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$126+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$287
(Delta)

One-way from

$126
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$382

Good round-trip deal

$342 or less

Good one-way deal

$199 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
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/26. 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.
Thu 5/89:30 pmOGG - ONT
1 stop10h 34mDelta
Wed 5/146:00 amONT - OGG
1 stop14h 01mDelta
Deal found 3/26$287
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/259:38 pmKOA - ONT
1 stop13h 20mDelta
Wed 7/307:00 amONT - KOA
1 stop13h 38mDelta
Deal found 3/27$295
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/412:38 pmHNL - ONT
Nonstop5h 32mAlaska Airlines
Mon 9/88:35 amONT - HNL
Nonstop6h 03mAlaska Airlines
Deal found 3/27$318
This Vliegwinkel deal was found by Cheapflights users on 3/26. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/810:00 pmOGG - ONT
1 stop9h 51mHawaiian Airlines
Wed 5/146:00 amONT - OGG
1 stop10h 20mHawaiian Airlines
Deal found 3/26$338
This Hawaiian Airlines deal was found by Cheapflights users on 3/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1512:55 pmHNL - ONT
Nonstop5h 32mHawaiian Airlines
Wed 8/139:00 amONT - HNL
Nonstop5h 55mHawaiian Airlines
Deal found 3/26$363
This Delta deal was found by Cheapflights users on 3/26. 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.
Thu 5/18:15 pmLIH - ONT
1 stop23h 28mDelta
Wed 5/711:46 amONT - LIH
1 stop10h 14mDelta
Deal found 3/26$366
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/239:30 pmKOA - ONT
1 stop10h 35mAlaska Airlines
Tue 7/292:21 pmONT - KOA
1 stop10h 43mAlaska Airlines
Deal found 3/27$369
This United deal was found by Cheapflights users on 3/27. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1510:30 pmOGG - ONT
1 stop9h 35mUnited Airlines
Wed 4/231:20 pmONT - OGG
1 stop9h 15mUnited Airlines
Deal found 3/27$377
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:55 pmKOA - ONT
1 stop8h 04mUnited Airlines
Wed 12/316:00 amONT - KOA
1 stop8h 30mUnited Airlines
Deal found 3/27$377
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/229:44 pmOGG - ONT
1 stop8h 42mAlaska Airlines
Mon 8/256:00 amONT - OGG
1 stop10h 13mAlaska Airlines
Deal found 3/27$392
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/310:25 pmHNL - ONT
1 stop7h 45mAmerican Airlines
Wed 4/96:15 amONT - HNL
1 stop11h 33mAmerican Airlines
Deal found 3/27$393
This flugladen.de deal was found by Cheapflights users on 3/27. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:20 pmHNL - ONT
1 stop10h 19mMultiple Airlines
Mon 10/137:00 amONT - HNL
1 stop9h 45mMultiple Airlines
Deal found 3/27$409

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 March 28, 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 5/8

9:30 pm-11:04 am

1 stop10h 34m

Ontario

Wed 5/14

6:00 am-5:01 pm

1 stop14h 01m

$287

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Wed 6/25

9:38 pm-1:58 pm

1 stop13h 20m

Ontario

Wed 7/30

7:00 am-5:38 pm

1 stop13h 38m

$295

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Thu 5/8

10:00 pm-10:51 am

1 stop9h 51m

Ontario

Wed 5/14

6:00 am-1:20 pm

1 stop10h 20m

$338

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 9/11

12:38 pm-9:10 pm

Nonstop5h 32m

Ontario

Sun 9/14

8:35 am-11:38 am

Nonstop6h 03m

$343

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 7/15

12:55 pm-9:27 pm

Nonstop5h 32m

Ontario

Wed 8/13

9:00 am-11:55 am

Nonstop5h 55m

$363

LihueOntario

LIH - ONT

LIHONT

Lihue

Thu 5/1

8:15 pm-10:43 pm

1 stop23h 28m

Ontario

Wed 5/7

11:46 am-7:00 pm

1 stop10h 14m

$366

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Wed 7/23

9:30 pm-11:05 am

1 stop10h 35m

Ontario

Tue 7/29

2:21 pm-10:04 pm

1 stop10h 43m

$369

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Tue 4/15

10:30 pm-11:05 am

1 stop9h 35m

Ontario

Wed 4/23

1:20 pm-7:35 pm

1 stop9h 15m

$377

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 4/8

7:00 am-5:51 pm

1 stop7h 51m

Ontario

Mon 8/18

6:00 am-11:44 am

1 stop8h 44m

$385

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Fri 8/22

9:44 pm-9:26 am

1 stop8h 42m

Ontario

Mon 8/25

6:00 am-1:13 pm

1 stop10h 13m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 59 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 $326). 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 March 28, 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 March 28, 2025.

The most flights from USHI to ONT are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, 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 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated March 28, 2025.
To help decide which airline to fly from Hawaii to Ontario, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Food

7.1

Entertainment

7.6

Overall

8.1

Comfort

8.1

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 5 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 to fly from Hawaii to Ontario one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $126. Delta flights start at $142 while deals on Alaska Airlines start at $159 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, Kahului - Ontario or Kona Intl - Ontario as they are the most popular.

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

    Consider JetBlue (67%), American Airlines (36%) or Alaska Airlines (34%) when booking your flight. These represent the most reliable airlines when flying from Hawaii to Ontario.

  • What are the cheapest flights from Hawaii to Ontario?

    The cheapest flight price from Hawaii to Ontario is $164. On average you can expect to pay $391. The most popular route, (Honolulu - Ontario), can usually be booked for $325.

  • 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 $326). 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$198Average$586FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$257Average$528FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$273Average$447FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$296Average$526FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$494Average$723FlexibilityNo cancel feeOn-time63%
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