$173+ Cheap flights from Ontario (ONT) to Hawaii
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Aug 6 — Aug 131
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 7, 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 7, 2026.
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 12/19:00 am
ONT
- ITO
1 stop11h 10m
Southwest
Tue 12/811:35 am
ITO
- ONT
1 stop8h 35m
Southwest
Deal found 7/7![Southwest logo]()
$341
This Trip.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Thu 8/209:31 am
ONT
- LIH
1 stop9h 11m
Multiple Airlines
Wed 8/269:35 pm
LIH
- ONT
1 stop10h 29m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$413
This Trip.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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.
Thu 8/209:31 am
ONT
- OGG
1 stop7h 37m
Multiple Airlines
Wed 8/2612:01 pm
OGG
- ONT
1 stop7h 09m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/199:31 am
ONT
- LIH
1 stop9h 49m
Multiple Airlines
Tue 8/256:00 am
LIH
- ONT
1 stop13h 10m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$419
This Priceline deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Sun 8/239:31 am
ONT
- OGG
1 stop9h 10m
Multiple Airlines
Fri 8/2810:05 am
OGG
- ONT
1 stop9h 05m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/179:11 am
ONT
- KOA
1 stop11h 01m
Multiple Airlines
Tue 8/259:48 am
KOA
- ONT
1 stop9h 22m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/179:11 am
ONT
- KOA
1 stop13h 20m
Multiple Airlines
Mon 8/247:15 pm
KOA
- ONT
1 stop23h 55m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$420
This Trip.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Thu 8/209:31 am
ONT
- KOA
1 stop7h 37m
Multiple Airlines
Wed 8/2610:25 pm
KOA
- ONT
1 stop9h 39m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$423
This Orbitz deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:05 pm
ONT
- LIH
1 stop20h 15m
Multiple Airlines
Thu 9/104:15 pm
LIH
- ONT
1 stop26h 55m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:11 am
ONT
- OGG
1 stop26h 29m
Multiple Airlines
Tue 8/259:52 pm
OGG
- ONT
1 stop8h 56m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/1612:12 pm
ONT
- KOA
1 stop10h 15m
Multiple Airlines
Wed 9/236:00 am
KOA
- ONT
1 stop13h 10m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 11/19:00 am
ONT
- LIH
1 stop11h 05m
Southwest
Wed 11/1111:50 am
LIH
- ONT
1 stop8h 20m
Southwest
Deal found 7/3![Southwest logo]()
$425
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 7, 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 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:11 am
ONT
- KOA
1 stop12h 34m
Multiple Airlines
Tue 8/2510:25 pm
KOA
- ONT
1 stop9h 39m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:56 am
ONT
- LIH
1 stop10h 20m
Delta
Wed 8/269:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/4![Delta logo]()
$428
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:00 am
ONT
- LIH
1 stop13h 05m
Southwest
Thu 9/109:25 pm
LIH
- ONT
2 stops11h 00m
Southwest
Deal found 7/3![Southwest logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/42:05 pm
ONT
- KOA
1 stop11h 05m
Alaska Airlines
Thu 8/69:19 pm
KOA
- ONT
1 stop10h 55m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/276:00 am
ONT
- HNL
1 stop8h 45m
United Airlines
Thu 10/19:30 am
HNL
- ONT
1 stop10h 29m
United Airlines
Deal found 7/2![United Airlines logo]()
$480
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/1911:56 am
ONT
- LIH
1 stop10h 20m
Delta
Wed 8/269:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/4![Delta logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/186:02 am
ONT
- OGG
1 stop10h 17m
Multiple Airlines
Tue 8/259:18 pm
OGG
- ONT
1 stop10h 46m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 11/87:20 am
ONT
- HNL
Nonstop6h 10m
Alaska Airlines
Tue 11/171:50 pm
HNL
- ONT
Nonstop5h 42m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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
- OGG
2 stops11h 05m
Southwest
Thu 8/277:25 am
OGG
- ONT
2 stops11h 45m
Southwest
Deal found 7/6![Southwest logo]()
$439
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:20 am
ONT
- OGG
1 stop14h 32m
Delta
Fri 8/289:15 pm
OGG
- ONT
2 stops16h 09m
Delta
Deal found 7/6![Delta logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 11/107:15 am
ONT
- ITO
2 stops12h 12m
Multiple Airlines
Wed 11/1111:11 am
ITO
- ONT
1 stop8h 21m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$436
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/42:05 pm
ONT
- KOA
1 stop11h 05m
Alaska Airlines
Tue 8/1111:58 am
KOA
- ONT
1 stop8h 54m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$451
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:00 am
ONT
- OGG
1 stop9h 40m
Southwest
Fri 12/1111:20 pm
OGG
- ONT
2 stops10h 25m
Southwest
Deal found 7/6![Southwest logo]()
$453
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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
Tue 8/189:15 pm
OGG
- ONT
2 stops12h 01m
Delta
Deal found 7/2![Delta logo]()
$434
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/21:50 pm
ONT
- LIH
1 stop8h 52m
United Airlines
Mon 8/1010:44 pm
LIH
- ONT
1 stop10h 28m
United Airlines
Deal found 7/4![United Airlines logo]()
$533
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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
Multiple Airlines
Wed 8/1212:23 pm
LIH
- ONT
1 stop8h 29m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$451
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Sat 9/128:00 am
ONT
- OGG
1 stop8h 10m
Southwest
Thu 9/179:55 am
OGG
- ONT
1 stop7h 15m
Southwest
Deal found 7/3![Southwest logo]()
$467
This United Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/2![United Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 8/2311:56 am
ONT
- HNL
1 stop10h 15m
Delta
Fri 8/287:00 am
HNL
- ONT
2 stops13h 34m
Delta
Deal found 7/2![Delta logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 7/292:05 pm
ONT
- OGG
1 stop11h 02m
Alaska Airlines
Mon 8/39:40 pm
OGG
- ONT
1 stop10h 34m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$499
This Priceline deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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.
