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Cheap flights from O'ahu to Los Angeles from $145

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from O'ahu to Los Angeles departing on 2/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from O'ahu to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
2:40 pm - 10:15 pm
HNL
-
ONT
5h 35mnonstop
Alaska Airlines Logo
8:41 am - 12:45 pm
ONT
-
HNL
6h 04mnonstop
$301Alaska Airlines
Tue, Mar 3 - Wed, Mar 4
Alaska Airlines Logo
2:40 pm - 10:15 pm
HNL
-
ONT
5h 35mnonstop
Alaska Airlines Logo
8:41 am - 12:45 pm
ONT
-
HNL
6h 04mnonstop
$312Alaska Airlines
Tue, Mar 3 - Wed, Mar 4
Alaska Airlines Logo
2:54 pm - 10:28 pm
HNL
-
ONT
5h 34mnonstop
Alaska Airlines Logo
8:13 am - 12:29 pm
ONT
-
HNL
6h 16mnonstop
$314Alaska Airlines
Mon, Feb 2 - Mon, Feb 9
Alaska Airlines Logo
2:54 pm - 10:28 pm
HNL
-
ONT
5h 34mnonstop
Alaska Airlines Logo
8:13 am - 12:29 pm
ONT
-
HNL
6h 16mnonstop
$318Alaska Airlines
Mon, Feb 2 - Mon, Feb 9
Multiple Airlines Logo
7:00 am - 11:32 pm
HNL
-
ONT
13h 32m1 stop
Multiple Airlines Logo
6:00 am - 7:14 pm
ONT
-
HNL
16h 14m1 stop
$320Multiple Airlines
Mon, Mar 9 - Wed, Mar 25
Multiple Airlines Logo
11:59 pm - 11:56 pm
HNL
-
ONT
21h 57m1 stop
Multiple Airlines Logo
11:53 am - 7:56 pm
ONT
-
HNL
10h 03m1 stop
$322Multiple Airlines
Thu, Jan 29 - Tue, Feb 3
Multiple Airlines Logo
11:35 pm - 11:32 pm
HNL
-
ONT
20h 57m1 stop
Multiple Airlines Logo
6:00 am - 3:05 pm
ONT
-
HNL
12h 05m1 stop
$323Multiple Airlines
Sun, Mar 15 - Tue, Mar 24
Multiple Airlines Logo
2:54 pm - 10:28 pm
HNL
-
ONT
5h 34mnonstop
Multiple Airlines Logo
7:00 am - 2:44 pm
ONT
-
HNL
9h 44m1 stop
$327Multiple Airlines
Thu, Jan 29 - Tue, Feb 3
Delta Logo
1:17 pm - 10:51 pm
HNL
-
ONT
31h 34m1 stop
Delta Logo
5:10 pm - 11:50 am
ONT
-
HNL
20h 40m2 stops
$328Delta
Fri, Jan 16 - Fri, Jan 23
Alaska Airlines Logo
2:40 pm - 10:15 pm
HNL
-
ONT
5h 35mnonstop
Alaska Airlines Logo
8:41 am - 12:45 pm
ONT
-
HNL
6h 04mnonstop
$330Alaska Airlines
Fri, Feb 27 - Tue, Mar 3

United Airlines flights from O'ahu to Ontario

Our best United Airlines deals on O'ahu to Ontario flight tickets
United Airlines
Jan 14
HNL8:00 amHonolulu
7h 43m
1 stop
ONT5:43 pmOntario
Jan 21
ONT6:00 amOntario
9h 19m
1 stop
HNL1:19 pmHonolulu
$427
Find similar
United Airlines
Dec 26
HNL11:30 pmHonolulu
8h 29m
1 stop
ONT9:59 amOntario
Jan 5
ONT10:42 amOntario
8h 55m
1 stop
HNL5:37 pmHonolulu
$627
Find similar
United Airlines
Dec 28
HNL11:50 pmHonolulu
8h 11m
1 stop
ONT10:01 amOntario
Jan 2
ONT10:42 amOntario
8h 55m
1 stop
HNL5:37 pmHonolulu
$657
Find similar

Alaska Airlines flights from O'ahu to Ontario

Our best Alaska Airlines deals on O'ahu to Ontario flight tickets
Alaska Airlines
Mar 3
HNL2:40 pmHonolulu
5h 35m
ONT10:15 pmOntario
Mar 4
ONT8:41 amOntario
6h 04m
HNL12:45 pmHonolulu
$301
Find similar
Alaska Airlines
Mar 3
HNL2:40 pmHonolulu
5h 35m
ONT10:15 pmOntario
Mar 4
ONT8:41 amOntario
6h 04m
HNL12:45 pmHonolulu
$312
Find similar
Alaska Airlines
Feb 2
HNL2:54 pmHonolulu
5h 34m
ONT10:28 pmOntario
Feb 9
ONT8:13 amOntario
6h 16m
HNL12:29 pmHonolulu
$314
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from O'ahu to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 3/3

