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Cheap flights from Ontario to The Big Island from $176

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.
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Find the cheapest flights from Ontario to The Big Island

Cheap round-trip flights

Alaska Airlines Logo
9:50 am - 5:21 pmONT-KOA
9h 31m1 stop
Alaska Airlines Logo
6:00 am - 9:55 pmKOA-ONT
13h 55m1 stop
$352Alaska Airlines
Find Deal
週日, 1月 11 - 週四, 1月 15
Alaska Airlines Logo
9:50 am - 5:21 pmONT-KOA
9h 31m1 stop
Alaska Airlines Logo
10:00 pm - 10:39 amKOA-ONT
10h 39m1 stop
$357Alaska Airlines
Find Deal
週三, 2月 11 - 週四, 2月 26
Delta Logo
6:00 am - 5:34 pmONT-KOA
14h 34m1 stop
Delta Logo
9:30 pm - 11:09 amKOA-ONT
10h 39m1 stop
$361Delta
Find Deal
週二, 9月 9 - 週五, 9月 19
Delta Logo
6:00 am - 5:34 pmONT-KOA
14h 34m1 stop
Delta Logo
9:30 pm - 12:17 pmKOA-ONT
11h 47m2 stops
$366Delta
Find Deal
週二, 9月 9 - 週三, 9月 17
Southwest Logo
5:45 am - 12:10 pmONT-KOA
9h 25m1 stop
Southwest Logo
8:30 pm - 1:20 pmKOA-ONT
13h 50m1 stop
$379Southwest
Find Deal
週三, 9月 17 - 週一, 9月 22
Southwest Logo
5:20 am - 1:00 pmONT-KOA
10h 40m2 stops
Southwest Logo
6:55 pm - 9:15 amKOA-ONT
12h 20m2 stops
$400Southwest
Find Deal
週一, 10月 27 - 週一, 11月 3
Hawaiian Airlines Logo
9:45 am - 4:56 pmONT-ITO
10h 11m1 stop
Hawaiian Airlines Logo
7:45 am - 5:14 pmITO-ONT
7h 29m1 stop
$413Hawaiian Airlines
Find Deal
週一, 10月 27 - 週一, 11月 3
Hawaiian Airlines Logo
9:45 am - 2:42 pmONT-ITO
7h 57m1 stop
Hawaiian Airlines Logo
6:00 am - 5:14 pmITO-ONT
8h 14m1 stop
$507Hawaiian Airlines
Find Deal
週一, 10月 27 - 週四, 10月 30
United Airlines Logo
6:00 am - 5:50 pmONT-ITO
13h 50m2 stops
United Airlines Logo
8:37 am - 12:25 amITO-ONT
13h 48m2 stops
$784United Airlines
Find Deal
週二, 12月 30 - 週二, 1月 20
United Airlines Logo
1:40 pm - 8:28 pmONT-ITO
32h 48m2 stops
United Airlines Logo
7:44 pm - 7:41 pmITO-ONT
21h 57m2 stops
$1,036United Airlines
Find Deal
週日, 11月 23 - 週四, 11月 27

Delta flights from Ontario to The Big Island

Our best Delta deals on Ontario to The Big Island flight tickets
Delta
Sep 9
ONT6:00 amOntario
14h 34m
1 stop
KOA5:34 pmKona Intl
Sep 19
KOA9:30 pmKona Intl
10h 39m
1 stop
ONT11:09 amOntario
$361
Find similar
Delta
Sep 9
ONT6:00 amOntario
14h 34m
1 stop
KOA5:34 pmKona Intl
Sep 17
KOA9:30 pmKona Intl
11h 47m
2 stops
ONT12:17 pmOntario
$366
Find similar
Delta
Sep 8
ONT6:00 amOntario
14h 34m
1 stop
KOA5:34 pmKona Intl
Sep 16
KOA9:30 pmKona Intl
10h 39m
1 stop
ONT11:09 amOntario
$367
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
Jan 11
ONT9:50 amOntario
9h 31m
1 stop
KOA5:21 pmKona Intl
Jan 15
KOA6:00 amKona Intl
13h 55m
1 stop
ONT9:55 pmOntario
$352
Find similar
Alaska Airlines
Feb 11
ONT9:50 amOntario
9h 31m
1 stop
KOA5:21 pmKona Intl
Feb 26
KOA10:00 pmKona Intl
10h 39m
1 stop
ONT10:39 amOntario
$357
Find similar
Alaska Airlines
Jan 29
ONT9:50 amOntario
8h 36m
1 stop
KOA4:26 pmKona Intl
Feb 6
KOA10:00 pmKona Intl
10h 39m
1 stop
ONT10:39 amOntario
$363
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 8月 18, 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

週日 1/11

9:50 am-5:21 pm

1 stop9h 31m

Kona Intl

週四 1/15

6:00 am-9:55 pm

1 stop13h 55m

$352

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

週三 2/11

9:50 am-5:21 pm

1 stop9h 31m

Kona Intl

週四 2/26

10:00 pm-10:39 am

1 stop10h 39m

$357

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

週二 9/9

6:00 am-5:34 pm

1 stop14h 34m

Kona Intl

週五 9/19

9:30 pm-11:09 am

1 stop10h 39m

$361

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

週二 9/9

6:00 am-5:34 pm

1 stop14h 34m

Kona Intl

週三 9/17

9:30 pm-12:17 pm

2 stops11h 47m

$366

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

週三 9/17

5:45 am-12:10 pm

1 stop9h 25m

Kona Intl

週一 9/22

8:30 pm-1:20 pm

1 stop13h 50m

$379

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

週一 10/27

5:20 am-1:00 pm

2 stops10h 40m

Kona Intl

週一 11/3

6:55 pm-9:15 am

2 stops12h 20m

$400

OntarioHilo

ONT - ITO

ONTITO

Ontario

週一 10/27

9:45 am-4:56 pm

1 stop10h 11m

Hilo Intl

週一 11/3

7:45 am-5:14 pm

1 stop7h 29m

$413

OntarioHilo

ONT - ITO

ONTITO

Ontario

週一 10/27

9:45 am-2:42 pm

1 stop7h 57m

Hilo Intl

週四 10/30

6:00 am-5:14 pm

1 stop8h 14m

$507

OntarioHilo

ONT - ITO

ONTITO

Ontario

週二 12/30

6:00 am-5:50 pm

2 stops13h 50m

Hilo Intl

週二 1/20

8:37 am-12:25 am

2 stops13h 48m

$784

OntarioHilo

ONT - ITO

ONTITO

Ontario

週日 11/23

1:40 pm-8:28 pm

2 stops32h 48m

Hilo Intl

週四 11/27

7:44 pm-7:41 pm

2 stops21h 57m

$1,036

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 $368. 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 $465 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

Best Price Found

$176

Fastest flight time

7h 48m

Direct flights

None

Airports in The Big Island

2 airports
The best one-way flight to The Big Island from Ontario in the past 72 hours is $176. The best round-trip flight deal from Ontario to The Big Island found on momondo in the last 72 hours is $352.
The fastest flight from Ontario to The Big Island takes 7h 48m
There are no direct flights from Ontario to The Big Island. Popular non-direct routes for this connection are Ontario Airport - Hilo Intl Airport and Ontario Airport - Kona Intl Airport.
There are 2 airports near The Big Island: Hilo Intl (ITO), Kona Intl (KOA)
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
8.0
7,981 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $232Free CancellationRating
7.8
2,664 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $265Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
SouthwestPriceFrom $277Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $340Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $348Free CancellationRating
8.0
10,000 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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