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Cheap flights from Ontario to O'ahu from $122

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to O'ahu departing on 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ontario to O'ahu

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
8:13 am - 12:29 pmONT-HNL
6h 16mnonstop
Alaska Airlines Logo
2:54 pm - 10:28 pmHNL-ONT
5h 34mnonstop
$318Alaska Airlines
Find Deal
vie., ene. 16 - mar., ene. 20
Alaska Airlines Logo
8:13 am - 12:29 pmONT-HNL
6h 16mnonstop
Alaska Airlines Logo
8:50 am - 8:10 pmHNL-ONT
9h 20m1 stop
$319Alaska Airlines
Find Deal
mar., ene. 20 - jue., ene. 29
United Airlines Logo
6:00 am - 1:19 pmONT-HNL
9h 19m1 stop
United Airlines Logo
8:00 am - 5:43 pmHNL-ONT
7h 43m1 stop
$320United Airlines
Find Deal
jue., ene. 8 - mié., ene. 14
Hawaiian Airlines Logo
11:53 am - 7:56 pmONT-HNL
10h 03m1 stop
Hawaiian Airlines Logo
9:41 pm - 10:59 amHNL-ONT
11h 18m1 stop
$321Hawaiian Airlines
Find Deal
lun., ene. 12 - mié., ene. 21
United Airlines Logo
1:53 pm - 8:55 pmONT-HNL
9h 02m1 stop
United Airlines Logo
10:50 pm - 11:18 amHNL-ONT
10h 28m2 stops
$322United Airlines
Find Deal
mié., ene. 21 - dom., ene. 25
Alaska Airlines Logo
11:53 am - 7:56 pmONT-HNL
10h 03m1 stop
Alaska Airlines Logo
2:54 pm - 10:28 pmHNL-ONT
5h 34mnonstop
$323Alaska Airlines
Find Deal
dom., feb. 1 - jue., feb. 5
Alaska Airlines Logo
11:53 am - 7:56 pmONT-HNL
10h 03m1 stop
Alaska Airlines Logo
2:54 pm - 10:28 pmHNL-ONT
5h 34mnonstop
$324Alaska Airlines
Find Deal
mié., ene. 21 - dom., ene. 25
Alaska Airlines Logo
8:41 am - 12:45 pmONT-HNL
6h 04mnonstop
Alaska Airlines Logo
9:45 pm - 11:08 amHNL-ONT
11h 23m1 stop
$325Alaska Airlines
Find Deal
lun., feb. 23 - vie., feb. 27
Alaska Airlines Logo
6:00 am - 2:14 pmONT-HNL
10h 14m1 stop
Alaska Airlines Logo
2:54 pm - 10:28 pmHNL-ONT
5h 34mnonstop
$326Alaska Airlines
Find Deal
vie., ene. 30 - mar., feb. 10
United Airlines Logo
10:42 am - 5:37 pmONT-HNL
8h 55m1 stop
United Airlines Logo
11:30 pm - 11:18 amHNL-ONT
9h 48m1 stop
$327United Airlines
Find Deal
lun., ene. 5 - lun., ene. 12

Delta flights from Ontario to O'ahu

Our best Delta deals on Ontario to O'ahu flight tickets
Delta
Jan 29
ONT7:30 amOntario
11h 35m
1 stop
HNL5:05 pmHonolulu
Feb 2
HNL9:35 pmHonolulu
12h 41m
2 stops
ONT12:16 pmOntario
$333
Find similar
Delta
Feb 23
ONT7:30 amOntario
11h 35m
1 stop
HNL5:05 pmHonolulu
Feb 26
HNL7:45 amHonolulu
14h 04m
2 stops
ONT11:49 pmOntario
$335
Find similar
Delta
Feb 23
ONT7:30 amOntario
11h 35m
1 stop
HNL5:05 pmHonolulu
Feb 26
HNL7:45 amHonolulu
12h 52m
1 stop
ONT10:37 pmOntario
$336
Find similar

