What airlines fly to O'ahu?

United Airlines, Alaska Airlines and Hawaiian 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 35% of people opting to fly with this airline when traveling to O'ahu. Keep in mind that there are 8 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 day?

As of March 2026, there are 1 flights per day flying from Ontario to O'ahu. The most common time of day flights depart is 8:00AM, with 100% of flights taking off at noon.

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

As of March 2026, there are 10 flights per week flying from Ontario to O'ahu. The most common day of the week flights depart is Mon, with 20% of flights taking off on this day.

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

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 March 2026, there are 7 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.

$149 Cheap Flights from Ontario to O'ahu in 2026

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Find the cheapest flights from Ontario to O'ahu

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:53 am - 9:20 pm

ONT

HNL

12h 27m

1 stop

10:45 pm - 11:13 am

HNL

ONT

9h 28m

1 stop

$316Delta

Mon, Apr 27 - Tue, May 5

8:30 am - 11:35 am

ONT

HNL

6h 05mnonstop

12:35 pm - 9:10 pm

HNL

ONT

5h 35mnonstop

$317Alaska Airlines

Wed, Apr 29 - Wed, May 6

8:30 am - 11:35 am

ONT

HNL

6h 05mnonstop

12:35 pm - 9:10 pm

HNL

ONT

5h 35mnonstop

$327Alaska Airlines

Sun, Apr 26 - Thu, Apr 30

5:30 am - 1:05 pm

ONT

HNL

10h 35m

1 stop

8:00 am - 10:10 pm

HNL

ONT

11h 10m

1 stop

$336Southwest

Thu, Apr 16 - Tue, Apr 21

8:30 am - 11:35 am

ONT

HNL

6h 05mnonstop

12:35 pm - 9:10 pm

HNL

ONT

5h 35mnonstop

$337Alaska Airlines

Sat, Apr 25 - Thu, Apr 30

8:30 am - 11:35 am

ONT

HNL

6h 05mnonstop

11:59 pm - 2:32 pm

HNL

ONT

11h 33m

1 stop

$338Multiple Airlines

Wed, Apr 29 - Wed, May 6

8:30 am - 11:35 am

ONT

HNL

6h 05mnonstop

11:15 am - 11:59 pm

HNL

ONT

9h 44m

1 stop

$339Alaska Airlines

Mon, Apr 27 - Thu, Apr 30

8:30 am - 11:35 am

ONT

HNL

6h 05mnonstop

11:59 pm - 2:32 pm

HNL

ONT

11h 33m

1 stop

$340Multiple Airlines

Tue, Apr 28 - Wed, May 6

1:27 pm - 7:20 pm

ONT

HNL

8h 53m

1 stop

9:40 pm - 12:20 pm

HNL

ONT

11h 40m

2 stops

$342United Airlines

Thu, Apr 9 - Thu, Apr 16

8:30 am - 11:35 am

ONT

HNL

6h 05mnonstop

11:59 pm - 2:32 pm

HNL

ONT

11h 33m

1 stop

$345Multiple Airlines

Wed, Apr 29 - Mon, May 4

Alaska Airlines flights from Ontario to O'ahu

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

Alaska Airlines

Apr 29

ONT8:30 amOntario

6h 05m

HNL11:35 amHonolulu

May 6

HNL12:35 pmHonolulu

5h 35m

ONT9:10 pmOntario

$317

Alaska Airlines

Apr 26

ONT8:30 amOntario

6h 05m

HNL11:35 amHonolulu

Apr 30

HNL12:35 pmHonolulu

5h 35m

ONT9:10 pmOntario

$327

Alaska Airlines

Apr 25

ONT8:30 amOntario

6h 05m

HNL11:35 amHonolulu

Apr 30

HNL12:35 pmHonolulu

5h 35m

ONT9:10 pmOntario

$337

Hawaiian Airlines flights from Ontario to O'ahu

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

Hawaiian Airlines

Apr 8

ONT8:32 amOntario

6h 03m

HNL11:35 amHonolulu

Apr 15

HNL2:25 pmHonolulu

5h 34m

ONT10:59 pmOntario

$362

Hawaiian Airlines

Apr 8

ONT8:32 amOntario

6h 03m

HNL11:35 amHonolulu

Apr 14

HNL2:25 pmHonolulu

5h 34m

ONT10:59 pmOntario

$364

Hawaiian Airlines

Mar 26

ONT8:32 amOntario

6h 03m

HNL11:35 amHonolulu

Mar 30

HNL2:25 pmHonolulu

5h 34m

ONT10:59 pmOntario

$663

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 4/27

11:53 am-9:20 pm

1 stop12h 27m

Honolulu

Tue 5/5

10:45 pm-11:13 am

1 stop9h 28m

$316

Quickest round-trip

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 4/29

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Wed 5/6

12:35 pm-9:10 pm

Nonstop5h 35m

$317

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sun 4/26

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Thu 4/30

12:35 pm-9:10 pm

Nonstop5h 35m

$327

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 4/16

