$149+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Aug 12 — Aug 191
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 13, 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 13, 2026.
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:00 am
ONT
- LIH
1 stop13h 05m
Southwest
Thu 8/278:20 am
LIH
- ONT
1 stop8h 50m
Southwest
Deal found 7/8![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:00 am
ONT
- OGG
1 stop9h 50m
Southwest
Thu 8/279:55 am
OGG
- ONT
1 stop7h 15m
Southwest
Deal found 7/8![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 7/8. 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 8/266:00 am
ONT
- OGG
1 stop11h 02m
Delta
Wed 8/268:08 pm
OGG
- ONT
1 stop9h 44m
Delta
Deal found 7/8![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:00 am
ONT
- LIH
1 stop13h 05m
Southwest
Thu 9/176:15 am
LIH
- ONT
1 stop10h 55m
Southwest
Deal found 7/10![Southwest logo]()
$340
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:45 am
ONT
- KOA
1 stop9h 55m
Southwest
Wed 8/2610:00 am
KOA
- ONT
1 stop7h 05m
Southwest
Deal found 7/9![Southwest logo]()
$340
This Delta deal was found by Cheapflights users on 7/9. 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.
Wed 11/411:56 am
ONT
- LIH
1 stop10h 18m
Delta
Tue 11/1710:45 pm
LIH
- ONT
1 stop10h 31m
Delta
Deal found 7/9![Delta logo]()
$343
This Delta deal was found by Cheapflights users on 7/8. 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 8/3011:56 am
ONT
- LIH
1 stop10h 20m
Delta
Thu 9/109:54 pm
LIH
- ONT
1 stop10h 20m
Delta
Deal found 7/8![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 7/9. 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.
Tue 9/16:20 am
ONT
- OGG
1 stop14h 32m
Delta
Thu 9/109:12 pm
OGG
- ONT
1 stop11h 02m
Delta
Deal found 7/9![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 7/10. 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 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 7/10![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:40 am
ONT
- KOA
2 stops10h 30m
Southwest
Wed 9/210:00 am
KOA
- ONT
1 stop7h 05m
Southwest
Deal found 7/10![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 7/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am
ONT
- LIH
1 stop15h 22m
Delta
Sun 11/2210:45 pm
LIH
- ONT
1 stop10h 31m
Delta
Deal found 7/10![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 7/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:20 am
ONT
- OGG
1 stop14h 39m
Delta
Tue 10/278:05 pm
OGG
- ONT
1 stop9h 50m
Delta
Deal found 7/10![Delta logo]()
$349
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 13, 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 13, 2026.
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:45 am
ONT
- KOA
1 stop9h 55m
Southwest
Wed 8/2610:00 am
KOA
- ONT
1 stop7h 05m
Southwest
Deal found 7/9![Southwest logo]()
$340
This Delta deal was found by Cheapflights users on 7/8. 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 9/2311:54 am
ONT
- LIH
1 stop10h 16m
Delta
Wed 9/309:54 pm
LIH
- ONT
1 stop10h 20m
Delta
Deal found 7/8![Delta logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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.
Wed 10/142:13 pm
ONT
- KOA
1 stop9h 55m
Multiple Airlines
Thu 10/2211:47 am
KOA
- ONT
1 stop9h 06m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/61:52 pm
ONT
- OGG
1 stop8h 18m
United Airlines
Wed 10/1410:30 pm
OGG
- ONT
1 stop8h 53m
United Airlines
Deal found 7/9![United Airlines logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 7/11. 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 8/102:05 pm
ONT
- LIH
1 stop10h 20m
Alaska Airlines
Tue 8/1810:28 pm
LIH
- ONT
1 stop9h 36m
Alaska Airlines
Deal found 7/11![Alaska Airlines logo]()
$435
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:40 am
ONT
- LIH
2 stops13h 30m
Southwest
Thu 8/279:25 pm
LIH
- ONT
2 stops11h 00m
Southwest
Deal found 7/8![Southwest logo]()
$355
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Thu 8/276:08 am
ONT
- KOA
1 stop7h 41m
United Airlines
Thu 9/310:50 pm
KOA
- ONT
1 stop10h 22m
United Airlines
Deal found 7/10![United Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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.
