Cheap flights from Hilo to Ontario (ITO - ONT) from $136

This is the cheapest one-way flight price, found on 9/27. Prices may vary by date and flight preferences.
ITO — ONT
Oct 3 — Oct 101

How to find the cheapest flight from Hilo (ITO) to Ontario (ONT)

All the information you need to plan the best ITO to ONT flight in 2023: compare Hilo to Ontario flight prices with the expected peak season, weather and rainfall in Ontario.

Popular in

May

Cheapest in

April

Average price

$665

Round-trip from

$217
High demand for flights, 53% potential price rise
Best time to find cheap flights, 67% potential price drop
Average for round-trip flights in September 2023
From Hilo Intl to Ontario

ITO - LAX

Price

$217 - $494

LAX

Temperature

57.2 - 73.4 °F

LAX

Rainfall

0 - 3.4 inches

How far in advance should I book a flight from Hilo to Ontario?

To save up to 15% on this flight, we recommend booking at least 44 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Hilo to Ontario from $442 1-2 weeks out and tickets from $448 for flights departing within the next 72 hours.

What is the cheapest month to fly from Hilo to Ontario?

Our data shows that February tends to be the cheapest month to fly to Ontario from Hilo. Users have commonly found prices around $436 for the month, but tickets can be as low as $260. Due to multiple factors, prepare for potentially higher prices in July.

When is the cheapest time to fly from Hilo to Ontario (ITO - ONT)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Hilo to Ontario as you normally would.

Cheap Hawaiian Airlines flights from Hilo to Ontario

Take a look at some of the lowest-priced Hawaiian Airlines flights heading from Hilo to Ontario. Make sure to check back often as deals are often changing.

Cheap United Airlines flights from Hilo to Ontario

Some of the lowest-priced United Airlines flights we've found at this time heading from Hilo to Ontario. Deals frequently update to provide users with more options.

Cheap Hilo to Ontario flights in September & October 2023

The best prices found for ITO to ONT flights for September, October
These are some of the best deals we've found on flights to Ontario in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Hilo to Ontario 2023 flight deals

Cheap flights to Ontario from Hilo found for this year
These are some of the best deals we've found on flights to Ontario in 2023 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Hilo to Ontario flights leaving soon

Late deals on return flights to Ontario from Hilo, departing today and this week
Check out these flights departing soon from Hilo to Ontario. It's wise to confirm all flight details are correct before booking.

One-way flights to Ontario from Hilo

The cheapest one-way flights from Hilo to Ontario
Take a look at some of the best available options we've come across on one-way flights from Hilo to Ontario. Users in need of a round-trip flight from Hilo to Ontario instead should update the search form at the top of page.

Find flights from Hilo to Ontario within your budget

Use the slider to find flights from Hilo to Ontario that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$467 - $1,335

Route

Depart

Return

Price

Hilo IntlOntario

ITO - ONT

ITOONT

Hilo Intl

Mon 11/13

1 stop8h 55m

Ontario

Sat 11/25

1 stop10h 01m

Hilo IntlOntario

ITO - ONT

ITOONT

Hilo Intl

Fri 12/22

1 stop8h 20m

Ontario

Sun 12/31

1 stop10h 01m

Hilo IntlOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 10/11

1 stop8h 40m

Ontario

Sun 10/15

1 stop10h 01m

Hilo IntlOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 10/11

2 stops13h 12m

Ontario

Sun 10/15

2 stops14h 25m

Hilo IntlOntario

ITO - ONT

ITOONT

Hilo Intl

Fri 12/22

2 stops19h 39m

Ontario

Sun 12/31

2 stops13h 54m

Hilo IntlOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 10/11

2 stops13h 22m

Ontario

Sun 10/15

1 stop10h 50m

Hilo IntlOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 10/11

2 stops25h 27m

Ontario

Sun 10/15

3 stops26h 57m

Hilo IntlOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 10/11

3 stops22h 01m

Ontario

Sun 10/15

3 stops26h 57m

Flights are sorted by cheapest first

Deals found on 9/27

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Hawaiian Airlines, United Airlines and American Airlines from Hilo to Ontario by reading reviews from past customers. 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.
Delta
7.9
Good
3,023 reviews

