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$148+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap 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 February 13, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 3/52:40 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Wed 3/118:45 am
ONT
-
HNL
Nonstop6h 04m
Alaska Airlines
Deal found 2/12$297
This lastminute.com deal was found by Cheapflights users on 2/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/52:40 pm
HNL
-
ONT
Nonstop5h 35m
Hawaiian Airlines
Wed 3/118:45 am
ONT
-
HNL
Nonstop6h 04m
Hawaiian Airlines
Deal found 2/12$302
This Trip.com deal was found by Cheapflights users on 2/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/512:01 pm
OGG
-
ONT
1 stop8h 14m
Multiple Airlines
Wed 3/116:14 am
ONT
-
OGG
1 stop10h 18m
Multiple Airlines
Deal found 2/10$316
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:35 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Tue 5/128:30 am
ONT
-
HNL
Nonstop6h 05m
Alaska Airlines
Deal found 2/11$317
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/612:35 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Sun 5/108:30 am
ONT
-
HNL
Nonstop6h 05m
Alaska Airlines
Deal found 2/11$322
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/512:35 pm
HNL
-
ONT
Nonstop5h 35m
Multiple Airlines
Wed 5/134:03 pm
ONT
-
HNL
1 stop10h 54m
Multiple Airlines
Deal found 2/11$326
This Alaska Airlines deal was found by Cheapflights users on 2/12. 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 4/162:25 pm
HNL
-
ONT
Nonstop5h 34m
Alaska Airlines
Fri 4/248:30 am
ONT
-
HNL
Nonstop6h 05m
Alaska Airlines
Deal found 2/12$327
This CheapOair deal was found by Cheapflights users on 2/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/42:40 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Tue 3/104:02 pm
ONT
-
HNL
1 stop21h 26m
Alaska Airlines
Deal found 2/10$329
This Alaska Airlines deal was found by Cheapflights users on 2/11. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:51 am
KOA
-
ONT
1 stop11h 08m
Multiple Airlines
Thu 4/2310:39 am
ONT
-
KOA
1 stop12h 13m
Multiple Airlines
Deal found 2/11$332
This United Airlines deal was found by Cheapflights users on 2/10. 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.
Wed 3/117:00 am
HNL
-
ONT
1 stop7h 41m
United Airlines
Tue 3/171:40 pm
ONT
-
HNL
1 stop9h 17m
United Airlines
Deal found 2/10$334
This Alaska Airlines deal was found by Cheapflights users on 2/9. 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.
Tue 2/242:40 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Tue 3/178:45 am
ONT
-
HNL
Nonstop6h 04m
Alaska Airlines
Deal found 2/9$337
This United Airlines deal was found by Cheapflights users on 2/9. 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 3/1111:13 pm
LIH
-
ONT
1 stop10h 05m
United Airlines
Wed 3/186:15 am
ONT
-
LIH
1 stop8h 53m
United Airlines
Deal found 2/9$393

Find flight deals from Hawaii to Ontario

Keep the following information in mind while searching for Hawaii to Ontario flight deals. Data was last updated February 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$287
(Trip.com)

One-way from

$148
(Delta)

Popular in

June

Cheapest in

February

Average price

$317

Good round-trip deal

$356 or less

Good one-way deal

$197 or less
Provider with most accurate pricing for Honolulu-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for Honolulu-Los Angeles flights.
Search Deals
From Hawaii to Ontario
Search Deals
One-way flight from Hawaii to Ontario
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Hawaii to Ontario.
Search Deals
Price to beat on a one-way flight from Hawaii to Ontario.
Search Deals

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 February 13, 2026.
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 4/21

2:25 pm-10:59 pm

Nonstop5h 34m

Ontario

Sun 4/26

8:30 am-11:35 am

Nonstop6h 05m

$297

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 3/5

2:40 pm-10:15 pm

Nonstop5h 35m

Ontario

Wed 3/11

8:45 am-11:49 am

Nonstop6h 04m

$297

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 4/23

12:35 pm-9:10 pm

Nonstop5h 35m

Ontario

Tue 4/28

8:30 am-11:35 am

Nonstop6h 05m

$307

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Wed 5/6

12:35 pm-9:10 pm

Nonstop5h 35m

Ontario

Sun 5/10

8:30 am-11:35 am

Nonstop6h 05m

$307

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 4/30

12:35 pm-9:10 pm

Nonstop5h 35m

Ontario

Sun 5/3

8:30 am-11:35 am

Nonstop6h 05m

$322

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 5/7

12:35 pm-9:10 pm

Nonstop5h 35m

Ontario

Wed 5/13

4:03 pm-11:57 pm

1 stop10h 54m

$326

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 4/16

8:51 am-10:59 pm

1 stop11h 08m

Ontario

Thu 4/23

10:39 am-7:52 pm

1 stop12h 13m

$332

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 3/24

2:25 pm-10:59 pm

Nonstop5h 34m

Ontario

Tue 3/31

6:00 am-1:13 pm

1 stop10h 13m

$339

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Wed 3/11

7:00 am-10:57 pm

2 stops12h 57m

Ontario

Tue 3/17

1:40 pm-7:57 pm

1 stop9h 17m

$340

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 5/5

12:35 pm-9:10 pm

Nonstop5h 35m

Ontario

Sat 5/9

8:30 am-11:35 am

Nonstop6h 05m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/12

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, February is the cheapest month in which you can book a flight from Hawaii to Ontario (average of $126). Flying from Hawaii to Ontario in November is currently the most expensive (average of $208). 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 February 13, 2026.

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 February 13, 2026.

The most flights from USHI to ONT are scheduled on a Tuesday (2 on average). You will have fewer flight options on Monday, 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 11 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 $297. 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 cheapest airlines to fly from Hawaii to Ontario one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $157. Alaska Airlines flights start at $159 while deals on Delta start at $162 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 $148. On average you can expect to pay $327. The most popular route, (Honolulu - Ontario), can usually be booked for $287.

  • 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, February is the cheapest month in which you can book a flight from Hawaii to Ontario (average of $126). Flying from Hawaii to Ontario in November is currently the most expensive (average of $208). 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 February 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$211Average$347FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$519FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$311Average$477FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$311Average$505FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$319Average$568FlexibilityNo cancel feeOn-time63%

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