Mon 8/249:31 am
ONT
- LIH
1 stop13h 00m
Multiple Airlines
Thu 8/279:00 am
LIH
- ONT
1 stop10h 10m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 7/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:56 am
ONT
- LIH
1 stop10h 20m
Delta
Tue 9/19:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/10![Delta logo]()
$424
This Delta deal was found by Cheapflights users on 7/12. 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.
Tue 9/86:20 am
ONT
- HNL
1 stop16h 08m
Delta
Wed 9/1610:39 pm
HNL
- ONT
1 stop9h 35m
Delta
Deal found 7/12![Delta logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 7/11. 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 8/172:05 pm
ONT
- OGG
1 stop11h 02m
Multiple Airlines
Thu 8/2011:36 am
OGG
- ONT
1 stop7h 34m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:40 am
ONT
- ITO
1 stop9h 55m
Southwest
Thu 8/278:00 am
ITO
- ONT
1 stop9h 10m
Southwest
Deal found 7/8![Southwest logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 7/8. 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.
Sat 9/1912:12 pm
ONT
- OGG
1 stop13h 02m
Alaska Airlines
Fri 9/259:52 pm
OGG
- ONT
1 stop8h 59m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$476
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/191:56 pm
ONT
- OGG
1 stop8h 24m
United Airlines
Sun 8/307:00 am
OGG
- ONT
1 stop10h 01m
United Airlines
Deal found 7/8![United Airlines logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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 11/97:20 am
ONT
- ITO
1 stop9h 04m
Multiple Airlines
Thu 11/129:26 am
ITO
- ONT
1 stop10h 06m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 7/8. 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 8/911:56 am
ONT
- HNL
1 stop10h 15m
Delta
Thu 8/2010:45 pm
HNL
- ONT
2 stops21h 49m
Delta
Deal found 7/8![Delta logo]()
$432
This Alaska Airlines deal was found by Cheapflights users on 7/9. 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.
Sat 8/812:04 pm
ONT
- KOA
1 stop10h 01m
Alaska Airlines
Fri 8/149:19 pm
KOA
- ONT
1 stop10h 55m
Alaska Airlines
Deal found 7/9![Alaska Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 7/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/178:00 am
ONT
- KOA
1 stop13h 05m
Southwest
Thu 8/208:00 am
KOA
- ONT
2 stops11h 10m
Southwest
Deal found 7/12![Southwest logo]()
$452
This United Airlines deal was found by Cheapflights users on 7/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/21:52 pm
ONT
- KOA
1 stop8h 40m
United Airlines
Wed 11/1111:59 pm
KOA
- ONT
1 stop10h 02m
United Airlines
Deal found 7/9![United Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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 12/19:00 am
ONT
- KOA
1 stop14h 50m
Multiple Airlines
Tue 12/812:18 pm
KOA
- ONT
1 stop7h 10m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 7/11. 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 8/3111:56 am
ONT
- LIH
1 stop10h 20m
Delta
Thu 9/109:54 pm
LIH
- ONT
1 stop10h 20m
Delta
Deal found 7/11![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Sun 8/161:56 pm
ONT
- LIH
1 stop8h 48m
United Airlines
Fri 8/2110:48 pm
LIH
- ONT
1 stop10h 24m
United Airlines
Deal found 7/10![United Airlines logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 7/11. 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.
Wed 8/52:05 pm
ONT
- LIH
1 stop10h 20m
Multiple Airlines
Thu 8/209:00 am
LIH
- ONT
1 stop10h 10m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/238:00 am
ONT
- OGG
1 stop9h 50m
Southwest
Sun 8/308:55 pm
OGG
- ONT
2 stops11h 30m
Southwest
Deal found 7/9![Southwest logo]()
$477
This Delta deal was found by Cheapflights users on 7/12. 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.
Sun 8/3011:56 am
ONT
- LIH
1 stop10h 20m
Delta
Wed 9/99:54 pm
LIH
- ONT
1 stop10h 20m
Delta
Deal found 7/12![Delta logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 7/12. 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.
Wed 8/52:05 pm
ONT
- LIH
1 stop10h 20m
Multiple Airlines
Thu 8/1312:23 pm
LIH
- ONT
1 stop8h 29m
Multiple Airlines
Deal found 7/12![Multiple Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 7/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/105:15 am
ONT
- OGG
1 stop10h 35m
Southwest
Mon 8/178:25 pm
OGG
- ONT
1 stop11h 00m
Southwest
Deal found 7/12![Southwest logo]()
$479
This United Airlines deal was found by Cheapflights users on 7/8. 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.
