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$169+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
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 February 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$322
(United Airlines)

One-way from

$169
(Alaska Airlines)

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 O'ahu to Ontario
Search Deals
One-way flight from O'ahu to Ontario
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals
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 February 23, 2025.

This United Airlines deal was found by Cheapflights users on 2/23. 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 4/238:00 amHNL - ONT
2 stops11h 55mUnited Airlines
Wed 4/301:20 pmONT - HNL
1 stop9h 01mUnited Airlines
Deal found 2/23$322
This Hawaiian Airlines deal was found by Cheapflights users on 2/21. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/131:20 pmHNL - ONT
Nonstop5h 30mHawaiian Airlines
Tue 5/279:50 amONT - HNL
Nonstop5h 55mHawaiian Airlines
Deal found 2/21$338
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 7/221:20 pmHNL - ONT
Nonstop5h 35mAlaska Airlines
Sun 8/39:50 amONT - HNL
Nonstop5h 55mAlaska Airlines
Deal found 2/22$368
This Delta deal was found by Cheapflights users on 2/22. 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 2/2711:30 pmHNL - ONT
1 stop10h 54mDelta
Thu 3/66:00 amONT - HNL
1 stop12h 58mDelta
Deal found 2/22$407
This Southwest deal was found by Cheapflights users on 2/22. 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.
Mon 3/108:40 amHNL - ONT
1 stop9h 40mSouthwest
Mon 3/1710:20 amONT - HNL
1 stop8h 40mSouthwest
Deal found 2/22$437
This Sembo deal was found by Cheapflights users on 2/22. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/12:15 pmHNL - ONT
Nonstop5h 35mMultiple Airlines
Fri 3/79:45 amONT - HNL
Nonstop6h 10mMultiple Airlines
Deal found 2/22$673
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Sat 4/129:20 pmHNL - ONT
1 stop8h 39mAmerican Airlines
Sat 4/267:25 pmONT - HNL
1 stop25h 07mAmerican Airlines
Deal found 2/22$697

Find flights from O'ahu to Ontario within your budget

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 February 23, 2025.

Fly from

O'ahu

Fly to

Ontario

Route

Depart

Return

Price

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Wed 4/23

8:00 am-10:55 pm

2 stops11h 55m

Ontario

Wed 4/30

1:20 pm-7:21 pm

1 stop9h 01m

$322

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 5/13

1:20 pm-9:50 pm

Nonstop5h 30m

Ontario

Tue 5/27

9:50 am-12:45 pm

Nonstop5h 55m

$338

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 7/22

1:20 pm-9:55 pm

Nonstop5h 35m

Ontario

Sun 8/3

9:50 am-12:45 pm

Nonstop5h 55m

$368

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Mon 3/10

8:40 am-9:20 pm

1 stop9h 40m

Ontario

Mon 3/17

10:20 am-4:00 pm

1 stop8h 40m

$437

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 3/25

10:31 pm-11:02 am

1 stop9h 31m

Ontario

Sat 3/29

5:40 am-4:24 pm

1 stop13h 44m

$470

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sat 4/12

9:20 pm-8:59 am

1 stop8h 39m

Ontario

Sat 4/26

7:25 pm-5:32 pm

1 stop25h 07m

$697

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 3/7

8:00 am-6:04 pm

1 stop8h 04m

Ontario

Sat 3/8

9:45 am-1:55 pm

Nonstop6h 10m

$723

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 5/1

1:20 pm-9:50 pm

Nonstop5h 30m

$169

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 3/20

7:00 am-10:22 pm

1 stop12h 22m

$179

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sat 3/1

2:15 pm-9:50 pm

Nonstop5h 35m

$231

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 13 results
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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.

Travel insights for flights from O'ahu to Ontario

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

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 $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 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 February 23, 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.

Weekly flight availability from O'ahu to Ontario

Explore weekly flight availability from O'ahu 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 23, 2025.

The most flights from zzFUW 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 23, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.6

Overall

8.1

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
4,395 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.6

Overall

8.1

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
9,706 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.6

Overall

8.1

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
8,203 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.6

Overall

8.1

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
2,314 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.6

Overall

8.1

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
8,754 reviews
Southwest
8.1
Very good
4,395 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Crew

8.7

Entertainment

7.6

Overall

8.1

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 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?

    $169 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 Delta and Hawaiian Airlines, with prices starting from $179 and $231, 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 Alaska Airlines (58%), JetBlue (58%) or Hawaiian Airlines (58%) 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 $315. The most popular route, (Honolulu - Ontario), can usually be booked for $322.

  • 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 $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.

See more FAQs

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Alternative routes for O'ahu to Ontario

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Top 4 airlines flying from O'ahu to Ontario

Discover the top 4 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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$238Average$475FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$253Average$454FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$257Average$463FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$296Average$524FlexibilityNo cancel feeOn-time69%
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