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$145+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
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 November 5, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$298
(Alaska Airlines)

One-way from

$145
(Jettzy)

Popular in

June

Cheapest in

February

Average price

$355

Good round-trip deal

$457 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Honolulu-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Honolulu-Los Angeles flights.
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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. 16% potential increase in price ($78 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 November 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 November 5, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/242:44 pmHNL - ONT
Nonstop5h 24mAlaska Airlines
Tue 1/68:00 amONT - HNL
Nonstop6h 19mAlaska Airlines
Deal found 11/4$298
This Expedia deal was found by Cheapflights users on 11/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/153:49 pmHNL - ONT
1 stop17h 30mAlaska Airlines
Wed 1/711:53 amONT - HNL
1 stop12h 15mAlaska Airlines
Deal found 11/4$317
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/182:44 pmHNL - ONT
Nonstop5h 24mAlaska Airlines
Mon 1/58:00 amONT - HNL
Nonstop6h 19mAlaska Airlines
Deal found 11/4$318
This United Airlines deal was found by Cheapflights users on 11/4. 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.
Mon 12/1510:50 pmHNL - ONT
2 stops11h 27mUnited Airlines
Thu 1/18:11 amONT - HNL
1 stop9h 37mUnited Airlines
Deal found 11/4$322
This Delta deal was found by Cheapflights users on 11/5. 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 12/48:43 pmKOA - ONT
1 stop12h 30mDelta
Tue 12/96:40 amONT - KOA
1 stop13h 40mDelta
Deal found 11/5$337
This KAYAK deal was found by Cheapflights users on 11/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/222:44 pmHNL - ONT
Nonstop5h 24mAlaska Airlines
Mon 1/58:00 amONT - HNL
Nonstop6h 19mAlaska Airlines
Deal found 11/5$340
This Delta deal was found by Cheapflights users on 11/5. 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 12/48:43 pmKOA - ONT
1 stop12h 30mDelta
Wed 12/106:00 amONT - KOA
2 stops14h 20mDelta
Deal found 11/5$342
This Cheapflightsfares deal was found by Cheapflights users on 11/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:09 pmHNL - ONT
Nonstop5h 34mAlaska Airlines
Thu 1/88:13 amONT - HNL
Nonstop6h 16mAlaska Airlines
Deal found 11/3$344
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:49 pmHNL - ONT
Nonstop5h 34mAlaska Airlines
Mon 12/157:00 amONT - HNL
Nonstop6h 13mAlaska Airlines
Deal found 11/4$346
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/511:59 pmHNL - ONT
1 stop9h 20mAlaska Airlines
Tue 12/912:13 pmONT - HNL
1 stop11h 56mAlaska Airlines
Deal found 11/4$347
This KAYAK deal was found by Cheapflights users on 11/5. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:00 amKOA - ONT
1 stop12h 29mAlaska Airlines
Wed 12/106:00 amONT - KOA
1 stop10h 40mAlaska Airlines
Deal found 11/5$347
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Thu 12/252:44 pmHNL - ONT
Nonstop5h 24mAlaska Airlines
Thu 1/18:00 amONT - HNL
Nonstop6h 19mAlaska Airlines
Deal found 11/5$355

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 November 5, 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

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 1/20

2:54 pm-10:28 pm

Nonstop5h 34m

Ontario

Mon 1/26

6:00 am-2:14 pm

1 stop10h 14m

$318

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 1/16

2:54 pm-10:28 pm

Nonstop5h 34m

Ontario

Thu 1/29

8:13 am-12:29 pm

Nonstop6h 16m

$328

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 1/16

2:54 pm-10:28 pm

Nonstop5h 34m

Ontario

Wed 1/28

8:13 am-12:29 pm

Nonstop6h 16m

$328

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 1/30

2:54 pm-10:28 pm

Nonstop5h 34m

Ontario

Tue 2/3

11:53 am-7:56 pm

1 stop10h 03m

$338

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sun 1/18

2:54 pm-10:28 pm

Nonstop5h 34m

Ontario

Thu 1/29

1:46 pm-9:54 pm

1 stop10h 08m

$338

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 12/4

8:43 pm-11:13 am

1 stop12h 30m

Ontario

Tue 12/9

6:00 am-6:20 pm

2 stops14h 20m

$342

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 1/16

10:55 pm-12:16 pm

1 stop11h 21m

Ontario

Wed 1/28

7:30 am-5:07 pm

1 stop11h 37m

$347

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Fri 12/5

9:00 am-11:29 pm

1 stop12h 29m

Ontario

Wed 12/10

6:00 am-2:40 pm

1 stop10h 40m

$347

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sun 1/18

2:54 pm-10:28 pm

Nonstop5h 34m

Ontario

Sun 1/25

8:13 am-12:29 pm

Nonstop6h 16m

$358

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 12/23

2:44 pm-10:08 pm

Nonstop5h 24m

Ontario

Mon 1/5

8:00 am-12:19 pm

Nonstop6h 19m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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, May is the cheapest month in which you can book a flight from Hawaii to Ontario (average of $83). Flying from Hawaii to Ontario in July is currently the most expensive (average of $188). 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 November 5, 2025.

A simple way to save on the total cost of your ticket is to fly from Hawaii to Ontario at noon. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight in the afternoon.

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 15 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 5h 34m. Alaska Airlines provides one of the quickest options available for as low as $318. The distance from Hawaii to Ontario is about 2598 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $199. On average you can expect to pay $463. The most popular route, (Honolulu - Ontario), can usually be booked for $298.

  • 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, May is the cheapest month in which you can book a flight from Hawaii to Ontario (average of $83). Flying from Hawaii to Ontario in July is currently the most expensive (average of $188). 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$238Average$586FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$246Average$439FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$296Average$518FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$318Average$566FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$319Average$541FlexibilityNo cancel feeOn-time63%

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