How many flights depart from Ontario to O'ahu on average per day?

As of August 2026, there are 1 flights per day flying from Ontario to O'ahu. The most common time of day flights depart is 9:00AM, with 100% of flights taking off at noon.

What is the cheapest airline that flies from Ontario to O'ahu?

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Ontario to O'ahu

What airlines fly to O'ahu?

United Airlines, Alaska Airlines and American Airlines are the top three most popular airlines that fly to O'ahu from Ontario according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to O'ahu. Keep in mind that there are 7 different airlines that fly to O'ahu on a routine basis, so you have a few additional options to choose from.

How many flights depart from Ontario to O'ahu on average per week?

As of August 2026, there are 7 flights per week flying from Ontario to O'ahu. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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?

As of August 2026, there are 6 operators available to choose from 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.

$151 Cheap Flights from Ontario to O'ahu in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to O'ahu

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:20 am - 11:30 am-

6h 10mnonstop

1:50 pm - 9:32 pm-

5h 42mnonstop

$351Alaska Airlines

Mon, Nov 9 - Mon, Nov 16

7:00 am - 10:00 am-

6h 00mnonstop

1:50 pm - 9:32 pm-

5h 42mnonstop

$351Alaska Airlines

Tue, Oct 20 - Wed, Nov 18

8:00 am - 10:40 am-

5h 40mnonstop

9:00 pm - 8:55 am-

8h 55m

$352Southwest

Fri, Sep 11 - Mon, Sep 14

1:30 pm - 9:20 pm-

9h 50m

2:40 pm - 10:10 pm-

5h 30mnonstop

$352Southwest

Tue, Nov 10 - Mon, Nov 16

9:01 am - 7:48 pm-

13h 47m

7:00 am - 8:01 pm-

10h 01m

$354United Airlines

Sun, Sep 13 - Wed, Sep 23

6:00 am - 7:28 pm-

16h 28m

10:39 pm - 11:14 am-

9h 35m

$354Delta

Sun, Sep 27 - Wed, Sep 30

6:00 am - 7:48 pm-

16h 48m

9:34 pm - 12:21 pm-

11h 47m

$355Delta

Thu, Oct 22 - Mon, Oct 26

9:25 am - 4:29 pm-

10h 04m

8:00 am - 6:01 pm-

8h 01m

$356United Airlines

Thu, Oct 29 - Wed, Nov 4

6:15 am - 12:27 pm-

9h 12m

10:30 pm - 12:03 pm-

10h 33m

$356American Airlines

Mon, Aug 31 - Thu, Sep 3

6:15 am - 12:27 pm-

9h 12m

10:30 pm - 12:03 pm-

10h 33m

$360American Airlines

Tue, Aug 25 - Tue, Sep 1

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United Airlines flights from Ontario to O'ahu

