$159+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Sep 25 — Oct 21
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 August 26, 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 August 26, 2026.
This Southwest deal was found by Cheapflights users on 8/21. 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.
Sun 10/258:00 am -
1 stop8h 10m
Fri 10/307:20 am -
1 stop10h 20m
Deal found 8/21![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/109:00 am -
1 stop11h 10m
Thu 11/1911:40 am -
1 stop8h 30m
Deal found 8/22![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:54 am -
1 stop10h 16m
Tue 9/229:54 pm -
1 stop10h 20m
Deal found 8/22![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
1 stop11h 17m
Wed 9/237:49 pm -
1 stop10h 13m
Deal found 8/24![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
1 stop11h 01m
Thu 9/248:00 pm -
1 stop10h 02m
Deal found 8/25![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am -
1 stop14h 31m
Wed 9/238:55 pm -
1 stop11h 19m
Deal found 8/24![Delta logo]()
$344
This Booking.com deal was found by Cheapflights users on 8/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:31 am -
Nonstop5h 59m
Thu 9/241:33 pm -
Nonstop5h 37m
Deal found 8/21![Alaska Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am -
1 stop11h 01m
Wed 9/308:00 pm -
1 stop10h 02m
Deal found 8/22![Delta logo]()
$345
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 am -
1 stop9h 20m
Fri 10/236:15 am -
1 stop11h 25m
Deal found 8/24![Southwest logo]()
$346
This Booking.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:30 am -
Nonstop6h 06m
Thu 11/52:00 pm -
Nonstop5h 42m
Deal found 8/24![Alaska Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:30 am -
Nonstop6h 06m
Fri 2/51:40 pm -
Nonstop5h 38m
Deal found 8/23![Alaska Airlines logo]()
$347
This Booking.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:30 am -
Nonstop6h 06m
Tue 11/172:00 pm -
Nonstop5h 42m
Deal found 8/25![Alaska Airlines 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 August 26, 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 August 26, 2026.
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:00 am -
1 stop14h 31m
Wed 9/238:55 pm -
1 stop11h 19m
Deal found 8/24![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 am -
1 stop9h 20m
Fri 10/236:15 am -
1 stop11h 25m
Deal found 8/24![Southwest logo]()
$346
This United Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:52 pm -
1 stop8h 18m
Tue 10/207:00 am -
1 stop7h 41m
Deal found 8/24![United Airlines logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop9h 08m
Thu 10/298:45 pm -
1 stop21h 44m
Deal found 8/25![Multiple Airlines logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:25 am -
1 stop16h 27m
Tue 10/1310:59 pm -
2 stops15h 06m
Deal found 8/23![Alaska Airlines logo]()
$473
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1811:56 am -
1 stop10h 52m
Sun 10/2510:40 pm -
1 stop9h 36m
Deal found 8/25![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 8/21. 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 11/19:25 am -
2 stops13h 31m
Sat 11/78:00 am -
1 stop8h 01m
Deal found 8/21![United Airlines logo]()
$380
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:30 am -
2 stops11h 20m
Fri 10/307:20 am -
1 stop10h 20m
Deal found 8/25![Southwest logo]()
$386
This Alaska Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/318:39 am -
1 stop11h 49m
Tue 3/26:31 pm -
1 stop24h 57m
Deal found 8/24![Multiple Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
2 stops15h 10m
Fri 9/188:45 pm -
2 stops10h 35m
Deal found 8/25![Southwest logo]()
$396
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:54 am -
1 stop10h 16m
Sat 9/269:54 pm -
1 stop10h 20m
Deal found 8/22![Delta logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop9h 06m
Thu 10/294:51 pm -
2 stops14h 26m
Deal found 8/22![Multiple Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 1/2311:20 am -
1 stop8h 23m
Sat 1/3011:30 pm -
1 stop8h 27m
Deal found 8/21![United Airlines logo]()
$436
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:10 am -
1 stop7h 50m
Sun 10/258:20 am -
1 stop9h 10m
Deal found 8/24![Southwest logo]()
$400
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
2 stops16h 14m
Mon 11/99:45 pm -
1 stop11h 32m
Deal found 8/23![Delta logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:30 am -
1 stop13h 00m
Sun 11/86:00 am -
1 stop13h 42m
Deal found 8/25![Multiple Airlines logo]()
$431
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
2 stops16h 14m
Sun 11/810:51 pm -
1 stop10h 26m
Deal found 8/23![Delta logo]()
$410
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:35 pm -
1 stop10h 55m
Thu 11/1911:59 pm -
1 stop10h 30m
Deal found 8/22![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:30 am -
1 stop10h 05m
Mon 10/268:45 pm -
2 stops10h 00m
Deal found 8/22![Southwest logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:31 am -
Nonstop5h 59m
Wed 9/306:45 pm -
2 stops13h 31m
Deal found 8/25![Multiple Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 8/21. 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 11/96:00 am -
2 stops16h 04m
Tue 11/1710:17 pm -
2 stops16h 13m
Deal found 8/21![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 8/21. 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.
