$222+ Cheap flights from Hilo to Ontario (ITO - ONT)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
ITO — ONT
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Hilo 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.Cheap flight deals from Hilo to Ontario
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Cheapest flights from Hilo to OntarioExplore the most affordable flight options available from Hilo to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
Explore the most affordable flight options available from Hilo to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/22. 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.
Fri 11/68:00 am -
1 stop12h 10m
Mon 11/99:00 am -
1 stop7h 30m
Deal found 10/22![Southwest logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/129:26 am -
1 stop11h 17m
Wed 11/189:55 am -
1 stop12h 17m
Deal found 10/21![Multiple Airlines logo]()
$541
This Priceline deal was found by Cheapflights users on 10/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:38 pm -
1 stop8h 05m
Mon 11/169:55 am -
1 stop8h 32m
Deal found 10/21![Multiple Airlines logo]()
$559
This Southwest deal was found by Cheapflights users on 10/24. 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.
Tue 12/88:00 am -
1 stop12h 10m
Tue 12/155:45 am -
2 stops14h 25m
Deal found 10/24![Southwest logo]()
$561
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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.
Sat 11/1412:38 pm -
1 stop8h 05m
Mon 11/169:55 am -
1 stop8h 32m
Deal found 10/23![Multiple Airlines logo]()
$583
This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/67:30 pm -
2 stops11h 15m
Tue 12/159:35 am -
2 stops14h 21m
Deal found 10/21![American Airlines logo]()
$584
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:53 pm -
1 stop26h 32m
Tue 12/158:03 am -
1 stop8h 16m
Deal found 10/22![Multiple Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:38 pm -
1 stop8h 05m
Tue 11/109:55 am -
1 stop8h 32m
Deal found 10/22![Multiple Airlines logo]()
$615
This Gotogate deal was found by Cheapflights users on 10/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:00 am -
1 stop9h 43m
Mon 11/99:55 am -
2 stops10h 24m
Deal found 10/23![Multiple Airlines logo]()
$620
Best flights from Hilo to OntarioDiscover carefully curated flight deals from Hilo to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Hilo to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/22. 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.
Fri 11/68:00 am -
1 stop12h 10m
Mon 11/99:00 am -
1 stop7h 30m
Deal found 10/22![Southwest logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/64:53 pm -
1 stop26h 32m
Tue 12/158:03 am -
1 stop8h 16m
Deal found 10/22![Multiple Airlines logo]()
$607
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:38 pm -
1 stop8h 05m
Tue 11/109:55 am -
1 stop8h 32m
Deal found 10/22![Multiple Airlines logo]()
$615
This Alaska Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/87:39 am -
1 stop11h 46m
Tue 12/158:03 am -
1 stop15h 53m
Deal found 10/24![Multiple Airlines logo]()
$656
This Booking.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:37 am -
1 stop13h 06m
Thu 11/196:00 am -
2 stops14h 19m
Deal found 10/25![Multiple Airlines logo]()
$665
This Booking.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:54 pm -
1 stop28h 49m
Thu 11/196:00 am -
2 stops14h 19m
Deal found 10/25![Multiple Airlines logo]()
$667
Last-minute flights from Hilo to OntarioDiscover last-minute flight deals from Hilo to Ontario. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Hilo to Ontario. Data last updated October 25, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/22. 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.
Fri 11/68:00 am -
1 stop12h 10m
Mon 11/99:00 am -
1 stop7h 30m
Deal found 10/22![Southwest logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:38 pm -
1 stop8h 05m
Tue 11/109:55 am -
1 stop8h 32m
Deal found 10/22![Multiple Airlines logo]()
$615
This Gotogate deal was found by Cheapflights users on 10/23. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:00 am -
1 stop9h 43m
Mon 11/99:55 am -
2 stops10h 24m
Deal found 10/23![Multiple Airlines logo]()
$620
This Booking.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:51 pm -
1 stop25h 52m
Thu 11/196:00 am -
2 stops14h 19m
Deal found 10/25![Multiple Airlines logo]()
$667
This Booking.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/117:37 am -
1 stop13h 06m
Thu 11/196:00 am -
2 stops14h 19m
Deal found 10/25![Multiple Airlines logo]()
$665
This Alaska Airlines deal was found by Cheapflights users on 10/21. 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 11/129:26 am -
1 stop11h 17m
Wed 11/189:55 am -
1 stop12h 17m
Deal found 10/21![Multiple Airlines logo]()
$541
This Priceline deal was found by Cheapflights users on 10/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1312:38 pm -
1 stop8h 05m
Mon 11/169:55 am -
1 stop8h 32m
Deal found 10/21![Multiple Airlines logo]()
$559
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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.