2:40 pm-10:15 pm

Nonstop5h 35m

Ontario

Wed 3/4

8:41 am-12:45 pm

Nonstop6h 04m

$301

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Tue 3/3

2:40 pm-10:15 pm

Nonstop5h 35m

Ontario

Wed 3/4

8:41 am-12:45 pm

Nonstop6h 04m

$312

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Mon 2/2

2:54 pm-10:28 pm

Nonstop5h 34m

Ontario

Mon 2/9

8:13 am-12:29 pm

Nonstop6h 16m

$314

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Mon 2/2

2:54 pm-10:28 pm

Nonstop5h 34m

Ontario

Mon 2/9

8:13 am-12:29 pm

Nonstop6h 16m

$318

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Mon 3/9

7:00 am-11:32 pm

1 stop13h 32m

Ontario

Wed 3/25

6:00 am-7:14 pm

1 stop16h 14m

$320

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 1/29

11:59 pm-11:56 pm

1 stop21h 57m

Ontario

Tue 2/3

11:53 am-7:56 pm

1 stop10h 03m

$322

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Sun 3/15

11:35 pm-11:32 pm

1 stop20h 57m

Ontario

Tue 3/24

6:00 am-3:05 pm

1 stop12h 05m

$323

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Thu 1/29

2:54 pm-10:28 pm

Nonstop5h 34m

Ontario

Tue 2/3

7:00 am-2:44 pm

1 stop9h 44m

$327

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 1/16

1:17 pm-10:51 pm

1 stop31h 34m

Ontario

Fri 1/23

5:10 pm-11:50 am

2 stops20h 40m

$328

HonoluluOntario

HNL - ONT

HNLONT

Honolulu

Fri 2/27

2:40 pm-10:15 pm

Nonstop5h 35m

Ontario

Tue 3/3

8:41 am-12:45 pm

Nonstop6h 04m

$330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

How to get the cheapest flight ticket from O'ahu to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Ontario?

In general, February is the cheapest month to fly from O'ahu to Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $383. If you aren’t able to travel during the month of February, then book flights to Ontario from O'ahu during September instead. Flights to Ontario in September, while not as cheap as those in February, still average around $395.

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $395. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from O'ahu to Ontario for around $617.

What is the cheapest time of day to depart on your flight to Ontario?

At noon is the cheapest time of day to fly from O'ahu to Ontario when you can find flight prices for as low as $419. Flying to Ontario at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $506 on average. Flights to Ontario from O'ahu in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest O'ahu to Ontario flight route?

Fly from Honolulu to Ontario for the best O'ahu - Ontario flight prices

How far in advance should I book a flight to Ontario?

You are more likely to see cheaper flights to Ontario from O'ahu when booking weeks ahead of your departure date. In general, you can expect to find flights to Ontario for around $491 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ontario from O'ahu for as low as $273 on momondo.

What cabin class options are available on O'ahu to Ontario flights?

There are 4 cabin classes available to choose from on O'ahu to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on O'ahu to Ontario flights?

No. A direct flight is the cheapest option for a flight between O'ahu to Ontario.

Cheap O'ahu to Ontario flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from O'ahu to Ontario

Best Price Found

$219

Fastest flight time

5h 24m

Direct flights

Every day

Airports in Ontario

1 airport
The best one-way flight to Ontario from O'ahu in the past 72 hours is $219. The best round-trip flight deal from O'ahu to Ontario found on momondo in the last 72 hours is $507.
The fastest flight from O'ahu to Ontario takes 5h 24m
Direct flights go from O'ahu to Ontario every day.
There is 1 airport in Ontario. From O'ahu there are direct flights to Ontario (ONT).
Search flight deals

  • When did momondo last update prices for flights from O'ahu to Ontario Airport?

    Prices for flights from O'ahu to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from O'ahu to Ontario Airport?

  • How old do you have to be to fly from O'ahu to Ontario Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from O'ahu to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from O'ahu to Ontario?

Best airlines flying from O'ahu to Ontario

Compare and see reviews for airlines that fly from O'ahu to Ontario with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $282Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,105 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $343Free CancellationRating
8.0
11,513 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $497Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from O'ahu to Ontario?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from O'ahu to Ontario. momondo saves you time and could save you money on your trip.

Can I find flights from O'ahu to Ontario with flexible booking policies on momondo?

All flight searches from O'ahu to Ontario on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from O'ahu to Ontario?

Once you have performed a search for O'ahu to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from O'ahu to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of O'ahu to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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