What airlines fly to Hilo?

United Airlines, Alaska Airlines and American 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 38% of people opting to fly with this airline when traveling to Hilo. Keep in mind that there are 7 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 September 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.

$201 Cheap Flights from Ontario to Hilo in 2026

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.

7:00 am - 2:21 pmONT Ontario-ITO Hilo Intl

9h 21m1 stop Honolulu

9:26 am - 9:18 pmITO Hilo Intl-ONT Ontario

9h 52m1 stop Honolulu

$401Multiple Airlines

Wed, Jan 20 - Wed, Jan 27

7:30 am - 3:22 pmONT Ontario-ITO Hilo Intl

9h 52m1 stop Honolulu

8:45 pm - 9:42 pmITO Hilo Intl-ONT Ontario

22h 57m1 stop Honolulu

$402Multiple Airlines

Mon, Nov 2 - Tue, Nov 3

7:00 am - 1:22 pmONT Ontario-ITO Hilo Intl

8h 22m1 stop Honolulu

8:45 pm - 10:38 amITO Hilo Intl-ONT Ontario

11h 53m2 stops Honolulu Seattle/Tacoma Intl

$411Multiple Airlines

Wed, Jan 20 - Wed, Jan 27

7:30 am - 3:22 pmONT Ontario-ITO Hilo Intl

9h 52m1 stop Honolulu

6:19 pm - 9:44 amITO Hilo Intl-ONT Ontario

13h 25m2 stops Honolulu Portland

$411Multiple Airlines

Mon, Nov 2 - Tue, Nov 3

7:13 pm - 3:22 pmONT Ontario-ITO Hilo Intl

22h 09m2 stops Seattle/Tacoma Intl Honolulu

7:30 pm - 9:44 amITO Hilo Intl-ONT Ontario

12h 14m2 stops Honolulu Portland

$415Multiple Airlines

Mon, Nov 2 - Tue, Nov 3

7:00 am - 1:06 pmONT Ontario-ITO Hilo Intl

9h 06m1 stop Honolulu

11:20 am - 9:29 pmITO Hilo Intl-ONT Ontario

7h 09m1 stop Honolulu

$435Multiple Airlines

Tue, Oct 27 - Thu, Oct 29

7:00 am - 1:06 pmONT Ontario-ITO Hilo Intl

9h 06m1 stop Honolulu

4:51 pm - 10:17 amITO Hilo Intl-ONT Ontario

14h 26m2 stops Honolulu Seattle/Tacoma Intl

$445Multiple Airlines

Tue, Oct 27 - Thu, Oct 29

7:00 am - 1:06 pmONT Ontario-ITO Hilo Intl

9h 06m1 stop Honolulu

11:20 am - 9:29 pmITO Hilo Intl-ONT Ontario

7h 09m1 stop Honolulu

$446Multiple Airlines

Tue, Oct 27 - Thu, Oct 29

5:45 am - 2:30 pmONT Ontario-ITO Hilo Intl

11h 45m2 stops Las Vegas Harry Reid Intl Honolulu

6:55 pm - 8:30 amITO Hilo Intl-ONT Ontario

10h 35m2 stops Honolulu Oakland

$595Southwest

Tue, Sep 22 - Sat, Sep 26

9:00 am - 2:30 pmONT Ontario-ITO Hilo Intl

7h 30m1 stop Honolulu

9:25 pm - 8:50 amITO Hilo Intl-ONT Ontario

9h 25m1 stop Las Vegas Harry Reid Intl

$595Southwest

Tue, Dec 15 - Mon, Dec 28

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Southwest flights from Ontario to Hilo

