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Cheap flights from Ontario to O'ahu from $144

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 O'ahu departing on 3/3. 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 O'ahu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:02 pm - 10:06 pm
ONT
-
HNL
12h 04m
1 stop
Multiple Airlines Logo
2:40 pm - 10:15 pm
HNL
-
ONT
5h 35mnonstop
$306Multiple Airlines
Wed, Feb 25 - Mon, Mar 2
Alaska Airlines Logo
8:32 am - 11:35 am
ONT
-
HNL
6h 03mnonstop
Alaska Airlines Logo
12:35 pm - 9:10 pm
HNL
-
ONT
5h 35mnonstop
$307Alaska Airlines
Thu, Apr 16 - Mon, Apr 27
Alaska Airlines Logo
8:32 am - 11:35 am
ONT
-
HNL
6h 03mnonstop
Alaska Airlines Logo
12:35 pm - 9:10 pm
HNL
-
ONT
5h 35mnonstop
$309Alaska Airlines
Thu, Apr 16 - Mon, Apr 27
Alaska Airlines Logo
8:41 am - 12:45 pm
ONT
-
HNL
6h 04mnonstop
Alaska Airlines Logo
2:40 pm - 10:15 pm
HNL
-
ONT
5h 35mnonstop
$312Alaska Airlines
Wed, Feb 25 - Tue, Mar 3
Hawaiian Airlines Logo
8:41 am - 12:45 pm
ONT
-
HNL
6h 04mnonstop
Hawaiian Airlines Logo
2:40 pm - 10:15 pm
HNL
-
ONT
5h 35mnonstop
$313Hawaiian Airlines
Mon, Feb 23 - Mon, Mar 2
American Airlines Logo
9:53 am - 7:15 pm
ONT
-
HNL
11h 22m
1 stop
American Airlines Logo
11:00 pm - 8:48 am
HNL
-
ONT
7h 48m
1 stop
$316American Airlines
Mon, Feb 23 - Mon, Mar 2
Alaska Airlines Logo
8:32 am - 11:35 am
ONT
-
HNL
6h 03mnonstop
Alaska Airlines Logo
2:25 pm - 10:59 pm
HNL
-
ONT
5h 34mnonstop
$317Alaska Airlines
Thu, Apr 16 - Tue, Apr 21
American Airlines Logo
12:18 pm - 7:15 pm
ONT
-
HNL
8h 57m
1 stop
American Airlines Logo
11:00 pm - 8:48 am
HNL
-
ONT
7h 48m
1 stop
$318American Airlines
Mon, Feb 23 - Mon, Mar 2
Alaska Airlines Logo
8:41 am - 12:45 pm
ONT
-
HNL
6h 04mnonstop
Alaska Airlines Logo
2:40 pm - 10:15 pm
HNL
-
ONT
5h 35mnonstop
$320Alaska Airlines
Tue, Feb 24 - Fri, Feb 27
Multiple Airlines Logo
12:02 pm - 10:06 pm
ONT
-
HNL
12h 04m
1 stop
Multiple Airlines Logo
2:40 pm - 10:15 pm
HNL
-
ONT
5h 35mnonstop
$321Multiple Airlines
Wed, Feb 25 - Mon, Mar 2

Alaska Airlines flights from Ontario to O'ahu

Our best Alaska Airlines deals on Ontario to O'ahu flight tickets
Alaska Airlines
Apr 16
ONT8:32 amOntario
6h 03m
HNL11:35 amHonolulu
Apr 27
HNL12:35 pmHonolulu
5h 35m
ONT9:10 pmOntario
$307
Alaska Airlines
Apr 16
ONT8:32 amOntario
6h 03m
HNL11:35 amHonolulu
Apr 27
HNL12:35 pmHonolulu
5h 35m
ONT9:10 pmOntario
$309
Alaska Airlines
Feb 25
ONT8:41 amOntario
6h 04m
HNL12:45 pmHonolulu
Mar 3
HNL2:40 pmHonolulu
5h 35m
ONT10:15 pmOntario
$312

Hawaiian Airlines flights from Ontario to O'ahu

Our best Hawaiian Airlines deals on Ontario to O'ahu flight tickets
Hawaiian Airlines
Feb 23
ONT8:41 amOntario
6h 04m
HNL12:45 pmHonolulu
Mar 2
HNL2:40 pmHonolulu
5h 35m
ONT10:15 pmOntario
$313
Hawaiian Airlines
Mar 18
ONT8:32 amOntario
6h 03m
HNL11:35 amHonolulu
Mar 23
HNL2:25 pmHonolulu
5h 34m
ONT10:59 pmOntario
$328
Hawaiian Airlines
Feb 16
ONT8:41 amOntario
6h 04m
HNL12:45 pmHonolulu
Feb 24
HNL2:40 pmHonolulu
5h 35m
ONT10:15 pmOntario
$334

