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Hilo

$183+ Cheap flights from Ontario to Hilo (ONT - ITO)

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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ITO
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Ontario to Hilo

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Hilo (ITO). 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 September 17, 2025.

Round-trip from

$375
(flugladen.de)

One-way from

$183
(Alaska Airlines)

Popular in

June

Cheapest in

September

Average price

$488
From Ontario to Hilo Intl
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One-way flight from Ontario to Hilo Intl
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Highest demand for flights based on searches. 11% potential increase in price ($80 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Hilo

Cheapest flights from Ontario to Hilo
Explore the most affordable flight options available from Ontario to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This flugladen.de deal was found by Cheapflights users on 9/15. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/279:45 amONT - ITO
1 stop10h 11mHawaiian Airlines
Wed 11/56:00 amITO - ONT
1 stop9h 14mHawaiian Airlines
Deal found 9/15$375
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/211:39 amONT - ITO
2 stops13h 38mAlaska Airlines
Tue 10/76:55 pmITO - ONT
2 stops14h 42mAlaska Airlines
Deal found 9/16$480
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:45 amONT - ITO
1 stop9h 46mHawaiian Airlines
Mon 11/177:45 amITO - ONT
1 stop7h 29mHawaiian Airlines
Deal found 9/15$482
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 10/110:09 amONT - ITO
1 stop9h 47mAlaska Airlines
Tue 10/79:00 pmITO - ONT
2 stops12h 37mAlaska Airlines
Deal found 9/16$487
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 11/59:45 amONT - ITO
1 stop9h 46mAlaska Airlines
Thu 11/137:45 amITO - ONT
1 stop7h 29mAlaska Airlines
Deal found 9/16$494
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/1611:07 amONT - ITO
1 stop8h 09mAlaska Airlines
Fri 10/316:00 amITO - ONT
1 stop8h 14mAlaska Airlines
Deal found 9/15$496
This Hawaiian Airlines deal was found by Cheapflights users on 9/16. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:09 amONT - ITO
1 stop8h 50mHawaiian Airlines
Tue 10/77:45 amITO - ONT
1 stop9h 52mHawaiian Airlines
Deal found 9/16$543
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2511:07 amONT - ITO
1 stop9h 37mAlaska Airlines
Sun 11/25:00 amITO - ONT
2 stops12h 53mAlaska Airlines
Deal found 9/14$564

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Hilo 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 September 17, 2025.
Use the filters below to find and compare flights from Ontario to Hilo that are best for you.

Fly from

Ontario

Fly to

Hilo

Route

Depart

Return

Price

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 1/6

6:00 am-5:51 pm

2 stops13h 51m

Hilo Intl

Tue 1/13

10:53 am-9:55 pm

1 stop9h 02m

$440

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 10/2

11:39 am-10:17 pm

2 stops13h 38m

Hilo Intl

Tue 10/7

6:55 pm-12:37 pm

2 stops14h 42m

$480

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 10/1

10:09 am-4:56 pm

1 stop9h 47m

Hilo Intl

Tue 10/7

9:00 pm-12:37 pm

2 stops12h 37m

$487

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 11/5

9:45 am-5:31 pm

1 stop9h 46m

Hilo Intl

Thu 11/13

7:45 am-5:14 pm

1 stop7h 29m

$494

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 10/16

11:07 am-4:16 pm

1 stop8h 09m

Hilo Intl

Fri 10/31

6:00 am-5:14 pm

1 stop8h 14m

$496

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 10/29

9:45 am-4:56 pm

1 stop10h 11m

$183

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 9/24

10:09 am-4:56 pm

1 stop9h 47m

$294

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 11/17

9:45 am-2:29 pm

1 stop30h 44m

$328

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 11/17

6:00 am-7:01 pm

2 stops15h 01m

$347

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sat 11/15

6:00 am-8:30 pm

2 stops16h 30m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 14 results
1
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Best time to book a flight from Ontario to Hilo

Have a flexible travel schedule? Discover the best time to fly to Hilo from Ontario with our price prediction graph.
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 Hilo

What is the cheapest month to book a flight from Ontario to Hilo?

Currently, March is the cheapest month in which you can book a flight from Ontario to Hilo (average of $330). Flying from Ontario to Hilo in December is currently the most expensive (average of $726). 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.

Reviews of airlines servicing Hilo

Get insights into the airlines that provide service to Hilo. 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 Hilo. Reviews last updated September 17, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Hawaiian Airlines from Ontario to Hilo. 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Southwest
8.0
Very good
4,242 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.
Hawaiian Airlines
7.8
Good
2,729 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
6.0
Good

Hannah,Aug 2025

SFO - SAN

Ticket said TSA pre check, but then the TSA agent said that Alaska Airlines has not actually entered the pre check information for the ticket, so I had to use regular security. During boarding, I have a disability and need to board early. The Alaska Airlines employee announced disability boarding, but then immediately announced 2 other groups to board, so I still had to fight the crowds. On the plane, the stewardess was brusk and rude. Seats were very uncomfortable, especially on lower back.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Hilo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Hilo?

    A quick flight from Ontario to Hilo can take about 13h 51m. Alaska Airlines provides one of the quickest options available for as low as $440. Ontario and Hilo are separated by a distance of 2491 mi.

  • What are the cheapest airlines flying from Ontario to Hilo round-trip?

    Hawaiian Airlines, at $374, was found to be the cheapest airline from Ontario to Hilo.Alternate airlines to your destination round-trip include Alaska Airlines and Southwest. Hawaiian Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Ontario to Hilo that include hotel bookings?

    Yes. In addition to deals on Ontario to Hilo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Hilo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Hilo.

  • Can I find deals for business class flights from Ontario to Hilo?

    Yes. Cheapflights offers flight deals from Ontario to Hilo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Hilo?

    Currently, March is the cheapest month in which you can book a flight from Ontario to Hilo (average of $330). Flying from Ontario to Hilo in December is currently the most expensive (average of $726). 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.

See more FAQs

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Ontario to Hilo

Discover the top 3 airlines that operate flights from Ontario to Hilo. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$374Average$582FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$392Average$658FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$501Average$626FlexibilityNo cancel feeOn-time63%

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