$144+ Cheap flights from Ontario (ONT) to Hawaii
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 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Aug 28 — Sep 41
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Hawaii 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 Ontario to HawaiiExplore the most affordable flight options available from Ontario to Hawaii. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
Explore the most affordable flight options available from Ontario to Hawaii. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2026.
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:00 am
ONT
- ITO
1 stop13h 10m
Southwest
Thu 9/176:00 am
ITO
- ONT
1 stop11h 15m
Southwest
Deal found 7/27![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 7/25. 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.
Tue 8/1811:56 am
ONT
- LIH
1 stop10h 20m
Delta
Fri 8/219:55 pm
LIH
- ONT
1 stop13h 58m
Delta
Deal found 7/25![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 7/27. 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 8/186:20 am
ONT
- OGG
1 stop14h 32m
Delta
Wed 8/269:15 pm
OGG
- ONT
1 stop11h 01m
Delta
Deal found 7/27![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:08 am
ONT
- KOA
1 stop7h 41m
United Airlines
Thu 9/1712:04 pm
KOA
- ONT
1 stop7h 47m
United Airlines
Deal found 7/26![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 8/2511:56 am
ONT
- LIH
1 stop10h 20m
Delta
Tue 9/19:55 pm
LIH
- ONT
2 stops11h 21m
Delta
Deal found 7/26![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 7/26. 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 9/96:20 am
ONT
- OGG
1 stop14h 33m
Delta
Wed 9/169:10 pm
OGG
- ONT
2 stops12h 04m
Delta
Deal found 7/26![Delta logo]()
$350
This Southwest deal was found by Cheapflights users on 7/25. 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.
Tue 9/811:10 am
ONT
- LIH
1 stop8h 00m
Southwest
Thu 9/176:15 am
LIH
- ONT
1 stop11h 00m
Southwest
Deal found 7/25![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 7/26. 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.
Mon 9/218:00 am
ONT
- KOA
1 stop9h 10m
Southwest
Tue 9/298:35 pm
KOA
- ONT
1 stop9h 20m
Southwest
Deal found 7/26![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:00 am
ONT
- LIH
1 stop13h 05m
Southwest
Thu 9/178:20 am
LIH
- ONT
1 stop8h 55m
Southwest
Deal found 7/27![Southwest logo]()
$357
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:56 am
ONT
- LIH
1 stop10h 20m
Delta
Wed 9/29:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/28![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:00 am
ONT
- OGG
1 stop11h 02m
Delta
Tue 9/158:00 pm
OGG
- ONT
1 stop10h 02m
Delta
Deal found 7/28![Delta logo]()
$364
This Booking.com deal was found by Cheapflights users on 7/29. 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.
Fri 10/307:00 am
ONT
- HNL
Nonstop6h 00m
Alaska Airlines
Fri 11/61:50 pm
HNL
- ONT
Nonstop5h 42m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$369
Best flights from Ontario to HawaiiDiscover carefully curated flight deals from Ontario to Hawaii that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
Discover carefully curated flight deals from Ontario to Hawaii that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2026.
This Delta deal was found by Cheapflights users on 7/27. 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 9/16:20 am
ONT
- OGG
1 stop14h 32m
Delta
Thu 9/109:10 pm
OGG
- ONT
2 stops12h 04m
Delta
Deal found 7/27![Delta logo]()
$350
This Southwest deal was found by Cheapflights users on 7/26. 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.
Mon 9/146:30 am
ONT
- ITO
2 stops14h 40m
Southwest
Thu 9/176:00 am
ITO
- ONT
1 stop11h 15m
Southwest
Deal found 7/26![Southwest logo]()
$356
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:56 pm
ONT
- OGG
1 stop8h 24m
United Airlines
Tue 9/297:00 am
OGG
- ONT
1 stop7h 41m
United Airlines
Deal found 7/28![United Airlines logo]()
$364
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 8/309:31 am
ONT
- LIH
1 stop7h 27m
Multiple Airlines
Thu 9/1011:57 am
LIH
- ONT
1 stop7h 13m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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 9/143:14 pm
ONT
- OGG
1 stop10h 00m
Alaska Airlines
Fri 9/189:52 pm
OGG
- ONT
1 stop8h 59m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$427
This Southwest deal was found by Cheapflights users on 7/24. 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.
Mon 9/218:00 am
ONT
- OGG
1 stop9h 50m
Southwest
Thu 9/248:55 pm
OGG
- ONT
2 stops11h 30m
Southwest
Deal found 7/24![Southwest logo]()
$389
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:20 am
ONT
- HNL
1 stop15h 51m
Delta
Wed 9/910:39 pm
HNL
- ONT
1 stop9h 35m
Delta
Deal found 7/28![Delta logo]()
$392
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:00 am
ONT
- HNL
1 stop8h 25m
Southwest
Mon 10/512:05 pm
HNL
- ONT
Nonstop5h 35m
Southwest
Deal found 7/28![Southwest logo]()
$393
This Delta deal was found by Cheapflights users on 7/25. 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.
