O'ahu

$139+ Cheap flights from Ontario (ONT) to O'ahu

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Mar 6 — Mar 131
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Cheap flight deals from Ontario to O'ahu

Cheapest flights from Ontario to O'ahu
Explore the most affordable flight options available from Ontario to O'ahu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 4, 2026.

This Jetabroad deal was found by Cheapflights users on 2/3. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/178:45 am
ONT
-
HNL
Nonstop6h 04m
Hawaiian Airlines
Tue 3/242:25 pm
HNL
-
ONT
Nonstop5h 34m
Hawaiian Airlines
Deal found 2/3$305
This Kiwi.com deal was found by Cheapflights users on 2/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:30 am
ONT
-
HNL
Nonstop6h 05m
Multiple Airlines
Tue 5/59:09 pm
HNL
-
ONT
1 stop9h 36m
Multiple Airlines
Deal found 2/3$306
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:41 am
ONT
-
HNL
Nonstop6h 04m
Alaska Airlines
Tue 3/1012:20 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/2$307
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/88:45 am
ONT
-
HNL
Nonstop6h 04m
Alaska Airlines
Wed 3/1112:20 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/3$310
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:02 pm
ONT
-
HNL
1 stop12h 04m
Multiple Airlines
Mon 3/22:40 pm
HNL
-
ONT
Nonstop5h 35m
Multiple Airlines
Deal found 2/3$311
This Trip.com deal was found by Cheapflights users on 2/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:02 pm
ONT
-
HNL
1 stop12h 04m
Hawaiian Airlines
Wed 3/1112:20 pm
HNL
-
ONT
Nonstop5h 35m
Hawaiian Airlines
Deal found 2/2$313
This American Airlines deal was found by Cheapflights users on 2/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2312:18 pm
ONT
-
HNL
1 stop8h 57m
American Airlines
Mon 3/211:00 pm
HNL
-
ONT
1 stop7h 48m
American Airlines
Deal found 2/2$314
This Southwest deal was found by Cheapflights users on 2/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:20 am
ONT
-
HNL
1 stop12h 05m
Southwest
Mon 3/98:15 am
HNL
-
ONT
1 stop7h 00m
Southwest
Deal found 2/1$316
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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 5/78:30 am
ONT
-
HNL
Nonstop6h 05m
Alaska Airlines
Tue 5/1212:35 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Deal found 2/4$317
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 4/286:00 am
ONT
-
HNL
1 stop8h 48m
United Airlines
Tue 5/510:10 pm
HNL
-
ONT
1 stop8h 31m
United Airlines
Deal found 2/3$320
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Wed 5/68:30 am
ONT
-
HNL
Nonstop6h 05m
Multiple Airlines
Mon 5/1111:59 pm
HNL
-
ONT
1 stop11h 33m
Multiple Airlines
Deal found 2/4$321
This Delta deal was found by Cheapflights users on 2/2. 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.
Mon 4/136:00 am
ONT
-
HNL
2 stops13h 36m
Delta
Mon 4/2010:45 pm
HNL
-
ONT
1 stop11h 54m
Delta
Deal found 2/2$322

Find flight deals from Ontario to O'ahu

Keep the following information in mind while searching for Ontario to O'ahu flight deals. Data was last updated February 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$305
(Jetabroad)

One-way from

$139
(Alaska Airlines)

Popular in

June

Cheapest in

February

Average price

$317

Good round-trip deal

$390 or less

Good one-way deal

$201 or less
Provider with most accurate pricing for Los Angeles-Honolulu flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Honolulu flights.
From Ontario to O'ahu
One-way flight from Ontario to O'ahu
Highest demand for flights based on searches. 13% potential increase in price ($61 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Ontario to O'ahu.
Price to beat on a one-way flight from Ontario to O'ahu.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to O'ahu 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 4, 2026.
Use the filters below to find and compare flights from Ontario to O'ahu that are best for you.

Fly from

Ontario

Fly to

O'ahu

Route

Depart

Return

Price

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 3/17

8:45 am-11:49 am

Nonstop6h 04m

Honolulu

Tue 3/24

2:25 pm-10:59 pm

Nonstop5h 34m

$317

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 3/3

8:41 am-12:45 pm

Nonstop6h 04m

Honolulu

Tue 3/10

12:20 pm-8:55 pm

Nonstop5h 35m

$317

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 4/13

6:00 am-4:36 pm

2 stops13h 36m

Honolulu

Mon 4/20

10:45 pm-1:39 pm

1 stop11h 54m

$322

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 2/25

6:00 am-9:54 pm

2 stops17h 54m

Honolulu

Wed 3/4

7:45 am-11:49 pm

2 stops14h 04m

$327

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 2/26

12:02 pm-10:06 pm

1 stop12h 04m

Honolulu

Mon 3/2

2:40 pm-10:15 pm

Nonstop5h 35m

$329

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 4/27

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Mon 5/4

9:09 pm-9:45 am

1 stop9h 36m

$331

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 3/10

8:45 am-11:49 am

Nonstop6h 04m

Honolulu

Tue 3/17

12:20 pm-8:55 pm

Nonstop5h 35m

$336

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 3/2

1:50 pm-9:00 pm

1 stop9h 10m

Honolulu

Mon 3/9

7:00 am-10:57 pm

2 stops12h 57m

$340

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sat 4/18

8:32 am-11:35 am

Nonstop6h 03m

Honolulu

Thu 4/30

12:35 pm-9:10 pm

Nonstop5h 35m

$347

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 3/18

8:32 am-11:35 am

Nonstop6h 03m

Honolulu

Wed 3/18

2:25 pm-10:59 pm

Nonstop5h 34m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 22 results
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Best time to book a flight from Ontario to O'ahu

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

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

Currently, February is the cheapest month in which you can book a flight from Ontario to O'ahu (average of $159). Flying from Ontario to O'ahu in July is currently the most expensive (average of $268). 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 ONT to FUW?

Find hourly flight availability from Ontario to O'ahu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 4, 2026.

When flying from Ontario to O'ahu, 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 Ontario to O'ahu

Explore weekly flight availability from Ontario to O'ahu. 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 4, 2026.

The most flights from ONT to zzFUW 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 O'ahu

Get insights into the airlines that provide service to O'ahu. 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 O'ahu. Reviews last updated February 4, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Hawaiian Airlines from Ontario to O'ahu have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Boarding

8.1

Food

7.1

Overall

8.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Ontario to O'ahu. 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 from for flights from Ontario to O'ahu?

    If you book a flight to O'ahu from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • How popular is this Ontario to O'ahu flight route?

  • How long is the flight from Ontario to O'ahu?

    Alaska Airlines and Delta can get you from Ontario to O'ahu in just under 6h 04m. Your travel time can differ by up to 7h 32m. Airlines will cover a distance of 2598 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Ontario to O'ahu one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $151. Alaska Airlines flights start at $153 while deals on Hawaiian Airlines start at $159 one-way.

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

    On average you can expect to pay $1,279 for a flight from Ontario to O'ahu. The cheapest flight overall is $148 while the most popular route, (Ontario - Honolulu) is currently priced at $282.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Ontario to O'ahu (average of $159). Flying from Ontario to O'ahu in July is currently the most expensive (average of $268). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to O'ahu

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Ontario to O'ahu

Discover the top 6 airlines that operate flights from Ontario to O'ahu. 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 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$291FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$198Average$493FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$317Average$515FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$317Average$503FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$331Average$573FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$376Average$582FlexibilityNo cancel feeOn-time63%

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