What airlines fly to Hilo?

United Airlines, Hawaiian Airlines and Alaska 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 31% 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.

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

Alaska Airlines and United Airlines are the most popular carriers operating from Ontario to Hilo Intl

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 November 2025, 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.

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

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Find the cheapest flights from Ontario to Hilo

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One-way

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Cheap round-trip flights

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8:41 am - 5:29 pmONT-ITO

10h 48m1 stop

7:41 pm - 11:08 amITO-ONT

13h 27m2 stops

$327Alaska Airlines

Find Deal

Mon, Feb 23 - Tue, Mar 3

7:00 am - 5:29 pmONT-ITO

12h 29m2 stops

5:59 pm - 11:08 amITO-ONT

15h 09m2 stops

$337Alaska Airlines

Find Deal

Tue, Feb 24 - Tue, Mar 3

6:00 am - 3:23 pmONT-ITO

12h 23m2 stops

9:46 am - 9:15 pmITO-ONT

8h 29m1 stop

$360Alaska Airlines

Find Deal

Tue, Apr 14 - Wed, Apr 22

11:53 am - 10:34 pmONT-ITO

12h 41m2 stops

7:35 am - 11:56 pmITO-ONT

14h 21m2 stops

$364Alaska Airlines

Find Deal

Sun, Jan 18 - Fri, Jan 23

6:00 am - 3:23 pmONT-ITO

12h 23m2 stops

7:52 pm - 2:33 pmITO-ONT

15h 41m2 stops

$370Alaska Airlines

Find Deal

Tue, Apr 14 - Thu, Apr 23

8:41 am - 5:29 pmONT-ITO

10h 48m1 stop

6:00 am - 11:32 pmITO-ONT

15h 32m2 stops

$372Alaska Airlines

Find Deal

Mon, Feb 23 - Thu, Mar 5

7:00 am - 6:34 pmONT-ITO

13h 34m2 stops

6:00 am - 11:32 pmITO-ONT

15h 32m2 stops

$382Alaska Airlines

Find Deal

Tue, Feb 24 - Thu, Mar 5

8:13 am - 4:13 pmONT-ITO

10h 00m1 stop

6:00 am - 8:10 pmITO-ONT

12h 10m2 stops

$387Alaska Airlines

Find Deal

Tue, Jan 20 - Fri, Jan 23

8:41 am - 5:29 pmONT-ITO

10h 48m1 stop

12:30 pm - 10:15 pmITO-ONT

7h 45m1 stop

$392Alaska Airlines

Find Deal

Mon, Feb 23 - Tue, Mar 3

6:00 am - 10:34 pmONT-ITO

18h 34m2 stops

6:00 am - 11:56 pmITO-ONT

15h 56m2 stops

$396Alaska Airlines

Find Deal

Sun, Jan 18 - Mon, Jan 26

Alaska Airlines flights from Ontario to Hilo

Our best Alaska Airlines deals on Ontario to Hilo flight tickets

Alaska Airlines

Feb 23

ONT8:41 amOntario

10h 48m

1 stop

ITO5:29 pmHilo Intl

Mar 3

ITO7:41 pmHilo Intl

13h 27m

2 stops

ONT11:08 amOntario

$327

Find similar

Alaska Airlines

Feb 24

ONT7:00 amOntario

12h 29m

2 stops

ITO5:29 pmHilo Intl

Mar 3

ITO5:59 pmHilo Intl

15h 09m

2 stops

ONT11:08 amOntario

$337

Find similar

Alaska Airlines

Apr 14

ONT6:00 amOntario

12h 23m

2 stops

ITO3:23 pmHilo Intl

Apr 23

ITO10:44 amHilo Intl

7h 31m

1 stop

ONT9:15 pmOntario

$360

Find similar

United Airlines flights from Ontario to Hilo

Our best United Airlines deals on Ontario to Hilo flight tickets

United Airlines

Dec 4

ONT6:00 amOntario

13h 39m

2 stops

ITO5:39 pmHilo Intl

Dec 8

ITO8:40 amHilo Intl

30h 57m

2 stops

ONT5:37 pmOntario

$932

Find similar

United Airlines

Dec 5

ONT6:00 amOntario

16h 30m

2 stops

ITO8:30 pmHilo Intl

Dec 11

ITO4:35 pmHilo Intl

17h 43m

2 stops

ONT12:18 pmOntario

$2,406

Find similar

United Airlines

Dec 3

ONT6:00 amOntario

16h 00m

2 stops

ITO8:00 pmHilo Intl

Dec 10

ITO6:44 pmHilo Intl

15h 34m

2 stops

ONT12:18 pmOntario

$2,446

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 2/23

8:41 am-5:29 pm

1 stop10h 48m

Hilo Intl

Tue 3/3

7:41 pm-11:08 am

2 stops13h 27m

$327

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 2/24

7:00 am-5:29 pm

2 stops12h 29m

Hilo Intl

Tue 3/3

5:59 pm-11:08 am

2 stops15h 09m

$337

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 4/14

6:00 am-3:23 pm

2 stops12h 23m

Hilo Intl

Wed 4/22

9:46 am-9:15 pm

1 stop8h 29m

$360

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sun 1/18

11:53 am-10:34 pm

2 stops12h 41m

Hilo Intl

Fri 1/23

7:35 am-11:56 pm

2 stops14h 21m

$364

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 4/14

6:00 am-3:23 pm

2 stops12h 23m

Hilo Intl

Thu 4/23

7:52 pm-2:33 pm

2 stops15h 41m

$370

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 2/23

8:41 am-5:29 pm

1 stop10h 48m

Hilo Intl

Thu 3/5

6:00 am-11:32 pm

2 stops15h 32m

$372

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 2/24

7:00 am-6:34 pm

2 stops13h 34m

Hilo Intl

Thu 3/5

6:00 am-11:32 pm

2 stops15h 32m

$382

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 1/20

8:13 am-4:13 pm

1 stop10h 00m

Hilo Intl

Fri 1/23

6:00 am-8:10 pm

2 stops12h 10m

$387

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 2/23

8:41 am-5:29 pm

1 stop10h 48m

Hilo Intl

Tue 3/3

12:30 pm-10:15 pm

1 stop7h 45m

$392

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sun 1/18

6:00 am-10:34 pm

2 stops18h 34m

Hilo Intl

Mon 1/26

6:00 am-11:56 pm

2 stops15h 56m

$396

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

What is the cheapest month to fly to Hilo?

The month of February is, on average, the cheapest month to fly to Hilo from Ontario, with most prices found around $392. If you’re not able to fly to Hilo in February, then September is your next best option. Flight prices from Ontario to Hilo during September average around $488.

What is the cheapest day to depart on your flight to Hilo?

The cheapest day to depart from Ontario to Hilo is on a Wednesday. Travelers who choose to depart for Hilo on a Wednesday will often find tickets for as low as $436. Flights from Ontario to Hilo on a Friday will generally be more expensive and average around $608. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Hilo?

Our data shows that the cheapest Ontario to Hilo flights are usually those with departure times in the morning. Our users have found flights to Hilo in the morning for as low as $507. In contrast, the most expensive time of day to depart to Hilo is at noon when prices are around $737.

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	8h 29m
Direct flights	None

The fastest flight from Ontario to Hilo takes 8h 29m

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 9h 14m.
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 November 2025, 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 11,363 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.