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Cheap flights from Ontario to The Big Island from $114

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to The Big Island departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to The Big Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
7:00 am - 1:15 pmONT-KOA
8h 15m1 stop
Southwest Logo
10:00 am - 7:35 pmKOA-ONT
7h 35m1 stop
$255Southwest
Find Deal
Tue, Jan 13 - Wed, Jan 28
Southwest Logo
7:00 am - 1:15 pmONT-KOA
8h 15m1 stop
Southwest Logo
9:25 pm - 10:05 amKOA-ONT
10h 40m1 stop
$259Southwest
Find Deal
Tue, Jan 13 - Wed, Jan 28
Southwest Logo
7:00 am - 1:15 pmONT-KOA
8h 15m1 stop
Southwest Logo
9:25 pm - 10:25 amKOA-ONT
11h 00m2 stops
$260Southwest
Find Deal
Tue, Jan 13 - Wed, Jan 28
American Airlines Logo
6:15 am - 4:14 pmONT-KOA
11h 59m1 stop
American Airlines Logo
10:30 pm - 8:43 amKOA-ONT
8h 13m1 stop
$297American Airlines
Find Deal
Tue, Feb 17 - Thu, Feb 26
Alaska Airlines Logo
8:41 am - 3:53 pmONT-KOA
9h 12m1 stop
Alaska Airlines Logo
12:30 pm - 10:15 pmKOA-ONT
7h 45m1 stop
$301Alaska Airlines
Find Deal
Wed, Feb 25 - Mon, Mar 2
Alaska Airlines Logo
8:13 am - 4:00 pmONT-KOA
9h 47m1 stop
Alaska Airlines Logo
9:10 pm - 10:59 amKOA-ONT
11h 49m1 stop
$303Alaska Airlines
Find Deal
Tue, Jan 13 - Wed, Jan 21
Hawaiian Airlines Logo
8:13 am - 4:13 pmONT-ITO
10h 00m1 stop
Hawaiian Airlines Logo
12:09 pm - 10:28 pmITO-ONT
8h 19m1 stop
$441Hawaiian Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 14
Hawaiian Airlines Logo
8:13 am - 4:13 pmONT-ITO
10h 00m1 stop
Hawaiian Airlines Logo
12:09 pm - 10:28 pmITO-ONT
8h 19m1 stop
$461Hawaiian Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 14
Multiple Airlines Logo
1:26 pm - 6:53 amONT-MUE
19h 27m2 stops
Multiple Airlines Logo
7:17 am - 12:14 amMUE-ONT
14h 57m2 stops
$857Multiple Airlines
Find Deal
Wed, Dec 17 - Sun, Dec 21
Multiple Airlines Logo
12:48 pm - 6:52 amONT-MUE
20h 04m2 stops
Multiple Airlines Logo
7:17 am - 10:08 pmMUE-ONT
12h 51m2 stops
$877Multiple Airlines
Find Deal
Wed, Dec 24 - Tue, Dec 30

Delta flights from Ontario to The Big Island

Our best Delta deals on Ontario to The Big Island flight tickets
Delta
Feb 19
ONT7:30 amOntario
13h 00m
2 stops
KOA6:30 pmKona Intl
Feb 25
KOA8:59 pmKona Intl
13h 08m
2 stops
ONT12:07 pmOntario
$316
Find similar
Delta
Feb 4
ONT6:00 amOntario
15h 57m
2 stops
KOA7:57 pmKona Intl
Feb 10
KOA10:55 pmKona Intl
15h 20m
2 stops
ONT4:15 pmOntario
$318
Find similar
Delta
Dec 23
ONT6:00 amOntario
11h 48m
1 stop
KOA3:48 pmKona Intl
Jan 11
KOA8:45 pmKona Intl
15h 11m
1 stop
ONT1:56 pmOntario
$319
Find similar