Thu 8/62:05 pm
ONT
- LIH
1 stop10h 20m
Multiple Airlines
Thu 8/1312:23 pm
LIH
- ONT
1 stop8h 29m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 8/316:10 am
ONT
- LIH
2 stops11h 05m
Southwest
Sat 9/58:20 am
LIH
- ONT
1 stop8h 50m
Southwest
Deal found 7/5![Southwest logo]()
$477
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/42:05 pm
ONT
- KOA
1 stop11h 05m
Alaska Airlines
Mon 8/109:19 pm
KOA
- ONT
1 stop10h 55m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$499
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 12/136:00 am
ONT
- KOA
1 stop11h 45m
Delta
Wed 12/2310:45 pm
KOA
- ONT
1 stop10h 31m
Delta
Deal found 7/6![Delta logo]()
$474
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 11/105:50 am
ONT
- OGG
2 stops10h 50m
Southwest
Wed 11/119:25 pm
OGG
- ONT
2 stops11h 15m
Southwest
Deal found 7/3![Southwest logo]()
$485
This Alaska Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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
- ITO
2 stops12h 55m
Multiple Airlines
Mon 8/314:44 pm
ITO
- ONT
2 stops15h 20m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/212:05 pm
ONT
- KOA
1 stop11h 05m
Alaska Airlines
Tue 8/188:03 am
KOA
- ONT
1 stop12h 08m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$506
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 10/116:00 am
ONT
- HNL
1 stop8h 45m
United Airlines
Thu 10/159:30 am
HNL
- ONT
1 stop10h 29m
United Airlines
Deal found 7/3![United Airlines logo]()
$616
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:20 am
ONT
- OGG
1 stop14h 32m
Delta
Fri 8/289:15 pm
OGG
- ONT
2 stops16h 09m
Delta
Deal found 7/6![Delta logo]()
$482
This Southwest deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Sat 9/55:40 am
ONT
- LIH
2 stops11h 30m
Southwest
Thu 9/108:20 am
LIH
- ONT
2 stops10h 50m
Southwest
Deal found 7/3![Southwest logo]()
$489
Last-minute flights from Ontario to HawaiiDiscover last-minute flight deals from Ontario to Hawaii. Data last updated July 7, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Hawaii. Data last updated July 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 7/2811:59 am
ONT
- LIH
1 stop9h 59m
Delta
Tue 8/49:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/7![Delta logo]()
$415
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/311:56 am
ONT
- LIH
1 stop10h 20m
Delta
Wed 8/129:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/7![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/411:56 am
ONT
- LIH
1 stop10h 20m
Delta
Thu 8/139:55 pm
LIH
- ONT
1 stop10h 21m
Delta
Deal found 7/7![Delta logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/179:11 am
ONT
- KOA
1 stop11h 01m
Multiple Airlines
Tue 8/259:48 am
KOA
- ONT
1 stop9h 22m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$419
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/179:11 am
ONT
- KOA
1 stop13h 20m
Multiple Airlines
Mon 8/247:15 pm
KOA
- ONT
1 stop23h 55m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$420
This Priceline deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/189:11 am
ONT
- LIH
1 stop10h 09m
Multiple Airlines
Tue 8/259:35 pm
LIH
- ONT
1 stop10h 29m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:11 am
ONT
- OGG
1 stop26h 29m
Multiple Airlines
Tue 8/259:52 pm
OGG
- ONT
1 stop8h 56m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$424
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/199:31 am
ONT
- LIH
1 stop9h 49m
Multiple Airlines
Tue 8/256:00 am
LIH
- ONT
1 stop13h 10m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$419
This Trip.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Thu 8/209:31 am
ONT
- LIH
1 stop9h 11m
Multiple Airlines
Wed 8/269:35 pm
LIH
- ONT
1 stop10h 29m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$413
This Trip.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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.
