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$152+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Honolulu to Ontario are usually found in February or January, booked 79 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap 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 junio 12, 2025.

Round-trip from

$303
(Delta)

One-way from

$152
(American Airlines)

Popular in

May

Cheapest in

February

Average price

$560

Good round-trip deal

$377 or less

Good one-way deal

$234 or less
From Honolulu to Ontario
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One-way flight from Honolulu to Ontario
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Highest demand for flights based on searches. 12% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Honolulu to Ontario.
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Price to beat on a one-way flight from Honolulu to Ontario.
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Find 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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/2510:42 pmHNL - ONT
1 stop9h 08mDelta
mié. 9/311:40 amONT - HNL
1 stop10h 25mDelta
Deal found 6/10$303
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1112:38 pmHNL - ONT
Nonstop5h 32mHawaiian Airlines
mar. 9/2310:09 amONT - HNL
Nonstop6h 01mHawaiian Airlines
Deal found 6/11$318
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/2911:55 pmHNL - ONT
1 stop10h 31mAlaska Airlines
lun. 8/119:00 amONT - HNL
Nonstop5h 55mAlaska Airlines
Deal found 6/10$358
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/3010:21 pmHNL - ONT
1 stop16h 47mAmerican Airlines
lun. 8/116:17 amONT - HNL
1 stop9h 05mAmerican Airlines
Deal found 6/11$393
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/38:00 amHNL - ONT
2 stops14h 10mUnited Airlines
lun. 12/86:00 amONT - HNL
1 stop9h 09mUnited Airlines
Deal found 6/10$442
This Southwest deal was found by Cheapflights users on 6/11. 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.
mié. 6/258:15 amHNL - ONT
1 stop10h 50mSouthwest
dom. 6/2910:20 amONT - HNL
1 stop11h 10mSouthwest
Deal found 6/11$495

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 junio 12, 2025.
Use the filters below to find and compare flights from Honolulu to Ontario that are best for you.

Fly from

Honolulu

Fly to

Ontario

Route

Depart

Return

Price

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

lun. 8/25

10:42 pm-10:50 am

1 stop9h 08m

Ontario

jue. 9/4

11:40 am-7:05 pm

1 stop10h 25m

$303

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

jue. 8/28

12:38 pm-9:10 pm

Nonstop5h 32m

Ontario

jue. 9/4

8:35 am-11:38 am

Nonstop6h 03m

$348

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

mar. 7/29

11:55 pm-1:26 pm

1 stop10h 31m

Ontario

lun. 8/11

9:00 am-11:55 am

Nonstop5h 55m

$358

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

mié. 7/30

10:21 pm-6:08 pm

1 stop16h 47m

Ontario

lun. 8/11

6:17 am-12:22 pm

1 stop9h 05m

$393

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

mié. 7/30

8:30 am-10:52 pm

2 stops11h 22m

Ontario

lun. 8/11

1:19 pm-9:28 pm

2 stops11h 09m

$464

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

mié. 6/25

8:15 am-10:05 pm

1 stop10h 50m

Ontario

dom. 6/29

10:20 am-6:30 pm

1 stop11h 10m

$495

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

mar. 8/26

11:04 pm-11:32 am

1 stop9h 28m

$152

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

jue. 9/4

12:38 pm-9:10 pm

Nonstop5h 32m

$159

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

vie. 8/29

10:42 pm-10:50 am

1 stop9h 08m

$168

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

mar. 7/29

11:55 pm-1:26 pm

1 stop10h 31m

$199

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
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The best insider tips for Honolulu to Ontario flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Honolulu to Ontario trip
Airports
HNL

Expect up to 1-hour security lines at Terminal 2. Arrive early to ensure a smooth departure process.

Read more about HNLby Yulia Denisyuk
ONT

For arrivals, rental cars are recommended. ONT's rental center offers quick access to I-10 for easy travel.

Read more about ONTby Bill Fink
Our travel experts
Bill Fink

Bill Fink

Expert on ONT

Bill Fink

Bill Fink

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 Denisyuk

Yulia Denisyuk

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

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?

Use this chart to determine the optimal time to book a round-trip flight from Honolulu to Ontario. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Honolulu to Ontario, you should look to book at least 78 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, August is the cheapest month in which you can book a flight from Honolulu to Ontario (average of $246). Flying from Honolulu to Ontario in March is currently the most expensive (average of $328). 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 junio 12, 2025.

One of the essential ways to save on airfare from Honolulu to Ontario is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 17% on airfare.

Weekly flight availability from Honolulu to Ontario

Explore weekly flight availability from Honolulu to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 12, 2025.

The most flights from HNL to ONT are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

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 junio 12, 2025.
To help decide which airline to fly from Honolulu to Ontario, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 32m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from Honolulu to Ontario offered by 5 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.

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

    Delta, at $303, was found to be the cheapest airline from Honolulu to Ontario.Alternate airlines to your destination round-trip include Hawaiian Airlines and Alaska Airlines. You may be able to fly from Honolulu to Ontario for 36% 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 American Airlines ($152), Alaska Airlines ($159), and Hawaiian Airlines ($167).

  • 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: American Airlines (52%), Alaska Airlines (52%), JetBlue( 52%).

  • What are the cheapest flights from Honolulu to Ontario?

    Looking for the cheapest flight from Honolulu to Ontario? While on average our users pay $405, our data indicates the cheapest price to be $172. The most popular route (Honolulu - Ontario), is priced around $303.

  • 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, August is the cheapest month in which you can book a flight from Honolulu to Ontario (average of $246). Flying from Honolulu to Ontario in March is currently the most expensive (average of $328). 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

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Alternative routes for Honolulu to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Honolulu to Ontario

Discover the top 5 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$238Average$586FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$246Average$474FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$296Average$528FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$318Average$511FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$494Average$710FlexibilityNo cancel feeOn-time63%

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