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$160+ Cheap flights from Ontario to Honolulu (ONT - HNL)

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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Ontario to Honolulu are usually found in January or February, booked 61 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Ontario to Honolulu

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Honolulu (HNL). 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 July 28, 2025.

Round-trip from

$385
(Justfly.com)

One-way from

$160
(Delta)

Popular in

June

Cheapest in

January

Average price

$636

Good round-trip deal

$426 or less

Good one-way deal

$279 or less
From Ontario to Honolulu
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One-way flight from Ontario to Honolulu
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Highest demand for flights based on searches. 19% potential increase in price ($117 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Ontario to Honolulu.
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Price to beat on a one-way flight from Ontario to Honolulu.
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Find flight deals from Ontario to Honolulu

Cheapest flights from Ontario to Honolulu
Explore the most affordable flight options available from Ontario to Honolulu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This Justfly.com deal was found by Cheapflights users on 7/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/93:06 pmONT - HNL
1 stop11h 30mAlaska Airlines
Tue 9/1611:09 pmHNL - ONT
1 stop12h 03mAlaska Airlines
Deal found 7/27$385
This Southwest deal was found by Cheapflights users on 7/26. 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.
Fri 8/295:50 amONT - HNL
1 stop13h 35mSouthwest
Mon 9/19:00 pmHNL - ONT
1 stop10h 10mSouthwest
Deal found 7/26$387
This Delta deal was found by Cheapflights users on 7/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3011:40 amONT - HNL
1 stop10h 25mDelta
Thu 9/410:42 pmHNL - ONT
1 stop9h 08mDelta
Deal found 7/26$391
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 9/246:00 amONT - HNL
2 stops13h 29mUnited Airlines
Mon 9/299:40 pmHNL - ONT
2 stops11h 33mUnited Airlines
Deal found 7/28$395
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:09 amONT - HNL
Nonstop6h 01mHawaiian Airlines
Mon 9/299:45 pmHNL - ONT
1 stop9h 59mHawaiian Airlines
Deal found 7/26$406
This American Airlines deal was found by Cheapflights users on 7/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:17 amONT - HNL
1 stop9h 05mAmerican Airlines
Wed 8/279:11 pmHNL - ONT
1 stop16h 13mAmerican Airlines
Deal found 7/26$423

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Honolulu 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 July 28, 2025.
Use the filters below to find and compare flights from Ontario to Honolulu that are best for you.

Fly from

Ontario

Fly to

Honolulu

Route

Depart

Return

Price

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 9/9

3:06 pm-11:36 pm

1 stop11h 30m

Honolulu

Tue 9/16

11:09 pm-2:12 pm

1 stop12h 03m

$385

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Fri 8/29

5:50 am-4:25 pm

1 stop13h 35m

Honolulu

Mon 9/1

9:00 pm-10:10 am

1 stop10h 10m

$387

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sat 8/30

11:40 am-7:05 pm

1 stop10h 25m

Honolulu

Thu 9/4

10:42 pm-10:50 am

1 stop9h 08m

$391

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Fri 9/26

10:09 am-1:10 pm

Nonstop6h 01m

Honolulu

Mon 9/29

9:45 pm-10:44 am

1 stop9h 59m

$406

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 9/25

10:09 am-1:10 pm

Nonstop6h 01m

Honolulu

Sun 9/28

9:30 pm-9:26 am

1 stop8h 56m

$416

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 8/25

6:17 am-12:22 pm

1 stop9h 05m

Honolulu

Wed 8/27

9:11 pm-4:24 pm

1 stop16h 13m

$423

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 11/6

1:40 pm-10:27 pm

1 stop10h 47m

Honolulu

Sun 11/16

10:50 pm-12:37 pm

2 stops11h 47m

$424

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 9/16

11:50 am-6:57 pm

1 stop10h 07m

$160

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 9/9

8:35 am-11:38 am

Nonstop6h 03m

$165

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sun 8/24

7:15 am-1:00 pm

1 stop8h 45m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 13 results
1
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The best insider tips for Ontario to Honolulu 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 Ontario to Honolulu trip
Airports
ONT

ONT offers quick security with smoother processes than LAX, making it ideal for stress-free departures.

Read more about ONTby Bill Fink
HNL

For a quick ride to Waikiki, consider rideshares from HNL, which are often cheaper than taxis.

