$139+ Cheap flights from Ontario (ONT) to O'ahu
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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Mar 6 — Mar 131
1 adult, Economy
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Find cheap flights from Ontario to O'ahu with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ontario to O'ahuExplore the most affordable flight options available from Ontario to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
Explore the most affordable flight options available from Ontario to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.
This Jetabroad deal was found by Cheapflights users on 2/3. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:45 am
ONT
- HNL
Nonstop6h 04m
Hawaiian Airlines
Tue 3/242:25 pm
HNL
- ONT
Nonstop5h 34m
Hawaiian Airlines
Deal found 2/3![Hawaiian Airlines logo]()
$305
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:30 am
ONT
- HNL
Nonstop6h 05m
Multiple Airlines
Tue 5/59:09 pm
HNL
- ONT
1 stop9h 36m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$306
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/48:41 am
ONT
- HNL
Nonstop6h 04m
Alaska Airlines
Tue 3/1012:20 pm
HNL
- ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Sun 3/88:45 am
ONT
- HNL
Nonstop6h 04m
Alaska Airlines
Wed 3/1112:20 pm
HNL
- ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$310
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/2512:02 pm
ONT
- HNL
1 stop12h 04m
Multiple Airlines
Mon 3/22:40 pm
HNL
- ONT
Nonstop5h 35m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$311
This Trip.com deal was found by Cheapflights users on 2/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:02 pm
ONT
- HNL
1 stop12h 04m
Hawaiian Airlines
Wed 3/1112:20 pm
HNL
- ONT
Nonstop5h 35m
Hawaiian Airlines
Deal found 2/2![Hawaiian Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:18 pm
ONT
- HNL
1 stop8h 57m
American Airlines
Mon 3/211:00 pm
HNL
- ONT
1 stop7h 48m
American Airlines
Deal found 2/2![American Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/266:20 am
ONT
- HNL
1 stop12h 05m
Southwest
Mon 3/98:15 am
HNL
- ONT
1 stop7h 00m
Southwest
Deal found 2/1![Southwest logo]()
$316
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 5/78:30 am
ONT
- HNL
Nonstop6h 05m
Alaska Airlines
Tue 5/1212:35 pm
HNL
- ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 4/286:00 am
ONT
- HNL
1 stop8h 48m
United Airlines
Tue 5/510:10 pm
HNL
- ONT
1 stop8h 31m
United Airlines
Deal found 2/3![United Airlines logo]()
$320
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 5/68:30 am
ONT
- HNL
Nonstop6h 05m
Multiple Airlines
Mon 5/1111:59 pm
HNL
- ONT
1 stop11h 33m
Multiple Airlines
Deal found 2/4![Multiple Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 2/2. 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.
Mon 4/136:00 am
ONT
- HNL
2 stops13h 36m
Delta
Mon 4/2010:45 pm
HNL
- ONT
1 stop11h 54m
Delta
Deal found 2/2![Delta logo]()
$322
Best flights from Ontario to O'ahuDiscover carefully curated flight deals from Ontario to O'ahu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
Discover carefully curated flight deals from Ontario to O'ahu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/178:45 am
ONT
- HNL
Nonstop6h 04m
Alaska Airlines
Tue 3/242:25 pm
HNL
- ONT
Nonstop5h 34m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 2/2. 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.
Mon 4/136:00 am
ONT
- HNL
2 stops13h 36m
Delta
Mon 4/2010:45 pm
HNL
- ONT
1 stop11h 54m
Delta
Deal found 2/2![Delta logo]()
$322
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Thu 2/2612:02 pm
ONT
- HNL
1 stop12h 04m
Multiple Airlines
Mon 3/22:40 pm
HNL
- ONT
Nonstop5h 35m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 3/21:50 pm
ONT
- HNL
1 stop9h 10m
United Airlines
Mon 3/97:00 am
HNL
- ONT
2 stops12h 57m
United Airlines
Deal found 2/2![United Airlines logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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 3/38:41 am
ONT
- HNL
Nonstop6h 04m
Alaska Airlines
Tue 3/1012:20 pm
HNL
- ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 2/3. 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.
