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

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

What airlines fly to Hilo?

Alaska Airlines, Southwest and Delta are the top three most popular airlines that fly to Hilo from Ontario according to our data. Alaska Airlines is the first choice among our users, with 41% 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 March 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.

$177 Cheap Flights from Ontario to Hilo in 2026

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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.

6:00 am - 6:10 pm

ONT

ITO

15h 10m

2 stops

6:55 pm - 8:20 am

ITO

ONT

10h 25m

2 stops

$383Southwest

Sun, Apr 12 - Wed, Apr 15

8:32 am - 4:15 pm

ONT

ITO

10h 43m

1 stop

9:59 am - 9:10 pm

ITO

ONT

8h 11m

1 stop

$393Multiple Airlines

Mon, Apr 20 - Tue, Apr 28

8:30 am - 2:31 pm

ONT

ITO

9h 01m

1 stop

10:56 am - 9:10 pm

ITO

ONT

7h 14m

1 stop

$408Multiple Airlines

Wed, Apr 22 - Wed, Apr 29

8:30 am - 4:14 pm

ONT

ITO

10h 44m

1 stop

10:56 am - 9:10 pm

ITO

ONT

7h 14m

1 stop

$413Multiple Airlines

Wed, Apr 29 - Wed, May 6

8:00 am - 2:30 pm

ONT

ITO

9h 30m

1 stop

6:00 am - 8:10 pm

ITO

ONT

11h 10m

1 stop

$431Southwest

Tue, Aug 11 - Fri, Aug 14

8:30 am - 2:31 pm

ONT

ITO

9h 01m

1 stop

9:59 am - 9:10 pm

ITO

ONT

8h 11m

1 stop

$438Multiple Airlines

Wed, Apr 22 - Tue, Apr 28

5:30 am - 2:30 pm

ONT

ITO

12h 00m

2 stops

8:00 am - 8:10 pm

ITO

ONT

9h 10m

1 stop

$441Southwest

Sun, Aug 2 - Thu, Aug 6

6:00 am - 5:27 pm

ONT

ITO

14h 27m

2 stops

8:53 am - 9:10 pm

ITO

ONT

9h 17m

1 stop

$444Multiple Airlines

Tue, Apr 21 - Mon, Apr 27

8:00 am - 12:56 pm

ONT

ITO

7h 56m

1 stop

9:46 am - 9:28 pm

ITO

ONT

8h 42m

1 stop

$451Multiple Airlines

Sun, Aug 30 - Wed, Sep 9

8:30 am - 2:31 pm

ONT

ITO

9h 01m

1 stop

10:56 am - 9:10 pm

ITO

ONT

7h 14m

1 stop

$464Multiple Airlines

Wed, Apr 29 - Mon, May 4

Southwest flights from Ontario to Hilo

Our best Southwest deals on Ontario to Hilo flight tickets

Southwest

Apr 12

ONT6:00 amOntario

15h 10m

2 stops

ITO6:10 pmHilo Intl

Apr 15

ITO6:55 pmHilo Intl

10h 25m

2 stops

ONT8:20 amOntario

$383

Southwest

Aug 11

ONT8:00 amOntario

9h 30m

1 stop

ITO2:30 pmHilo Intl

Aug 14

ITO6:00 amHilo Intl

11h 10m

1 stop

ONT8:10 pmOntario

$431

Southwest

Aug 2

ONT5:30 amOntario

12h 00m

2 stops

ITO2:30 pmHilo Intl

Aug 6

ITO8:00 amHilo Intl

9h 10m

1 stop

ONT8:10 pmOntario

$441

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sun 4/12

6:00 am-6:10 pm

2 stops15h 10m

Hilo Intl

Wed 4/15

6:55 pm-8:20 am

2 stops10h 25m

$383

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 4/20

8:32 am-4:15 pm

1 stop10h 43m

Hilo Intl

Tue 4/28

9:59 am-9:10 pm

1 stop8h 11m

$393

Quickest round-trip

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 4/22

8:30 am-2:31 pm

1 stop9h 01m

Hilo Intl

Wed 4/29

10:56 am-9:10 pm

1 stop7h 14m

$408

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 4/29

8:30 am-4:14 pm

1 stop10h 44m

Hilo Intl

Wed 5/6

10:56 am-9:10 pm

1 stop7h 14m

$413

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 8/11

8:00 am-2:30 pm

1 stop9h 30m

Hilo Intl

Fri 8/14

6:00 am-8:10 pm

1 stop11h 10m

$431

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 4/22

8:30 am-2:31 pm

1 stop9h 01m

Hilo Intl

Tue 4/28

9:59 am-9:10 pm

1 stop8h 11m

$438

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sun 8/2

5:30 am-2:30 pm

2 stops12h 00m

Hilo Intl

Thu 8/6

8:00 am-8:10 pm

1 stop9h 10m

$441

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 4/21

6:00 am-5:27 pm

2 stops14h 27m

Hilo Intl

Mon 4/27

8:53 am-9:10 pm

1 stop9h 17m

$444

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sun 8/30

8:00 am-12:56 pm

1 stop7h 56m

Hilo Intl

Wed 9/9

9:46 am-9:28 pm

1 stop8h 42m

$451

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 4/29

8:30 am-2:31 pm

1 stop9h 01m

Hilo Intl

Mon 5/4

10:56 am-9:10 pm

1 stop7h 14m

$464

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 56m
Direct flights	None

The fastest flight from Ontario to Hilo takes 7h 56m

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 56m.
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 March 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 11,993 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.