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$142+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(Delta)

One-way from

$142
(Delta)

Popular in

June

Cheapest in

February

Average price

$281

Good round-trip deal

$349 or less

Good one-way deal

$184 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. 14% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/18. 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 4/238:20 pmKOA - ONT
1 stop11h 45mDelta
Tue 4/295:45 amONT - KOA
1 stop14h 54mDelta
Deal found 2/18$283
This Delta deal was found by Cheapflights users on 2/19. 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.
Tue 12/910:45 pmLIH - ONT
1 stop12h 38mDelta
Tue 1/67:00 amONT - LIH
1 stop15h 31mDelta
Deal found 2/19$321
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/131:20 pmHNL - ONT
Nonstop5h 35mAlaska Airlines
Sun 8/179:50 amONT - HNL
Nonstop5h 55mAlaska Airlines
Deal found 2/19$338
This Trip.com deal was found by Cheapflights users on 2/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/272:15 pmHNL - ONT
Nonstop5h 35mHawaiian Airlines
Wed 3/59:45 amONT - HNL
Nonstop6h 10mHawaiian Airlines
Deal found 2/19$355
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/19:40 pmHNL - ONT
2 stops14h 10mUnited Airlines
Wed 4/93:55 pmONT - HNL
1 stop9h 03mUnited Airlines
Deal found 2/19$383
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/249:16 pmKOA - ONT
1 stop8h 43mAmerican Airlines
Tue 4/294:35 pmONT - KOA
1 stop24h 45mAmerican Airlines
Deal found 2/19$399
This Delta deal was found by Cheapflights users on 2/19. 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.
Sun 3/211:30 pmHNL - ONT
1 stop10h 54mDelta
Tue 3/46:00 amONT - HNL
2 stops16h 25mDelta
Deal found 2/19$402
This Delta deal was found by Cheapflights users on 2/19. 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.
Fri 3/77:15 pmOGG - ONT
2 stops18h 10mDelta
Tue 3/1111:42 amONT - OGG
1 stop10h 37mDelta
Deal found 2/19$403
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/127:00 amKOA - ONT
1 stop10h 55mAlaska Airlines
Tue 4/86:00 amONT - KOA
1 stop19h 30mAlaska Airlines
Deal found 2/19$412
This Southwest deal was found by Cheapflights users on 2/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/89:40 amHNL - ONT
1 stop8h 00mSouthwest
Sun 3/168:15 amONT - HNL
1 stop12h 20mSouthwest
Deal found 2/19$417
This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/711:30 pmOGG - ONT
1 stop8h 24mUnited Airlines
Tue 3/116:00 amONT - OGG
1 stop9h 13mUnited Airlines
Deal found 2/19$423
This American Airlines deal was found by Cheapflights users on 2/19. 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 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
Mon 4/710:00 amONT - HNL
1 stop31h 48mAmerican Airlines
Deal found 2/19$437

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 February 20, 2025.

Fly from

Hawaii

Fly to

Ontario

Route

Depart

Return

Price

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Wed 4/23

8:20 pm-11:05 am

1 stop11h 45m

Ontario

Tue 4/29

5:45 am-5:39 pm

1 stop14h 54m

$283

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Wed 8/13

1:20 pm-9:55 pm

Nonstop5h 35m

Ontario

Sun 8/17

9:50 am-12:45 pm

Nonstop5h 55m

$338

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sun 3/2

2:15 pm-9:50 pm

Nonstop5h 35m

Ontario

Wed 3/5

9:45 am-1:55 pm

Nonstop6h 10m

$363

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sun 3/2

11:30 pm-9:15 am

1 stop7h 45m

Ontario

Wed 3/5

6:00 am-3:10 pm

1 stop11h 10m

$382

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 4/24

9:16 pm-8:59 am

1 stop8h 43m

Ontario

Tue 4/29

4:35 pm-2:20 pm

1 stop24h 45m

$399

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sun 3/2

11:30 pm-12:24 pm

1 stop10h 54m

Ontario

Tue 3/4

6:00 am-8:25 pm

2 stops16h 25m

$402

KahuluiOntario

OGG - ONT

OGGONT

Kahului

Fri 3/7

7:15 pm-3:25 pm

2 stops18h 10m

Ontario

Tue 3/11

11:42 am-7:19 pm

1 stop10h 37m

$403

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Wed 3/12

7:00 am-8:55 pm

1 stop10h 55m

Ontario

Tue 4/8

6:00 am-10:30 pm

1 stop19h 30m

$412

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sat 3/8

9:40 am-7:40 pm

1 stop8h 00m

Ontario

Sun 3/16

8:15 am-5:35 pm

1 stop12h 20m

$417

LihueOntario

LIH - ONT

LIHONT

Lihue

Wed 3/5

10:51 pm-3:25 pm

1 stop14h 34m

Ontario

Wed 3/12

11:42 am-6:50 pm

1 stop10h 08m

$419

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 53 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 $315). 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 20, 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 February 20, 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 February 20, 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
4,412 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Melissa,Aug 2024

HNL - LAS

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

Southwest
8.1
Very good
4,412 reviews
Southwest
8.1
Very good
4,412 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Melissa,Aug 2024

HNL - LAS

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

Alaska Airlines
8.0
Very good
9,691 reviews
Southwest
8.1
Very good
4,412 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Melissa,Aug 2024

HNL - LAS

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

Delta
8.0
Very good
8,227 reviews
Southwest
8.1
Very good
4,412 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Melissa,Aug 2024

HNL - LAS

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

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,412 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Melissa,Aug 2024

HNL - LAS

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

United Airlines
7.4
Good
8,771 reviews
Southwest
8.1
Very good
4,412 reviews

Comfort

8.1

Food

7.1

Overall

8.1

Crew

8.7

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

10.0
Excellent

Melissa,Aug 2024

HNL - LAS

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 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 Delta, which is currently one of the cheapest options available, starting at $142. Alaska Airlines flights start at $169 while deals on United Airlines start at $189 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 Lihue - Ontario as they are the most popular.

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

    Consider Alaska Airlines (58%), JetBlue (58%) or Hawaiian Airlines (58%) 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 $315. The most popular route, (Honolulu - Ontario), can usually be booked for $337.

  • 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 $315). 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 4 airlines flying from Hawaii to Ontario

Discover the top 4 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$238Average$475FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$253Average$431FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$257Average$487FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$296Average$524FlexibilityNo cancel feeOn-time69%
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