What airlines fly to Hilo?

United Airlines, Alaska Airlines and Hawaiian Airlines are the top three most popular airlines that fly to Hilo from Ontario 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 Hilo. Keep in mind that there are 6 different airlines that fly to Hilo on a routine basis, so you have a few additional options to choose from.

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

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

How many operators does momondo search for flights from Ontario Airport to Hilo Intl Airport?

As of January 2026, there is 1 operator available to choose from for flights from Ontario Airport to Hilo Intl Airport.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Hilo Intl Airport.

What documentation or ID do you need to fly to Hilo Intl Airport?

The travel and health documents required for your trip to Hilo Intl 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 Hilo Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$172 Cheap Flights from Ontario to Hilo in 2026

1 adult

0 bags

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Find the cheapest flights from Ontario to Hilo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:41 am - 5:29 pm

ONT

ITO

10h 48m

1 stop

7:42 am - 10:15 pm

ITO

ONT

12h 33m

1 stop

$398Hawaiian Airlines

Mon, Feb 16 - Tue, Feb 24

8:32 am - 4:15 pm

ONT

ITO

10h 43m

1 stop

10:56 am - 9:10 pm

ITO

ONT

7h 14m

1 stop

$479Multiple Airlines

Tue, Apr 14 - Thu, Apr 23

8:41 am - 4:00 pm

ONT

ITO

9h 19m

1 stop

6:00 am - 8:55 pm

ITO

ONT

11h 55m

1 stop

$484Multiple Airlines

Wed, Mar 4 - Wed, Mar 11

7:00 am - 3:41 pm

ONT

ITO

11h 41m

2 stops

9:46 am - 10:07 pm

ITO

ONT

9h 21m

1 stop

$505Multiple Airlines

Thu, May 14 - Thu, May 21

8:13 am - 2:32 pm

ONT

ITO

8h 19m

1 stop

12:30 pm - 10:15 pm

ITO

ONT

7h 45m

1 stop

$510Multiple Airlines

Mon, Feb 9 - Mon, Feb 16

8:00 am - 6:10 pm

ONT

ITO

13h 10m

2 stops

6:55 pm - 8:20 am

ITO

ONT

10h 25m

2 stops

$515Southwest

Thu, Mar 19 - Thu, Mar 26

8:13 am - 7:59 pm

ONT

ITO

13h 46m

1 stop

6:00 am - 10:28 pm

ITO

ONT

14h 28m

1 stop

$527Multiple Airlines

Tue, Jan 27 - Wed, Jan 28

8:41 am - 4:00 pm

ONT

ITO

9h 19m

1 stop

1:45 pm - 11:15 pm

ITO

ONT

7h 30m

1 stop

$529Multiple Airlines

Mon, Mar 2 - Sat, Mar 7

8:30 am - 4:14 pm

ONT

ITO

10h 44m

1 stop

8:53 am - 9:10 pm

ITO

ONT

9h 17m

1 stop

$532Multiple Airlines

Sun, Apr 26 - Thu, Apr 30

8:32 am - 4:15 pm

ONT

ITO

10h 43m

1 stop

12:21 pm - 10:59 pm

ITO

ONT

7h 38m

1 stop

$539Multiple Airlines

Thu, Mar 19 - Thu, Mar 26

Southwest flights from Ontario to Hilo

Our best Southwest deals on Ontario to Hilo flight tickets

Southwest

Mar 19

ONT8:00 amOntario

13h 10m

2 stops

ITO6:10 pmHilo Intl

Mar 26

ITO6:55 pmHilo Intl

10h 25m

2 stops

ONT8:20 amOntario

$515

Southwest

Jan 18

ONT10:00 amOntario

10h 10m

2 stops

ITO6:10 pmHilo Intl

Jan 22

ITO6:55 pmHilo Intl

12h 25m

2 stops

ONT9:20 amOntario

$615

Southwest

Apr 6

ONT8:00 amOntario

13h 10m

2 stops

ITO6:10 pmHilo Intl

Apr 12

ITO9:50 amHilo Intl

10h 45m

1 stop

ONT11:35 pmOntario

$765

Fly from

Fly to

Route

Depart

Return

Price

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 2/16

8:41 am-5:29 pm

1 stop10h 48m

Hilo Intl

Tue 2/24

7:42 am-10:15 pm

1 stop12h 33m

$398

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 4/14

8:32 am-4:15 pm

1 stop10h 43m

Hilo Intl

Thu 4/23

10:56 am-9:10 pm

1 stop7h 14m

$479

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 3/4

8:41 am-4:00 pm

1 stop9h 19m

Hilo Intl

Wed 3/11

6:00 am-8:55 pm

1 stop11h 55m

$484

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 5/14

7:00 am-3:41 pm

2 stops11h 41m

Hilo Intl

Thu 5/21

9:46 am-10:07 pm

1 stop9h 21m

$505

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 2/9

8:13 am-2:32 pm

1 stop8h 19m

Hilo Intl

Mon 2/16

12:30 pm-10:15 pm

1 stop7h 45m

$510

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 3/19

8:00 am-6:10 pm

2 stops13h 10m

Hilo Intl

Thu 3/26

6:55 pm-8:20 am

2 stops10h 25m

$515

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 1/27

8:13 am-7:59 pm

1 stop13h 46m

Hilo Intl

Wed 1/28

6:00 am-10:28 pm

1 stop14h 28m

$527

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 3/2

8:41 am-4:00 pm

1 stop9h 19m

Hilo Intl

Sat 3/7

1:45 pm-11:15 pm

1 stop7h 30m

$529

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sun 4/26

8:30 am-4:14 pm

1 stop10h 44m

Hilo Intl

Thu 4/30

8:53 am-9:10 pm

1 stop9h 17m

$532

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 3/19

8:32 am-4:15 pm

1 stop10h 43m

Hilo Intl

Thu 3/26

12:21 pm-10:59 pm

1 stop7h 38m

$539

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 Ontario to Hilo

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 Ontario to Hilo flights?

You could potentially save up to 34% on your flight if you consider stops on a Ontario to Hilo flight.

When to book flights from Ontario to Hilo

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

Estimated round-trip price

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

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

Fastest flight time	7h 41m
Direct flights	None

The fastest flight from Ontario to Hilo takes 7h 41m

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

Search flight deals

How far is Ontario to Hilo Intl by plane?
The straight-line distance from Ontario to Hilo Intl is 2490.9 mi. A reasonable flight in good conditions will take 7h 41m.
When did momondo last update prices for flights from Ontario Airport to Hilo Intl Airport?
Prices for flights from Ontario Airport to Hilo Intl Airport were last updated today.
How many operators does momondo search for flights from Ontario Airport to Hilo Intl Airport?
As of January 2026, there is 1 operator available to choose from for flights from Ontario Airport to Hilo Intl Airport.
How old do you have to be to fly from Ontario Airport to Hilo Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Hilo Intl Airport.
What documentation or ID do you need to fly to Hilo Intl Airport?
The travel and health documents required for your trip to Hilo Intl 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 Hilo Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Ontario to Hilo?
momondo data reveals that the most frequently booked airline on the route from Ontario to Hilo is Alaska Airlines, representing 100% of all bookings.

Best airlines flying from Ontario to Hilo

Compare and see reviews for airlines that fly from Ontario to Hilo with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $392	Free Cancellation	Rating 8.0 11,721 reviews		Search Alaska Airlines flights

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Why use momondo?

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

It is quick and easy to find Ontario to Hilo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Hilo that suits you.

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

All flight searches from Ontario to Hilo on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Hilo from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Ontario to Hilo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.