What airlines fly to Ontario?

United Airlines, Hawaiian Airlines and Delta are the top three most popular airlines that fly to Ontario from Hilo according to our data. United Airlines is the first choice among our users, with 28% of people opting to fly with this airline when traveling to Ontario. Keep in mind that there are 6 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Hilo Intl to Ontario?

Alaska Airlines is the most popular carrier operating from Hilo Intl to Ontario

When did momondo last update prices for flights from Hilo Intl Airport to Ontario Airport?

Prices for flights from Hilo Intl Airport to Ontario Airport were last updated today.

How old do you have to be to fly from Hilo Intl Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hilo Intl Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$247 Cheap Flights from Hilo to Ontario in 2025/26

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Find the cheapest flights from Hilo to Los Angeles

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7:42 am - 10:15 pmITO-ONT

12h 33m1 stop

8:41 am - 4:00 pmONT-ITO

9h 19m1 stop

$429Hawaiian Airlines

Find Deal

Wed, Feb 25 - Thu, Feb 26

8:54 am - 10:15 pmITO-ONT

11h 21m1 stop

8:41 am - 4:00 pmONT-ITO

9h 19m1 stop

$451Hawaiian Airlines

Find Deal

Wed, Feb 25 - Thu, Feb 26

8:54 am - 11:52 pmITO-ONT

12h 58m2 stops

8:41 am - 4:00 pmONT-ITO

9h 19m1 stop

$457Alaska Airlines

Find Deal

Wed, Feb 25 - Thu, Feb 26

8:54 am - 11:52 pmITO-ONT

12h 58m2 stops

7:00 am - 5:29 pmONT-ITO

12h 29m2 stops

$472Alaska Airlines

Find Deal

Wed, Feb 25 - Thu, Feb 26

10:44 am - 9:55 pmITO-ONT

8h 11m1 stop

8:45 am - 3:41 pmONT-ITO

9h 56m1 stop

$494Alaska Airlines

Find Deal

Wed, Apr 15 - Wed, Apr 22

8:54 am - 11:52 pmITO-ONT

12h 58m2 stops

8:41 am - 5:29 pmONT-ITO

10h 48m1 stop

$499Alaska Airlines

Find Deal

Wed, Feb 25 - Thu, Feb 26

8:54 am - 11:52 pmITO-ONT

12h 58m2 stops

7:00 am - 5:29 pmONT-ITO

12h 29m2 stops

$514Alaska Airlines

Find Deal

Wed, Feb 25 - Thu, Feb 26

12:09 pm - 10:28 pmITO-ONT

8h 19m1 stop

8:13 am - 2:32 pmONT-ITO

8h 19m1 stop

$698Alaska Airlines

Find Deal

Thu, Jan 8 - Thu, Jan 15

12:09 pm - 10:28 pmITO-ONT

8h 19m1 stop

8:13 am - 2:32 pmONT-ITO

8h 19m1 stop

$773Alaska Airlines

Find Deal

Fri, Jan 9 - Fri, Jan 16

6:00 am - 8:23 pmITO-ONT

12h 23m1 stop

7:00 am - 1:01 pmONT-ITO

8h 01m1 stop

$788Alaska Airlines

Find Deal

Tue, Dec 9 - Sat, Dec 13

Hawaiian Airlines flights from Hilo to Ontario

Our best Hawaiian Airlines deals on Hilo to Ontario flight tickets

Hawaiian Airlines

Feb 25

ITO7:42 amHilo Intl

12h 33m

1 stop

ONT10:15 pmOntario

Feb 26

ONT8:41 amOntario

9h 19m

1 stop

ITO4:00 pmHilo Intl

$429

Find similar

Hawaiian Airlines

Feb 25

ITO8:54 amHilo Intl

11h 21m

1 stop

ONT10:15 pmOntario

Feb 26

ONT8:41 amOntario

9h 19m

1 stop

ITO4:00 pmHilo Intl

$451

Find similar

Alaska Airlines flights from Hilo to Ontario

Our best Alaska Airlines deals on Hilo to Ontario flight tickets

Alaska Airlines

Feb 25

ITO8:54 amHilo Intl

12h 58m

2 stops

ONT11:52 pmOntario

Feb 26

ONT8:41 amOntario

9h 19m

1 stop

ITO4:00 pmHilo Intl

$457

Find similar

Alaska Airlines

Feb 25

ITO8:54 amHilo Intl

12h 58m

2 stops

ONT11:52 pmOntario

Feb 26

ONT7:00 amOntario

12h 29m

2 stops

ITO5:29 pmHilo Intl

$472

Find similar

Alaska Airlines

Apr 15

ITO10:44 amHilo Intl

8h 11m

1 stop

ONT9:55 pmOntario

Apr 22

ONT8:45 amOntario

9h 56m

1 stop

ITO3:41 pmHilo Intl

$494

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 2/25

7:42 am-10:15 pm

1 stop12h 33m

Ontario

Thu 2/26

8:41 am-4:00 pm

1 stop9h 19m

$429

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 2/25

8:54 am-10:15 pm

1 stop11h 21m

Ontario

Thu 2/26

8:41 am-4:00 pm

1 stop9h 19m

$451

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 2/25

8:54 am-11:52 pm

2 stops12h 58m

Ontario

Thu 2/26

8:41 am-4:00 pm

1 stop9h 19m

$457

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 2/25

8:54 am-11:52 pm

2 stops12h 58m

Ontario

Thu 2/26

7:00 am-5:29 pm

2 stops12h 29m

$472

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 4/15

10:44 am-9:55 pm

1 stop8h 11m

Ontario

Wed 4/22

8:45 am-3:41 pm

1 stop9h 56m

$494

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 2/25

8:54 am-11:52 pm

2 stops12h 58m

Ontario

Thu 2/26

8:41 am-5:29 pm

1 stop10h 48m

$499

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Wed 2/25

8:54 am-11:52 pm

2 stops12h 58m

Ontario

Thu 2/26

7:00 am-5:29 pm

2 stops12h 29m

$514

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Thu 1/8

12:09 pm-10:28 pm

1 stop8h 19m

Ontario

Thu 1/15

8:13 am-2:32 pm

1 stop8h 19m

$698

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Fri 1/9

12:09 pm-10:28 pm

1 stop8h 19m

Ontario

Fri 1/16

8:13 am-2:32 pm

1 stop8h 19m

$773

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Tue 12/9

6:00 am-8:23 pm

1 stop12h 23m

Ontario

Sat 12/13

7:00 am-1:01 pm

1 stop8h 01m

$788

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Hilo to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Hilo to Ontario flights?

You could potentially save up to 15% on your flight if you consider stops on a Hilo to Ontario flight.

When to book flights from Hilo to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Hilo to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Hilo to Ontario (ITO to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Hilo to Ontario

Fastest flight time	8h 11m
Direct flights	None

The fastest flight from Hilo to Ontario takes 8h 11m

There are no direct flights from Hilo to Ontario. There are no popular flight routes from Hilo to Ontario.

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How far is Hilo Intl to Ontario by plane?
There are 2490.9 mi between Hilo Intl and Ontario. By plane, this route typically takes 8h 11m.
When did momondo last update prices for flights from Hilo Intl Airport to Ontario Airport?
Prices for flights from Hilo Intl Airport to Ontario Airport were last updated today.
How old do you have to be to fly from Hilo Intl Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Hilo Intl Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents required for your trip to Ontario Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Hilo to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Hilo to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from Hilo to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Hilo on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Hilo to Ontario?

momondo helps you find the best flight between Hilo and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Hilo to Ontario right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Hilo to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.