Thu 9/244:03 pm
ONT
- KOA
1 stop8h 24m
United Airlines
Mon 9/2810:55 pm
KOA
- ONT
1 stop8h 28m
United Airlines
Deal found 7/8![United Airlines logo]()
$504
This Alaska Airlines deal was found by Cheapflights users on 7/10. 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 8/139:11 am
ONT
- OGG
1 stop7h 34m
Multiple Airlines
Thu 8/2010:05 am
OGG
- ONT
1 stop9h 05m
Multiple Airlines
Deal found 7/10![Multiple Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/105:40 am
ONT
- KOA
2 stops11h 30m
Southwest
Sun 9/138:00 am
KOA
- ONT
1 stop9h 10m
Southwest
Deal found 7/9![Southwest logo]()
$485
Last-minute flights from Ontario to HawaiiDiscover last-minute flight deals from Ontario to Hawaii. Data last updated July 13, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Hawaii. Data last updated July 13, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/10. 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 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 7/10![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 7/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:45 am
ONT
- KOA
1 stop9h 55m
Southwest
Wed 8/2610:00 am
KOA
- ONT
1 stop7h 05m
Southwest
Deal found 7/9![Southwest logo]()
$340
This Delta deal was found by Cheapflights users on 7/9. 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.
Wed 8/196:00 am
ONT
- KOA
2 stops14h 35m
Delta
Wed 8/268:42 pm
KOA
- ONT
1 stop11h 34m
Delta
Deal found 7/9![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 7/9. 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 8/236:20 am
ONT
- OGG
1 stop14h 32m
Delta
Mon 8/319:15 pm
OGG
- ONT
1 stop11h 01m
Delta
Deal found 7/9![Delta logo]()
$349
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:00 am
ONT
- LIH
1 stop13h 05m
Southwest
Thu 8/278:20 am
LIH
- ONT
1 stop8h 50m
Southwest
Deal found 7/8![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 7/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:00 am
ONT
- OGG
1 stop9h 50m
Southwest
Thu 8/279:55 am
OGG
- ONT
1 stop7h 15m
Southwest
Deal found 7/8![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 7/8. 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 8/256:20 am
ONT
- OGG
1 stop14h 32m
Delta
Thu 8/278:08 pm
OGG
- ONT
1 stop9h 44m
Delta
Deal found 7/8![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 7/10. 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 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
Mon 8/319:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/10![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 7/8. 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 8/256:20 am
ONT
- OGG
1 stop14h 32m
Delta
Wed 8/269:15 pm
OGG
- ONT
2 stops12h 01m
Delta
Deal found 7/8![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 7/8. 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 8/266:00 am
ONT
- OGG
1 stop11h 02m
Delta
Wed 8/268:08 pm
OGG
- ONT
1 stop9h 44m
Delta
Deal found 7/8![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 7/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/266:40 am
ONT
- KOA
2 stops10h 30m
Southwest
Wed 9/210:00 am
KOA
- ONT
1 stop7h 05m
Southwest
Deal found 7/10![Southwest logo]()
$346
This Delta deal was found by Cheapflights users on 7/8. 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 8/3011:56 am
ONT
- LIH
1 stop10h 20m
Delta
Thu 9/109:54 pm
LIH
- ONT
1 stop10h 20m
Delta
Deal found 7/8![Delta logo]()
$344
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 13, 2026.
Search for one-way flight options from Ontario to Hawaii. Find affordable one-way fares based on user searches. Data last updated July 13, 2026.
