$145+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Aug 22 — Aug 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Hawaii
Cheapest
Best
Last-minute
One-way
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 23, 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 23, 2026.
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/151:56 pm
ONT
- OGG
1 stop8h 24m
United Airlines
Wed 9/167:00 am
OGG
- ONT
1 stop8h 16m
United Airlines
Deal found 7/21![United Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 12/67:00 am
ONT
- LIH
1 stop15h 22m
Delta
Tue 12/1510:45 pm
LIH
- ONT
1 stop10h 31m
Delta
Deal found 7/21![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am
ONT
- OGG
1 stop11h 00m
Delta
Tue 10/278:05 pm
OGG
- ONT
1 stop9h 50m
Delta
Deal found 7/21![Delta logo]()
$290
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 10/204:07 pm
ONT
- KOA
1 stop8h 20m
United Airlines
Wed 10/2810:59 pm
KOA
- ONT
1 stop10h 02m
United Airlines
Deal found 7/22![United Airlines logo]()
$290
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 12/67:00 am
ONT
- LIH
1 stop15h 22m
Delta
Fri 12/1110:45 pm
LIH
- ONT
2 stops15h 27m
Delta
Deal found 7/21![Delta logo]()
$296
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/276:00 am
ONT
- OGG
2 stops14h 59m
Delta
Thu 10/298:05 pm
OGG
- ONT
1 stop9h 50m
Delta
Deal found 7/21![Delta logo]()
$296
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/276:00 am
ONT
- OGG
2 stops14h 59m
Delta
Fri 10/309:14 pm
OGG
- ONT
2 stops16h 10m
Delta
Deal found 7/21![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 7/22. 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.
Mon 10/268:00 am
ONT
- KOA
1 stop9h 15m
Southwest
Tue 11/311:40 am
KOA
- ONT
1 stop8h 30m
Southwest
Deal found 7/22![Southwest logo]()
$308
This Delta deal was found by Cheapflights users on 7/22. 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.
Mon 8/3111:56 am
ONT
- LIH
1 stop10h 20m
Delta
Thu 9/109:54 pm
LIH
- ONT
1 stop10h 20m
Delta
Deal found 7/22![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 7/22. 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 10/216:20 am
ONT
- KOA
1 stop14h 18m
Delta
Wed 10/289:03 pm
KOA
- ONT
1 stop11h 13m
Delta
Deal found 7/22![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 10/276:00 am
ONT
- OGG
2 stops14h 59m
Delta
Wed 10/288:05 pm
OGG
- ONT
1 stop9h 50m
Delta
Deal found 7/22![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 7/22. 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 10/216:20 am
ONT
- KOA
1 stop14h 18m
Delta
Tue 11/39:03 pm
KOA
- ONT
2 stops13h 19m
Delta
Deal found 7/22![Delta logo]()
$316
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 23, 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 23, 2026.
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 10/206:20 am
ONT
- KOA
1 stop14h 18m
Delta
Wed 10/289:03 pm
KOA
- ONT
2 stops12h 19m
Delta
Deal found 7/22![Delta logo]()
$316
This Southwest deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:40 am
ONT
- LIH
2 stops13h 30m
Southwest
Thu 8/278:20 am
LIH
- ONT
1 stop8h 50m
Southwest
Deal found 7/18![Southwest logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1812:04 pm
ONT
- KOA
1 stop10h 01m
Multiple Airlines
Thu 8/2710:51 am
KOA
- ONT
1 stop8h 19m
Multiple Airlines
Deal found 7/18![Multiple Airlines logo]()
$406
This Alaska Airlines deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2212:12 pm
ONT
- KOA
1 stop10h 15m
Alaska Airlines
Tue 9/2910:25 pm
KOA
- ONT
1 stop9h 51m
Alaska Airlines
Deal found 7/18![Alaska Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sat 9/196:08 am
ONT
- KOA
1 stop7h 41m
United Airlines
Sat 9/2610:55 pm
KOA
- ONT
1 stop8h 28m
United Airlines
Deal found 7/22![United Airlines logo]()
$426
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:20 am
ONT
- OGG
1 stop14h 32m
Delta
Thu 8/278:08 pm
OGG
- ONT
1 stop9h 44m
Delta
Deal found 7/21![Delta logo]()
$364
This Southwest deal was found by Cheapflights users on 7/22. 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.
