What airlines fly to Ontario?

United Airlines, Delta and Hawaiian Airlines 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 30% 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.

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.

$172 Cheap Flights from Hilo to Ontario in 2026

1 adult

0 bags

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Find the cheapest flights from Hilo to Los Angeles

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One-way

Cheap round-trip flights

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6:00 am - 8:36 pm

ITO

ONT

12h 36m

2 stops

8:13 am - 2:32 pm

ONT

ITO

8h 19m

1 stop

$406Multiple Airlines

Tue, Feb 3 - Wed, Feb 4

6:00 am - 8:36 pm

ITO

ONT

12h 36m

2 stops

4:03 pm - 7:04 pm

ONT

ITO

29h 01m

2 stops

$443Multiple Airlines

Tue, Feb 3 - Wed, Feb 4

4:39 pm - 10:19 am

ITO

ONT

14h 40m

2 stops

6:00 am - 5:27 pm

ONT

ITO

14h 27m

2 stops

$466Multiple Airlines

Tue, Mar 17 - Tue, Mar 24

12:09 pm - 10:28 pm

ITO

ONT

8h 19m

1 stop

8:13 am - 4:13 pm

ONT

ITO

10h 00m

1 stop

$474Multiple Airlines

Tue, Feb 3 - Wed, Feb 4

7:44 pm - 1:06 pm

ITO

ONT

15h 22m

2 stops

5:59 pm - 7:04 pm

ONT

ITO

27h 05m

2 stops

$496Multiple Airlines

Tue, Feb 3 - Wed, Feb 4

8:24 am - 10:28 pm

ITO

ONT

12h 04m

2 stops

8:13 am - 2:32 pm

ONT

ITO

8h 19m

1 stop

$501Multiple Airlines

Tue, Feb 3 - Wed, Feb 4

10:44 am - 10:07 pm

ITO

ONT

8h 23m

1 stop

4:03 pm - 7:00 am

ONT

ITO

17h 57m

2 stops

$535Multiple Airlines

Thu, May 21 - Fri, May 29

9:46 am - 11:56 pm

ITO

ONT

11h 10m

2 stops

4:03 pm - 7:00 am

ONT

ITO

17h 57m

2 stops

$545Multiple Airlines

Thu, May 21 - Fri, May 29

12:09 pm - 10:28 pm

ITO

ONT

8h 19m

1 stop

8:13 am - 2:32 pm

ONT

ITO

8h 19m

1 stop

$555Multiple Airlines

Tue, Jan 27 - Sat, Jan 31

12:09 pm - 10:28 pm

ITO

ONT

8h 19m

1 stop

11:53 am - 10:34 pm

ONT

ITO

12h 41m

2 stops

$564Multiple Airlines

Mon, Jan 26 - Fri, Jan 30

United Airlines flights from Hilo to Ontario

Our best United Airlines deals on Hilo to Ontario flight tickets

United Airlines

Jan 27

ITO7:44 pmHilo Intl

19h 59m

2 stops

ONT5:43 pmOntario

Jan 29

ONT6:00 amOntario

15h 04m

2 stops

ITO7:04 pmHilo Intl

$749

United Airlines

Jan 20

ITO7:44 pmHilo Intl

13h 34m

2 stops

ONT11:18 amOntario

Jan 21

ONT1:53 pmOntario

29h 52m

2 stops

ITO5:45 pmHilo Intl

$1,046

United Airlines

Mar 23

ITO6:00 amHilo Intl

27h 18m

2 stops

ONT12:18 pmOntario

Apr 6

ONT6:00 amOntario

14h 42m

2 stops

ITO5:42 pmHilo Intl

$2,228

Delta flights from Hilo to Ontario

Our best Delta deals on Hilo to Ontario flight tickets

Delta

Jan 21

ITO6:44 pmHilo Intl

17h 12m

2 stops

ONT1:56 pmOntario

Jan 23

ONT3:30 pmOntario

25h 02m

2 stops

ITO2:32 pmHilo Intl

$863

Delta

Mar 23

ITO6:44 pmHilo Intl

13h 34m

2 stops

ONT11:18 amOntario

Apr 8

ONT11:59 amOntario

56h 43m

2 stops

ITO5:42 pmHilo Intl

$1,202

Delta

Jan 19

ITO7:35 amHilo Intl

14h 23m

2 stops

ONT11:58 pmOntario

Jan 20

ONT7:30 amOntario

15h 54m

2 stops

ITO9:24 pmHilo Intl

$1,304

Fly from

Fly to

Route

Depart

Return

Price

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Tue 2/3

6:00 am-8:36 pm

2 stops12h 36m

Ontario

Wed 2/4

8:13 am-2:32 pm

1 stop8h 19m

$406

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Tue 2/3

6:00 am-8:36 pm

2 stops12h 36m

Ontario

Wed 2/4

4:03 pm-7:04 pm

2 stops29h 01m

$443

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Tue 3/17

4:39 pm-10:19 am

2 stops14h 40m

Ontario

Tue 3/24

6:00 am-5:27 pm

2 stops14h 27m

$466

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Tue 2/3

12:09 pm-10:28 pm

1 stop8h 19m

Ontario

Wed 2/4

8:13 am-4:13 pm

1 stop10h 00m

$474

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Tue 2/3

7:44 pm-1:06 pm

2 stops15h 22m

Ontario

Wed 2/4

5:59 pm-7:04 pm

2 stops27h 05m

$496

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Tue 2/3

8:24 am-10:28 pm

2 stops12h 04m

Ontario

Wed 2/4

8:13 am-2:32 pm

1 stop8h 19m

$501

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Thu 5/21

10:44 am-10:07 pm

1 stop8h 23m

Ontario

Fri 5/29

4:03 pm-7:00 am

2 stops17h 57m

$535

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Thu 5/21

9:46 am-11:56 pm

2 stops11h 10m

Ontario

Fri 5/29

4:03 pm-7:00 am

2 stops17h 57m

$545

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Tue 1/27

12:09 pm-10:28 pm

1 stop8h 19m

Ontario

Sat 1/31

8:13 am-2:32 pm

1 stop8h 19m

$555

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Mon 1/26

12:09 pm-10:28 pm

1 stop8h 19m

Ontario

Fri 1/30

11:53 am-10:34 pm

2 stops12h 41m

$564

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 12% 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	7h 38m
Direct flights	None

The fastest flight from Hilo to Ontario takes 7h 38m

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

Search flight deals

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 7h 38m.
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.