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 39% 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.

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

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

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

As of June 2026, there are 14 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.

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

As of June 2026, there are 2 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.

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 June 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.

$148 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.

8:00 am - 10:40 am

ONT

HNL

5h 40mnonstop

11:55 am - 8:10 pm

HNL

ONT

5h 15mnonstop

$440Southwest

Fri, Aug 14 - Mon, Aug 17

10:47 am - 8:30 pm

ONT

HNL

12h 43m

1 stop

1:33 pm - 10:10 pm

HNL

ONT

5h 37mnonstop

$441Multiple Airlines

Fri, Sep 11 - Thu, Sep 17

9:11 am - 12:09 pm

ONT

HNL

5h 58mnonstop

1:12 pm - 9:45 pm

HNL

ONT

5h 33mnonstop

$442Alaska Airlines

Sat, Aug 8 - Thu, Aug 13

9:11 am - 12:09 pm

ONT

HNL

5h 58mnonstop

11:20 pm - 1:09 pm

HNL

ONT

10h 49m

1 stop

$443Multiple Airlines

Sat, Aug 8 - Thu, Aug 13

5:26 pm - 12:12 am

ONT

HNL

9h 46m

1 stop

7:40 am - 8:24 pm

HNL

ONT

9h 44m

1 stop

$444Multiple Airlines

Sun, Aug 16 - Thu, Aug 20

12:04 pm - 7:16 pm

ONT

HNL

10h 12m

1 stop

9:20 pm - 11:04 am

HNL

ONT

10h 44m

1 stop

$445Alaska Airlines

Wed, Aug 12 - Wed, Aug 26

10:47 am - 8:30 pm

ONT

HNL

12h 43m

1 stop

11:30 pm - 2:16 pm

HNL

ONT

11h 46m

1 stop

$446Multiple Airlines

Thu, Aug 27 - Tue, Sep 8

9:31 am - 12:30 pm

ONT

HNL

5h 59mnonstop

1:33 pm - 10:10 pm

HNL

ONT

5h 37mnonstop

$447Alaska Airlines

Fri, Aug 28 - Thu, Sep 3

9:31 am - 12:30 pm

ONT

HNL

5h 59mnonstop

1:33 pm - 10:10 pm

HNL

ONT

5h 37mnonstop

$448Alaska Airlines

Fri, Sep 11 - Fri, Sep 18

9:11 am - 12:09 pm

ONT

HNL

5h 58mnonstop

3:07 pm - 11:08 am

HNL

ONT

17h 01m

1 stop

$449Alaska Airlines

Thu, Aug 13 - Mon, Aug 17

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Alaska Airlines flights from Ontario to O'ahu

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

Alaska Airlines

Sep 25

ONT9:31 amOntario

5h 59m

HNL12:30 pmHonolulu

Sep 29

HNL1:33 pmHonolulu

5h 37m

ONT10:10 pmOntario

$441

Alaska Airlines

Dec 9

ONT9:00 amOntario

5h 57m

HNL12:57 pmHonolulu

Dec 17

HNL1:55 pmHonolulu

5h 33m

ONT9:28 pmOntario

$442

Alaska Airlines

Sep 13

ONT9:31 amOntario

5h 59m

HNL12:30 pmHonolulu

Sep 16

HNL1:33 pmHonolulu

5h 37m

ONT10:10 pmOntario

$443

Delta flights from Ontario to O'ahu

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

Delta

Aug 10

ONT6:20 amOntario

15h 51m

1 stop

HNL7:11 pmHonolulu

Aug 19

HNL10:45 pmHonolulu

21h 00m

1 stop

ONT10:45 pmOntario

$444

Delta

Jun 18

ONT6:20 amOntario

15h 49m

1 stop

HNL7:09 pmHonolulu

Jun 24

HNL10:40 pmHonolulu

9h 37m

1 stop

ONT11:17 amOntario

$596

Delta

Jun 17

ONT5:59 pmOntario

28h 10m

1 stop

HNL7:09 pmHonolulu

Jun 24

HNL10:40 pmHonolulu

9h 37m

1 stop

ONT11:17 amOntario

$603

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Fri 8/14

8:00 am-10:40 am

Nonstop5h 40m

Honolulu

Mon 8/17

11:55 am-8:10 pm

Nonstop5h 15m

$440

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Fri 9/11

10:47 am-8:30 pm

1 stop12h 43m

Honolulu

Thu 9/17

1:33 pm-10:10 pm

Nonstop5h 37m

$441

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sat 8/8

9:11 am-12:09 pm

Nonstop5h 58m

Honolulu

Thu 8/13

1:12 pm-9:45 pm

Nonstop5h 33m

$442

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sat 8/8

9:11 am-12:09 pm

Nonstop5h 58m

Honolulu

Thu 8/13

11:20 pm-1:09 pm

1 stop10h 49m

$443

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sun 8/16

5:26 pm-12:12 am

1 stop9h 46m

Honolulu

Thu 8/20

7:40 am-8:24 pm

1 stop9h 44m

$444

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 8/12

12:04 pm-7:16 pm

1 stop10h 12m

Honolulu

Wed 8/26

9:20 pm-11:04 am

1 stop10h 44m

$445

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 8/27

10:47 am-8:30 pm

1 stop12h 43m

Honolulu

Tue 9/8

11:30 pm-2:16 pm

1 stop11h 46m

$446

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Fri 8/28

9:31 am-12:30 pm

Nonstop5h 59m

Honolulu

Thu 9/3

1:33 pm-10:10 pm

Nonstop5h 37m

$447

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Fri 9/11

9:31 am-12:30 pm

Nonstop5h 59m

Honolulu

Fri 9/18

1:33 pm-10:10 pm

Nonstop5h 37m

$448

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 8/13

9:11 am-12:09 pm

Nonstop5h 58m

Honolulu

Mon 8/17

3:07 pm-11:08 am

1 stop17h 01m

$449

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 $197.

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

According to our data, Wednesday is the cheapest day to fly to O'ahu from Ontario. The lowest ticket price found for a Wednesday departure recently was $495. 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 Tuesday as prices are generally higher than usual. According to our data, the average ticket price to O'ahu on Tuesday is $524.

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 $496 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 $421 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	$258
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 $258. The best round-trip flight deal from Ontario to O'ahu found on momondo in the last 72 hours is $423.

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 June 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 14.28% of the total bookings. Other popular models include Airbus A320neo with 13.13%, Airbus A321-100/200 with 12.89%, and Boeing 737 MAX 8 with 12.71%.

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 8,397 reviews	Search Delta flights
United Airlines	PriceFrom $198	Free Cancellation	Rating 7.4 9,831 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $314	Free Cancellation	Rating 7.9 12,511 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $331	Free Cancellation	Rating 7.1 11,660 reviews	Search American Airlines flights
Hawaiian Airlines	PriceFrom $347	Free Cancellation	Rating 7.8 2,829 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $348	Free Cancellation	Rating 7.9 4,235 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 $83

Flights to Los Angelesfrom $69

Flights to Orlandofrom $65

Flights to Miamifrom $76

Flights to Chicagofrom $58

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $56

Flights to Bostonfrom $62

Flights to Atlantafrom $50

Flights to Fort Lauderdalefrom $55

Flights to Dallasfrom $87

Cheap flights from Ontario to O'ahu from $148

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 12/6. 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

Delta flights from Ontario to O'ahu

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

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See travel insights to O'ahu from

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

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

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

O'ahu flight routes

According to popular flight searches on momondo this year

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