Thu 8/209:31 am
ONT
- OGG
1 stop7h 37m
Multiple Airlines
Wed 8/2612:01 pm
OGG
- ONT
1 stop7h 09m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$413
This Trip.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Thu 8/209:31 am
ONT
- KOA
1 stop7h 37m
Multiple Airlines
Wed 8/2610:25 pm
KOA
- ONT
1 stop9h 39m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$423
This Priceline deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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.
Sun 8/239:31 am
ONT
- OGG
1 stop9h 10m
Multiple Airlines
Fri 8/2810:05 am
OGG
- ONT
1 stop9h 05m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$419
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 7, 2026.
Search for one-way flight options from Ontario to Hawaii. Find affordable one-way fares based on user searches. Data last updated July 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:11 am
ONT
- HNL
Nonstop5h 58m
Alaska Airlines
Deal found 7/5![Alaska Airlines logo]()
$173
This Booking.com deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am
ONT
- HNL
Nonstop6h 02m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$179
This HOPEGOO deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure HOPEGOO is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/263:07 pm
ONT
- HNL
1 stop11h 52m
Multiple Airlines
Deal found 7/7![Multiple Airlines logo]()
$180
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 9/2911:54 am
ONT
- HNL
1 stop10h 34m
Delta
Deal found 7/6![Delta logo]()
$182
This Booking.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 02m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$183
This Booking.com deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 11/117:20 am
ONT
- HNL
Nonstop6h 10m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$186
This HOPEGOO deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure HOPEGOO is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:14 pm
ONT
- HNL
1 stop11h 45m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” 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 9/306:00 am
ONT
- HNL
2 stops13h 39m
Delta
Deal found 7/2![Delta logo]()
$188
This Booking.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/259:31 am
ONT
- HNL
Nonstop5h 59m
Alaska Airlines
Deal found 7/2![Alaska Airlines logo]()
$189
This Booking.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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
ONT
- HNL
Nonstop6h 02m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$191
This Booking.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 11/47:20 am
ONT
- HNL
Nonstop6h 10m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$192
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/316:00 am
ONT
- HNL
2 stops16h 11m
Delta
Deal found 7/3![Delta logo]()
$193
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 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $335 (Southwest) |
One-way from | $173 (Alaska Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $520 |
Good round-trip deal | $425 or less |
Good one-way deal | $258 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 7, 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 8/18
9:11 am-6:45 pm
1 stop12h 34m
Kona Intl
Tue 8/25
10:25 pm-11:04 am
1 stop9h 39m
$424
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Tue 8/18
11:56 am-7:16 pm
1 stop10h 20m
Lihue
Wed 8/26
9:55 pm-11:16 am
1 stop10h 21m
$428
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Wed 8/19
11:56 am-7:16 pm
1 stop10h 20m
Lihue
Wed 8/26
9:55 pm-11:16 am
1 stop10h 21m
$428
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Tue 8/18
6:02 am-1:19 pm
1 stop10h 17m
Kahului
Tue 8/25
9:18 pm-11:04 am
1 stop10h 46m
$428
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Mon 9/7
8:00 am-6:05 pm
1 stop13h 05m
Lihue
Thu 9/10
9:25 pm-11:25 am
2 stops11h 00m
$429
OntarioKailua-Kona
ONT - KOA
ONTKOA
Ontario
Tue 8/4
2:05 pm-10:10 pm
1 stop11h 05m
Kona Intl
Thu 8/6
9:19 pm-11:14 am
1 stop10h 55m
$434
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Tue 8/18
6:20 am-5:52 pm
1 stop14h 32m
Kahului
Fri 8/28
9:15 pm-4:24 pm
2 stops16h 09m
$434
OntarioKahului
ONT - OGG
ONTOGG
Ontario
Tue 8/11
6:20 am-5:52 pm
1 stop14h 32m
Kahului
Tue 8/18
9:15 pm-12:16 pm
2 stops12h 01m
$434
OntarioHilo
ONT - ITO
ONTITO
Ontario
Tue 11/10
7:15 am-5:27 pm
2 stops12h 12m
Hilo Intl
Wed 11/11
11:11 am-9:32 pm
1 stop8h 21m
$436
Quickest round-trip
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Sun 11/8
7:20 am-11:30 am
Nonstop6h 10m
Honolulu
Tue 11/17
1:50 pm-9:32 pm
Nonstop5h 42m
$437
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-HNL
ONT-OGG
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-HNL
ONT-OGG
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 7, 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 7, 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 52 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 7, 2026.
Read reviews from past customers who have flown Alaska Airlines,Southwest, andDelta from Ontario to Hawaii. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.0
Overall
7.9
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Entertainment
7.0
Overall
7.9
Food
7.0
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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 7, 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$520 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$183 | Average$455 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$198 | Average$470 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$331 | Average$455 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$342 | Average$534 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$347 | Average$514 | FlexibilityNo cancel fee | On-time85% |