Southwest flights from Ontario to O'ahu

Our best Southwest deals on Ontario to O'ahu flight tickets
Southwest
Jan 29
ONT6:05 amOntario
9h 10m
1 stop
HNL1:15 pmHonolulu
Feb 4
HNL9:00 amHonolulu
8h 30m
1 stop
ONT7:30 pmOntario
$327
Find similar
Southwest
Jan 21
ONT5:55 amOntario
9h 00m
1 stop
HNL12:55 pmHonolulu
Jan 25
HNL9:00 pmHonolulu
13h 25m
1 stop
ONT12:25 pmOntario
$331
Find similar
Southwest
Jan 29
ONT6:05 amOntario
9h 10m
1 stop
HNL1:15 pmHonolulu
Feb 4
HNL9:30 pmHonolulu
10h 35m
2 stops
ONT10:05 amOntario
$332
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated diciembre 3, 2025.
Use the filters below to find and compare flights from Ontario to O'ahu that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

vie. 1/16

8:13 am-12:29 pm

Nonstop6h 16m

Honolulu

mar. 1/20

2:54 pm-10:28 pm

Nonstop5h 34m

$318

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

mar. 1/20

8:13 am-12:29 pm

Nonstop6h 16m

Honolulu

jue. 1/29

8:50 am-8:10 pm

1 stop9h 20m

$319

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

jue. 1/8

6:00 am-1:19 pm

1 stop9h 19m

Honolulu

mié. 1/14

8:00 am-5:43 pm

1 stop7h 43m

$320

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

lun. 1/12

11:53 am-7:56 pm

1 stop10h 03m

Honolulu

mié. 1/21

9:41 pm-10:59 am

1 stop11h 18m

$321

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

mié. 1/21

1:53 pm-8:55 pm

1 stop9h 02m

Honolulu

dom. 1/25

10:50 pm-11:18 am

2 stops10h 28m

$322

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

dom. 2/1

11:53 am-7:56 pm

1 stop10h 03m

Honolulu

jue. 2/5

2:54 pm-10:28 pm

Nonstop5h 34m

$323

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

mié. 1/21

11:53 am-7:56 pm

1 stop10h 03m

Honolulu

dom. 1/25

2:54 pm-10:28 pm

Nonstop5h 34m

$324

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

lun. 2/23

8:41 am-12:45 pm

Nonstop6h 04m

Honolulu

vie. 2/27

9:45 pm-11:08 am

1 stop11h 23m

$325

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

vie. 1/30

6:00 am-2:14 pm

1 stop10h 14m

Honolulu

mar. 2/10

2:54 pm-10:28 pm

Nonstop5h 34m

$326

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

lun. 1/5

10:42 am-5:37 pm

1 stop8h 55m

Honolulu

lun. 1/12

11:30 pm-11:18 am

1 stop9h 48m

$327

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 O'ahu from

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

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 O'ahu?

The month of January is another great option to travel to O'ahu, with average flight prices from Ontario averaging around $378.

What is the cheapest day to depart on your flight to O'ahu?

According to our data, Wednesday is the cheapest day to fly to O'ahu from Ontario. The lowest ticket price found for a Wednesday departure recently was $470. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to O'ahu on Saturday is $570.

What is the cheapest time of day to depart on your flight to O'ahu?

According to our data, the cheapest time of day to fly to O'ahu is in the afternoon. momondo users have found flights departing from Ontario to O'ahu in the afternoon for as low as $376. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $506.

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

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

How far in advance should I book a flight to O'ahu?

You are more likely to see cheaper flights to O'ahu from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to O'ahu for around $494 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to O'ahu from Ontario for as low as $429 on momondo.

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

There are 4 cabin classes available to choose from on Ontario to O'ahu 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 Ontario to O'ahu flights?

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

Cheap Ontario to O'ahu flight deals and tips

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

Best Price Found

$269

Fastest flight time

5h 55m

Direct flights

Every day

Airports in O'ahu

1 airport
The best one-way flight to O'ahu from Ontario in the past 72 hours is $269. The best round-trip flight deal from Ontario to O'ahu found on momondo in the last 72 hours is $398.
The fastest flight from Ontario to O'ahu takes 5h 55m
Direct flights go from Ontario to O'ahu every day.
There is 1 airport near O'ahu: Honolulu (HNL)
Search flight deals

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to O'ahu.

  • What documentation or ID do you need to fly to O'ahu?

    The required travel and health documents for your O'ahu trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at O'ahu. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Ontario to O'ahu

Compare and see reviews for airlines that fly from Ontario to O'ahu with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $168Free CancellationRating
7.9
8,007 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $281Free CancellationRating
7.8
2,815 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
9,064 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $317Free CancellationRating
8.0
11,391 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $357Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
SouthwestPriceFrom $407Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to O'ahu from Ontario.

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

Yes. momondo allows you to filter the results for Ontario to O'ahu flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to O'ahu from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Ontario to O'ahu 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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Find better results for your trip to O'ahu

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