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Ontario

$159+ Cheap flights from O'ahu 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
1 adult, Economy
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Cheap flight deals from O'ahu to Ontario

Keep the following information in mind while searching for O'ahu to Ontario flight deals. Data was last updated April 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$318
(Hawaiian Airlines)

One-way from

$159
(Alaska Airlines)

Popular in

June

Cheapest in

February

Average price

$330

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 O'ahu to Ontario
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One-way flight from O'ahu to Ontario
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Highest demand for flights based on searches. 14% potential increase in price ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from O'ahu to Ontario.
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Price to beat on a one-way flight from O'ahu to Ontario.
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Find flight deals from O'ahu to Ontario

Cheapest flights from O'ahu to Ontario
Explore the most affordable flight options available from O'ahu to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 4, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 4/3. 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.
Sun 5/41:20 pmHNL - ONT
Nonstop5h 30mHawaiian Airlines
Sat 5/109:45 amONT - HNL
Nonstop6h 10mHawaiian Airlines
Deal found 4/3$318
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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 9/1112:38 pmHNL - ONT
Nonstop5h 32mAlaska Airlines
Sun 9/148:35 amONT - HNL
Nonstop6h 03mAlaska Airlines
Deal found 4/4$331
This American Airlines deal was found by Cheapflights users on 4/4. 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 5/19:20 pmHNL - ONT
1 stop8h 39mAmerican Airlines
Sun 5/410:00 amONT - HNL
1 stop10h 32mAmerican Airlines
Deal found 4/4$337
This United Airlines deal was found by Cheapflights users on 4/3. 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.
Thu 9/1110:30 pmHNL - ONT
1 stop7h 08mUnited Airlines
Tue 9/1610:00 amONT - HNL
2 stops12h 49mUnited Airlines
Deal found 4/3$342
This Southwest deal was found by Cheapflights users on 4/3. 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.
Sun 4/278:15 amHNL - ONT
1 stop10h 45mSouthwest
Tue 5/66:45 amONT - HNL
1 stop12h 20mSouthwest
Deal found 4/3$480
This Delta deal was found by Cheapflights users on 4/3. 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 4/2910:35 pmHNL - ONT
1 stop15h 09mDelta
Mon 5/55:45 amONT - HNL
1 stop16h 34mDelta
Deal found 4/3$540

Cheapflights Fare Finder

Customize your flight search to find flights from O'ahu 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 April 4, 2025.
Use the filters below to find and compare flights from O'ahu to Ontario that are best for you.

Fly from

O'ahu

Fly to

Ontario

Route

Depart

Return

Price

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sun 5/4

1:20 pm-9:50 pm

Nonstop5h 30m

Ontario

Sat 5/10

9:45 am-12:55 pm

Nonstop6h 10m

$318

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

$331

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 5/1

9:20 pm-8:59 am

1 stop8h 39m

Ontario

Sun 5/4

10:00 am-5:32 pm

1 stop10h 32m

$337

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 9/11

10:30 pm-8:38 am

1 stop7h 08m

Ontario

Tue 9/16

10:00 am-7:49 pm

2 stops12h 49m

$342

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sun 4/27

8:15 am-10:00 pm

1 stop10h 45m

Ontario

Tue 5/6

6:45 am-4:05 pm

1 stop12h 20m

$480

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 4/29

10:35 pm-4:44 pm

1 stop15h 09m

Ontario

Mon 5/5

5:45 am-7:19 pm

1 stop16h 34m

$540

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Mon 5/5

1:20 pm-9:50 pm

Nonstop5h 30m

$159

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Wed 8/27

10:20 pm-11:27 am

1 stop10h 07m

$170

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Wed 8/27

12:38 pm-9:10 pm

Nonstop5h 32m

$171

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 5/20

9:40 pm-12:24 pm

2 stops11h 44m

$200

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/4

Showing 1-10 of 12 results
1
2

Best time to book a flight from O'ahu to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from O'ahu 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 O'ahu to Ontario

What is the cheapest month to book a flight from O'ahu to Ontario?

Currently, August is the cheapest month in which you can book a flight from O'ahu to Ontario (average of $246). Flying from O'ahu 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 FUW to ONT?

Find hourly flight availability from O'ahu 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 April 4, 2025.

When flying from O'ahu 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.

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 April 4, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from O'ahu to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,837 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Alaska Airlines
8.0
Very good
9,837 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
Hawaiian Airlines
7.9
Good
2,353 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot
United Airlines
7.4
Good
8,618 reviews
Alaska Airlines
8.0
Very good
9,837 reviews

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Seleste,Dec 2024

FAT - SAN

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

Find useful and relevant information for your journey from O'ahu 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 O'ahu?

    If you book a flight to Ontario from O'ahu, 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 O'ahu to Ontario flight route?

    The O'ahu 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 O'ahu to Ontario one-way?

    $159 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on American Airlines and Hawaiian Airlines, with prices starting from $170 and $171, respectively.

  • What are the most reliable airlines from O'ahu to Ontario?

    No one likes to see their flight delayed. When booking a flight from O'ahu to Ontario consider choosing JetBlue (62%), American Airlines (43%) or Alaska Airlines (31%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from O'ahu to Ontario?

    The cheapest flight price from O'ahu to Ontario is $164. On average you can expect to pay $413. The most popular route, (Honolulu - Ontario), can usually be booked for $318.

  • Can I find deals for flights from O'ahu to Ontario that include hotel bookings?

    Yes. In addition to deals on O'ahu to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'ahu to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'ahu to Ontario.

  • Can I find deals for business class flights from O'ahu to Ontario?

    Yes. Cheapflights offers flight deals from O'ahu 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 O'ahu to Ontario?

    Currently, August is the cheapest month in which you can book a flight from O'ahu to Ontario (average of $246). Flying from O'ahu 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 O'ahu 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 O'ahu to Ontario

Discover the top 5 airlines that operate flights from O'ahu 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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$198Average$586FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$254Average$477FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$296Average$534FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$313Average$457FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$494Average$723FlexibilityNo cancel feeOn-time63%

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