5:30 am-1:05 pm

1 stop10h 35m

Honolulu

Tue 4/21

8:00 am-10:10 pm

1 stop11h 10m

$336

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sat 4/25

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Thu 4/30

12:35 pm-9:10 pm

Nonstop5h 35m

$337

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 4/29

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Wed 5/6

11:59 pm-2:32 pm

1 stop11h 33m

$338

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 4/27

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Thu 4/30

11:15 am-11:59 pm

1 stop9h 44m

$339

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 4/28

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Wed 5/6

11:59 pm-2:32 pm

1 stop11h 33m

$340

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 4/9

1:27 pm-7:20 pm

1 stop8h 53m

Honolulu

Thu 4/16

9:40 pm-12:20 pm

2 stops11h 40m

$342

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 4/29

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Mon 5/4

11:59 pm-2:32 pm

1 stop11h 33m

$345

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 January is another great option to travel to O'ahu, with average flight prices from Ontario averaging around $397.

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 $501. 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 $557.

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 $511 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 $462 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	$227
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 $227. The best round-trip flight deal from Ontario to O'ahu found on momondo in the last 72 hours is $444.

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

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 March 2026, there are 7 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 14.29% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 11.19%, Boeing 737 MAX 8 with 10.96%, and Airbus A320neo with 10.66%.

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 $168	Free Cancellation	Rating 7.9 8,289 reviews	Search Delta flights
United Airlines	PriceFrom $198	Free Cancellation	Rating 7.4 9,429 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $230	Free Cancellation	Rating 0.0	Search Alaska Airlines flights
Alaska Airlines	PriceFrom $316	Free Cancellation	Rating 7.9 12,052 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $318	Free Cancellation	Rating 7.8 2,839 reviews	Search Hawaiian Airlines flights
American Airlines	PriceFrom $331	Free Cancellation	Rating 7.1 11,466 reviews	Search American Airlines flights
Southwest	PriceFrom $376	Free Cancellation	Rating 8.0 4,319 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.

An easier way to manage your O'ahu trip

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Popular cities in O'ahu

Flights to New Yorkfrom $59

Flights to Los Angelesfrom $51

Flights to Orlandofrom $44

Flights to Miamifrom $54

Flights to Chicagofrom $56

Flights to San Franciscofrom $76

Flights to Las Vegasfrom $23

Flights to Washington, D.C.from $56

Flights to Bostonfrom $72

Flights to Atlantafrom $49

Flights to Dallasfrom $60

Flights to Seattlefrom $71

Cheap flights from Ontario to O'ahu from $149

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 4/12. 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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Alaska Airlines flights from Ontario to O'ahu

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

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Our best Hawaiian Airlines 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 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

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

Best Price Found

Fastest flight time

Direct flights

Airports in 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

O'ahu flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to O'ahu

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