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Ontario

$154+ Cheap flights from Honolulu to Ontario (HNL - ONT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Jul 28 — Aug 41
Tue 7/28
Tue 8/4
1 adult, Economy
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Find cheap flights from Honolulu to Ontario with Cheapflights

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Cheapflights Tip: The best prices from Honolulu to Ontario are usually found in February or January, booked 21 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Honolulu to Ontario

Cheapest flights from Honolulu to Ontario
Explore the most affordable flight options available from Honolulu to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 28, 2026.

This Priceline deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:27 pm
HNL
-
ONT
Nonstop5h 34m
Alaska Airlines
Tue 11/177:20 am
ONT
-
HNL
Nonstop6h 10m
Alaska Airlines
Deal found 6/24$337
This Southwest deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:55 am
HNL
-
ONT
Nonstop5h 15m
Southwest
Mon 8/318:00 am
ONT
-
HNL
Nonstop5h 40m
Southwest
Deal found 6/26$345
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:55 am
HNL
-
ONT
Nonstop5h 15m
Southwest
Sun 8/3012:25 pm
ONT
-
HNL
1 stop11h 45m
Southwest
Deal found 6/23$350
This Booking.com deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:50 pm
HNL
-
ONT
Nonstop5h 42m
Alaska Airlines
Sun 11/87:20 am
ONT
-
HNL
Nonstop6h 10m
Alaska Airlines
Deal found 6/24$353
This Priceline deal was found by Cheapflights users on 6/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:33 pm
HNL
-
ONT
Nonstop5h 37m
Multiple Airlines
Thu 10/13:14 pm
ONT
-
HNL
1 stop11h 45m
Multiple Airlines
Deal found 6/24$366
This Booking.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:48 pm
HNL
-
ONT
Nonstop5h 34m
Multiple Airlines
Tue 10/206:56 pm
ONT
-
HNL
1 stop18h 24m
Multiple Airlines
Deal found 6/23$367

Find flight deals from Honolulu to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Honolulu (HNL) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$337
(Priceline)

One-way from

$154
(SmartFares)

Popular in

June

Cheapest in

February

Average price

$574

Good one-way deal

$258 or less
Provider with most accurate pricing for Honolulu-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for Honolulu-Ontario flights.
Search Deals
From Honolulu to Ontario
Search Deals
One-way flight from Honolulu to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a one-way flight from Honolulu to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Honolulu to Ontario 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, Cheapflights users made 2,558,603 searches. Data last updated June 28, 2026.
Use the filters below to find and compare flights from Honolulu to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 8/27

7:00 am-6:11 pm

1 stop8h 11m

Ontario

Mon 8/31

9:01 am-7:48 pm

2 stops13h 47m

$370

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 8/14

1:00 pm-10:45 pm

1 stop30h 45m

Ontario

Sun 8/23

6:00 am-2:09 pm

1 stop11h 09m

$429

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 11/6

11:15 pm-11:45 am

2 stops10h 30m

Ontario

Sun 11/8

12:10 pm-9:20 pm

2 stops11h 10m

$445

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 11/20

8:00 am-8:06 pm

1 stop10h 06m

Ontario

Mon 11/23

1:52 pm-8:30 pm

1 stop8h 38m

$454
Quickest round-trip

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Mon 12/21

1:55 pm-9:28 pm

Nonstop5h 33m

Ontario

Sun 1/10

9:00 am-12:57 pm

Nonstop5h 57m

$475

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sun 12/20

8:10 am-10:43 pm

1 stop12h 33m

Ontario

Fri 1/8

7:00 am-8:24 pm

1 stop15h 24m

$494

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 8/20

7:00 am-8:01 pm

1 stop10h 01m

Ontario

Wed 8/26

6:08 am-11:45 am

1 stop8h 37m

$505

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sat 7/11

8:15 am-10:00 pm

1 stop10h 45m

Ontario

Tue 7/21

12:05 pm-9:20 pm

1 stop12h 15m

$564

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Wed 7/22

11:01 pm-12:12 pm

1 stop10h 11m

Ontario

Wed 7/29

1:50 pm-7:25 pm

1 stop8h 35m

$564

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 7/24

11:01 pm-12:12 pm

1 stop10h 11m

Ontario

Mon 7/27

6:00 am-1:56 pm

2 stops10h 56m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Honolulu to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Honolulu to Ontario in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Honolulu-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Honolulu-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Honolulu-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Honolulu-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Honolulu-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Honolulu to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Honolulu with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Honolulu to Ontario

How far ahead should I book a flight from Honolulu to Ontario?