Tue 8/189:40 am
ONT
- OGG
2 stops9h 30m
Southwest
Wed 8/2610:00 am
OGG
- ONT
1 stop8h 55m
Southwest
Deal found 7/22![Southwest logo]()
$378
This Delta deal was found by Cheapflights users on 7/22. 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 10/216:20 am
ONT
- KOA
1 stop14h 18m
Delta
Tue 11/39:03 pm
KOA
- ONT
1 stop18h 09m
Delta
Deal found 7/22![Delta logo]()
$370
This Alaska Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 stop8h 16m
Multiple Airlines
Thu 10/295:59 pm
ITO
- ONT
2 stops16h 17m
Multiple Airlines
Deal found 7/21![Multiple Airlines logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/610:47 am
ONT
- OGG
1 stop10h 00m
Alaska Airlines
Fri 9/119:18 pm
OGG
- ONT
1 stop10h 58m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$429
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/266:00 am
ONT
- LIH
1 stop13h 10m
Southwest
Mon 8/318:20 am
LIH
- ONT
1 stop8h 50m
Southwest
Deal found 7/21![Southwest logo]()
$410
This Delta deal was found by Cheapflights users on 7/22. 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.
Mon 10/265:52 pm
ONT
- KOA
1 stop26h 46m
Delta
Wed 10/289:03 pm
KOA
- ONT
1 stop11h 13m
Delta
Deal found 7/22![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/216:08 am
ONT
- KOA
1 stop7h 41m
United Airlines
Thu 10/110:55 pm
KOA
- ONT
1 stop10h 23m
United Airlines
Deal found 7/21![United Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:02 am
ONT
- ITO
2 stops12h 11m
Multiple Airlines
Tue 10/276:49 pm
ITO
- ONT
2 stops15h 27m
Multiple Airlines
Deal found 7/19![Multiple Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 10/2011:56 am
ONT
- KOA
1 stop32h 42m
Delta
Thu 10/299:03 pm
KOA
- ONT
1 stop11h 13m
Delta
Deal found 7/22![Delta logo]()
$374
This Southwest deal was found by Cheapflights users on 7/22. 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.
Fri 8/215:15 am
ONT
- OGG
1 stop10h 35m
Southwest
Fri 8/289:55 am
OGG
- ONT
1 stop7h 15m
Southwest
Deal found 7/22![Southwest logo]()
$422
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/261:56 pm
ONT
- KOA
1 stop8h 39m
United Airlines
Mon 8/3112:04 pm
KOA
- ONT
1 stop7h 55m
United Airlines
Deal found 7/22![United Airlines logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 10/277:00 am
ONT
- OGG
2 stops30h 16m
Multiple Airlines
Wed 10/289:29 pm
OGG
- ONT
1 stop9h 48m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 7/22. 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 8/266:00 am
ONT
- OGG
2 stops14h 52m
Delta
Mon 8/319:15 pm
OGG
- ONT
1 stop11h 01m
Delta
Deal found 7/22![Delta logo]()
$384
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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
Tue 8/257:05 pm
KOA
- ONT
2 stops9h 50m
Southwest
Deal found 7/20![Southwest logo]()
$423
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 11/106:00 am
ONT
- LIH
1 stop8h 31m
United Airlines
Sun 11/1511:59 pm
LIH
- ONT
1 stop10h 02m
United Airlines
Deal found 7/22![United Airlines logo]()
$479
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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.
