$155+ Cheap flights from Honolulu to Ontario (HNL - ONT)
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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Sep 25 — Oct 21
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Honolulu to Ontario 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 Honolulu to Ontario are usually found in February or January, booked 21 days in advance, depart on a Saturday or Tuesday and return on a Tuesday
Cheap flight deals from Honolulu to Ontario
Cheapest
Best
Last-minute
One-way
Cheapest flights from Honolulu to OntarioExplore the most affordable flight options available from Honolulu to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
Explore the most affordable flight options available from Honolulu to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 26, 2026.
This lol.travel deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:33 pm -
Nonstop5h 37m
Wed 9/239:31 am -
Nonstop5h 59m
Deal found 8/26![Alaska Airlines logo]()
$313
This Booking.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:33 pm -
Nonstop5h 37m
Sun 9/209:31 am -
Nonstop5h 59m
Deal found 8/21![Alaska Airlines logo]()
$326
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:58 pm -
Nonstop5h 31m
Thu 10/297:00 am -
Nonstop6h 00m
Deal found 8/25![Alaska Airlines logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:33 pm -
Nonstop5h 37m
Tue 10/207:00 am -
Nonstop6h 00m
Deal found 8/24![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:39 pm -
1 stop9h 35m
Tue 10/2011:56 am -
1 stop10h 52m
Deal found 8/24![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:39 pm -
1 stop9h 35m
Tue 9/2211:54 am -
1 stop10h 34m
Deal found 8/25![Delta logo]()
$345
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:58 pm -
Nonstop5h 31m
Fri 10/307:00 am -
Nonstop6h 00m
Deal found 8/25![Alaska Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:49 pm -
1 stop10h 13m
Wed 9/306:00 am -
2 stops16h 28m
Deal found 8/23![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am -
2 stops12h 04m
Mon 9/146:00 am -
2 stops16h 28m
Deal found 8/21![Delta logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/31:55 pm -
Nonstop5h 33m
Thu 12/109:00 am -
Nonstop5h 57m
Deal found 8/21![Alaska Airlines logo]()
$357
Best flights from Honolulu to OntarioDiscover carefully curated flight deals from Honolulu to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
Discover carefully curated flight deals from Honolulu to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 26, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:58 pm -
Nonstop5h 31m
Sun 10/257:00 am -
Nonstop6h 00m
Deal found 8/25![Alaska Airlines logo]()
$325
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:39 pm -
1 stop9h 35m
Wed 10/2111:56 am -
1 stop10h 52m
Deal found 8/24![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:05 pm -
Nonstop5h 35m
Fri 10/168:00 am -
Nonstop5h 50m
Deal found 8/23![Southwest logo]()
$520
This United Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/228:00 am -
1 stop10h 15m
Wed 11/251:35 pm -
1 stop8h 55m
Deal found 8/21![United Airlines logo]()
$549
This Alaska Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:33 pm -
Nonstop5h 37m
Wed 9/239:31 am -
Nonstop5h 59m
Deal found 8/24![Alaska Airlines logo]()
$358
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:39 pm -
1 stop9h 35m
Thu 9/2411:54 am -
1 stop10h 34m
Deal found 8/23![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:49 pm -
1 stop10h 13m
Mon 10/56:00 pm -
1 stop20h 40m
Deal found 8/25![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:39 pm -
1 stop9h 35m
Tue 9/296:00 am -
2 stops16h 28m
Deal found 8/25![Delta logo]()
$410
This Alaska Airlines deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:33 pm -
Nonstop5h 37m
Sat 10/37:00 am -
Nonstop6h 00m
Deal found 8/21![Alaska Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1710:39 pm -
1 stop9h 35m
Wed 9/2311:54 am -
1 stop10h 34m
Deal found 8/26![Delta logo]()
$435
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/241:49 pm -
Nonstop5h 34m
Tue 12/19:00 am -
Nonstop5h 57m
Deal found 8/23![Alaska Airlines logo]()
$531
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:39 pm -
2 stops20h 25m
Sat 10/36:00 am -
2 stops16h 28m
Deal found 8/21![Delta logo]()
$445
Last-minute flights from Honolulu to OntarioDiscover last-minute flight deals from Honolulu to Ontario. Data last updated August 26, 2026 and is based on user searches.
Discover last-minute flight deals from Honolulu to Ontario. Data last updated August 26, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:33 pm -
Nonstop5h 37m
Sun 9/209:31 am -
Nonstop5h 59m
Deal found 8/21![Alaska Airlines logo]()
$326
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:00 am -
2 stops12h 04m
Mon 9/146:00 am -
2 stops16h 28m
Deal found 8/21![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1610:39 pm -
1 stop9h 35m
Tue 9/2211:54 am -
1 stop10h 34m
Deal found 8/25![Delta logo]()
$345
This Southwest deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/168:10 am -
2 stops9h 50m
Sun 9/208:00 am -
Nonstop5h 40m
Deal found 8/22![Southwest logo]()
$370
This lol.travel deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:33 pm -
Nonstop5h 37m
Wed 9/239:31 am -
Nonstop5h 59m
Deal found 8/26![Alaska Airlines logo]()
$313
This lol.travel deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:33 pm -
Nonstop5h 37m
Wed 9/233:14 pm -
1 stop11h 45m
Deal found 8/26![Multiple Airlines logo]()
$360
This Delta deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:39 pm -
1 stop9h 35m
Wed 10/2111:56 am -
1 stop10h 52m
Deal found 8/24![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/237:49 pm -
1 stop10h 13m
Wed 9/306:00 am -
2 stops16h 28m
Deal found 8/23![Delta logo]()
$350
This Alaska Airlines deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:33 pm -
Nonstop5h 37m
Tue 10/207:00 am -
Nonstop6h 00m
Deal found 8/24![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2510:39 pm -
2 stops14h 56m
Mon 9/289:52 am -
2 stops12h 36m
Deal found 8/26![Delta logo]()
$361
One-way flights from Honolulu to OntarioSearch for one-way flight options from Honolulu to Ontario. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
Search for one-way flight options from Honolulu to Ontario. Find affordable one-way fares based on user searches. Data last updated August 26, 2026.