Wed 2/256:00 am
ONT
- HNL
2 stops17h 54m
Delta
Wed 3/47:45 am
HNL
- ONT
2 stops14h 04m
Delta
Deal found 2/3![Delta logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 4/278:30 am
ONT
- HNL
Nonstop6h 05m
Multiple Airlines
Mon 5/49:09 pm
HNL
- ONT
1 stop9h 36m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$331
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 3/108:45 am
ONT
- HNL
Nonstop6h 04m
Alaska Airlines
Tue 3/1712:20 pm
HNL
- ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$336
This Delta deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” 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 2/246:00 am
ONT
- HNL
2 stops17h 28m
Delta
Fri 2/277:45 am
HNL
- ONT
2 stops14h 04m
Delta
Deal found 2/1![Delta logo]()
$365
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 4/188:32 am
ONT
- HNL
Nonstop6h 03m
Alaska Airlines
Thu 4/3012:35 pm
HNL
- ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/188:32 am
ONT
- HNL
Nonstop6h 03m
Alaska Airlines
Wed 3/182:25 pm
HNL
- ONT
Nonstop5h 34m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 4/158:32 am
ONT
- HNL
Nonstop6h 03m
Alaska Airlines
Wed 4/2212:35 pm
HNL
- ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$356
Last-minute flights from Ontario to O'ahuDiscover last-minute flight deals from Ontario to O'ahu. Data last updated February 4, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to O'ahu. Data last updated February 4, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 2/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/108:13 am
ONT
- HNL
Nonstop6h 16m
Hawaiian Airlines
Tue 3/32:40 pm
HNL
- ONT
Nonstop5h 35m
Hawaiian Airlines
Deal found 2/3![Hawaiian Airlines logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 2/108:13 am
ONT
- HNL
Nonstop6h 16m
Alaska Airlines
Tue 2/242:40 pm
HNL
- ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 2/101:53 pm
ONT
- HNL
1 stop9h 02m
United Airlines
Tue 2/178:00 am
HNL
- ONT
1 stop7h 41m
United Airlines
Deal found 2/3![United Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 2/3. 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.
Tue 2/106:00 am
ONT
- HNL
2 stops17h 28m
Delta
Tue 2/179:35 pm
HNL
- ONT
2 stops16h 27m
Delta
Deal found 2/3![Delta logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 2/108:13 am
ONT
- HNL
Nonstop6h 16m
Alaska Airlines
Thu 2/122:40 pm
HNL
- ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$397
This Delta deal was found by Cheapflights users on 2/3. 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.
Wed 2/116:00 am
ONT
- HNL
2 stops13h 58m
Delta
Mon 2/169:35 pm
HNL
- ONT
2 stops16h 27m
Delta
Deal found 2/3![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:00 am
ONT
- HNL
1 stop11h 30m
Southwest
Mon 2/169:00 pm
HNL
- ONT
1 stop10h 05m
Southwest
Deal found 2/2![Southwest logo]()
$411
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:00 am
ONT
- HNL
1 stop11h 30m
Southwest
Sun 2/158:05 am
HNL
- ONT
2 stops11h 15m
Southwest
Deal found 2/2![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 2/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:00 am
ONT
- HNL
1 stop11h 30m
Southwest
Sat 2/149:00 am
HNL
- ONT
1 stop9h 20m
Southwest
Deal found 2/2![Southwest logo]()
$421
This Delta deal was found by Cheapflights users on 2/3. 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.
Fri 2/136:00 am
ONT
- HNL
2 stops17h 54m
Delta
Mon 2/169:35 pm
HNL
- ONT
2 stops16h 27m
Delta
Deal found 2/3![Delta logo]()
$417
One-way flights from Ontario to O'ahuSearch for one-way flight options from Ontario to O'ahu. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
Search for one-way flight options from Ontario to O'ahu. Find affordable one-way fares based on user searches. Data last updated February 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 2/248:41 am
ONT
- HNL
Nonstop6h 04m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$139
This Jetabroad deal was found by Cheapflights users on 2/3. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:41 am
ONT
- HNL
Nonstop6h 04m
Hawaiian Airlines
Deal found 2/3![Hawaiian Airlines logo]()
$141
This Trip.com deal was found by Cheapflights users on 2/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:45 am
ONT
- HNL
Nonstop6h 04m
Hawaiian Airlines
Deal found 2/2![Hawaiian Airlines logo]()
$144
This SmartFares deal was found by Cheapflights users on 2/3. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:45 am
ONT
- HNL
Nonstop6h 04m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$145
This Jetabroad deal was found by Cheapflights users on 2/3. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:41 am
ONT
- HNL
Nonstop6h 04m
Hawaiian Airlines
Deal found 2/3![Hawaiian Airlines logo]()
$146
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 2/241:50 pm
ONT
- HNL
1 stop9h 10m
United Airlines
Deal found 2/3![United Airlines logo]()
$148
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 5/58:30 am
ONT
- HNL
Nonstop6h 05m
Alaska Airlines
Deal found 2/2![Alaska Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:18 pm
ONT
- HNL
1 stop8h 57m
American Airlines
Deal found 2/2![American Airlines logo]()
$158
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 3/178:45 am
ONT
- HNL
Nonstop6h 04m
Alaska Airlines
Deal found 2/3![Alaska Airlines logo]()
$159
This Jetabroad deal was found by Cheapflights users on 2/3. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:41 am
ONT
- HNL
Nonstop6h 04m
Hawaiian Airlines
Deal found 2/3![Hawaiian Airlines logo]()
$162
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:02 pm
ONT
- HNL
1 stop12h 04m
Multiple Airlines
Deal found 2/3![Multiple Airlines logo]()
$163
Find flight deals from Ontario to O'ahu
Keep the following information in mind while searching for Ontario to O'ahu flight deals. Data was last updated February 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $305 (Jetabroad) |
One-way from | $139 (Alaska Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $317 |
Good round-trip deal | $390 or less |
Good one-way deal | $201 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to O'ahu 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 February 4, 2026.