Thu 10/158:00 am -
1 stop8h 10m
Tue 10/2010:20 pm -
2 stops10h 40m
Deal found 8/21![Southwest logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop16h 13m
Wed 10/288:13 am -
1 stop10h 16m
Deal found 8/25![Multiple Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 8/21. 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 12/611:26 am -
1 stop11h 02m
Sat 12/1211:30 pm -
1 stop8h 08m
Deal found 8/21![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am -
2 stops16h 14m
Mon 11/99:45 pm -
2 stops16h 39m
Deal found 8/23![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/291:35 pm -
1 stop8h 57m
Tue 11/311:59 pm -
1 stop10h 30m
Deal found 8/22![United Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/175:40 am -
1 stop9h 55m
Wed 9/236:55 pm -
2 stops11h 25m
Deal found 8/25![Southwest logo]()
$458
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:20 am -
1 stop15h 54m
Wed 11/119:45 pm -
1 stop11h 32m
Deal found 8/23![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/21. 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.
Wed 9/236:08 am -
1 stop7h 41m
Sat 9/2610:55 pm -
1 stop8h 28m
Deal found 8/21![United Airlines logo]()
$484
This Alaska Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:31 am -
1 stop9h 41m
Wed 9/2311:27 am -
1 stop7h 43m
Deal found 8/24![Multiple Airlines logo]()
$518
Last-minute flights from Ontario to HawaiiDiscover last-minute flight deals from Ontario to Hawaii. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Hawaii. Data last updated August 26, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:54 am -
1 stop10h 16m
Tue 9/229:54 pm -
1 stop10h 20m
Deal found 8/22![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:54 am -
1 stop10h 16m
Fri 9/259:54 pm -
2 stops15h 41m
Deal found 8/22![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
1 stop11h 17m
Tue 10/277:25 pm -
1 stop10h 30m
Deal found 8/23![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
1 stop11h 01m
Wed 9/238:00 pm -
1 stop10h 02m
Deal found 8/25![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
1 stop11h 01m
Tue 9/229:10 pm -
2 stops12h 04m
Deal found 8/25![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:00 am -
2 stops16h 28m
Wed 9/237:00 am -
2 stops13h 47m
Deal found 8/25![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am -
1 stop14h 31m
Wed 9/238:55 pm -
1 stop11h 19m
Deal found 8/24![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:52 am -
2 stops12h 36m
Tue 10/2710:40 pm -
1 stop9h 36m
Deal found 8/26![Delta logo]()
$350
This Booking.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:31 am -
Nonstop5h 59m
Thu 9/241:33 pm -
Nonstop5h 37m
Deal found 8/23![Alaska Airlines logo]()
$345
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:00 am -
1 stop11h 01m
Wed 9/308:00 pm -
1 stop10h 02m
Deal found 8/22![Delta logo]()
$345
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:54 am -
1 stop10h 34m
Tue 9/2910:39 pm -
1 stop9h 35m
Deal found 8/24![Delta logo]()
$353
This Priceline deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:31 am -
Nonstop5h 59m
Thu 10/11:33 pm -
Nonstop5h 37m
Deal found 8/24![Alaska Airlines logo]()
$357
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 August 26, 2026.
