Multiple Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 8/25. 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 9/237:49 pm -
1 stop10h 13m
Mon 10/56:00 pm -
1 stop20h 40m
Deal found 8/25![Delta logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 9/249:48 am -
1 stop9h 22m
Sun 9/276:02 am -
1 stop10h 26m
Deal found 8/24![Multiple Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 10/89:53 pm -
1 stop10h 23m
Mon 10/2611:56 am -
1 stop10h 18m
Deal found 8/27![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 8/25. 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 9/178:00 pm -
1 stop10h 02m
Wed 9/236:00 am -
1 stop11h 01m
Deal found 8/25![Delta logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 8/22. 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 11/1010:24 am -
1 stop9h 18m
Wed 11/117:30 am -
1 stop11h 57m
Deal found 8/22![Multiple Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 8/26. 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 9/237:49 pm -
1 stop10h 13m
Sun 10/46:00 am -
1 stop32h 32m
Deal found 8/26![Delta logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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 12/811:32 pm -
1 stop9h 37m
Tue 1/58:39 am -
1 stop12h 49m
Deal found 8/24![Multiple Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 8/25. 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 9/177:00 am -
2 stops13h 47m
Tue 9/296:00 am -
2 stops16h 28m
Deal found 8/25![Delta logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 10/2711:20 am -
1 stop7h 09m
Wed 10/287:00 am -
1 stop10h 27m
Deal found 8/25![Multiple Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 8/22. 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 9/1610:39 pm -
1 stop9h 35m
Sat 9/196:00 pm -
1 stop20h 32m
Deal found 8/22![Delta logo]()
$434
Last-minute flights from Hawaii to OntarioDiscover last-minute flight deals from Hawaii to Ontario. Data last updated August 27, 2026 and is based on user searches.
Discover last-minute flight deals from Hawaii to Ontario. Data last updated August 27, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/25. 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 9/1610:39 pm -
1 stop9h 35m
Tue 9/2211:54 am -
1 stop10h 34m
Deal found 8/25![Delta logo]()
$345
This Southwest deal was found by Cheapflights users on 8/22. 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.
Wed 9/168:10 am -
2 stops9h 50m
Sun 9/208:00 am -
Nonstop5h 40m
Deal found 8/22![Southwest logo]()
$370
This lol.travel deal was found by Cheapflights users on 8/26. 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.
Thu 9/171:33 pm -
Nonstop5h 37m
Wed 9/239:31 am -
Nonstop5h 59m
Deal found 8/26![Alaska Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 8/24. 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 9/178:00 pm -
1 stop10h 02m
Mon 9/216:00 am -
1 stop11h 01m
Deal found 8/24![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/178:00 pm -
1 stop10h 02m
Wed 9/236:00 am -
1 stop11h 01m
Deal found 8/27![Delta logo]()
$345
This Delta deal was found by Cheapflights users on 8/27. 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.
Thu 9/179:54 pm -
1 stop10h 20m
Wed 9/2311:54 am -
1 stop10h 16m
Deal found 8/27![Delta logo]()
$345
This lol.travel deal was found by Cheapflights users on 8/26. 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.
Thu 9/171:33 pm -
Nonstop5h 37m
Wed 9/233:14 pm -
1 stop11h 45m
Deal found 8/26![Multiple Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 8/24. 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 9/2210:39 pm -
1 stop9h 35m
Tue 10/2011:56 am -
1 stop10h 52m
Deal found 8/24![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/26. 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 9/237:49 pm -
1 stop10h 13m
Mon 10/56:00 am -
2 stops16h 28m
Deal found 8/26![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 8/26. 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 9/237:00 am -
2 stops13h 47m
Wed 9/306:00 am -
2 stops16h 28m
Deal found 8/26![Delta logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 8/26. 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 9/241:33 pm -
Nonstop5h 37m
Tue 10/67:00 am -
Nonstop6h 00m
Deal found 8/26![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 8/26. 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 9/2510:39 pm -
2 stops14h 56m
Mon 9/289:52 am -
2 stops12h 36m
Deal found 8/26![Delta logo]()
$361
One-way flights from Hawaii to OntarioSearch for one-way flight options from Hawaii to Ontario. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
Search for one-way flight options from Hawaii to Ontario. Find affordable one-way fares based on user searches. Data last updated August 27, 2026.
This SmartFares deal was found by Cheapflights users on 8/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:00 pm -
Nonstop5h 42m
Deal found 8/23![Alaska Airlines logo]()
$155
This Trip.com deal was found by Cheapflights users on 8/26. 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.
Fri 11/62:00 pm -
Nonstop5h 42m
Deal found 8/26![Alaska Airlines logo]()
$160
This American Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/159:51 pm -
1 stop11h 15m
Deal found 8/24![American Airlines logo]()
$162
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 10/2212:58 pm -
Nonstop5h 31m
Deal found 8/25![Alaska Airlines logo]()
$163
This Southwest deal was found by Cheapflights users on 8/24. 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.
Fri 10/307:20 am -
1 stop10h 20m
Deal found 8/24![Southwest logo]()
$168
This Southwest deal was found by Cheapflights users on 8/23. 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.