Our best Southwest deals on Ontario to Hilo flight tickets

Southwest

Sep 22

ONT5:45 amOntario

11h 45m

2 stops

ITO2:30 pmHilo Intl

Sep 26

ITO6:55 pmHilo Intl

10h 35m

2 stops

ONT8:30 amOntario

$595

Southwest

Dec 15

ONT9:00 amOntario

11h 10m

1 stop

ITO6:10 pmHilo Intl

Dec 28

ITO9:25 pmHilo Intl

11h 50m

2 stops

ONT11:15 amOntario

$600

Southwest

Dec 30

ONT9:00 amOntario

7h 30m

1 stop

ITO2:30 pmHilo Intl

Jan 5

ITO11:35 amHilo Intl

8h 35m

1 stop

ONT10:10 pmOntario

$720

American Airlines flights from Ontario to Hilo

Our best American Airlines deals on Ontario to Hilo flight tickets

American Airlines

Dec 12

ONT4:51 pmOntario

28h 03m

2 stops

ITO6:54 pmHilo Intl

Dec 25

ITO5:50 pmHilo Intl

12h 50m

2 stops

ONT8:40 amOntario

$615

American Airlines

Dec 15

ONT9:29 amOntario

12h 41m

2 stops

ITO8:10 pmHilo Intl

Dec 25

ITO8:45 pmHilo Intl

9h 55m

2 stops

ONT8:40 amOntario

$634

American Airlines

Dec 13

ONT4:25 pmOntario

31h 31m

2 stops

ITO9:56 pmHilo Intl

Dec 25

ITO6:51 pmHilo Intl

11h 49m

2 stops

ONT8:40 amOntario

$656

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHilo

ONT Ontario - ITO Hilo Intl

ONTITO

Ontario

Wed 1/20

7:00 am-2:21 pm

1 stop9h 21m

Hilo Intl

Wed 1/27

9:26 am-9:18 pm

1 stop9h 52m

$401

OntarioHilo

ONT Ontario - ITO Hilo Intl

ONTITO

Ontario

Mon 11/2

7:30 am-3:22 pm

1 stop9h 52m

Hilo Intl

Tue 11/3

8:45 pm-9:42 pm

1 stop22h 57m

$402

OntarioHilo

ONT Ontario - ITO Hilo Intl

ONTITO

Ontario

Wed 1/20

7:00 am-1:22 pm

1 stop8h 22m

Hilo Intl

Wed 1/27

8:45 pm-10:38 am

2 stops11h 53m

$411

OntarioHilo

ONT Ontario - ITO Hilo Intl

ONTITO

Ontario

Mon 11/2

7:30 am-3:22 pm

1 stop9h 52m

Hilo Intl

Tue 11/3

6:19 pm-9:44 am

2 stops13h 25m

$411

OntarioHilo

ONT Ontario - ITO Hilo Intl

ONTITO

Ontario

Mon 11/2

7:13 pm-3:22 pm

2 stops22h 09m

Hilo Intl

Tue 11/3

7:30 pm-9:44 am

2 stops12h 14m

$415

Quickest round-trip

OntarioHilo

ONT Ontario - ITO Hilo Intl

ONTITO

Ontario

Tue 10/27

7:00 am-1:06 pm

1 stop9h 06m

Hilo Intl

Thu 10/29

11:20 am-9:29 pm

1 stop7h 09m

$435

OntarioHilo

ONT Ontario - ITO Hilo Intl

ONTITO

Ontario

Tue 10/27

7:00 am-1:06 pm

1 stop9h 06m

Hilo Intl

Thu 10/29

4:51 pm-10:17 am

2 stops14h 26m

$445

OntarioHilo

ONT Ontario - ITO Hilo Intl

ONTITO

Ontario

Tue 10/27

7:00 am-1:06 pm

1 stop9h 06m

Hilo Intl

Thu 10/29

11:20 am-9:29 pm

1 stop7h 09m

$446

OntarioHilo

ONT Ontario - ITO Hilo Intl

ONTITO

Ontario

Tue 9/22

5:45 am-2:30 pm

2 stops11h 45m

Hilo Intl

Sat 9/26

6:55 pm-8:30 am

2 stops10h 35m

$595

OntarioHilo

ONT Ontario - ITO Hilo Intl

ONTITO

Ontario

Tue 12/15

9:00 am-2:30 pm

1 stop7h 30m

Hilo Intl

Mon 12/28

9:25 pm-8:50 am

1 stop9h 25m

$595

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 May is, on average, the cheapest month to fly to Hilo from Ontario, with most prices found around $0. If you’re not able to fly to Hilo in May, then March is your next best option. Flight prices from Ontario to Hilo during March average around $0.

Can stopping save me money on Ontario to Hilo flights?

You could potentially save up to 13% 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

Best Price Found	$201
Fastest flight time	7h 54m
Direct flights	None

The best one-way flight to Hilo from Ontario in the past 72 hours is $201. The best round-trip flight deal from Ontario to Hilo found on momondo in the last 72 hours is $401.

The fastest flight from Ontario to Hilo takes 7h 54m

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

Search flight deals

Frequently asked questions about flying from Ontario to Hilo

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 54m.
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 September 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 Southwest, 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
Southwest	PriceFrom $401	Free Cancellation	Rating 8.0 4,195 reviews		Search Southwest flights

Mountain View

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.