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Ontario

$158+ Cheap flights from Hawaii to Ontario (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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Hawaii to Ontario

Keep the following information in mind while searching for Hawaii to Ontario flight deals. Data was last updated September 16, 2025.

Round-trip from

$322
(Vliegwinkel)

One-way from

$158
(KAYAK)

Popular in

June

Cheapest in

February

Average price

$333

Good round-trip deal

$432 or less

Good one-way deal

$201 or less
From Hawaii to Ontario
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One-way flight from Hawaii to Ontario
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Highest demand for flights based on searches. 17% potential increase in price ($83 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Hawaii to Ontario.
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Price to beat on a one-way flight from Hawaii to Ontario.
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Find flight deals from Hawaii to Ontario

Cheapest flights from Hawaii to Ontario
Explore the most affordable flight options available from Hawaii to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Vliegwinkel deal was found by Cheapflights users on 9/15. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:19 amOGG - ONT
1 stop9h 44mHawaiian Airlines
Wed 10/226:00 amONT - OGG
1 stop10h 28mHawaiian Airlines
Deal found 9/15$322
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 11/66:00 amOGG - ONT
1 stop9h 14mAlaska Airlines
Wed 11/1210:59 amONT - OGG
1 stop12h 52mAlaska Airlines
Deal found 9/15$343
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/17:15 amOGG - ONT
1 stop7h 25mUnited Airlines
Tue 10/71:53 pmONT - OGG
1 stop10h 02mUnited Airlines
Deal found 9/15$347
This Southwest deal was found by Cheapflights users on 9/15. 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 11/610:05 amOGG - ONT
1 stop7h 10mSouthwest
Wed 11/126:10 amONT - OGG
2 stops10h 40mSouthwest
Deal found 9/15$349
This Delta deal was found by Cheapflights users on 9/16. 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.
Tue 10/1410:31 pmHNL - ONT
1 stop9h 37mDelta
Tue 10/2111:48 amONT - HNL
1 stop10h 21mDelta
Deal found 9/16$375
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 10/2411:57 amKOA - ONT
1 stop8h 54mAlaska Airlines
Sun 10/266:00 amONT - KOA
1 stop13h 44mAlaska Airlines
Deal found 9/15$375
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 12/411:25 pmLIH - ONT
1 stop9h 54mAlaska Airlines
Mon 12/812:13 pmONT - LIH
1 stop12h 12mAlaska Airlines
Deal found 9/15$375
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/110:38 pmOGG - ONT
1 stop9h 06mAlaska Airlines
Tue 10/71:31 pmONT - OGG
1 stop11h 06mAlaska Airlines
Deal found 9/15$382
This Hawaiian Airlines deal was found by Cheapflights users on 9/15. 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.
Fri 11/79:40 amHNL - ONT
Nonstop5h 34mHawaiian Airlines
Mon 11/109:45 amONT - HNL
Nonstop6h 03mHawaiian Airlines
Deal found 9/15$386
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 12/412:49 pmHNL - ONT
Nonstop5h 34mAlaska Airlines
Thu 1/18:00 amONT - HNL
Nonstop6h 19mAlaska Airlines
Deal found 9/15$392
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Fri 11/711:55 pmHNL - ONT
1 stop13h 22mAlaska Airlines
Tue 11/119:45 amONT - HNL
Nonstop6h 03mAlaska Airlines
Deal found 9/14$396
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 11/89:40 amHNL - ONT
Nonstop5h 34mAlaska Airlines
Mon 11/109:45 amONT - HNL
Nonstop6h 03mAlaska Airlines
Deal found 9/14$397

Cheapflights Fare Finder

 
Customize your flight search to find flights from Hawaii 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 September 16, 2025.
Use the filters below to find and compare flights from Hawaii to Ontario that are best for you.

Fly from

Hawaii

Fly to

Ontario

Route

Depart

Return

Price

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Thu 10/16

11:19 am-12:03 am

1 stop9h 44m

Ontario

Wed 10/22

6:00 am-1:28 pm

1 stop10h 28m

$330

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Thu 11/6

6:00 am-5:14 pm

1 stop9h 14m

Ontario

Wed 11/12

10:59 am-9:51 pm

1 stop12h 52m

$343

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Wed 10/1

7:15 am-5:40 pm

1 stop7h 25m

Ontario

Tue 10/7

1:53 pm-8:55 pm

1 stop10h 02m

$347

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Thu 11/6

10:05 am-7:15 pm

1 stop7h 10m

Ontario

Wed 11/12

6:10 am-2:50 pm

2 stops10h 40m

$349

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Thu 2/19

9:25 pm-12:00 pm

1 stop12h 35m

Ontario

Sun 2/22

6:45 am-4:25 pm

1 stop11h 40m

$374

LihueOntario

LIH - ONT

LIHONT

Lihue

Thu 12/4

11:25 pm-11:19 am

1 stop9h 54m

Ontario

Mon 12/8

12:13 pm-10:25 pm

1 stop12h 12m

$375

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Wed 10/8

8:00 am-10:52 pm

2 stops11h 52m

Ontario

Tue 10/14

1:53 pm-7:08 pm

1 stop8h 15m

$380

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Wed 10/1

10:38 pm-10:44 am

1 stop9h 06m

Ontario

Tue 10/7

1:31 pm-9:37 pm

1 stop11h 06m

$382

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Thu 10/9

11:19 am-12:03 am

1 stop9h 44m

Ontario

Mon 10/27

6:00 am-1:12 pm

1 stop10h 12m

$382

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 12/11

12:49 pm-8:23 pm

Nonstop5h 34m

Ontario

Mon 12/15

7:36 am-11:49 am

Nonstop6h 13m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 60 results
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Best time to book a flight from Hawaii to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Hawaii to Ontario (average of $246). Flying from Hawaii to Ontario in March is currently the most expensive (average of $327). 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 HI to ONT?

Find hourly flight availability from Hawaii 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 September 16, 2025.

When flying from Hawaii to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Hawaii to Ontario

Explore weekly flight availability from Hawaii 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 September 16, 2025.

The most flights from USHI to ONT are scheduled on a Monday (3 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

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

  • What airport do you fly into for flights to Ontario from Hawaii?

    If you book a flight to Ontario from Hawaii, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • How popular is this Hawaii to Ontario flight route?

    The Hawaii to Ontario flight path was viewed by 14 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 Hawaii to Ontario?

    A quick flight from Hawaii to Ontario can take about 7h 25m. Hawaiian Airlines provides one of the quickest options available for as low as $347. The distance from Hawaii to Ontario is about 2528 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $169. United Airlines flights start at $174 while deals on Delta start at $179 one-way.

  • What are the most popular routes from Hawaii to Ontario?

    When deciding which route to take from Hawaii to Ontario consider Honolulu - Ontario, Kona Intl - Ontario or Kahului - Ontario as they are the most popular.

  • What are the cheapest flights from Hawaii to Ontario?

    The cheapest flight price from Hawaii to Ontario is $194. On average you can expect to pay $337. The most popular route, (Honolulu - Ontario), can usually be booked for $305.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Hawaii to Ontario (average of $246). Flying from Hawaii to Ontario in March is currently the most expensive (average of $327). 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 Hawaii 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 Hawaii to Ontario

Discover the top 5 airlines that operate flights from Hawaii 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$223Average$443FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$238Average$586FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$296Average$530FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$318Average$519FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$319Average$554FlexibilityNo cancel feeOn-time63%

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