Cheap flights from Ontario (ONT) to The Big Island from $99

This is the cheapest one-way flight price, found on 9/26. Prices may vary by date and flight preferences.
ONT — KOA
Oct 2 — Oct 92

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 5% on flights from Ontario to The Big Island compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $378. For sooner than that we have options available in the next 3 days from $378.

What is the cheapest month to fly from Ontario to The Big Island?

Flights from Ontario to The Big Island lean towards being more expensive in July. Prices are generally better when you fly from Ontario to The Big Island in January, with the cheapest ticket starting at $188.

When is the cheapest time to fly from Ontario to The Big Island (ONT - FUI)?

When flying from Ontario to The Big Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Hawaiian Airlines flights from Ontario to The Big Island

Check out some of the cheapest Hawaiian Airlines flights we've come across from Ontario to The Big Island. It's recommended that users confirm their flight details before booking.

Cheap United Airlines flights from Ontario to The Big Island

Take a gander at the lowest prices we've found on United Airlines flights from Ontario to The Big Island. Deals frequently update to provide users with more options.

Cheap Ontario to The Big Island flights in September & October 2023

The best prices found for ONT to The Big Island flights for September, October
The lowest fares we've come across on flights traveling from Ontario to The Big Island in September and October 2023. For more flight deals, be sure to check back very soon.

Ontario to The Big Island 2023 flight deals

Cheap flights to The Big Island from Ontario found for this year
The lowest fares we've come across on flights traveling from Ontario to The Big Island in September and October 2023. For more flight deals, be sure to check back very soon.

Ontario to The Big Island flights leaving soon

Late deals on return flights to The Big Island from Ontario, departing today and this week
Book one of these great deals on flights from Ontario to The Big Island. Tip: verify your flight details before completing your reservation.

One-way flights to The Big Island from Ontario

The cheapest one-way flights from Ontario to The Big Island
Some of the best available deals we've found on one-way flights from Ontario to The Big Island. Users needing a return flight from Ontario to The Big Island should utilize the search form above.

Find flights from Ontario to The Big Island within your budget

Use the slider to find flights from Ontario to The Big Island that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$145 - $359

Route

Depart

Return

Price

OntarioKona Intl

ONT - KOA

ONTKOA

Ontario

Mon 1/22

1 stop10h 20m

Kona Intl

Fri 1/26

1 stop9h 15m

OntarioKona Intl

ONT - KOA

ONTKOA

Ontario

Fri 2/23

1 stop10h 20m

Kona Intl

Mon 2/26

1 stop8h 06m

OntarioKona Intl

ONT - KOA

ONTKOA

Ontario

Sun 1/21

1 stop8h 27m

Kona Intl

Thu 1/25

1 stop9h 50m

OntarioKona Intl

ONT - KOA

ONTKOA

Ontario

Thu 11/30

1 stop8h 54m

Kona Intl

Wed 12/6

1 stop12h 45m

OntarioKona Intl

ONT - KOA

ONTKOA

Ontario

Wed 12/13

1 stop14h 53m

Kona Intl

Wed 12/13

1 stop9h 45m

OntarioKona Intl

ONT - KOA

ONTKOA

Ontario

Fri 12/1

1 stop14h 48m

Kona Intl

Mon 12/11

2 stops13h 07m

OntarioKona Intl

ONT - KOA

ONTKOA

Ontario

Wed 10/25

1 stop8h 20m

Kona Intl

Mon 10/30

1 stop8h 04m

OntarioKona Intl

ONT - KOA

ONTKOA

Ontario

Tue 11/28

1 stop10h 56m

Kona Intl

Sat 12/2

1 stop19h 02m

OntarioKona Intl

ONT - KOA

ONTKOA

Ontario

Thu 10/19

1 stop12h 30m

Kona Intl

Mon 10/23

1 stop14h 29m

Flights are sorted by cheapest first

Deals found on 9/26

Reviews of airlines servicing The Big Island

Get a feel of what it's like to fly with Hawaiian Airlines, United Airlines and Delta from Ontario to The Big Island by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Food

7.2

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The alaska crew out of Paine field was exceptional! It was the first time I have flown out of this airport. The only thing that was harder is that our flight was delayed 3 hours out of Phoenix.

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Food

7.2

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The alaska crew out of Paine field was exceptional! It was the first time I have flown out of this airport. The only thing that was harder is that our flight was delayed 3 hours out of Phoenix.

Delta
7.9
Good
3,021 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Food

7.2

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The alaska crew out of Paine field was exceptional! It was the first time I have flown out of this airport. The only thing that was harder is that our flight was delayed 3 hours out of Phoenix.

Hawaiian Airlines
7.7
Good
782 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Food

7.2

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The alaska crew out of Paine field was exceptional! It was the first time I have flown out of this airport. The only thing that was harder is that our flight was delayed 3 hours out of Phoenix.

United Airlines
7.4
Good
1,890 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Food

7.2

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The alaska crew out of Paine field was exceptional! It was the first time I have flown out of this airport. The only thing that was harder is that our flight was delayed 3 hours out of Phoenix.

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Food

7.2

Boarding

8.3

Comfort

8.0

Entertainment

7.2

Crew

8.6

Reviews

1 / 10

The alaska crew out of Paine field was exceptional! It was the first time I have flown out of this airport. The only thing that was harder is that our flight was delayed 3 hours out of Phoenix.

Related info for your journey

Useful info, stats and facts about Ontario to The Big Island flights.

What airport do you fly from for flights from Ontario to The Big Island?

Most people fly from Ontario (ONT) if they book a flight from Ontario to The Big Island. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

Can I find flights from Ontario to The Big Island for under $200 on Cheapflights?

Yes, there are multiple flights from Ontario to The Big Island for under $200. The cheapest flight booked recently is on Hawaiian Airlines for just $145, but on average you can expect to pay $248.

Are there last-minute flights available from Ontario to The Big Island for under $400?

There are currently 20+ open flights from Ontario to The Big Island within the next 7 days for less than $400.

What are the cheapest airlines to fly from Ontario to The Big Island one-way?

To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $99. American Airlines flights start at $154 while deals on United Airlines start at $164 one-way.

What are the most popular routes from Ontario to The Big Island?

What are the most popular airlines that fly from Ontario to The Big Island?

What does ONT to KOA mean?

This is defined as Ontario Airport (ONT) and Kona Intl Airport (KOA). Codes like Kona Intl Airport are often used to just call airports uniquely. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Hilo Intl Airport (ITO), Waimea (Kamuela) Waimea Kohala Airport (MUE), Hawi Upolu Point Airport (UPP), Waikoloa Village Airport (WKL).

Alternative routes for Ontario to The Big Island

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Ontario to The Big Island

The chart below displays the airlines Cheapflights users traveling from Ontario to The Big Island choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$165Average$360FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$168Average$398FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Hawaiian AirlinesCheapest$222Average$485FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
Alaska AirlinesCheapest$229Average$500FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapest$318Average$415FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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What makes Cheapflights the go-to destination for all your flight needs

How does Cheapflights help users find flights from Ontario to The Big Island?

Cheapflights helps you search for flights from Ontario to The Big Island via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Ontario to The Big Island?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to The Big Island from Ontario.

Can Cheapflights find flights from Ontario to The Big Island with no change fees?

Yes, we can. To see specific flights from Ontario to The Big Island with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to The Big Island become cheaper?

Yes, Cheapflights has a feature called Price Alert, which essentially offers users the ability to be notified when flight prices change. Track prices for your flight to The Big Island from Ontario today and book when you’re ready!

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