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 34% 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?

Delta and Alaska Airlines 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 May 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.

$172 Cheap Flights from Ontario to The Big Island in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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 - 5:51 pm

ONT

KOA

13h 51m

1 stop

9:45 pm - 11:14 am

KOA

ONT

10h 29m

1 stop

$344Delta

Tue, Sep 8 - Mon, Sep 14

7:00 am - 5:54 pm

ONT

KOA

13h 54m

1 stop

9:45 pm - 11:16 am

KOA

ONT

10h 31m

1 stop

$348Delta

Tue, Oct 13 - Sun, Oct 18

7:00 am - 5:51 pm

ONT

KOA

13h 51m

1 stop

9:45 pm - 4:14 pm

KOA

ONT

15h 29m

2 stops

$350Delta

Thu, Aug 13 - Wed, Aug 19

7:00 am - 5:51 pm

ONT

KOA

13h 51m

1 stop

9:45 pm - 4:14 pm

KOA

ONT

15h 29m

2 stops

$354Delta

Mon, Aug 17 - Sun, Aug 30

7:00 am - 5:51 pm

ONT

KOA

13h 51m

1 stop

9:45 pm - 4:14 pm

KOA

ONT

15h 29m

2 stops

$358Delta

Sat, Aug 15 - Sun, Aug 30

6:00 am - 10:51 am

ONT

KOA

7h 51m

1 stop

10:50 pm - 12:12 pm

KOA

ONT

10h 22m

1 stop

$390United Airlines

Wed, Sep 9 - Wed, Sep 16

7:10 am - 3:13 pm

ONT

ITO

11h 03m

2 stops

5:30 pm - 9:51 am

ITO

ONT

13h 21m

2 stops

$399Multiple Airlines

Sun, Sep 6 - Thu, Sep 10

7:10 am - 4:58 pm

ONT

ITO

12h 48m

2 stops

5:58 pm - 9:51 am

ITO

ONT

12h 53m

2 stops

$401Multiple Airlines

Sun, Sep 6 - Thu, Sep 10

8:00 am - 2:30 pm

ONT

ITO

9h 30m

1 stop

8:00 am - 8:10 pm

ITO

ONT

9h 10m

1 stop

$435Southwest

Tue, Sep 8 - Wed, Sep 9

5:40 am - 12:35 pm

ONT

ITO

9h 55m

1 stop

8:45 pm - 11:25 am

ITO

ONT

11h 40m

1 stop

$456Southwest

Thu, Aug 13 - Thu, Aug 20

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Alaska Airlines flights from Ontario to The Big Island

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

Alaska Airlines

Jul 28

ONT2:05 pmOntario

11h 05m

1 stop

KOA10:10 pmKona Intl

Aug 12

KOA9:19 pmKona Intl

10h 55m

1 stop

ONT11:14 amOntario

$412

Alaska Airlines

Jul 7

ONT2:05 pmOntario

11h 05m

1 stop

KOA10:10 pmKona Intl

Jul 14

KOA9:19 pmKona Intl

10h 55m

1 stop

ONT11:14 amOntario

$434

Alaska Airlines

Jul 28

ONT2:05 pmOntario

11h 05m

1 stop

KOA10:10 pmKona Intl

Aug 12

KOA9:19 pmKona Intl

10h 55m

1 stop

ONT11:14 amOntario

$436

Delta flights from Ontario to The Big Island

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

Delta

Sep 8

ONT7:00 amOntario

13h 51m

1 stop

KOA5:51 pmKona Intl

Sep 15

KOA9:45 pmKona Intl

10h 29m

1 stop

ONT11:14 amOntario

$344

Delta

Oct 13

ONT7:00 amOntario

13h 54m

1 stop

KOA5:54 pmKona Intl

Oct 18

KOA9:45 pmKona Intl

10h 31m

1 stop

ONT11:16 amOntario

$348

Delta

Aug 13

ONT7:00 amOntario

13h 51m

1 stop

KOA5:51 pmKona Intl

Aug 19

KOA9:45 pmKona Intl

15h 29m

2 stops

ONT4:14 pmOntario

$350

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 9/8

7:00 am-5:51 pm

1 stop13h 51m

Kona Intl

Mon 9/14

9:45 pm-11:14 am

1 stop10h 29m

$344

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 10/13

7:00 am-5:54 pm

1 stop13h 54m

Kona Intl

Sun 10/18

9:45 pm-11:16 am

1 stop10h 31m

$348

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 8/13

7:00 am-5:51 pm

1 stop13h 51m

Kona Intl

Wed 8/19

9:45 pm-4:14 pm

2 stops15h 29m

$350

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 8/17

7:00 am-5:51 pm

1 stop13h 51m

Kona Intl

Sun 8/30

9:45 pm-4:14 pm

2 stops15h 29m

$354

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Sat 8/15

7:00 am-5:51 pm

1 stop13h 51m

Kona Intl

Sun 8/30

9:45 pm-4:14 pm

2 stops15h 29m

$358

Quickest round-trip

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Wed 9/9

6:00 am-10:51 am

1 stop7h 51m

Kona Intl

Wed 9/16

10:50 pm-12:12 pm

1 stop10h 22m

$390

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sun 9/6

7:10 am-3:13 pm

2 stops11h 03m

Hilo Intl

Thu 9/10

5:30 pm-9:51 am

2 stops13h 21m

$399

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sun 9/6

7:10 am-4:58 pm

2 stops12h 48m

Hilo Intl

Thu 9/10

5:58 pm-9:51 am

2 stops12h 53m

$401

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 9/8

8:00 am-2:30 pm

1 stop9h 30m

Hilo Intl

Wed 9/9

8:00 am-8:10 pm

1 stop9h 10m

$435

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 8/13

5:40 am-12:35 pm

1 stop9h 55m

Hilo Intl

Thu 8/20

8:45 pm-11:25 am

1 stop11h 40m

$456

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 October is, on average, the cheapest month to fly to The Big Island from Ontario, with most prices found around $137. If you’re not able to fly to The Big Island in October, then July is your next best option. Flight prices from Ontario to The Big Island during July average around $154.

How far in advance should I book a flight from Ontario 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 $477 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 $384 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 40m
Direct flights	None

The fastest flight from Ontario to The Big Island takes 7h 40m

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

Frequently asked questions about flying 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 May 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 13.36% of the total bookings. Other popular models include Boeing 737 MAX 8 with 12.73%, Boeing 737-800 Passenger/BBJ2 (winglets) with 11.01%, and Airbus A320neo with 10.46%.

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 8,465 reviews	Search Delta flights
Alaska Airlines	PriceFrom $317	Free Cancellation	Rating 7.9 12,319 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $334	Free Cancellation	Rating 7.4 9,677 reviews	Search United Airlines flights
Southwest	PriceFrom $381	Free Cancellation	Rating 8.0 4,317 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.