Read more about HNLby Yulia Denisyuk
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 Ontario to Honolulu

Have a flexible travel schedule? Discover the best time to fly to Honolulu from Ontario 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 Ontario to Honolulu

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

Use this chart to determine the optimal time to book a round-trip flight from Ontario to Honolulu. Price data was last updated on July 25, 2025.

The price you pay for your flight from Ontario to Honolulu may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, November is the cheapest month in which you can book a flight from Ontario to Honolulu (average of $469). Flying from Ontario to Honolulu in June is currently the most expensive (average of $687). 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 ONT to HNL?

Find hourly flight availability from Ontario to Honolulu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

It’s typically best to fly out from Ontario to Honolulu in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Ontario to Honolulu?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Honolulu. Price data was last updated on July 20, 2025.

Travelers seeking maximum savings on their Ontario to Honolulu flight should consider departing on Sunday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Ontario to Honolulu

Explore weekly flight availability from Ontario to Honolulu. 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 July 28, 2025.

The most flights from ONT to HNL 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).

What’s the top layover airport for flights from Ontario to Honolulu?

Share of 1-stop round-trip flights from Ontario to Honolulu chosen by Cheapflights users in the past 12 months, using the same layover each way.

San Francisco (SFO) – chosen by Cheapflights users on 75% of 1-stop itineraries from Ontario to Honolulu on Cheapflights.

What’s the cheapest layover airport for flights from Ontario to Honolulu?

Average round-trip fare for 1-stop flights from Ontario to Honolulu, chosen by Cheapflights users in the past 12 months, with the same layover each way.

San Jose (SJC) is the most affordable 1-stop option, with an average round-trip price of $613.

What’s the fastest layover option from Ontario to Honolulu?

Shortest average travel time for 1-stop one-way flights from Ontario to Honolulu, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 7h 39m.

Which airport typically offers the quickest layover for flights from Ontario to Honolulu?

Average layover duration for 1-stop one-way flights from Ontario to Honolulu, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via San Jose (SJC) offer the fastest connection on this route, with an average layover time of 3h 33m.

Reviews of airlines servicing Honolulu

Get insights into the airlines that provide service to Honolulu. 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 Honolulu. Reviews last updated July 28, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Ontario to Honolulu. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

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 Ontario to Honolulu. 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 Ontario to Honolulu?

    You will need to book a flight from Ontario to Honolulu if you want to fly from Ontario to Honolulu. At least 6 different airlines have flights from Ontario (ONT) to Honolulu (HNL) on a regular basis. There are 2 flights to Honolulu from the Ontario airport per day. If you manage to book one that is nonstop, then you can expect the flight time from ONT to HNL to be around 5h 55m.

  • How popular is this Ontario to Honolulu flight route?

    This flight path from Ontario to Honolulu was viewed by 20 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 Ontario to Honolulu round-trip?

    According to our current data, Alaska Airlines ($385), Southwest ($387), and Delta ($391) offers the cheapest pricing from Ontario to Honolulu. Alaska Airlines is currently priced 20% below the average price you’ll pay for this route.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $160. Users have also found prices from $165 and $169 on Hawaiian Airlines and Southwest, respectively.

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

    The top 3 most reliable airlines when flying from Ontario to Honolulu are Alaska Airlines (90%), Hawaiian Airlines (90%) and JetBlue (82%).

  • What are the cheapest flights from Ontario to Honolulu?

    On average you can expect to pay $786 for a flight from Ontario to Honolulu. The cheapest flight overall is $197 while the most popular route, (Ontario - Honolulu) is currently priced at $321.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Honolulu 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 Ontario to Honolulu?

    Currently, November is the cheapest month in which you can book a flight from Ontario to Honolulu (average of $469). Flying from Ontario to Honolulu in June is currently the most expensive (average of $687). 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

Traveling to a place near Honolulu?

Book flights to Honolulu if you plan to visit one of these locations
Aiea
Kahuku

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Top 6 airlines flying from Ontario to Honolulu

Discover the top 6 airlines that operate flights from Ontario to Honolulu. 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$337FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$239Average$527FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$266Average$447FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$316Average$496FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$357Average$630FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$367Average$585FlexibilityNo cancel feeOn-time63%

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