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Ontario

$153+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
HNL — ONT
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$315
(lastminute.com)

One-way from

$153
(lastminute.com)

Popular in

June

Cheapest in

February

Average price

$495

Good round-trip deal

$459 or less

Good one-way deal

$276 or less
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. 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 July 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 July 31, 2025.

This lastminute.com 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 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 7/30$315
This Delta deal was found by Cheapflights users on 7/29. 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 9/410:42 pmHNL - ONT
1 stop9h 08mDelta
Mon 9/812:00 pmONT - HNL
1 stop10h 05mDelta
Deal found 7/29$319
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 9/239:40 pmHNL - ONT
2 stops11h 33mUnited Airlines
Fri 9/261:53 pmONT - HNL
1 stop8h 15mUnited Airlines
Deal found 7/30$333
This lastminute.com 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1812:38 pmHNL - ONT
Nonstop5h 32mMultiple Airlines
Wed 9/243:06 pmONT - HNL
1 stop11h 40mMultiple Airlines
Deal found 7/30$370
This Southwest deal was found by Cheapflights users on 7/29. 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.
Fri 9/58:15 amHNL - ONT
1 stop9h 10mSouthwest
Sun 9/75:45 amONT - HNL
2 stops10h 05mSouthwest
Deal found 7/29$381
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 10/308:40 amHNL - ONT
Nonstop5h 34mHawaiian Airlines
Wed 11/59:45 amONT - HNL
Nonstop6h 03mHawaiian Airlines
Deal found 7/31$386

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 July 31, 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

Thu 9/4

12:38 pm-9:10 pm

Nonstop5h 32m

Ontario

Wed 9/10

11:39 am-7:07 pm

1 stop10h 28m

$315

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 9/4

10:42 pm-10:50 am

1 stop9h 08m

Ontario

Mon 9/8

12:00 pm-7:05 pm

1 stop10h 05m

$319

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 9/23

9:40 pm-12:13 pm

2 stops11h 33m

Ontario

Fri 9/26

1:53 pm-7:08 pm

1 stop8h 15m

$333

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 9/18

12:38 pm-9:10 pm

Nonstop5h 32m

Ontario

Wed 9/24

3:06 pm-11:46 pm

1 stop11h 40m

$370

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 9/5

8:15 am-8:25 pm

1 stop9h 10m

Ontario

Sun 9/7

5:45 am-12:50 pm

2 stops10h 05m

$381

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 10/30

8:40 am-5:14 pm

Nonstop5h 34m

Ontario

Wed 11/5

9:45 am-1:48 pm

Nonstop6h 03m

$386

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 12/5

8:10 am-7:47 pm

1 stop9h 37m

$153

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Wed 9/24

10:33 pm-11:09 am

1 stop9h 36m

$159

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 9/23

11:09 pm-2:12 pm

1 stop12h 03m

$168

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Wed 9/3

9:40 pm-12:13 pm

2 stops11h 33m

$182

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 July 31, 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 July 31, 2025.

The most flights from zzFUW 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 July 31, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from O'ahu to Ontario by reading reviews from past customers. 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
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

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

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

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

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

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
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

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
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

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
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

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 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 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 O'ahu to Ontario one-way?

    $153 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 $159 and $165, 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 (83%), Hawaiian Airlines (83%) or JetBlue (74%) 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 $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 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 July 31, 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$497Average$668FlexibilityNo cancel feeOn-time63%

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