This Trip.com deal was found by Cheapflights users on 7/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:00 am
ONT
- HNL
1 stop11h 45m
Delta
Deal found 7/8![Delta logo]()
$149
This Trip.com deal was found by Cheapflights users on 7/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:56 am
ONT
- HNL
1 stop10h 15m
Delta
Deal found 7/10![Delta logo]()
$150
This Delta deal was found by Cheapflights users on 7/8. 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 8/911:56 am
ONT
- HNL
1 stop10h 15m
Delta
Deal found 7/8![Delta logo]()
$154
This American Airlines deal was found by Cheapflights users on 7/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:15 am
ONT
- HNL
1 stop9h 12m
American Airlines
Deal found 7/9![American Airlines logo]()
$155
This Trip.com deal was found by Cheapflights users on 7/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:00 am
ONT
- HNL
Nonstop5h 57m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$157
This Trip.com deal was found by Cheapflights users on 7/9. 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 Trip.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 7/9![Alaska Airlines logo]()
$159
This Trip.com deal was found by Cheapflights users on 7/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:31 am
ONT
- HNL
Nonstop5h 59m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$162
This Priceline deal was found by Cheapflights users on 7/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:31 am
ONT
- HNL
Nonstop5h 59m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$163
This Delta deal was found by Cheapflights users on 7/11. 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.
Tue 10/66:00 am
ONT
- HNL
2 stops16h 48m
Delta
Deal found 7/11![Delta logo]()
$165
This Delta deal was found by Cheapflights users on 7/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/911:56 am
ONT
- LIH
1 stop10h 20m
Delta
Deal found 7/10![Delta logo]()
$172
This Delta deal was found by Cheapflights users on 7/8. 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 8/1311:56 am
ONT
- HNL
1 stop10h 15m
Delta
Deal found 7/8![Delta logo]()
$172
This United Airlines deal was found by Cheapflights users on 7/10. 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.
Mon 8/101:50 pm
ONT
- OGG
1 stop8h 27m
United Airlines
Deal found 7/10![United Airlines logo]()
$172
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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $335 (Southwest) |
One-way from | $149 (Trip.com) |
Popular in | July |
Cheapest in | February |
Average price | $521 |
Good round-trip deal | $432 or less |
Good one-way deal | $232 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 13, 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
OntarioKailua-Kona
ONT - KOA
ONTKOA
Ontario
Wed 8/19
5:45 am-12:40 pm
1 stop9h 55m
Kona Intl
Wed 8/26
10:00 am-8:05 pm
1 stop7h 05m
$340
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Wed 9/23
11:54 am-7:10 pm
1 stop10h 16m
Lihue
Wed 9/30
9:54 pm-11:14 am
1 stop10h 20m
$344
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Mon 8/24
5:40 am-4:10 pm
2 stops13h 30m
Lihue
Thu 8/27
9:25 pm-11:25 am
2 stops11h 00m
$355
OntarioKailua-Kona
ONT - KOA
ONTKOA
Ontario
Wed 10/14
2:13 pm-9:08 pm
1 stop9h 55m
Kona Intl
Thu 10/22
11:47 am-11:53 pm
1 stop9h 06m
$366
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Tue 10/6
1:52 pm-7:10 pm
1 stop8h 18m
Kahului
Wed 10/14
10:30 pm-10:23 am
1 stop8h 53m
$375
OntarioKailua-Kona
ONT - KOA
ONTKOA
Ontario
Thu 8/27
6:08 am-10:49 am
1 stop7h 41m
Kona Intl
Thu 9/3
10:50 pm-12:12 pm
1 stop10h 22m
$404
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Mon 8/24
9:31 am-7:31 pm
1 stop13h 00m
Lihue
Thu 8/27
9:00 am-10:10 pm
1 stop10h 10m
$419
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Thu 8/27
11:56 am-7:16 pm
1 stop10h 20m
Lihue
Tue 9/1
9:55 pm-11:16 am
1 stop10h 21m
$424
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Tue 9/8
6:20 am-7:28 pm
1 stop16h 08m
Honolulu
Wed 9/16
10:39 pm-11:14 am
1 stop9h 35m
$424
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Mon 8/17
2:05 pm-10:07 pm
1 stop11h 02m
Kahului
Thu 8/20
11:36 am-10:10 pm
1 stop7h 34m
$424
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-LIH
ONT-OGG
ONT-KOA
ONT-HNL
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-LIH
ONT-OGG
ONT-KOA
ONT-HNL
What is the cheapest month to book a flight from Ontario to Hawaii?
Currently, May is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $78). Flying from Ontario to Hawaii in November is currently the most expensive (average of $298). 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 13, 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 13, 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?
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 13, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Ontario to Hawaii. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
8.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Food
7.0
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 13, 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 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$520 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$183 | Average$403 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$198 | Average$474 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$331 | Average$455 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$346 | Average$535 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$347 | Average$514 | FlexibilityNo cancel fee | On-time85% |