This SmartFares deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/122:00 pm -
Nonstop5h 42m
Deal found 8/23![Alaska Airlines logo]()
$155
This Trip.com deal was found by Cheapflights users on 8/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:00 pm -
Nonstop5h 42m
Deal found 8/26![Alaska Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 8/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:39 pm -
1 stop9h 35m
Deal found 8/22![Delta logo]()
$162
This Alaska Airlines deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2212:58 pm -
Nonstop5h 31m
Deal found 8/25![Alaska Airlines logo]()
$163
This Booking.com deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2912:58 pm -
Nonstop5h 31m
Deal found 8/21![Alaska Airlines logo]()
$164
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:39 pm -
1 stop9h 35m
Deal found 8/25![Delta logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 8/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/22:00 pm -
Nonstop5h 42m
Deal found 8/23![Alaska Airlines logo]()
$174
This Booking.com deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:58 pm -
Nonstop5h 31m
Deal found 8/24![Alaska Airlines logo]()
$177
This Southwest deal was found by Cheapflights users on 8/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:40 pm -
Nonstop5h 30m
Deal found 8/24![Southwest logo]()
$179
This Delta deal was found by Cheapflights users on 8/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2610:40 pm -
1 stop9h 36m
Deal found 8/25![Delta logo]()
$188
Find flight deals from Honolulu to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Honolulu (HNL) to Ontario (ONT). 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 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $313 (lol.travel) |
One-way from | $155 (SmartFares) |
Popular in | July |
Cheapest in | February |
Average price | $604 |
Good round-trip deal | $442 or less |
Good one-way deal | $230 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Honolulu to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 26, 2026.
Use the filters below to find and compare flights from Honolulu to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Tue 10/20
12:58 pm-9:29 pm
Nonstop5h 31m
Ontario
Sun 10/25
7:00 am-10:00 am
Nonstop6h 00m
$325
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Tue 9/22
10:39 pm-11:14 am
1 stop9h 35m
Ontario
Wed 10/21
11:56 am-7:48 pm
1 stop10h 52m
$344
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Thu 9/17
1:33 pm-10:10 pm
Nonstop5h 37m
Ontario
Wed 9/23
9:31 am-12:30 pm
Nonstop5h 59m
$358
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Thu 9/17
10:39 pm-11:14 am
1 stop9h 35m
Ontario
Thu 9/24
11:54 am-7:28 pm
1 stop10h 34m
$390
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Wed 9/23
7:49 pm-9:02 am
1 stop10h 13m
Ontario
Mon 10/5
6:00 pm-11:40 am
1 stop20h 40m
$404
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Thu 9/17
10:39 pm-11:14 am
1 stop9h 35m
Ontario
Tue 9/29
6:00 am-7:28 pm
2 stops16h 28m
$410
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Thu 9/17
10:39 pm-11:14 am
1 stop9h 35m
Ontario
Wed 9/23
11:54 am-7:28 pm
1 stop10h 34m
$435
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Fri 9/18
10:39 pm-10:04 pm
2 stops20h 25m
Ontario
Sat 10/3
6:00 am-7:28 pm
2 stops16h 28m
$445
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Wed 9/16
1:33 pm-10:10 pm
Nonstop5h 37m
Ontario
Sat 10/3
7:00 am-10:00 am
Nonstop6h 00m
$466
Quickest round-trip
HonoluluOntario
HNL Honolulu - ONT Ontario
HNLONT
Honolulu
Fri 10/2
12:05 pm-8:40 pm
Nonstop5h 35m
Ontario
Fri 10/16
8:00 am-10:50 am
Nonstop5h 50m
$520
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Honolulu to Ontario
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 Honolulu to Ontario 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 |
- Most accurate provider: When it comes to deals on Honolulu-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Honolulu-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Honolulu-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Honolulu-Ontario 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 Honolulu-Ontario 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 Honolulu to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Honolulu with our price prediction graph.
HNL-ONT
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 Honolulu to Ontario
Prices
Airlines
How far ahead should I book a flight from Honolulu to Ontario?
To ensure you get the cheapest price possible for a flight from Honolulu to Ontario, you should look to book at least 20 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Honolulu to Ontario?
Currently, February is the cheapest month in which you can book a flight from Honolulu to Ontario (average of $379). Flying from Honolulu to Ontario in July is currently the most expensive (average of $725). 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 HNL to ONT?
Find hourly flight availability from Honolulu to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 26, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Honolulu to Ontario as you normally would.
The best insider tips for Honolulu to Ontario 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 Honolulu to Ontario trip
Our travel experts
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated August 26, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andHawaiian Airlines from Honolulu to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Comfort
8.0
Overall
8.0
Entertainment
7.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Honolulu to Ontario. 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
Ontario flight routes
Other flight options
Other flights from Honolulu
Popular flights
Alternative routes for Honolulu to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Honolulu to Ontario by cabin class
Find flights from Honolulu to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Honolulu and Ontario flights
Browse other Honolulu and Ontario flight options. Last updated on August 26, 2026.
Other flights from Honolulu
Browse through other flights departing from Honolulu. Flights are based on user searches made on Cheapflights and were last updated on August 26, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Honolulu to Ontario
Discover the top 3 airlines that operate flights from Honolulu to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated August 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$297 | Average$464 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$311 | Average$472 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$352 | Average$574 | FlexibilityNo cancel fee | On-time63% |