$127+ Cheap flights from Ontario to Honolulu (ONT - HNL)
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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Sep 13 — Sep 201
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Honolulu 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.Cheapflights Tip: The best prices from Ontario to Honolulu are usually found in January or February, booked 35 days in advance, depart on a Tuesday or Monday and return on a Saturday
Cheap flight deals from Ontario to Honolulu
Cheapest
Best
Last-minute
One-way
Cheapest flights from Ontario to HonoluluExplore the most affordable flight options available from Ontario to Honolulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
Explore the most affordable flight options available from Ontario to Honolulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2026.
This Southwest deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2711:25 am -
1 stop8h 00m
Tue 11/311:15 pm -
2 stops10h 55m
Deal found 8/9![Southwest logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:31 am -
Nonstop5h 59m
Tue 10/1312:58 pm -
Nonstop5h 31m
Deal found 8/9![Alaska Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 10/166:00 am -
2 stops16h 48m
Mon 10/2610:40 pm -
1 stop9h 36m
Deal found 8/13![Delta logo]()
$352
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:15 am -
1 stop9h 12m
Thu 9/310:30 pm -
1 stop10h 33m
Deal found 8/10![American Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:54 am -
1 stop10h 34m
Sun 9/2010:39 pm -
1 stop9h 35m
Deal found 8/11![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:54 am -
1 stop10h 34m
Mon 9/2110:39 pm -
1 stop9h 35m
Deal found 8/11![Delta logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/217:00 am -
Nonstop6h 00m
Mon 10/2612:58 pm -
Nonstop5h 31m
Deal found 8/9![Alaska Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am -
2 stops16h 11m
Tue 9/810:39 pm -
1 stop9h 35m
Deal found 8/12![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1511:56 am -
1 stop10h 52m
Tue 10/2710:40 pm -
1 stop9h 36m
Deal found 8/12![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
2 stops16h 28m
Thu 9/177:49 pm -
1 stop10h 13m
Deal found 8/11![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
2 stops16h 55m
Mon 12/711:34 pm -
1 stop9h 43m
Deal found 8/12![Delta logo]()
$362
Best flights from Ontario to HonoluluDiscover carefully curated flight deals from Ontario to Honolulu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
Discover carefully curated flight deals from Ontario to Honolulu that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2026.
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/196:00 am -
1 stop9h 20m
Sat 1/2310:50 pm -
2 stops11h 30m
Deal found 8/11![United Airlines logo]()
$415
This Southwest deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/313:40 pm -
1 stop8h 30m
Sun 9/68:15 am -
2 stops10h 00m
Deal found 8/12![Southwest logo]()
$488
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 12/285:50 pm -
1 stop21h 06m
Fri 1/81:30 pm -
1 stop31h 13m
Deal found 8/13![Delta logo]()
$513
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 1/27:20 am -
Nonstop6h 19m
Wed 1/610:25 pm -
1 stop9h 00m
Deal found 8/13![Multiple Airlines logo]()
$661
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/301:52 pm -
1 stop8h 37m
Sun 10/410:05 pm -
1 stop9h 18m
Deal found 8/13![United Airlines logo]()
$500
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/156:00 am -
2 stops16h 55m
Mon 12/218:10 am -
1 stop12h 33m
Deal found 8/9![Delta logo]()
$530
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/231:56 pm -
1 stop7h 34m
Sun 9/2710:05 pm -
1 stop9h 18m
Deal found 8/11![United Airlines logo]()
$550
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:00 am -
2 stops13h 43m
Fri 8/287:00 am -
2 stops13h 34m
Deal found 8/12![Delta logo]()
$596
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 1/146:00 am -
1 stop9h 20m
Thu 1/218:00 am -
1 stop7h 47m
Deal found 8/13![United Airlines logo]()
$594
This Delta deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/176:00 am -
2 stops16h 55m
Thu 12/248:10 am -
1 stop12h 33m
Deal found 8/9![Delta logo]()
$695
This United Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/41:18 pm -
1 stop9h 34m
Sun 1/1011:30 pm -
1 stop8h 27m
Deal found 8/10![United Airlines logo]()
$744
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/186:00 am -
2 stops16h 55m
Tue 12/2211:25 pm -
1 stop15h 31m
Deal found 8/11![Delta logo]()
$780
Last-minute flights from Ontario to HonoluluDiscover last-minute flight deals from Ontario to Honolulu. Data last updated August 14, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Honolulu. Data last updated August 14, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:15 am -
1 stop9h 12m
Thu 9/310:30 pm -
1 stop10h 33m
Deal found 8/10![American Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am -
2 stops16h 11m
Tue 9/810:39 pm -
1 stop9h 35m
Deal found 8/12![Delta logo]()
$358
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am -
2 stops16h 28m
Thu 9/177:49 pm -
1 stop10h 13m
Deal found 8/11![Delta logo]()
$361
This Delta deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” 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 9/1311:54 am -
1 stop10h 34m
Tue 9/227:49 pm -
1 stop10h 13m
Deal found 8/14![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:54 am -
1 stop10h 34m
Sun 9/2010:39 pm -
1 stop9h 35m
Deal found 8/11![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 34m
Thu 9/2410:39 pm -
1 stop9h 35m
Deal found 8/13![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:54 am -
1 stop10h 34m
Mon 9/2110:39 pm -
1 stop9h 35m
Deal found 8/11![Delta logo]()
$356
This Alaska Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:31 am -
Nonstop5h 59m
Thu 10/1512:58 pm -
Nonstop5h 31m
Deal found 8/9![Alaska Airlines logo]()
$351
This Alaska Airlines deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:31 am -
Nonstop5h 59m
Mon 10/512:58 pm -
Nonstop5h 31m
Deal found 8/10![Alaska Airlines logo]()
$357
One-way flights from Ontario to HonoluluSearch for one-way flight options from Ontario to Honolulu. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
Search for one-way flight options from Ontario to Honolulu. Find affordable one-way fares based on user searches. Data last updated August 14, 2026.
