What is the cheapest airline that flies from Ontario to The Big Island?

Alaska Airlines is the most popular carrier operating from Ontario to The Big Island

What airlines fly to The Big Island?

United Airlines, Alaska Airlines and Hawaiian Airlines are the top three most popular airlines that fly to The Big Island 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 The Big Island. Keep in mind that there are 6 different airlines that fly to The Big Island 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 The Big Island?

Prices for flights from Ontario Airport to The Big Island are updated daily.

How many operators does momondo search for flights from Ontario Airport to The Big Island?

As of January 2026, there are 5 operators available to choose from for flights from Ontario Airport to The Big Island.

How old do you have to be to fly from Ontario Airport to The Big Island?

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 Ontario Airport to The Big Island.

What documentation or ID do you need to fly to The Big Island?

The required travel and health documents for your The Big Island trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at The Big Island. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$162 Cheap Flights from Ontario to The Big Island in 2026

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Find the cheapest flights from Ontario to The Big Island

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:41 am - 8:27 pm

ONT

KOA

13h 46m

1 stop

6:00 am - 10:15 pm

KOA

ONT

14h 15m

1 stop

$318Multiple Airlines

Tue, Mar 3 - Wed, Mar 4

8:41 am - 2:47 pm

ONT

KOA

8h 06m

1 stop

9:01 pm - 8:55 pm

KOA

ONT

20h 54m

1 stop

$324Multiple Airlines

Tue, Mar 3 - Tue, Mar 10

8:41 am - 3:53 pm

ONT

KOA

9h 12m

1 stop

7:09 am - 10:15 pm

KOA

ONT

13h 06m

1 stop

$325Multiple Airlines

Tue, Feb 24 - Mon, Mar 2

10:39 am - 7:52 pm

ONT

KOA

12h 13m

1 stop

6:00 am - 9:10 pm

KOA

ONT

12h 10m

1 stop

$328Multiple Airlines

Wed, Apr 29 - Wed, May 6

6:00 am - 3:51 pm

ONT

KOA

11h 51m

1 stop

8:55 pm - 12:07 pm

KOA

ONT

13h 12m

1 stop

$332Delta

Mon, Feb 23 - Fri, Feb 27

6:00 am - 2:53 pm

ONT

KOA

11h 53m

1 stop

8:50 pm - 11:13 am

KOA

ONT

11h 23m

1 stop

$334Delta

Thu, Apr 9 - Tue, Apr 21

6:00 am - 7:03 pm

ONT

KOA

16h 03m

2 stops

8:50 pm - 11:13 am

KOA

ONT

11h 23m

1 stop

$338Delta

Wed, Apr 15 - Tue, Apr 21

6:00 am - 6:38 pm

ONT

KOA

15h 38m

2 stops

8:50 pm - 11:13 am

KOA

ONT

11h 23m

1 stop

$340Delta

Thu, Apr 9 - Tue, Apr 21

6:00 am - 6:38 pm

ONT

KOA

15h 38m

2 stops

7:40 pm - 12:23 pm

KOA

ONT

13h 43m

1 stop

$342Delta

Tue, Mar 24 - Wed, Apr 1

8:41 am - 8:23 pm

ONT

ITO

13h 42m

1 stop

8:30 pm - 8:55 pm

ITO

ONT

21h 25m

1 stop

$430Hawaiian Airlines

Fri, Mar 6 - Tue, Mar 10

Delta flights from Ontario to The Big Island

Our best Delta deals on Ontario to The Big Island flight tickets

Delta

Feb 23

ONT6:00 amOntario

11h 51m

1 stop

KOA3:51 pmKona Intl

Feb 27

KOA8:55 pmKona Intl

13h 12m

1 stop

ONT12:07 pmOntario

$332

Delta

Apr 9

ONT6:00 amOntario

11h 53m

1 stop

KOA2:53 pmKona Intl

Apr 21

KOA8:50 pmKona Intl

11h 23m

1 stop

ONT11:13 amOntario

$334

Delta

Apr 15

ONT6:00 amOntario

16h 03m

2 stops

KOA7:03 pmKona Intl

Apr 21

KOA8:50 pmKona Intl

11h 23m

1 stop

ONT11:13 amOntario

$338

Alaska Airlines flights from Ontario to The Big Island

Our best Alaska Airlines deals on Ontario to The Big Island flight tickets

Alaska Airlines

Mar 1

ONT6:14 amOntario

12h 59m

1 stop

KOA5:13 pmKona Intl

Mar 6

KOA10:17 pmKona Intl

10h 51m

1 stop

ONT11:08 amOntario

$377

Alaska Airlines

May 18

ONT6:00 amOntario

11h 46m

1 stop

KOA2:46 pmKona Intl

May 22

KOA9:25 pmKona Intl

10h 42m

1 stop

ONT11:07 amOntario

$412

Alaska Airlines

May 14

ONT12:01 pmOntario

9h 49m

1 stop

KOA6:50 pmKona Intl

May 22

KOA9:25 pmKona Intl

10h 42m

1 stop

ONT11:07 amOntario

$413

Fly from

Fly to

Route

Depart

Return

Price

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 3/3

8:41 am-8:27 pm

1 stop13h 46m

Kona Intl

Wed 3/4

6:00 am-10:15 pm

1 stop14h 15m

$318

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 3/3

8:41 am-2:47 pm

1 stop8h 06m

Kona Intl

Tue 3/10

9:01 pm-8:55 pm

1 stop20h 54m

$324

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 2/24

8:41 am-3:53 pm

1 stop9h 12m

Kona Intl

Mon 3/2

7:09 am-10:15 pm

1 stop13h 06m

$325

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Wed 4/29

10:39 am-7:52 pm

1 stop12h 13m

Kona Intl