To ensure you get the cheapest price possible for a flight from Honolulu to Ontario, you should look to book at least 20 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Honolulu to Ontario?

Currently, February is the cheapest month in which you can book a flight from Honolulu to Ontario (average of $379). Flying from Honolulu to Ontario in June is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HNL to ONT?

Find hourly flight availability from Honolulu to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 28, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Honolulu to Ontario as you normally would.

How much does it cost to fly round-trip from Honolulu to Ontario?

The best insider tips for Honolulu to Ontario flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Honolulu to Ontario trip
Our travel experts
Bill Fink

Bill Fink

Expert on ONT

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on HNL

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated June 28, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andHawaiian Airlines from Honolulu to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,582 reviews

Overall

7.9

Comfort

7.8

Food

7.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
7.9
Good
12,582 reviews
Alaska Airlines
7.9
Good
12,582 reviews

Overall

7.9

Comfort

7.8

Food

7.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Southwest
7.9
Good
4,246 reviews
Alaska Airlines
7.9
Good
12,582 reviews

Overall

7.9

Comfort

7.8

Food

7.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Hawaiian Airlines
7.8
Good
2,826 reviews
Alaska Airlines
7.9
Good
12,582 reviews

Overall

7.9

Comfort

7.8

Food

7.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
United Airlines
7.4
Good
9,901 reviews
Alaska Airlines
7.9
Good
12,582 reviews

Overall

7.9

Comfort

7.8

Food

7.0

Crew

8.5

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from Honolulu to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Honolulu to Ontario?

    To fly from Honolulu to Ontario, you need to book a flight from Honolulu (HNL) to Ontario (ONT). Nonstop flights to Ontario from Honolulu take 5h 15m on average. When it comes time to book airfare, you have a few options: there is 1 outbound flight from Honolulu to Ontario offered by 4 different airlines.

  • How popular is this Honolulu to Ontario flight route?

    The Honolulu to Ontario flight path was viewed by 7 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Honolulu to Ontario?

    For as low as $370, United Airlines can have you in Ontario from Honolulu in 8h 11m. Honolulu and Ontario are separated by a distance of 2598 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Honolulu to Ontario round-trip?

    Southwest, at $213, was found to be the cheapest airline from Honolulu to Ontario.Alternate airlines to your destination round-trip include United Airlines and Alaska Airlines. You may be able to fly from Honolulu to Ontario for 55% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Honolulu to Ontario one-way?

    The cheapest airlines for a one-way flight from Honolulu to Ontario are Alaska Airlines ($148), United Airlines ($157), and Delta ($162).

  • What are the most reliable airlines from Honolulu to Ontario?

    Before booking your flight to Ontario from Honolulu, check out the most reliable airlines to get you to your destination on time: Southwest (91%), Alaska Airlines (84%), Hawaiian Airlines( 83%).

  • What are the cheapest flights from Honolulu to Ontario?

    Looking for the cheapest flight from Honolulu to Ontario? While on average our users pay $282, our data indicates the cheapest price to be $208. The most popular route (Honolulu - Ontario), is priced around $367.

  • Can I find deals for flights from Honolulu to Ontario that include hotel bookings?

    Yes. In addition to deals on Honolulu to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Honolulu to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Honolulu to Ontario.

  • Can I find deals for business class flights from Honolulu to Ontario?

    Yes. Cheapflights offers flight deals from Honolulu to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Honolulu to Ontario?

    Currently, February is the cheapest month in which you can book a flight from Honolulu to Ontario (average of $379). Flying from Honolulu to Ontario in June is currently the most expensive (average of $574). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Honolulu to Ontario

Discover the top 4 airlines that operate flights from Honolulu to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$213Average$590FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$218Average$494FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$295Average$470FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$358Average$472FlexibilityNo cancel feeOn-time85%

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