Fri 11/68:00 am -
1 stop12h 10m
Deal found 8/23![Southwest logo]()
$168
This Southwest deal was found by Cheapflights users on 8/25. 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 9/248:20 am -
1 stop8h 55m
Deal found 8/25![Southwest logo]()
$168
This Delta deal was found by Cheapflights users on 8/24. 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 9/179:10 pm -
1 stop11h 04m
Deal found 8/24![Delta logo]()
$172
This Delta deal was found by Cheapflights users on 8/26. 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 9/237:49 pm -
1 stop10h 13m
Deal found 8/26![Delta logo]()
$172
This Delta deal was found by Cheapflights users on 8/24. 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 9/309:54 pm -
1 stop10h 20m
Deal found 8/24![Delta logo]()
$172
This American Airlines deal was found by Cheapflights users on 8/23. 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.
Tue 11/2410:43 pm -
1 stop7h 52m
Deal found 8/23![American Airlines logo]()
$173
This American Airlines deal was found by Cheapflights users on 8/25. 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 11/1210:21 pm -
1 stop8h 18m
Deal found 8/25![American Airlines logo]()
$173
Find flight deals from Hawaii to Ontario
Keep the following information in mind while searching for Hawaii to Ontario flight deals. Data was last updated August 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (lol.travel) |
One-way from | $155 (SmartFares) |
Popular in | March |
Cheapest in | February |
Average price | $432 |
Good round-trip deal | $442 or less |
Good one-way deal | $230 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Hawaii to Ontario 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 August 27, 2026.
Use the filters below to find and compare flights from Hawaii to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Tue 10/20
12:58 pm-9:29 pm
Nonstop5h 31m
Ontario
Sun 10/25
7:00 am-10:00 am
Nonstop6h 00m
$325
KahuluiOntario
OGG Kahului - ONT Ontario
OGGONT
Kahului
Thu 9/17
8:00 pm-9:02 am
1 stop10h 02m
Ontario
Mon 9/21
6:00 am-2:01 pm
1 stop11h 01m
$344
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Wed 9/16
9:30 pm-11:50 am
1 stop11h 20m
Ontario
Sun 9/20
8:00 am-10:40 am
Nonstop5h 40m
$344
LihueOntario
LIH Lihue - ONT Ontario
LIHONT
Lihue
Tue 10/13
9:53 pm-11:16 am
1 stop10h 23m
Ontario
Mon 10/26
11:56 am-7:14 pm
1 stop10h 18m
$344
LihueOntario
LIH Lihue - ONT Ontario
LIHONT
Lihue
Thu 9/17
9:54 pm-11:14 am
1 stop10h 20m
Ontario
Wed 9/23
11:54 am-7:10 pm
1 stop10h 16m
$345
Kailua-KonaOntario
KOA Kona Intl - ONT Ontario
KOAONT
Kona Intl
Thu 10/22
8:00 am-8:40 pm
1 stop9h 40m
Ontario
Sun 10/25
8:00 am-2:15 pm
1 stop9h 15m
$346
Kailua-KonaOntario
KOA Kona Intl - ONT Ontario
KOAONT
Kona Intl
Thu 10/22
9:06 pm-12:36 pm
2 stops12h 30m
Ontario
Sun 10/25
6:20 am-5:38 pm
1 stop14h 18m
$350
KahuluiOntario
OGG Kahului - ONT Ontario
OGGONT
Kahului
Tue 10/20
9:14 pm-12:36 pm
2 stops12h 22m
Ontario
Wed 10/28
6:00 am-5:59 pm
2 stops14h 59m
$355
Kailua-KonaOntario
KOA Kona Intl - ONT Ontario
KOAONT
Kona Intl
Tue 9/29
8:35 pm-8:55 am
1 stop9h 20m
Ontario
Sat 10/3
8:00 am-6:10 pm
1 stop13h 10m
$370
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Fri 11/6
10:25 pm-9:44 am
1 stop9h 19m
Ontario
Sun 11/15
7:30 am-11:36 am
Nonstop6h 06m
$379
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Hawaii to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Hawaii with our price prediction graph.
HNL-ONT
OGG-ONT
LIH-ONT
KOA-ONT
ITO-ONT
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 Hawaii to Ontario
USHI-ONT
HNL-ONT
OGG-ONT
LIH-ONT
KOA-ONT
What is the cheapest month to book a flight from Hawaii to Ontario?
Currently, February is the cheapest month in which you can book a flight from Hawaii to Ontario (average of $379). Flying from Hawaii to Ontario in July is currently the most expensive (average of $725). 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.
What is the cheapest time of day to fly from HI to ONT?
Find hourly flight availability from Hawaii to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 27, 2026.
When flying from Hawaii to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Hawaii to Ontario?
Airfare is below average for this route at the moment.
Hawaii to Ontario flights typically cost between $387 and $442 in September.The cheapest round-trip price found within the last 5 days was $313 on Alaska Airlines (Sep 17-Sep 23).
How far ahead should I book a flight from Hawaii to Ontario?
The price you pay for your flight from Hawaii to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Related info for your journey
Find useful and relevant information for your journey from Hawaii to Ontario. 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
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Ontario flight routes
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Alternative routes for Hawaii to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Hawaii to Ontario by cabin class
Find flights from Hawaii to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 27, 2026.
Hawaii and Ontario flights
Browse other Hawaii and Ontario flight options. Last updated on August 27, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Hawaii to Ontario flights
Consider these flights traveling from Hawaii to Ontario.
Top 3 airlines flying from Hawaii to Ontario
Discover the top 3 airlines that operate flights from Hawaii to Ontario. 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 August 27, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$297 | Average$464 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$311 | Average$472 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$352 | Average$574 | FlexibilityNo cancel fee | On-time63% |