Our best United Airlines deals on Ontario to O'ahu flight tickets

United Airlines

Sep 13

ONT9:01 amOntario

13h 47m

2 stops

HNL7:48 pmHonolulu

Sep 23

HNL7:00 amHonolulu

10h 01m

1 stop

ONT8:01 pmOntario

$354

United Airlines

Sep 13

ONT9:01 amOntario

13h 47m

2 stops

HNL7:48 pmHonolulu

Sep 23

HNL9:40 pmHonolulu

11h 38m

2 stops

ONT12:18 pmOntario

$359

United Airlines

Nov 14

ONT9:25 amOntario

10h 04m

1 stop

HNL5:29 pmHonolulu

Nov 21

HNL10:50 pmHonolulu

11h 39m

2 stops

ONT12:29 pmOntario

$398

Delta flights from Ontario to O'ahu

Our best Delta deals on Ontario to O'ahu flight tickets

Delta

Oct 22

ONT6:00 amOntario

16h 48m

2 stops

HNL7:48 pmHonolulu

Oct 26

HNL9:34 pmHonolulu

11h 47m

2 stops

ONT12:21 pmOntario

$355

Delta

Sep 17

ONT11:54 amOntario

10h 34m

1 stop

HNL7:28 pmHonolulu

Sep 22

HNL10:39 pmHonolulu

9h 35m

1 stop

ONT11:14 amOntario

$356

Delta

Sep 13

ONT6:00 amOntario

11h 17m

1 stop

HNL2:17 pmHonolulu

Sep 14

HNL10:39 pmHonolulu

9h 35m

1 stop

ONT11:14 amOntario

$360

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 11/9

7:20 am-11:30 am

Nonstop6h 10m

Honolulu

Mon 11/16

1:50 pm-9:32 pm

Nonstop5h 42m

$351

Quickest round-trip

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 10/20

7:00 am-10:00 am

Nonstop6h 00m

Honolulu

Wed 11/18

1:50 pm-9:32 pm

Nonstop5h 42m

$351

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Fri 9/11

8:00 am-10:40 am

Nonstop5h 40m

Honolulu

Mon 9/14

9:00 pm-8:55 am

1 stop8h 55m

$352

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 11/10

1:30 pm-9:20 pm

2 stops9h 50m

Honolulu

Mon 11/16

2:40 pm-10:10 pm

Nonstop5h 30m

$352

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sun 9/13

9:01 am-7:48 pm

2 stops13h 47m

Honolulu

Wed 9/23

7:00 am-8:01 pm

1 stop10h 01m

$354

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sun 9/27

6:00 am-7:28 pm

2 stops16h 28m

Honolulu

Wed 9/30

10:39 pm-11:14 am

1 stop9h 35m

$354

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 10/22

6:00 am-7:48 pm

2 stops16h 48m

Honolulu

Mon 10/26

9:34 pm-12:21 pm

2 stops11h 47m

$355

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 10/29

9:25 am-4:29 pm

1 stop10h 04m

Honolulu

Wed 11/4

8:00 am-6:01 pm

1 stop8h 01m

$356

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 8/31

6:15 am-12:27 pm

1 stop9h 12m

Honolulu

Thu 9/3

10:30 pm-12:03 pm

1 stop10h 33m

$356

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 8/25

6:15 am-12:27 pm

1 stop9h 12m

Honolulu

Tue 9/1

10:30 pm-12:03 pm

1 stop10h 33m

$360

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to O'ahu?

The month of February is another great option to travel to O'ahu, with average flight prices from Ontario averaging around $406.

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 $496. 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 Thursday as prices are generally higher than usual. According to our data, the average ticket price to O'ahu on Thursday is $525.

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 from Ontario 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 $495 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 $417 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	$222
Fastest flight time	5h 40m
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 $222. The best round-trip flight deal from Ontario to O'ahu found on momondo in the last 72 hours is $426.

The fastest flight from Ontario to O'ahu takes 5h 40m

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

Frequently asked questions about flying from Ontario to O'ahu

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?
As of August 2026, there are 6 operators available to choose from 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?
Based on momondo bookings for flights between Ontario and O'ahu, the leading plane model is Airbus A321neo, making up 14.83% of the total bookings. Other popular models include Airbus A320neo with 13.82%, Airbus A321-100/200 with 12.83%, and Boeing 737 MAX 8 with 10.84%.

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
Delta	PriceFrom $183	Free Cancellation	Rating 7.8 8,487 reviews	Search Delta flights
United Airlines	PriceFrom $209	Free Cancellation	Rating 7.4 10,060 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $315	Free Cancellation	Rating 7.9 12,764 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $331	Free Cancellation	Rating 7.1 11,849 reviews	Search American Airlines flights
Southwest	PriceFrom $346	Free Cancellation	Rating 8.0 4,221 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $378	Free Cancellation	Rating 7.8 2,819 reviews	Search Hawaiian Airlines 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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Popular cities in O'ahu

Flights to New Yorkfrom $71

Flights to Los Angelesfrom $60

Flights to Orlandofrom $55

Flights to Miamifrom $74

Flights to Chicagofrom $65

Flights to San Franciscofrom $53

Flights to Las Vegasfrom $53

Flights to Washington, D.C.from $59

Flights to Bostonfrom $51

Flights to Atlantafrom $56

Flights to Fort Lauderdalefrom $51

Flights to Dallasfrom $73

Cheap flights from Ontario to O'ahu from $151

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 10/26. 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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United Airlines flights from Ontario to O'ahu

Our best United Airlines deals on Ontario to O'ahu flight tickets

Delta flights from Ontario to O'ahu

Our best Delta deals on Ontario to O'ahu flight tickets

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

What is the cheapest month to fly to O'ahu?

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

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

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

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

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

What is the cheapest airline that flies from Ontario to O'ahu?

What airlines fly to O'ahu?

How many flights depart from Ontario to O'ahu on average per day?

How many flights depart from Ontario to O'ahu on average per week?

Cheap Ontario to O'ahu flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in O'ahu

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your O'ahu 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to O'ahu

Popular cities in O'ahu

Popular flights according to clicks in the last 7 days on momondo

Ontario flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

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