Search for one-way flight options from Ontario to Hawaii. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This Trip.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:31 am -
Nonstop5h 59m
Deal found 8/25![Alaska Airlines logo]()
$159
This SmartFares deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/218:39 am -
Nonstop6h 13m
Deal found 8/24![Alaska Airlines logo]()
$160
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:31 am -
Nonstop5h 59m
Deal found 8/25![Alaska Airlines logo]()
$163
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:00 am -
Nonstop6h 00m
Deal found 8/26![Alaska Airlines logo]()
$165
This Booking.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/257:00 am -
Nonstop6h 00m
Deal found 8/22![Alaska Airlines logo]()
$167
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:54 am -
1 stop10h 16m
Deal found 8/22![Delta logo]()
$172
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2211:54 am -
1 stop10h 34m
Deal found 8/25![Delta logo]()
$172
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:00 am -
1 stop11h 01m
Deal found 8/24![Delta logo]()
$172
This Delta deal was found by Cheapflights users on 8/21. 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 10/186:20 am -
1 stop14h 18m
Deal found 8/21![Delta logo]()
$172
This Booking.com deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:31 am -
Nonstop5h 59m
Deal found 8/25![Alaska Airlines logo]()
$174
This Trip.com deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
Nonstop6h 00m
Deal found 8/22![Alaska Airlines logo]()
$176
This Booking.com deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/287:00 am -
Nonstop6h 00m
Deal found 8/23![Alaska Airlines logo]()
$177
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 August 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $335 (Southwest) |
One-way from | $159 (Trip.com) |
Popular in | June |
Cheapest in | February |
Average price | $448 |
Good round-trip deal | $405 or less |
Good one-way deal | $227 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 7,457,451 searches. Data last updated August 26, 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 Ontario - KOA Kona Intl
ONTKOA
Ontario
Sun 9/20
6:00 am-5:31 pm
1 stop14h 31m
Kona Intl
Wed 9/23
8:55 pm-11:14 am
1 stop11h 19m
$344
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Mon 10/19
8:00 am-2:20 pm
1 stop9h 20m
Lihue
Fri 10/23
6:15 am-8:40 pm
1 stop11h 25m
$346
Quickest round-trip
OntarioKahului
ONT Ontario - OGG Kahului
ONTOGG
Ontario
Tue 10/13
1:52 pm-7:10 pm
1 stop8h 18m
Kahului
Tue 10/20
7:00 am-5:41 pm
1 stop7h 41m
$374
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Sun 10/18
11:56 am-7:48 pm
1 stop10h 52m
Honolulu
Sun 10/25
10:40 pm-11:16 am
1 stop9h 36m
$374
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Sun 11/1
9:25 am-8:56 pm
2 stops13h 31m
Honolulu
Sat 11/7
8:00 am-6:01 pm
1 stop8h 01m
$380
OntarioKahului
ONT Ontario - OGG Kahului
ONTOGG
Ontario
Fri 10/23
6:30 am-2:50 pm
2 stops11h 20m
Kahului
Fri 10/30
7:20 am-8:40 pm
1 stop10h 20m
$386
OntarioHilo
ONT Ontario - ITO Hilo Intl
ONTITO
Ontario
Tue 9/15
6:00 am-6:10 pm
2 stops15h 10m
Hilo Intl
Fri 9/18
8:45 pm-10:20 am
2 stops10h 35m
$396
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Thu 10/22
6:10 am-11:00 am
1 stop7h 50m
Lihue
Sun 10/25
8:20 am-8:30 pm
1 stop9h 10m
$400
OntarioKahului
ONT Ontario - OGG Kahului
ONTOGG
Ontario
Tue 10/27
7:00 am-1:08 pm
1 stop9h 08m
Kahului
Thu 10/29
8:45 pm-9:29 pm
1 stop21h 44m
$402
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Sun 1/31
8:39 am-6:28 pm
1 stop11h 49m
Kona Intl
Tue 3/2
6:31 pm-9:28 pm
1 stop24h 57m
$402
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-KOA
ONT-LIH
ONT-OGG
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-KOA
ONT-LIH
ONT-OGG
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 $405). Flying from Ontario to Hawaii in July is currently the most expensive (average of $626). 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 August 26, 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.
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 $394 and $552 in September.The cheapest round-trip price found within the last 5 days was $344 on Delta (Sep 15-Oct 27).
How far ahead should I book a flight from Ontario to Hawaii?
Booking 34 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 August 26, 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
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Entertainment
7.5
Crew
8.6
Comfort
8.0
Food
7.0
Overall
8.0
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 August 26, 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 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$513 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$188 | Average$563 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$227 | Average$468 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$288 | Average$436 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$341 | Average$545 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$344 | Average$509 | FlexibilityNo cancel fee | On-time85% |