Alaska Airlines flights from Ontario to The Big Island

Our best Alaska Airlines deals on Ontario to The Big Island flight tickets
Alaska Airlines
Feb 25
ONT8:41 amOntario
9h 12m
1 stop
KOA3:53 pmKona Intl
Mar 2
KOA12:30 pmKona Intl
7h 45m
1 stop
ONT10:15 pmOntario
$301
Find similar
Alaska Airlines
Jan 13
ONT8:13 amOntario
9h 47m
1 stop
KOA4:00 pmKona Intl
Jan 21
KOA9:10 pmKona Intl
11h 49m
1 stop
ONT10:59 amOntario
$303
Find similar
Alaska Airlines
Feb 5
ONT8:13 amOntario
9h 47m
1 stop
KOA4:00 pmKona Intl
Feb 10
KOA12:51 pmKona Intl
7h 37m
1 stop
ONT10:28 pmOntario
$305
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to The Big Island that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 3, 2025.
Use the filters below to find and compare flights from Ontario to The Big Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 1/13

7:00 am-1:15 pm

1 stop8h 15m

Kona Intl

Wed 1/28

10:00 am-7:35 pm

1 stop7h 35m

$255

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 1/13

7:00 am-1:15 pm

1 stop8h 15m

Kona Intl

Wed 1/28

9:25 pm-10:05 am

1 stop10h 40m

$259

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 1/13

7:00 am-1:15 pm

1 stop8h 15m

Kona Intl

Wed 1/28

9:25 pm-10:25 am

2 stops11h 00m

$260

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 2/17

6:15 am-4:14 pm

1 stop11h 59m

Kona Intl

Thu 2/26

10:30 pm-8:43 am

1 stop8h 13m

$297

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Wed 2/25

8:41 am-3:53 pm

1 stop9h 12m

Kona Intl

Mon 3/2

12:30 pm-10:15 pm

1 stop7h 45m

$301

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 1/13

8:13 am-4:00 pm

1 stop9h 47m

Kona Intl

Wed 1/21

9:10 pm-10:59 am

1 stop11h 49m

$303

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 1/12

8:13 am-4:13 pm

1 stop10h 00m

Hilo Intl

Wed 1/14

12:09 pm-10:28 pm

1 stop8h 19m

$441

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 1/12

8:13 am-4:13 pm

1 stop10h 00m

Hilo Intl

Wed 1/14

12:09 pm-10:28 pm

1 stop8h 19m

$461

OntarioWaimea (Big Island)

ONT - MUE

ONTMUE

Ontario

Wed 12/17

1:26 pm-6:53 am

2 stops19h 27m

Waimea (Big Island) Waimea Kohala

Sun 12/21

7:17 am-12:14 am

2 stops14h 57m

$857

OntarioWaimea (Big Island)

ONT - MUE

ONTMUE

Ontario

Wed 12/24

12:48 pm-6:52 am

2 stops20h 04m

Waimea (Big Island) Waimea Kohala

Tue 12/30

7:17 am-10:08 pm

2 stops12h 51m

$877

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to The Big Island from

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

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

The month of April is, on average, the cheapest month to fly to The Big Island from Ontario, with most prices found around $346. If you’re not able to fly to The Big Island in April, then February is your next best option. Flight prices from Ontario to The Big Island during February average around $375.

What is the cheapest day to depart on your flight to The Big Island?

The cheapest day to depart from Ontario to The Big Island is on a Sunday when prices can be found for as low as $376. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to The Big Island for around $506.

What is the cheapest time of day to depart on your flight to The Big Island?

The cheapest time of day to fly to The Big Island is in the afternoon when flights can be purchased for as low as $104. Flights to The Big Island are more costly at noon, with an average ticket price of $462. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $458 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 $318 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 56m

Direct flights

None
The fastest flight from Ontario to The Big Island takes 7h 56m
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?

  • 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?

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
DeltaPriceFrom $220Free CancellationRating
7.9
8,007 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $232Free CancellationRating
7.8
2,815 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $265Free CancellationRating
7.4
9,064 reviews
Search United Airlines flights
SouthwestPriceFrom $277Free CancellationRating
8.0
4,253 reviews
Search Southwest flights
American AirlinesPriceFrom $308Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $332Free CancellationRating
8.0
11,391 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.

An easier way to manage your The Big Island trip

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Find better results for your trip to The Big Island

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