Entertainment

7.8

Boarding

8.0

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 10

Flight delayed from 7:45 to 1:00 Pm. No effort from delta to reschedule. Left me arriving after my connection departure. I had to rebook. Myself. But no seat assignments. Put me in last seat that doesn’t recline. This was returning from Florida. Going to Florida my flight was cancelled. I had to rebook on another airline that cost me double.

Delta
7.9
Good
3,023 reviews
Delta
7.9
Good
3,023 reviews

Entertainment

7.8

Boarding

8.0

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 10

Flight delayed from 7:45 to 1:00 Pm. No effort from delta to reschedule. Left me arriving after my connection departure. I had to rebook. Myself. But no seat assignments. Put me in last seat that doesn’t recline. This was returning from Florida. Going to Florida my flight was cancelled. I had to rebook on another airline that cost me double.

Hawaiian Airlines
7.7
Good
783 reviews
Delta
7.9
Good
3,023 reviews

Entertainment

7.8

Boarding

8.0

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 10

Flight delayed from 7:45 to 1:00 Pm. No effort from delta to reschedule. Left me arriving after my connection departure. I had to rebook. Myself. But no seat assignments. Put me in last seat that doesn’t recline. This was returning from Florida. Going to Florida my flight was cancelled. I had to rebook on another airline that cost me double.

United Airlines
7.4
Good
1,890 reviews
Delta
7.9
Good
3,023 reviews

Entertainment

7.8

Boarding

8.0

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 10

Flight delayed from 7:45 to 1:00 Pm. No effort from delta to reschedule. Left me arriving after my connection departure. I had to rebook. Myself. But no seat assignments. Put me in last seat that doesn’t recline. This was returning from Florida. Going to Florida my flight was cancelled. I had to rebook on another airline that cost me double.

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,023 reviews

Entertainment

7.8

Boarding

8.0

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 10

Flight delayed from 7:45 to 1:00 Pm. No effort from delta to reschedule. Left me arriving after my connection departure. I had to rebook. Myself. But no seat assignments. Put me in last seat that doesn’t recline. This was returning from Florida. Going to Florida my flight was cancelled. I had to rebook on another airline that cost me double.

Related info for your journey

Useful info, stats and facts about Hilo to Ontario flights.

Can I find flights from Hilo to Ontario for under $500 on Cheapflights?

Yes, there are multiple flights from Hilo to Ontario for under $500. The cheapest flight booked recently is on Hawaiian Airlines for just $467, but on average you can expect to pay $858.

Are there last-minute flights available from Hilo to Ontario for under $500?

There are currently 5+ open flights from Hilo to Ontario within the next 7 days for less than $500.

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

According to our current data, Hawaiian Airlines ($467), United Airlines ($745), and American Airlines ($1,040) offers the cheapest pricing from Hilo to Ontario. Users have found that Hawaiian Airlines is 35% cheaper than the other options available to this destination.

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

For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $136. Users have also found prices from $271 and $435 on United Airlines and American Airlines, respectively.

What does ITO to ONT mean?

Great question - ITO to ONT just means Hilo Intl Airport to Ontario Airport. Now you’ll know what these unique codes when you look for flights!

Alternative routes for Hilo to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Hilo to Ontario

The chart below displays the airlines Cheapflights users traveling from Hilo to Ontario choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$380Average$605FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

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How does Cheapflights help users find flights from Hilo to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Hilo to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Hilo to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Hilo.

Can Cheapflights find flights from Hilo to Ontario with no change fees?

Yes, we can. To see specific flights from Hilo to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Hilo to Ontario become cheaper?

Of course! You can now track prices for flights from Hilo to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and make a flight search when you’re ready to set up your price alert.

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