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/1511:54 am -
1 stop10h 34m
Deal found 8/13![Delta logo]()
$127
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/77:00 am -
1 stop15h 24m
Deal found 8/12![Delta logo]()
$137
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:00 am -
2 stops16h 55m
Deal found 8/13![Delta logo]()
$138
This Delta deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:54 am -
1 stop10h 34m
Deal found 8/12![Delta logo]()
$147
This iWofly deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:31 am -
Nonstop5h 59m
Deal found 8/12![Alaska Airlines logo]()
$150
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:57 am -
1 stop10h 58m
Deal found 8/11![Delta logo]()
$157
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 9/111:56 am -
1 stop10h 15m
Deal found 8/13![Delta logo]()
$160
This Trip.com deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” 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 11/117:30 am -
Nonstop6h 06m
Deal found 8/13![Alaska Airlines logo]()
$162
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/119:00 am -
Nonstop5h 57m
Deal found 8/12![Alaska Airlines logo]()
$163
Find flight deals from Ontario to Honolulu
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Honolulu (HNL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $350 (Southwest) |
One-way from | $127 (Delta) |
Popular in | July |
Cheapest in | January |
Average price | $465 |
Good round-trip deal | $406 or less |
Good one-way deal | $222 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Honolulu 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 August 14, 2026.
Use the filters below to find and compare flights from Ontario to Honolulu that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Tue 1/19
6:00 am-1:20 pm
1 stop9h 20m
Honolulu
Sat 1/23
10:50 pm-12:20 pm
2 stops11h 30m
$415
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Mon 8/31
3:40 pm-9:10 pm
1 stop8h 30m
Honolulu
Sun 9/6
8:15 am-9:15 pm
2 stops10h 00m
$488
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Wed 9/30
1:52 pm-7:29 pm
1 stop8h 37m
Honolulu
Sun 10/4
10:05 pm-10:23 am
1 stop9h 18m
$500
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Mon 12/28
5:50 pm-12:56 pm
1 stop21h 06m
Honolulu
Fri 1/8
1:30 pm-10:43 pm
1 stop31h 13m
$513
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Tue 12/15
6:00 am-8:55 pm
2 stops16h 55m
Honolulu
Mon 12/21
8:10 am-10:43 pm
1 stop12h 33m
$530
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Wed 9/23
1:56 pm-6:30 pm
1 stop7h 34m
Honolulu
Sun 9/27
10:05 pm-10:23 am
1 stop9h 18m
$550
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Thu 1/14
6:00 am-1:20 pm
1 stop9h 20m
Honolulu
Thu 1/21
8:00 am-5:47 pm
1 stop7h 47m
$594
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Tue 8/25
6:00 am-4:43 pm
2 stops13h 43m
Honolulu
Fri 8/28
7:00 am-11:34 pm
2 stops13h 34m
$596
Quickest round-trip
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Sat 1/2
7:20 am-11:39 am
Nonstop6h 19m
Honolulu
Wed 1/6
10:25 pm-9:25 am
1 stop9h 00m
$661
OntarioHonolulu
ONT Ontario - HNL Honolulu
ONTHNL
Ontario
Thu 12/17
6:00 am-8:55 pm
2 stops16h 55m
Honolulu
Thu 12/24
8:10 am-10:43 pm
1 stop12h 33m
$695
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Ontario to Honolulu
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Honolulu in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Honolulu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Honolulu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Honolulu flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Honolulu flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Honolulu flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Honolulu
Have a flexible travel schedule? Discover the best time to fly to Honolulu 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 Honolulu
Prices
Airlines
How far ahead should I book a flight from Ontario to Honolulu?
The price you pay for your flight from Ontario to Honolulu may vary depending on when you book. For the best chance of a lower fare, look to book 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Ontario to Honolulu?
Currently, January is the cheapest month in which you can book a flight from Ontario to Honolulu (average of $395). Flying from Ontario to Honolulu in July is currently the most expensive (average of $635). 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 HNL?
Find hourly flight availability from Ontario to Honolulu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2026.
When flying from Ontario to Honolulu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The best insider tips for Ontario to Honolulu flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Ontario to Honolulu trip
Our travel experts
Reviews of airlines servicing Honolulu
Get insights into the airlines that provide service to Honolulu. 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 Honolulu. Reviews last updated August 14, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andHawaiian Airlines from Ontario to Honolulu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Entertainment
7.5
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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Top 6 airlines flying from Ontario to Honolulu
Discover the top 6 airlines that operate flights from Ontario to Honolulu. 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 August 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$183 | Average$452 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$218 | Average$436 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$315 | Average$504 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$331 | Average$440 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$339 | Average$522 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$379 | Average$512 | FlexibilityNo cancel fee | On-time85% |