Mon 8/246:00 am
ONT
- OGG
1 stop11h 02m
Delta
Mon 8/319:15 pm
OGG
- ONT
1 stop11h 01m
Delta
Deal found 7/25![Delta logo]()
$393
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:13 am
ONT
- KOA
1 stop12h 52m
Multiple Airlines
Tue 10/208:48 am
KOA
- ONT
1 stop9h 41m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:08 am
ONT
- KOA
1 stop7h 41m
United Airlines
Sat 8/2210:15 pm
KOA
- ONT
2 stops10h 57m
United Airlines
Deal found 7/27![United Airlines logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 11/1110:37 am
ONT
- OGG
1 stop10h 13m
Alaska Airlines
Wed 11/2511:59 pm
OGG
- ONT
1 stop9h 12m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$452
This Delta deal was found by Cheapflights users on 7/25. 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.
Mon 8/176:20 am
ONT
- OGG
1 stop14h 32m
Delta
Thu 8/208:08 pm
OGG
- ONT
1 stop9h 44m
Delta
Deal found 7/25![Delta logo]()
$396
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Sun 9/69:31 am
ONT
- KOA
1 stop11h 46m
Multiple Airlines
Thu 9/1710:25 pm
KOA
- ONT
1 stop9h 51m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$440
This Southwest deal was found by Cheapflights users on 7/24. 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.
Thu 8/278:00 am
ONT
- OGG
1 stop9h 50m
Southwest
Wed 9/28:25 pm
OGG
- ONT
1 stop14h 00m
Southwest
Deal found 7/24![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:52 pm
ONT
- HNL
1 stop8h 37m
United Airlines
Wed 10/219:40 pm
HNL
- ONT
2 stops11h 38m
United Airlines
Deal found 7/28![United Airlines logo]()
$464
This Southwest deal was found by Cheapflights users on 7/24. 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 9/227:15 am
ONT
- KOA
1 stop8h 10m
Southwest
Mon 9/287:05 pm
KOA
- ONT
2 stops9h 50m
Southwest
Deal found 7/24![Southwest logo]()
$420
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:52 pm
ONT
- HNL
1 stop11h 04m
United Airlines
Mon 10/267:00 am
HNL
- ONT
1 stop10h 15m
United Airlines
Deal found 7/27![United Airlines logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 8/259:31 am
ONT
- LIH
1 stop15h 26m
Multiple Airlines
Wed 8/269:26 am
LIH
- ONT
2 stops9h 44m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$472
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 8/186:00 am
ONT
- LIH
2 stops16h 16m
Delta
Fri 8/219:55 pm
LIH
- ONT
1 stop13h 58m
Delta
Deal found 7/26![Delta logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am
ONT
- ITO
1 stop10h 27m
Multiple Airlines
Tue 10/276:18 pm
ITO
- ONT
2 stops13h 31m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$475
This Southwest deal was found by Cheapflights users on 7/25. 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.
Mon 9/76:10 am
ONT
- ITO
2 stops15h 00m
Southwest
Thu 9/108:00 am
ITO
- ONT
2 stops11h 20m
Southwest
Deal found 7/25![Southwest logo]()
$433
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:53 pm
ONT
- KOA
1 stop8h 42m
United Airlines
Wed 10/2810:59 pm
KOA
- ONT
1 stop10h 30m
United Airlines
Deal found 7/28![United Airlines logo]()
$487
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:04 pm
ONT
- LIH
1 stop12h 21m
Alaska Airlines
Sun 8/1610:28 pm
LIH
- ONT
1 stop9h 46m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$604
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:40 am
ONT
- OGG
2 stops9h 30m
Southwest
Thu 9/107:25 am
OGG
- ONT
2 stops11h 55m
Southwest
Deal found 7/27![Southwest logo]()
$433
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
ONT
- OGG
2 stops14h 52m
Delta
Fri 8/289:15 pm
OGG
- ONT
1 stop14h 38m
Delta
Deal found 7/28![Delta logo]()
$480
This Alaska Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/142:13 pm
ONT
- KOA
1 stop9h 52m
Multiple Airlines
Sat 10/2410:29 am
KOA
- ONT
1 stop8h 00m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$485
This Southwest deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:10 am
ONT
- OGG
2 stops10h 35m
Southwest
Thu 8/277:25 am
OGG
- ONT
1 stop9h 45m
Southwest
Deal found 7/28![Southwest logo]()
$433
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:20 am
ONT
- KOA
1 stop14h 15m
Delta
Tue 8/188:42 pm
KOA
- ONT
1 stop11h 34m
Delta
Deal found 7/28![Delta logo]()
$484
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/186:08 am
ONT
- HNL
1 stop8h 57m
United Airlines
Sun 9/207:00 am
HNL
- ONT
1 stop10h 01m
United Airlines
Deal found 7/28![United Airlines logo]()
$556