Wed 5/6

6:00 am-9:10 pm

1 stop12h 10m

$328

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 2/23

6:00 am-3:51 pm

1 stop11h 51m

Kona Intl

Fri 2/27

8:55 pm-12:07 pm

1 stop13h 12m

$332

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 4/9

6:00 am-2:53 pm

1 stop11h 53m

Kona Intl

Tue 4/21

8:50 pm-11:13 am

1 stop11h 23m

$334

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Wed 4/15

6:00 am-7:03 pm

2 stops16h 03m

Kona Intl

Tue 4/21

8:50 pm-11:13 am

1 stop11h 23m

$338

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 4/9

6:00 am-6:38 pm

2 stops15h 38m

Kona Intl

Tue 4/21

8:50 pm-11:13 am

1 stop11h 23m

$340

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 3/24

6:00 am-6:38 pm

2 stops15h 38m

Kona Intl

Wed 4/1

7:40 pm-12:23 pm

1 stop13h 43m

$342

OntarioHilo

ONT - ITO

ONTITO

Ontario

Fri 3/6

8:41 am-8:23 pm

1 stop13h 42m

Hilo Intl

Tue 3/10

8:30 pm-8:55 pm

1 stop21h 25m

$430

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 The Big Island

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 The Big Island?

The month of January is, on average, the cheapest month to fly to The Big Island from Ontario, with most prices found around $370. If you’re not able to fly to The Big Island in January, then December is your next best option. Flight prices from Ontario to The Big Island during December average around $390.

How far in advance should I book a flight to The Big Island?

You are more likely to see cheaper flights to The Big Island from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to The Big Island for around $472 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to The Big Island from Ontario for as low as $383 on momondo.

Can stopping save me money on Ontario to The Big Island flights?

No. A direct flight is the cheapest option for a flight between Ontario to The Big Island.

Cheap Ontario to The Big Island flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to The Big Island

Fastest flight time	7h 47m
Direct flights	None

The fastest flight from Ontario to The Big Island takes 7h 47m

There are no direct flights from Ontario to The Big Island. There are no popular flight routes from Ontario to The Big Island.

Search flight deals

When did momondo last update prices for flights from Ontario Airport to The Big Island?
Prices for flights from Ontario Airport to The Big Island are updated daily.
How many operators does momondo search for flights from Ontario Airport to The Big Island?
As of January 2026, there are 5 operators available to choose from for flights from Ontario Airport to The Big Island.
How old do you have to be to fly from Ontario Airport to The Big Island?
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 Ontario Airport to The Big Island.
What documentation or ID do you need to fly to The Big Island?
The required travel and health documents for your The Big Island trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at The Big Island. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ontario to The Big Island?
Based on momondo bookings for flights between Ontario and The Big Island, the leading plane model is Airbus A320neo, making up 12.21% of the total bookings. Other popular models include Airbus A321neo with 11.28%, Airbus A320-100/200 with 11.00%, and Boeing 737 MAX 8 with 9.97%.

Best airlines flying from Ontario to The Big Island

Compare and see reviews for airlines that fly from Ontario to The Big Island with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $154	Free Cancellation	Rating 7.9 8,111 reviews	Search Delta flights
United Airlines	PriceFrom $277	Free Cancellation	Rating 7.4 9,199 reviews	Search United Airlines flights
Southwest	PriceFrom $277	Free Cancellation	Rating 8.0 4,268 reviews	Search Southwest flights
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.2 11,189 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $337	Free Cancellation	Rating 8.0 11,792 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to The Big Island?

It is quick and easy to find Ontario to The Big Island 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 The Big Island that suits you.

Can I find flights from Ontario to The Big Island with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to The Big Island flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to The Big Island?

Once you have performed a search for Ontario to The Big Island flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to The Big Island from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.