Use the filters below to find and compare flights from Ontario to O'ahu that are best for you.
Fly from
Ontario
Fly to
O'ahu
Route
Depart
Return
Price
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Tue 3/17
8:45 am-11:49 am
Nonstop6h 04m
Honolulu
Tue 3/24
2:25 pm-10:59 pm
Nonstop5h 34m
$317
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Tue 3/3
8:41 am-12:45 pm
Nonstop6h 04m
Honolulu
Tue 3/10
12:20 pm-8:55 pm
Nonstop5h 35m
$317
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Mon 4/13
6:00 am-4:36 pm
2 stops13h 36m
Honolulu
Mon 4/20
10:45 pm-1:39 pm
1 stop11h 54m
$322
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Wed 2/25
6:00 am-9:54 pm
2 stops17h 54m
Honolulu
Wed 3/4
7:45 am-11:49 pm
2 stops14h 04m
$327
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Thu 2/26
12:02 pm-10:06 pm
1 stop12h 04m
Honolulu
Mon 3/2
2:40 pm-10:15 pm
Nonstop5h 35m
$329
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Mon 4/27
8:30 am-11:35 am
Nonstop6h 05m
Honolulu
Mon 5/4
9:09 pm-9:45 am
1 stop9h 36m
$331
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Tue 3/10
8:45 am-11:49 am
Nonstop6h 04m
Honolulu
Tue 3/17
12:20 pm-8:55 pm
Nonstop5h 35m
$336
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Mon 3/2
1:50 pm-9:00 pm
1 stop9h 10m
Honolulu
Mon 3/9
7:00 am-10:57 pm
2 stops12h 57m
$340
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Sat 4/18
8:32 am-11:35 am
Nonstop6h 03m
Honolulu
Thu 4/30
12:35 pm-9:10 pm
Nonstop5h 35m
$347
OntarioHonolulu
ONT - HNL
ONTHNL
Ontario
Wed 3/18
8:32 am-11:35 am
Nonstop6h 03m
Honolulu
Wed 3/18
2:25 pm-10:59 pm
Nonstop5h 34m
$350
Showing 1-10 of 22 results
Best time to book a flight from Ontario to O'ahu
Have a flexible travel schedule? Discover the best time to fly to O'ahu from Ontario with our price prediction graph.
ONT-HNL
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 O'ahu
ONT-zzFUW
ONT-HNL
What is the cheapest month to book a flight from Ontario to O'ahu?
Currently, February is the cheapest month in which you can book a flight from Ontario to O'ahu (average of $159). Flying from Ontario to O'ahu in July is currently the most expensive (average of $268). 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 FUW?
Find hourly flight availability from Ontario to O'ahu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 4, 2026.
When flying from Ontario to O'ahu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Ontario to O'ahu
Explore weekly flight availability from Ontario to O'ahu. 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 February 4, 2026.
The most flights from ONT to zzFUW 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).
Reviews of airlines servicing O'ahu
Get insights into the airlines that provide service to O'ahu. 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 O'ahu. Reviews last updated February 4, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Hawaiian Airlines from Ontario to O'ahu have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Food
7.1
Overall
8.0
Crew
8.5
Entertainment
7.0
Comfort
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
Find useful and relevant information for your journey from Ontario to O'ahu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to O'ahu
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to O'ahu by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to O'ahu by cabin class
Find flights from Ontario to O'ahu, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and O'ahu flights
Browse other Ontario and O'ahu flight options. Last updated on February 4, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 6 airlines flying from Ontario to O'ahu
Discover the top 6 airlines that operate flights from Ontario to O'ahu. 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 February 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$291 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$198 | Average$493 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$317 | Average$515 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$317 | Average$503 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$331 | Average$573 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$376 | Average$582 | FlexibilityNo cancel fee | On-time63% |