What airlines fly to The Big Island?

Alaska Airlines, United Airlines and American Airlines are the top three most popular airlines that fly to The Big Island from Ontario according to our data. Alaska Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to The Big Island. Keep in mind that there are 7 different airlines that fly to The Big Island on a routine basis, so you have a few additional options to choose from.

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

Alaska Airlines and Delta are the most popular carriers operating from Ontario to The Big Island

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 March 2026, there are 4 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.

$164 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.

7:00 am - 7:03 pm

ONT

KOA

15h 03m

1 stop

8:55 pm - 12:35 pm

KOA

ONT

12h 40m

1 stop

$332Delta

Mon, May 4 - Wed, May 13

11:53 am - 7:03 pm

ONT

KOA

10h 10m

1 stop

8:50 pm - 1:39 pm

KOA

ONT

13h 49m

1 stop

$336Delta

Mon, Apr 27 - Mon, May 4

6:00 am - 7:03 pm

ONT

KOA

16h 03m

2 stops

8:55 pm - 12:35 pm

KOA

ONT

12h 40m

1 stop

$338Delta

Wed, May 6 - Wed, May 13

7:00 am - 7:03 pm

ONT

KOA

15h 03m

1 stop

8:55 pm - 4:17 pm

KOA

ONT

16h 22m

2 stops

$340Delta

Mon, May 4 - Mon, May 11

6:00 am - 7:03 pm

ONT

KOA

16h 03m

2 stops

8:50 pm - 11:13 am

KOA

ONT

11h 23m

1 stop

$342Delta

Mon, Apr 27 - Mon, May 4

6:00 am - 7:03 pm

ONT

KOA

16h 03m

2 stops

8:55 pm - 4:17 pm

KOA

ONT

16h 22m

2 stops

$345Delta

Mon, May 4 - Mon, May 11

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

Tue, Sep 8 - Tue, Sep 15

8:00 am - 6:10 pm

ONT

ITO

13h 10m

1 stop

6:55 pm - 8:55 am

ITO

ONT

11h 00m

2 stops

$493Southwest

Tue, Aug 11 - Mon, Aug 17

6:50 am - 6:10 pm

ONT

ITO

14h 20m

2 stops

8:45 pm - 8:55 am

ITO

ONT

9h 10m

1 stop

$498Southwest

Tue, Aug 11 - Mon, Aug 17

6:00 am - 6:10 pm

ONT

ITO

15h 10m

2 stops

8:45 pm - 10:25 am

ITO

ONT

10h 40m

2 stops

$503Southwest

Tue, Aug 11 - Mon, Aug 17

United Airlines flights from Ontario to The Big Island

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

United Airlines

May 12

ONT6:00 amOntario

7h 47m

1 stop

KOA10:47 amKona Intl

May 17

KOA11:04 pmKona Intl

7h 37m

1 stop

ONT9:41 amOntario

$396

United Airlines

Mar 30

ONT1:27 pmOntario

9h 15m

1 stop

KOA7:42 pmKona Intl

Apr 6

KOA10:48 pmKona Intl

8h 08m

1 stop

ONT9:56 amOntario

$586

United Airlines

Mar 22

ONT6:15 amOntario

8h 44m

1 stop

KOA11:59 amKona Intl

Mar 28

KOA1:30 pmKona Intl

7h 29m

1 stop

ONT11:59 pmOntario

$604

Alaska Airlines flights from Ontario to The Big Island

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

Alaska Airlines

May 6

ONT10:39 amOntario

12h 13m

1 stop

KOA7:52 pmKona Intl

May 11

KOA10:36 amKona Intl

10h 12m

1 stop

ONT11:48 pmOntario

$370

Alaska Airlines

May 6

ONT10:39 amOntario

12h 13m

1 stop

KOA7:52 pmKona Intl

May 11

KOA10:36 amKona Intl

10h 12m

1 stop

ONT11:48 pmOntario

$376

Alaska Airlines

May 5

ONT10:39 amOntario

12h 13m

1 stop

KOA7:52 pmKona Intl

May 12

KOA10:36 amKona Intl

10h 12m

1 stop

ONT11:48 pmOntario

$380

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 5/4

7:00 am-7:03 pm

1 stop15h 03m

Kona Intl

Wed 5/13

8:55 pm-12:35 pm

1 stop12h 40m

$332

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 4/27

11:53 am-7:03 pm

1 stop10h 10m

Kona Intl

Mon 5/4

8:50 pm-1:39 pm

1 stop13h 49m

$336

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Wed 5/6

6:00 am-7:03 pm

2 stops16h 03m

Kona Intl

Wed 5/13

8:55 pm-12:35 pm

1 stop12h 40m

$338

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 5/4

7:00 am-7:03 pm

1 stop15h 03m

Kona Intl

Mon 5/11

8:55 pm-4:17 pm

2 stops16h 22m

$340

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 4/27

6:00 am-7:03 pm

2 stops16h 03m

Kona Intl

Mon 5/4

8:50 pm-11:13 am

1 stop11h 23m

$342

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 5/4

6:00 am-7:03 pm

2 stops16h 03m

Kona Intl

Mon 5/11

8:55 pm-4:17 pm

2 stops16h 22m

$345

Quickest round-trip

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 9/8

8:00 am-12:56 pm

1 stop7h 56m

Hilo Intl

Tue 9/15

9:46 am-9:28 pm

1 stop8h 42m

$451

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 8/11

8:00 am-6:10 pm

1 stop13h 10m

Hilo Intl

Mon 8/17

6:55 pm-8:55 am

2 stops11h 00m

$493

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 8/11

6:50 am-6:10 pm

2 stops14h 20m

Hilo Intl

Mon 8/17

8:45 pm-8:55 am

1 stop9h 10m

$498

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 8/11

6:00 am-6:10 pm

2 stops15h 10m

Hilo Intl

Mon 8/17

8:45 pm-10:25 am

2 stops10h 40m

$503

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 $369. 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 $494 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 March 2026, there are 4 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 A321neo, making up 14.29% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 11.19%, Boeing 737 MAX 8 with 10.96%, and Airbus A320neo with 10.66%.

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 8,292 reviews	Search Delta flights
United Airlines	PriceFrom $277	Free Cancellation	Rating 7.4 9,430 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $317	Free Cancellation	Rating 7.9 12,052 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $381	Free Cancellation	Rating 8.0 4,319 reviews	Search Southwest 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.