Sat 11/1412:38 pm -
1 stop8h 05m
Mon 11/169:55 am -
1 stop8h 32m
Deal found 10/23![Multiple Airlines logo]()
$583
This Booking.com deal was found by Cheapflights users on 10/24. 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.
Thu 11/197:37 am -
1 stop13h 06m
Fri 11/2011:55 am -
2 stops21h 09m
Deal found 10/24![Multiple Airlines logo]()
$670
One-way flights from Hilo to OntarioSearch for one-way flight options from Hilo to Ontario. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Hilo to Ontario. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Trip.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:19 pm -
1 stop25h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Multiple Airlines logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:00 am -
1 stop13h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$275
This Alaska Airlines deal was found by Cheapflights users on 10/23. 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.
Thu 1/218:29 am -
2 stops10h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$285
This Booking.com deal was found by Cheapflights users on 10/24. 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.
Mon 12/78:45 pm -
1 stop22h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$288
This Booking.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/62:52 pm -
1 stop28h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Multiple Airlines logo]()
$295
This American Airlines deal was found by Cheapflights users on 10/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/248:45 pm -
2 stops9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![American Airlines logo]()
$311
This Booking.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:26 am -
1 stop11h 17m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/146:00 am -
2 stops9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![United Airlines logo]()
$518
Find flight deals from Hilo to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Hilo (ITO) 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 October 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $489 (Southwest) |
One-way from | $222 (Trip.com) |
Popular in | June |
Cheapest in | August |
Average price | $515 |
Cheapflights Fare Finder
Customize your flight search to find flights from Hilo 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 October 25, 2026.
Use the filters below to find and compare flights from Hilo to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HiloOntario
ITO Hilo Intl - ONT Ontario
ITOONT
Hilo Intl
Tue 11/24
6:19 pm-9:23 pm
1 stop25h 04m
Ontario
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$222
HiloOntario
ITO Hilo Intl - ONT Ontario
ITOONT
Hilo Intl
Thu 1/21
8:29 am-9:18 pm
2 stops10h 49m
Ontario
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$285
HiloOntario
ITO Hilo Intl - ONT Ontario
ITOONT
Hilo Intl
Mon 12/7
8:45 pm-9:25 pm
1 stop22h 40m
Ontario
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$288
HiloOntario
ITO Hilo Intl - ONT Ontario
ITOONT
Hilo Intl
Sun 12/6
2:52 pm-9:25 pm
1 stop28h 33m
Ontario
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$295
Quickest round-trip
HiloOntario
ITO Hilo Intl - ONT Ontario
ITOONT
Hilo Intl
Tue 11/24
8:45 pm-8:35 am
2 stops9h 50m
Ontario
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$311
HiloOntario
ITO Hilo Intl - ONT Ontario
ITOONT
Hilo Intl
Tue 11/3
9:26 am-10:43 pm
1 stop11h 17m
Ontario
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$363
HiloOntario
ITO Hilo Intl - ONT Ontario
ITOONT
Hilo Intl
Fri 11/6
8:00 am-10:10 pm
1 stop12h 10m
Ontario
Mon 11/9
9:00 am-2:30 pm
1 stop7h 30m
$489
HiloOntario
ITO Hilo Intl - ONT Ontario
ITOONT
Hilo Intl
Sun 12/6
4:53 pm-9:25 pm
1 stop26h 32m
Ontario
Tue 12/15
8:03 am-2:19 pm
1 stop8h 16m
$607
HiloOntario
ITO Hilo Intl - ONT Ontario
ITOONT
Hilo Intl
Fri 11/6
12:38 pm-10:43 pm
1 stop8h 05m
Ontario
Tue 11/10
9:55 am-4:27 pm
1 stop8h 32m
$615
HiloOntario
ITO Hilo Intl - ONT Ontario
ITOONT
Hilo Intl
Tue 12/8
7:39 am-9:25 pm
1 stop11h 46m
Ontario
Tue 12/15
8:03 am-9:56 pm
1 stop15h 53m
$656
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from Hilo 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 Hilo to Ontario in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Hilo-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Hilo-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Hilo-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Hilo-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 Hilo-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 Hilo to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from Hilo with our price prediction graph.
ITO-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.
Related info for your journey
Find useful and relevant information for your journey from Hilo to Ontario. 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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