Last-minute flights from Ontario to HawaiiDiscover last-minute flight deals from Ontario to Hawaii. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Hawaii. Data last updated July 29, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:56 pm
ONT
- HNL
1 stop8h 32m
United Airlines
Tue 8/259:40 pm
HNL
- ONT
2 stops11h 32m
United Airlines
Deal found 7/26![United Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 8/1811:56 am
ONT
- LIH
1 stop10h 20m
Delta
Fri 8/219:55 pm
LIH
- ONT
1 stop13h 58m
Delta
Deal found 7/26![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 7/27. 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 8/186:20 am
ONT
- OGG
1 stop14h 32m
Delta
Wed 8/269:15 pm
OGG
- ONT
1 stop11h 01m
Delta
Deal found 7/27![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:56 pm
ONT
- OGG
1 stop8h 24m
United Airlines
Wed 8/2610:10 pm
OGG
- ONT
2 stops11h 02m
United Airlines
Deal found 7/27![United Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:20 am
ONT
- OGG
1 stop14h 32m
Delta
Tue 8/258:08 pm
OGG
- ONT
1 stop9h 44m
Delta
Deal found 7/28![Delta logo]()
$364
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2412:35 pm
ONT
- HNL
2 stops11h 35m
Southwest
Thu 8/2711:55 am
HNL
- ONT
Nonstop5h 15m
Southwest
Deal found 7/27![Southwest logo]()
$373
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 8/2511:56 am
ONT
- LIH
1 stop10h 20m
Delta
Tue 9/19:55 pm
LIH
- ONT
2 stops11h 21m
Delta
Deal found 7/26![Delta logo]()
$350
This Booking.com deal was found by Cheapflights users on 7/29. 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 8/259:31 am
ONT
- HNL
Nonstop5h 59m
Alaska Airlines
Tue 9/12:56 pm
HNL
- ONT
1 stop17h 08m
Alaska Airlines
Deal found 7/29![Alaska Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:01 am
ONT
- HNL
2 stops13h 47m
United Airlines
Tue 9/19:40 pm
HNL
- ONT
2 stops11h 32m
United Airlines
Deal found 7/28![United Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:08 am
ONT
- KOA
1 stop7h 41m
United Airlines
Thu 8/2712:04 pm
KOA
- ONT
1 stop7h 55m
United Airlines
Deal found 7/24![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:56 am
ONT
- LIH
1 stop10h 20m
Delta
Wed 9/29:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/28![Delta logo]()
$364
This Southwest deal was found by Cheapflights users on 7/24. 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.
Wed 8/267:15 am
ONT
- KOA
1 stop8h 10m
Southwest
Thu 8/278:00 am
KOA
- ONT
1 stop9h 10m
Southwest
Deal found 7/24![Southwest logo]()
$373
One-way flights from Ontario to HawaiiSearch for one-way flight options from Ontario to Hawaii. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
Search for one-way flight options from Ontario to Hawaii. Find affordable one-way fares based on user searches. Data last updated July 29, 2026.
This Booking.com deal was found by Cheapflights users on 7/26. 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.
Sun 8/309:31 am
ONT
- HNL
Nonstop5h 59m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$144
This Booking.com deal was found by Cheapflights users on 7/24. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:31 am
ONT
- HNL
Nonstop5h 59m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$153
This Trip.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:31 am
ONT
- HNL
Nonstop5h 59m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$161
This Booking.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
ONT
- HNL
Nonstop6h 00m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$162
This Alaska Airlines deal was found by Cheapflights users on 7/24. 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 8/189:11 am
ONT
- HNL
Nonstop5h 58m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$163
This American Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:15 am
ONT
- HNL
1 stop11h 47m
American Airlines
Deal found 7/28![American Airlines logo]()
$166
This Delta deal was found by Cheapflights users on 7/27. 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 8/1811:56 am
ONT
- HNL
1 stop10h 15m
Delta
Deal found 7/27![Delta logo]()
$172
This United Airlines deal was found by Cheapflights users on 7/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:56 pm
ONT
- OGG
1 stop8h 24m
United Airlines
Deal found 7/24![United Airlines logo]()
$172
This United Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am
ONT
- KOA
1 stop9h 48m
United Airlines
Deal found 7/27![United Airlines logo]()
$172
This Delta deal was found by Cheapflights users on 7/26. 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.