Fri 11/137:20 am
ONT
- OGG
1 stop7h 52m
Multiple Airlines
Wed 11/1812:01 pm
OGG
- ONT
1 stop7h 31m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/2011:25 am
ONT
- OGG
2 stops9h 50m
Southwest
Sun 10/257:20 am
OGG
- ONT
1 stop10h 10m
Southwest
Deal found 7/21![Southwest logo]()
$435
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Mon 10/56:07 am
ONT
- HNL
1 stop8h 38m
United Airlines
Tue 10/137:00 am
HNL
- ONT
1 stop7h 41m
United Airlines
Deal found 7/22![United Airlines logo]()
$488
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:20 am
ONT
- HNL
1 stop16h 08m
Delta
Wed 9/3010:39 pm
HNL
- ONT
1 stop9h 35m
Delta
Deal found 7/19![Delta logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 7/22. 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 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 7/22![Multiple Airlines logo]()
$467
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:56 am
ONT
- LIH
1 stop10h 20m
Delta
Wed 8/269:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/18![Delta logo]()
$414
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 9/185:40 am
ONT
- ITO
2 stops11h 50m
Southwest
Fri 9/258:45 pm
ITO
- ONT
1 stop9h 00m
Southwest
Deal found 7/21![Southwest logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:00 am
ONT
- ITO
1 stop8h 16m
Multiple Airlines
Fri 11/611:11 am
ITO
- ONT
1 stop8h 21m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$505
This Delta deal was found by Cheapflights users on 7/22. 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.
Thu 8/206:00 am
ONT
- OGG
1 stop11h 02m
Delta
Wed 8/268:08 pm
OGG
- ONT
1 stop9h 44m
Delta
Deal found 7/22![Delta logo]()
$418
Last-minute flights from Ontario to HawaiiDiscover last-minute flight deals from Ontario to Hawaii. Data last updated July 23, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Hawaii. Data last updated July 23, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:20 am
ONT
- OGG
1 stop14h 32m
Delta
Thu 8/208:08 pm
OGG
- ONT
1 stop9h 44m
Delta
Deal found 7/19![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 7/23. 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.
Mon 8/1711:56 am
ONT
- LIH
1 stop10h 20m
Delta
Wed 8/269:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/23![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/176:08 am
ONT
- OGG
1 stop7h 40m
United Airlines
Thu 8/2710:10 pm
OGG
- ONT
2 stops11h 02m
United Airlines
Deal found 7/20![United Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Tue 8/186:08 am
ONT
- OGG
1 stop7h 40m
United Airlines
Wed 8/2610:10 pm
OGG
- ONT
2 stops11h 02m
United Airlines
Deal found 7/22![United Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:20 am
ONT
- KOA
1 stop14h 15m
Delta
Tue 8/258:42 pm
KOA
- ONT
1 stop11h 34m
Delta
Deal found 7/19![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/231:56 pm
ONT
- OGG
1 stop8h 24m
United Airlines
Thu 8/277:00 am
OGG
- ONT
1 stop8h 11m
United Airlines
Deal found 7/21![United Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” 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 8/237:15 am
ONT
- KOA
1 stop8h 00m
Southwest
Thu 8/276:05 am
KOA
- ONT
1 stop11h 05m
Southwest
Deal found 7/20![Southwest logo]()
$340
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 7/19![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/306:00 am
ONT
- LIH
2 stops16h 16m
Delta
Tue 9/19:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/19![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sun 8/306:08 am
ONT
- OGG
1 stop7h 40m
United Airlines
Sun 9/67:00 am
OGG
- ONT
1 stop8h 11m
United Airlines
Deal found 7/22![United Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 7/22. 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.
Mon 8/3111:56 am
ONT
- LIH
1 stop10h 20m
Delta
Thu 9/109:54 pm
LIH
- ONT
1 stop10h 20m
Delta
Deal found 7/22![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 8/311:56 pm
ONT
- OGG
1 stop8h 24m
United Airlines
Tue 9/87:00 am
OGG
- ONT
1 stop10h 01m
United Airlines
Deal found 7/21![United Airlines logo]()
$355
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 23, 2026.
Search for one-way flight options from Ontario to Hawaii. Find affordable one-way fares based on user searches. Data last updated July 23, 2026.
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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
Deal found 7/21![Delta logo]()
$145
This Delta deal was found by Cheapflights users on 7/22. 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.
Tue 8/1811:56 am
ONT
- HNL
1 stop10h 15m
Delta
Deal found 7/22![Delta logo]()
$145
This United Airlines deal was found by Cheapflights users on 7/22. 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.
Sun 9/66:08 am
ONT
- OGG
1 stop7h 40m
United Airlines
Deal found 7/22![United Airlines logo]()
$145
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 11/176:00 am
ONT
- LIH
2 stops16h 22m
Delta
Deal found 7/21![Delta logo]()
$151
This Delta deal was found by Cheapflights users on 7/22. 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.
