HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hilo

$234+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — ITO
Jan 22 — Jan 291
Wed 1/22
Wed 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Hilo 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 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 January 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$474
(Alaska Airlines)

One-way from

$234
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$561
Provider with most accurate pricing for Ontario-Hilo Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Hilo Intl flights.
Search Deals
From Ontario to Hilo Intl
Search Deals
One-way flight from Ontario to Hilo Intl
Search Deals
High demand for flights, 9% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

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 January 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 1/16. 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 1/239:35 amONT - ITO
1 stop8h 33mAlaska Airlines
Wed 1/2911:29 amITO - ONT
1 stop8h 11mAlaska Airlines
Deal found 1/16$474
This Hawaiian Airlines deal was found by Cheapflights users on 1/15. 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.
Sun 2/239:45 amONT - ITO
1 stop10h 28mHawaiian Airlines
Mon 3/39:46 amITO - ONT
1 stop10h 04mHawaiian Airlines
Deal found 1/15$524
This Southwest deal was found by Cheapflights users on 1/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/1611:10 amONT - ITO
2 stops11h 20mSouthwest
Wed 1/296:00 amITO - ONT
2 stops12h 20mSouthwest
Deal found 1/15$574
This Trip.com deal was found by Cheapflights users on 1/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/38:50 amONT - ITO
1 stop9h 55mMultiple Airlines
Sun 4/67:55 pmITO - ONT
1 stop22h 55mMultiple Airlines
Deal found 1/16$579
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/36:15 amONT - ITO
2 stops13h 58mUnited Airlines
Wed 2/58:35 amITO - ONT
2 stops23h 16mUnited Airlines
Deal found 1/16$583

Find flights from Ontario to Hilo within your budget

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 January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 1/23

9:35 am-4:08 pm

1 stop8h 33m

Hilo Intl

Tue 2/4

11:29 am-9:50 pm

1 stop8h 21m

$474

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 3/6

9:45 am-4:08 pm

1 stop8h 23m

Hilo Intl

Sun 3/9

10:24 am-8:55 pm

1 stop7h 31m

$504

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sat 2/22

11:20 am-8:30 pm

2 stops11h 10m

Hilo Intl

Mon 2/24

6:00 am-9:45 pm

2 stops13h 45m

$554

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 1/29

6:15 am-4:08 pm

2 stops11h 53m

Hilo Intl

Wed 2/5

8:35 am-9:51 am

2 stops23h 16m

$575

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 4/3

8:50 am-3:45 pm

1 stop9h 55m

Hilo Intl

Sun 4/6

7:55 pm-9:50 pm

1 stop22h 55m

$579

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sat 4/12

5:30 pm-2:36 pm

2 stops24h 06m

Hilo Intl

Thu 4/17

7:55 pm-4:36 pm

2 stops17h 41m

$1,194

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 2/26

6:00 am-6:04 pm

2 stops14h 04m

$234

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 1/30

9:35 am-5:24 pm

1 stop9h 49m

$237

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sun 3/16

8:50 am-4:00 pm

1 stop10h 10m

$277

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 1/30

6:15 am-6:04 pm

3 stops13h 49m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Compare providers for flights from Ontario to Hilo

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 Hilo in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Hilo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Hilo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Hilo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Hilo 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-Hilo 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 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.

Travel insights for flights from Ontario to Hilo

Get recent, data-driven insights about flights from Ontario to Hilo including ideal travel times, pricing trends, and more.

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 July is currently the most expensive (average of $780). 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.

Rainfall in Hilo by month

Plan your trip to Hilo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hilo ranges from 7.4 - 15.5 inches per month. November is typically the wettest month, when rainfall can reach 15.5 in. June is typically the driest time to visit Hilo when rainfall is around 7.4 in.

Temperature in Hilo by month

Plan your trip to Hilo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hilo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

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 January 17, 2025.
Read through reviews of airlines operating flights from Ontario to Hilo, such as Hawaiian Airlines and United Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,681 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Hawaiian Airlines
7.9
Good
2,320 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,964 reviews
Southwest
8.1
Very good
4,659 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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.

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

    Alaska Airlines, at $474, was found to be the cheapest airline from Ontario to Hilo.Alternate airlines to your destination round-trip include Hawaiian Airlines and United Airlines. Alaska Airlines is priced at 20% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Ontario to Hilo one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $234. Users have also found prices from $237 and $277 on Alaska Airlines and Hawaiian Airlines, respectively.

  • 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 July is currently the most expensive (average of $780). 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

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 for Ontario to Hilo

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Honolulu flights
San Francisco to Honolulu flights
Ontario to Honolulu flights
San Diego to Honolulu flights
San Francisco to Kahului flights
San Jose to Honolulu flights
Los Angeles to Kahului flights
Los Angeles to Lihue flights
San Francisco to Kailua-Kona flights
Los Angeles to Kailua-Kona flights
San Francisco to Lihue flights
Sacramento to Honolulu flights
Las Vegas to Honolulu flights
Oakland to Honolulu flights
San Diego to Lihue flights
San Jose to Kahului flights
Long Beach to Honolulu flights
Sacramento to Kahului flights
Ontario to Kahului flights
San Diego to Kahului flights
Oakland to Kahului flights
Oakland to Lihue flights
Ontario to Lihue flights
Ontario to Kailua-Kona flights
Santa Ana to Honolulu flights
Las Vegas to Kahului flights
San Diego to Kailua-Kona flights
San Jose to Kailua-Kona flights
San Jose to Lihue flights
Oakland to Kailua-Kona flights
Burbank to Honolulu flights
Sacramento to Kailua-Kona flights
Fresno to Honolulu flights
Las Vegas to Kailua-Kona flights
Sacramento to Lihue flights
Long Beach to Kahului flights
Santa Ana to Kahului flights
Las Vegas to Lihue flights
Reno to Honolulu flights
Monterey to Honolulu flights
Los Angeles to Kapalua flights
Santa Ana to Lihue flights
Long Beach to Lihue flights
San Francisco to Hilo flights
Santa Ana to Kailua-Kona flights
Los Angeles to Hilo flights
Reno to Kahului flights
San Francisco to Hana flights
Los Angeles to Hana flights
Medford to Honolulu flights

Top airline flying from Ontario to Hilo

Discover the top airline 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 January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$407Average$560FlexibilityNo cancel feeOn-time85%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.