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Ontario

$155+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
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 August 2, 2025.

Round-trip from

$308
(flugladen.de)

One-way from

$155
(lastminute.com)

Popular in

June

Cheapest in

February

Average price

$384

Good round-trip deal

$459 or less

Good one-way deal

$276 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. 19% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 2, 2025.

This flugladen.de deal was found by Cheapflights users on 7/30. 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.
Wed 9/109:50 pmOGG - ONT
1 stop9h 54mHawaiian Airlines
Tue 9/166:00 amONT - OGG
1 stop12h 58mHawaiian Airlines
Deal found 7/30$308
This lastminute.com deal was found by Cheapflights users on 7/31. 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 9/412:38 pmHNL - ONT
Nonstop5h 32mAlaska Airlines
Wed 9/1011:39 amONT - HNL
1 stop10h 28mAlaska Airlines
Deal found 7/31$318
This United Airlines deal was found by Cheapflights users on 7/30. 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.
Tue 11/118:00 amHNL - ONT
2 stops12h 45mUnited Airlines
Sun 11/166:00 amONT - HNL
1 stop9h 05mUnited Airlines
Deal found 7/30$324
This Delta deal was found by Cheapflights users on 7/31. 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 9/47:10 pmHNL - ONT
1 stop10h 45mDelta
Wed 9/1011:40 amONT - HNL
1 stop10h 25mDelta
Deal found 7/31$327
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 9/117:00 pmITO - ONT
2 stops16h 12mAlaska Airlines
Mon 9/1511:39 amONT - ITO
2 stops13h 38mAlaska Airlines
Deal found 7/30$330
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/99:39 pmOGG - ONT
1 stop8h 47mAlaska Airlines
Thu 9/183:06 pmONT - OGG
1 stop9h 32mAlaska Airlines
Deal found 7/31$340
This American Airlines deal was found by Cheapflights users on 8/1. 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 9/410:00 pmOGG - ONT
1 stop10h 56mAmerican Airlines
Wed 9/106:10 amONT - OGG
1 stop10h 51mAmerican Airlines
Deal found 8/1$343
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 9/1710:30 pmLIH - ONT
1 stop9h 14mAlaska Airlines
Mon 9/2911:39 amONT - LIH
1 stop12h 51mAlaska Airlines
Deal found 7/31$359
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 9/159:32 pmKOA - ONT
1 stop10h 12mAlaska Airlines
Mon 9/223:06 pmONT - KOA
1 stop10h 03mAlaska Airlines
Deal found 8/1$361
This lastminute.com deal was found by Cheapflights users on 7/31. 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 10/2312:05 pmHNL - ONT
Nonstop5h 32mHawaiian Airlines
Sat 11/19:45 amONT - HNL
Nonstop6h 03mHawaiian Airlines
Deal found 7/31$377
This Delta deal was found by Cheapflights users on 8/2. 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 8/269:47 pmKOA - ONT
1 stop10h 03mDelta
Mon 9/86:00 amONT - KOA
1 stop14h 34mDelta
Deal found 8/2$379
This lol.travel deal was found by Cheapflights users on 7/30. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:05 amOGG - ONT
1 stop7h 32mUnited Airlines
Wed 9/101:42 pmONT - OGG
1 stop10h 11mUnited Airlines
Deal found 7/30$388

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 August 2, 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

Wed 9/10

9:50 pm-10:44 am

1 stop9h 54m

Ontario

Tue 9/16

6:00 am-3:58 pm

1 stop12h 58m

$308

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 9/4

12:38 pm-9:10 pm

Nonstop5h 32m

Ontario

Wed 9/10

11:39 am-7:07 pm

1 stop10h 28m

$318

LihueOntario

LIH - ONT

LIHONT

Lihue

Thu 9/4

9:40 pm-10:50 am

1 stop10h 10m

Ontario

Sun 9/7

11:40 am-7:03 pm

1 stop10h 23m

$319

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 11/11

8:00 am-10:45 pm

2 stops12h 45m

Ontario

Sun 11/16

6:00 am-1:05 pm

1 stop9h 05m

$324

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 9/4

7:10 pm-8:55 am

1 stop10h 45m

Ontario

Wed 9/10

11:40 am-7:05 pm

1 stop10h 25m

$327

HiloOntario

ITO - ONT

ITOONT

Hilo Intl

Thu 9/11

7:00 pm-2:12 pm

2 stops16h 12m

Ontario

Mon 9/15

11:39 am-10:17 pm

2 stops13h 38m

$330

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Tue 9/9

9:39 pm-9:26 am

1 stop8h 47m

Ontario

Thu 9/18

3:06 pm-9:38 pm

1 stop9h 32m

$340

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Thu 9/4

10:00 pm-11:56 am

1 stop10h 56m

Ontario

Wed 9/10

6:10 am-2:01 pm

1 stop10h 51m

$343

LihueOntario

LIH - ONT

LIHONT

Lihue

Wed 9/17

10:30 pm-10:44 am

1 stop9h 14m

Ontario

Mon 9/29

11:39 am-9:30 pm

1 stop12h 51m

$359

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Mon 9/15

9:32 pm-10:44 am

1 stop10h 12m

Ontario

Mon 9/22

3:06 pm-10:09 pm

1 stop10h 03m

$361

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 47 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 $328). 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 August 2, 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 August 2, 2025.

The most flights from USHI to ONT are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 August 2, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Hawaii to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,983 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,613 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,904 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 9 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 $155. Delta flights start at $160 while deals on Hawaiian Airlines start at $163 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, Lihue - Ontario or Kahului - Ontario as they are the most popular.

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

    Consider JetBlue (90%), Alaska Airlines (89%) or Hawaiian Airlines (89%) 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 $215. On average you can expect to pay $414. The most popular route, (Honolulu - Ontario), can usually be booked for $319.

  • 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 $328). 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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$226Average$446FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$238Average$586FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$296Average$519FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$318Average$518FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$319Average$572FlexibilityNo cancel feeOn-time63%

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