Mon 8/249:43 am
ONT
- HNL
2 stops14h 37m
Delta
Deal found 7/22![Delta logo]()
$151
This Priceline deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline 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 7/19![Alaska Airlines logo]()
$163
This Booking.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:20 am
ONT
- HNL
Nonstop6h 10m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$166
This Southwest deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Deal found 7/19![Southwest logo]()
$168
This Southwest deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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
- ITO
1 stop13h 10m
Southwest
Deal found 7/21![Southwest logo]()
$168
This Booking.com deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am
ONT
- HNL
Nonstop6h 00m
Alaska Airlines
Deal found 7/19![Alaska Airlines logo]()
$169
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:56 am
ONT
- LIH
1 stop10h 20m
Delta
Deal found 7/18![Delta logo]()
$172
This United Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” 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 10/204:07 pm
ONT
- HNL
1 stop8h 49m
United Airlines
Deal found 7/21![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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $285 (United Airlines) |
One-way from | $145 (Delta) |
Popular in | July |
Cheapest in | February |
Average price | $519 |
Good round-trip deal | $427 or less |
Good one-way deal | $226 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 23, 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
Tue 10/20
6:20 am-5:38 pm
1 stop14h 18m
Kona Intl
Wed 10/28
9:03 pm-12:22 pm
2 stops12h 19m
$316
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Mon 8/24
5:40 am-4:10 pm
2 stops13h 30m
Lihue
Thu 8/27
8:20 am-8:10 pm
1 stop8h 50m
$345
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Sun 8/16
6:20 am-5:52 pm
1 stop14h 32m
Kahului
Thu 8/27
8:08 pm-8:52 am
1 stop9h 44m
$364
OntarioKailua-Kona
ONT - KOA
ONTKOA
Ontario
Wed 10/21
6:20 am-5:38 pm
1 stop14h 18m
Kona Intl
Tue 11/3
9:03 pm-5:12 pm
1 stop18h 09m
$370
OntarioKailua-Kona
ONT - KOA
ONTKOA
Ontario
Mon 10/26
5:52 pm-5:38 pm
1 stop26h 46m
Kona Intl
Wed 10/28
9:03 pm-11:16 am
1 stop11h 13m
$374
OntarioKailua-Kona
ONT - KOA
ONTKOA
Ontario
Tue 10/20
11:56 am-5:38 pm
1 stop32h 42m
Kona Intl
Thu 10/29
9:03 pm-11:16 am
1 stop11h 13m
$374
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Tue 8/18
9:40 am-4:10 pm
2 stops9h 30m
Kahului
Wed 8/26
10:00 am-9:55 pm
1 stop8h 55m
$378
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Wed 8/26
6:00 am-5:52 pm
2 stops14h 52m
Kahului
Mon 8/31
9:15 pm-11:16 am
1 stop11h 01m
$384
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Sun 9/13
6:20 am-7:28 pm
1 stop16h 08m
Honolulu
Wed 9/30
10:39 pm-11:14 am
1 stop9h 35m
$404
OntarioKailua-Kona
ONT - KOA
ONTKOA
Ontario
Tue 8/18
12:04 pm-7:05 pm
1 stop10h 01m
Kona Intl
Thu 8/27
10:51 am-10:10 pm
1 stop8h 19m
$406
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-OGG
ONT-ITO
ONT-KOA
ONT-HNL
ONT-LIH
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Hawaii
ONT-USHI
ONT-OGG
ONT-ITO
ONT-KOA
ONT-HNL
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 $401). 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 23, 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 23, 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 $488 and $684 in November.The cheapest round-trip price found within the last 5 days was $377 on Multiple Airlines (Nov 5-Nov 9).
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 23, 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.
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Overall
8.0
Comfort
8.0
Boarding
8.1
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.
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
Flights by cabin class
Other flight options
Popular flights
Top destinations
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 23, 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$519 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$183 | Average$460 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$209 | Average$474 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$331 | Average$455 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$344 | Average$514 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$349 | Average$537 | FlexibilityNo cancel fee | On-time63% |