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to O'ahu 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 January 26, 2026.
Use the filters below to find and compare flights from Ontario to O'ahu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 2/25

12:02 pm-10:06 pm

1 stop12h 04m

Honolulu

Mon 3/2

2:40 pm-10:15 pm

Nonstop5h 35m

$306

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 4/16

8:32 am-11:35 am

Nonstop6h 03m

Honolulu

Mon 4/27

12:35 pm-9:10 pm

Nonstop5h 35m

$307

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 4/16

8:32 am-11:35 am

Nonstop6h 03m

Honolulu

Mon 4/27

12:35 pm-9:10 pm

Nonstop5h 35m

$309

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 2/25

8:41 am-12:45 pm

Nonstop6h 04m

Honolulu

Tue 3/3

2:40 pm-10:15 pm

Nonstop5h 35m

$312

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 2/23

8:41 am-12:45 pm

Nonstop6h 04m

Honolulu

Mon 3/2

2:40 pm-10:15 pm

Nonstop5h 35m

$313

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 2/23

9:53 am-7:15 pm

1 stop11h 22m

Honolulu

Mon 3/2

11:00 pm-8:48 am

1 stop7h 48m

$316

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 4/16

8:32 am-11:35 am

Nonstop6h 03m

Honolulu

Tue 4/21

2:25 pm-10:59 pm

Nonstop5h 34m

$317

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 2/23

12:18 pm-7:15 pm

1 stop8h 57m

Honolulu

Mon 3/2

11:00 pm-8:48 am

1 stop7h 48m

$318

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 2/24

8:41 am-12:45 pm

Nonstop6h 04m

Honolulu

Fri 2/27

2:40 pm-10:15 pm

Nonstop5h 35m

$320

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 2/25

12:02 pm-10:06 pm

1 stop12h 04m

Honolulu

Mon 3/2

2:40 pm-10:15 pm

Nonstop5h 35m

$321

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 O'ahu from

How to get the cheapest flight ticket from Ontario to O'ahu

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 O'ahu?

The month of January is another great option to travel to O'ahu, with average flight prices from Ontario averaging around $391.

What is the cheapest day to depart on your flight to O'ahu?

According to our data, Monday is the cheapest day to fly to O'ahu from Ontario. The lowest ticket price found for a Monday departure recently was $502. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to O'ahu on Saturday is $574.

What is the cheapest Ontario to O'ahu flight route?

Fly from Ontario to Honolulu for the best Ontario - O'ahu flight prices

How far in advance should I book a flight to O'ahu?

You are more likely to see cheaper flights to O'ahu from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to O'ahu for around $501 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to O'ahu from Ontario for as low as $454 on momondo.

What cabin class options are available on Ontario to O'ahu flights?

There are 4 cabin classes available to choose from on Ontario to O'ahu flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ontario to O'ahu flights?

No. A direct flight is the cheapest option for a flight between Ontario to O'ahu.

Cheap Ontario to O'ahu flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to O'ahu

Best Price Found

$201

Fastest flight time

5h 50m

Direct flights

Every day

Airports in O'ahu

2 airports
The best one-way flight to O'ahu from Ontario in the past 72 hours is $201. The best round-trip flight deal from Ontario to O'ahu found on momondo in the last 72 hours is $381.
The fastest flight from Ontario to O'ahu takes 5h 50m
Direct flights go from Ontario to O'ahu every day.
There are 2 airports in O'ahu. From Ontario there are direct flights to Honolulu (HNL).
Search flight deals

  • When did momondo last update prices for flights from Ontario Airport to O'ahu?

    Prices for flights from Ontario Airport to O'ahu are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to O'ahu?

  • How old do you have to be to fly from Ontario Airport to O'ahu?

    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 O'ahu.

  • What documentation or ID do you need to fly to O'ahu?

    The required travel and health documents for your O'ahu 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 O'ahu. 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 O'ahu?

Best airlines flying from Ontario to O'ahu

Compare and see reviews for airlines that fly from Ontario to O'ahu with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $158Free CancellationRating
7.9
8,111 reviews
Search Delta flights
United AirlinesPriceFrom $208Free CancellationRating
7.4
9,199 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom $315Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
Alaska AirlinesPriceFrom $317Free CancellationRating
8.0
11,792 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $331Free CancellationRating
7.2
11,189 reviews
Search American Airlines flights
SouthwestPriceFrom $397Free CancellationRating
8.0
4,268 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to O'ahu?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to O'ahu from Ontario.

Can I find flights from Ontario to O'ahu with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to O'ahu flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to O'ahu?

momondo provides multiple filters to help you find the best flight to O'ahu from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to O'ahu right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to O'ahu flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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