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$159+ 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
May 6 — May 131
Tue 5/6
Tue 5/13
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 Thursday or Wednesday and return on a Monday

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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$328
(Alaska Airlines)

One-way from

$159
(Hawaiian Airlines)

Popular in

June

Cheapest in

January

Average price

$473

Good round-trip deal

$415 or less

Good one-way deal

$219 or less
Provider with most accurate pricing for Ontario-Honolulu flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Honolulu flights.
Search Deals
From Ontario to Honolulu
Search Deals
One-way flight from Ontario to Honolulu
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Honolulu.
Search Deals
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 May 1, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Mon 5/129:45 amONT - HNL
Nonstop6h 10mAlaska Airlines
Mon 5/261:15 pmHNL - ONT
Nonstop5h 40mAlaska Airlines
Deal found 4/30$328
This Delta deal was found by Cheapflights users on 4/30. 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.
Thu 10/167:00 amONT - HNL
1 stop15h 20mDelta
Wed 10/228:55 pmHNL - ONT
1 stop13h 23mDelta
Deal found 4/30$337
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 5/116:00 amONT - HNL
1 stop8h 59mUnited Airlines
Tue 5/209:40 pmHNL - ONT
2 stops11h 44mUnited Airlines
Deal found 4/29$367
This Kissandfly.com deal was found by Cheapflights users on 4/30. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/199:50 amONT - HNL
Nonstop5h 55mHawaiian Airlines
Mon 5/261:15 pmHNL - ONT
Nonstop5h 40mHawaiian Airlines
Deal found 4/30$389
This Southwest deal was found by Cheapflights users on 4/30. 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.
Sun 9/75:45 amONT - HNL
2 stops10h 05mSouthwest
Thu 9/118:15 amHNL - ONT
1 stop9h 10mSouthwest
Deal found 4/30$432
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 5/212:50 pmONT - HNL
1 stop31h 42mAmerican Airlines
Sun 5/410:20 pmHNL - ONT
1 stop10h 30mAmerican Airlines
Deal found 4/29$487

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 May 1, 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

Mon 5/12

9:45 am-12:55 pm

Nonstop6h 10m

Honolulu

Mon 5/26

1:15 pm-9:55 pm

Nonstop5h 40m

$328

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sat 10/18

7:00 am-7:20 pm

1 stop15h 20m

Honolulu

Wed 10/22

8:55 pm-10:50 am

1 stop10h 55m

$337

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sun 5/11

6:00 am-11:59 am

1 stop8h 59m

Honolulu

Tue 5/20

9:40 pm-12:24 pm

2 stops11h 44m

$367

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 5/19

9:50 am-12:45 pm

Nonstop5h 55m

Honolulu

Mon 5/26

1:15 pm-9:55 pm

Nonstop5h 40m

$389

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sun 10/26

8:04 pm-1:52 pm

1 stop20h 48m

Honolulu

Sun 11/2

10:40 pm-8:44 am

1 stop8h 04m

$396

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sun 9/7

5:45 am-12:50 pm

2 stops10h 05m

Honolulu

Thu 9/11

8:15 am-8:25 pm

1 stop9h 10m

$432

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 9/16

10:09 am-1:10 pm

Nonstop6h 01m

$159

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 5/7

11:44 am-7:03 pm

1 stop10h 19m

$169

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sat 8/9

1:19 pm-7:09 pm

1 stop8h 50m

$219

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 5/6

9:45 am-12:55 pm

Nonstop6h 10m

$234

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 13 results
1
2

Compare providers for flights from Ontario to Honolulu

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 Ontario to Honolulu in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*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 Ontario-Honolulu flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Honolulu flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Honolulu flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Honolulu flights, Cheapflights users trust eDreams the most. eDreams 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 Ontario-Honolulu 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 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 April 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 May 1, 2025.

It’s typically best to fly out from Ontario to Honolulu in the afternoon. Doing so could potentially save you 23% 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 March 30, 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 May 1, 2025.

The most flights from ONT to HNL are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Honolulu by month

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

In terms of precipitation, rainfall in Honolulu ranges from 0.3 - 3.2 inches per month. December is typically the wettest month, when rainfall can reach 3.2 in. June is typically the driest time to visit Honolulu when rainfall is around 0.3 in.

Temperature in Honolulu by month

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

If weather is an important factor for your trip to Honolulu, 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 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

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 May 1, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Ontario to Honolulu. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
2,408 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

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 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 4 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 19 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 ($328), Delta ($337), and United Airlines ($367) offers the cheapest pricing from Ontario to Honolulu. Alaska Airlines is currently priced 29% 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 Hawaiian Airlines. According to our data, you can fly for as low as $159. Users have also found prices from $169 and $174 on Alaska Airlines and Delta, 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 (85%), JetBlue (85%) and Hawaiian Airlines (85%).

  • What are the cheapest flights from Ontario to Honolulu?

    On average you can expect to pay $389 for a flight from Ontario to Honolulu. The cheapest flight overall is $159 while the most popular route, (Ontario - Honolulu) is currently priced at $318.

  • 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 Ontario?

Book flights to Ontario if you plan to visit one of these locations
Aiea
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Alternative routes for Ontario to Honolulu

See prices for flight routes from nearby airports that may be better suited for you.
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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$356FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$239Average$520FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$262Average$446FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$296Average$471FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$318Average$628FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$397Average$585FlexibilityNo cancel feeOn-time63%

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