Tue 8/1811:56 am
ONT
- LIH
1 stop10h 20m
Delta
Deal found 7/26![Delta logo]()
$173
This Delta deal was found by Cheapflights users on 7/27. 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.
Mon 8/246:00 am
ONT
- KOA
2 stops14h 35m
Delta
Deal found 7/27![Delta logo]()
$178
This United Airlines deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/246:00 am
ONT
- OGG
1 stop7h 48m
United Airlines
Deal found 7/28![United Airlines logo]()
$182
Find flight deals from Ontario to Hawaii
Keep the following information in mind while searching for Ontario to Hawaii flight deals. Data was last updated July 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $335 (Southwest) |
One-way from | $144 (Booking.com) |
Popular in | July |
Cheapest in | February |
Average price | $518 |
Good round-trip deal | $426 or less |
Good one-way deal | $222 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Hawaii 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 July 29, 2026.
Use the filters below to find and compare flights from Ontario to Hawaii that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Tue 9/1
6:20 am-5:52 pm
1 stop14h 32m
Kahului
Thu 9/10
9:10 pm-12:14 pm
2 stops12h 04m
$350
OntarioHilo
ONT - ITO
ONTITO
Ontario
Mon 9/14
6:30 am-6:10 pm
2 stops14h 40m
Hilo Intl
Thu 9/17
6:00 am-8:15 pm
1 stop11h 15m
$356
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Wed 9/23
1:56 pm-7:20 pm
1 stop8h 24m
Kahului
Tue 9/29
7:00 am-5:41 pm
1 stop7h 41m
$364
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Mon 9/21
8:00 am-2:50 pm
1 stop9h 50m
Kahului
Thu 9/24
8:55 pm-11:25 am
2 stops11h 30m
$389
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Tue 9/1
6:20 am-7:11 pm
1 stop15h 51m
Honolulu
Wed 9/9
10:39 pm-11:14 am
1 stop9h 35m
$392
Quickest round-trip
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Fri 10/2
11:00 am-4:25 pm
1 stop8h 25m
Honolulu
Mon 10/5
12:05 pm-8:40 pm
Nonstop5h 35m
$393
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Mon 8/24
6:00 am-2:02 pm
1 stop11h 02m
Kahului
Mon 8/31
9:15 pm-11:16 am
1 stop11h 01m
$393
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Mon 8/17
6:20 am-5:52 pm
1 stop14h 32m
Kahului
Thu 8/20
8:08 pm-8:52 am
1 stop9h 44m
$396
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Thu 8/27
8:00 am-2:50 pm
1 stop9h 50m
Kahului
Wed 9/2
8:25 pm-1:25 pm
1 stop14h 00m
$410
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Sun 8/30
9:31 am-1:58 pm
1 stop7h 27m
Lihue
Thu 9/10
11:57 am-10:10 pm
1 stop7h 13m
$420
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Hawaii
Have a flexible travel schedule? Discover the best time to fly to Hawaii from Ontario with our price prediction graph.
ONT-HNL
ONT-OGG
ONT-KOA
ONT-LIH
ONT-ITO
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 Hawaii
ONT-USHI
ONT-HNL
ONT-OGG
ONT-KOA
ONT-LIH
What is the cheapest month to book a flight from Ontario to Hawaii?
Currently, January is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $402). Flying from Ontario to Hawaii in June is currently the most expensive (average of $624). 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 ONT to HI?
Find hourly flight availability from Ontario to Hawaii. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Hawaii as you normally would.
Weekly flight availability from Ontario to Hawaii
Explore weekly flight availability from Ontario to Hawaii. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 29, 2026.
The most flights from ONT to USHI are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Ontario to Hawaii?
Airfare is below average for this route at the moment.
Ontario to Hawaii flights typically cost between $410 and $590 in October.The cheapest round-trip price found within the last 5 days was $367 on Alaska Airlines (Oct 7-Oct 15).
How far ahead should I book a flight from Ontario to Hawaii?
Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Hawaii. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Hawaii
Get insights into the airlines that provide service to Hawaii. 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 Hawaii. Reviews last updated July 29, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andHawaiian Airlines from Ontario to Hawaii. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Ontario to Hawaii. 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 Hawaii
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Hawaii by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Hawaii by cabin class
Find flights from Ontario to Hawaii, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Hawaii flights
Browse other Ontario and Hawaii flight options. Last updated on July 29, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Hawaii flights
Consider these flights traveling from Ontario to Hawaii.
Top 6 airlines flying from Ontario to Hawaii
Discover the top 6 airlines that operate flights from Ontario to Hawaii. 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 July 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$514 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$183 | Average$452 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$209 | Average$477 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$331 | Average$455 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$353 | Average$539 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$378 | Average$513 | FlexibilityNo cancel fee | On-time85% |