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$119+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Hawaii to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Hawaii (USHI) to Ontario (ONT). 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 January 21, 2025.

Round-trip from

$248
(Alaska Airlines)

One-way from

$119
(Alaska Airlines)
From Hawaii to Ontario
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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 January 21, 2025.

This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 4/291:20 pmHNL - ONT
Nonstop5h 30mAlaska Airlines
Tue 5/69:45 amONT - HNL
Nonstop6h 10mAlaska Airlines
Deal found 1/20$248
This Delta deal was found by Cheapflights users on 1/19. 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 4/238:30 pmKOA - ONT
1 stop11h 17mDelta
Tue 4/295:40 amONT - KOA
1 stop15h 02mDelta
Deal found 1/19$321
This Delta deal was found by Cheapflights users on 1/20. 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.
Mon 3/1010:30 pmHNL - ONT
1 stop10h 59mDelta
Tue 3/1811:42 amONT - HNL
1 stop10h 40mDelta
Deal found 1/20$323
This lastminute.com deal was found by Cheapflights users on 1/20. 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.
Wed 2/52:15 pmHNL - ONT
Nonstop5h 35mHawaiian Airlines
Tue 2/1110:40 amONT - HNL
Nonstop6h 05mHawaiian Airlines
Deal found 1/20$344
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 2/33:30 pmKOA - ONT
1 stop17h 04mAlaska Airlines
Mon 2/106:00 amONT - KOA
1 stop19h 44mAlaska Airlines
Deal found 1/20$359
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 2/34:30 pmOGG - ONT
1 stop16h 04mAlaska Airlines
Mon 2/106:00 amONT - OGG
1 stop18h 57mAlaska Airlines
Deal found 1/20$370
This United Airlines deal was found by Cheapflights users on 1/21. 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 1/2911:31 pmOGG - ONT
1 stop8h 20mUnited Airlines
Fri 1/316:15 amONT - OGG
1 stop8h 39mUnited Airlines
Deal found 1/21$377
This American Airlines deal was found by Cheapflights users on 1/20. 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 1/2310:30 pmHNL - ONT
1 stop8h 39mAmerican Airlines
Sat 1/256:10 amONT - HNL
1 stop11h 29mAmerican Airlines
Deal found 1/20$378
This Delta deal was found by Cheapflights users on 1/20. 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 3/59:20 pmOGG - ONT
2 stops13h 04mDelta
Mon 3/1011:42 amONT - OGG
1 stop10h 37mDelta
Deal found 1/20$390
This Delta deal was found by Cheapflights users on 1/20. 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 3/268:15 pmLIH - ONT
1 stop11h 47mDelta
Tue 4/1511:29 amONT - LIH
1 stop10h 15mDelta
Deal found 1/20$402
This Southwest deal was found by Cheapflights users on 1/20. 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 4/311:15 amHNL - ONT
1 stop9h 00mSouthwest
Mon 4/75:40 amONT - HNL
2 stops12h 35mSouthwest
Deal found 1/20$422
This United Airlines deal was found by Cheapflights users on 1/20. 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 1/2911:30 pmHNL - ONT
1 stop8h 21mUnited Airlines
Wed 2/56:15 amONT - HNL
1 stop8h 30mUnited Airlines
Deal found 1/20$434

Find flights from Hawaii to Ontario within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 4/29

1:20 pm-9:50 pm

Nonstop5h 30m

Ontario

Tue 5/6

9:45 am-12:55 pm

Nonstop6h 10m

$248

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Wed 4/23

8:30 pm-10:47 am

1 stop11h 17m

Ontario

Tue 4/29

5:40 am-5:42 pm

1 stop15h 02m

$321

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Mon 3/10

10:30 pm-12:29 pm

1 stop10h 59m

Ontario

Tue 3/18

11:42 am-7:22 pm

1 stop10h 40m

$323

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Wed 2/5

2:15 pm-9:50 pm

Nonstop5h 35m

Ontario

Tue 2/11

10:40 am-2:45 pm

Nonstop6h 05m

$344

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Mon 2/3

3:30 pm-10:34 am

1 stop17h 04m

Ontario

Mon 2/10

6:00 am-11:44 pm

1 stop19h 44m

$359

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Mon 2/3

4:30 pm-10:34 am

1 stop16h 04m

Ontario

Mon 2/10

6:00 am-10:57 pm

1 stop18h 57m

$370

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Wed 3/5

9:20 pm-12:24 pm

2 stops13h 04m

Ontario

Mon 3/10

11:42 am-7:19 pm

1 stop10h 37m

$390

LihueOntario

LIH - ONT

LIHONT

Lihue

Wed 3/26

8:15 pm-11:02 am

1 stop11h 47m

Ontario

Tue 4/15

11:29 am-6:44 pm

1 stop10h 15m

$402

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 3/11

9:32 pm-8:47 am

1 stop8h 15m

Ontario

Sun 3/16

7:35 pm-6:33 pm

1 stop25h 58m

$412

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 4/3

11:15 am-11:15 pm

1 stop9h 00m

Ontario

Mon 4/7

5:40 am-3:15 pm

2 stops12h 35m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 50 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.

Travel insights for flights from Hawaii to Ontario

Get recent, data-driven insights about flights from Hawaii to Ontario including ideal travel times, pricing trends, and more.

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 $311). 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 January 21, 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 January 21, 2025.

The most flights from USHI to ONT 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 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 January 21, 2025.
To help decide which airline to fly from Hawaii to Ontario, see what other customers have to say about Alaska Airlines, Delta and United Airlines. 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
4,659 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
4,659 reviews
Southwest
8.1
Very good
4,659 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,706 reviews
Southwest
8.1
Very good
4,659 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,521 reviews
Southwest
8.1
Very good
4,659 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Hawaiian Airlines
7.9
Good
2,334 reviews
Southwest
8.1
Very good
4,659 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
8,982 reviews
Southwest
8.1
Very good
4,659 reviews

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Overall

8.1

Comfort

8.1

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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 7 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $119. Delta flights start at $126 while deals on American Airlines start at $139 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 most reliable airlines from Hawaii to Ontario?

    Consider Hawaiian Airlines (86%), Alaska Airlines (72%) or JetBlue (72%) 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 $123. On average you can expect to pay $495. The most popular route, (Honolulu - Ontario), can usually be booked for $268.

  • 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 $311). 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.

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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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$128Average$520FlexibilityNo cancel feeOn-time85%
DeltaCheapest$192Average$361FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$209Average$291FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$241Average$501FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$253Average$454FlexibilityNo cancel feeOn-time75%
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