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Cheap flights from Ontario to Hawaii from $139

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 Hawaii departing on 1/12. 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 Hawaii

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:53 am - 6:51 pm
ONT
-
KOA
10h 58m1 stop
American Airlines Logo
9:20 pm - 9:08 am
KOA
-
ONT
9h 48m1 stop
$256American Airlines
Mon, Jan 5 - Mon, Jan 12
Delta Logo
7:30 am - 6:47 pm
ONT
-
KOA
13h 17m1 stop
Delta Logo
9:55 pm - 1:56 pm
KOA
-
ONT
14h 01m1 stop
$277Delta
Thu, Jan 29 - Wed, Feb 4
American Airlines Logo
9:53 am - 6:51 pm
ONT
-
KOA
10h 58m1 stop
American Airlines Logo
9:20 pm - 9:08 am
KOA
-
ONT
9h 48m1 stop
$278American Airlines
Mon, Jan 5 - Mon, Jan 12
Multiple Airlines Logo
8:13 am - 3:05 pm
ONT
-
OGG
8h 52m1 stop
Multiple Airlines Logo
10:36 am - 10:28 pm
OGG
-
ONT
9h 52m1 stop
$288Multiple Airlines
Mon, Feb 2 - Fri, Feb 6
Multiple Airlines Logo
8:13 am - 3:05 pm
ONT
-
OGG
8h 52m1 stop
Multiple Airlines Logo
7:06 pm - 10:28 pm
OGG
-
ONT
25h 22m1 stop
$289Multiple Airlines
Mon, Feb 2 - Sat, Feb 7
Delta Logo
7:30 am - 6:47 pm
ONT
-
KOA
13h 17m1 stop
Delta Logo
9:55 pm - 10:44 pm
KOA
-
ONT
22h 49m1 stop
$291Delta
Thu, Jan 29 - Thu, Feb 5
Alaska Airlines Logo
7:00 am - 10:00 pm
ONT
-
OGG
17h 00m1 stop
Alaska Airlines Logo
10:36 am - 10:28 pm
OGG
-
ONT
9h 52m1 stop
$293Alaska Airlines
Mon, Feb 2 - Fri, Feb 6
Southwest Logo
6:05 am - 1:30 pm
ONT
-
OGG
9h 25m1 stop
Southwest Logo
9:25 pm - 9:20 am
OGG
-
ONT
9h 55m1 stop
$297Southwest
Fri, Jan 23 - Sun, Feb 1
Alaska Airlines Logo
11:53 am - 9:30 pm
ONT
-
KOA
11h 37m1 stop
Alaska Airlines Logo
9:10 pm - 3:08 pm
KOA
-
ONT
15h 58m1 stop
$300Alaska Airlines
Sat, Jan 31 - Tue, Feb 3
Southwest Logo
6:05 am - 4:40 pm
ONT
-
OGG
12h 35m2 stops
Southwest Logo
9:25 pm - 12:25 pm
OGG
-
ONT
13h 00m1 stop
$302Southwest
Fri, Jan 23 - Sun, Feb 1

Alaska Airlines flights from Ontario to Hawaii

Our best Alaska Airlines deals on Ontario to Hawaii flight tickets
Alaska Airlines
Feb 2
ONT7:00 amOntario
17h 00m
1 stop
OGG10:00 pmKahului
Feb 7
OGG7:06 pmKahului
25h 22m
1 stop
ONT10:28 pmOntario
$293
Find similar
Alaska Airlines
Jan 31
ONT11:53 amOntario
11h 37m
1 stop
KOA9:30 pmKona Intl
Feb 3
KOA9:10 pmKona Intl
15h 58m
1 stop
ONT3:08 pmOntario
$300
Find similar
Alaska Airlines
Jan 7
ONT1:46 pmOntario
10h 14m
1 stop
OGG10:00 pmKahului
Jan 11
OGG10:29 pmKahului
12h 37m
1 stop
ONT1:06 pmOntario
$314
Find similar

Southwest flights from Ontario to Hawaii

Our best Southwest deals on Ontario to Hawaii flight tickets
Southwest
Jan 23
ONT6:05 amOntario
9h 25m
1 stop
OGG1:30 pmKahului
Feb 1
OGG9:25 pmKahului
9h 55m
1 stop
ONT9:20 amOntario
$297
Find similar
Southwest
Jan 23
ONT6:05 amOntario
12h 35m
2 stops
OGG4:40 pmKahului
Feb 1
OGG9:25 pmKahului
13h 00m
1 stop
ONT12:25 pmOntario
$302
Find similar
Southwest
Jan 8
ONT6:05 amOntario
10h 45m
2 stops
OGG2:50 pmKahului
Jan 15
OGG9:35 pmKahului
10h 45m
1 stop
ONT10:20 amOntario
$342
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ontario to Hawaii 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 11, 2025.
Use the filters below to find and compare flights from Ontario to Hawaii that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 1/5

9:53 am-6:51 pm

1 stop10h 58m

Kona Intl

Mon 1/12

9:20 pm-9:08 am

1 stop9h 48m

$256

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 1/29

7:30 am-6:47 pm

1 stop13h 17m

Kona Intl

Wed 2/4

9:55 pm-1:56 pm

1 stop14h 01m

$277

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 1/5

9:53 am-6:51 pm

1 stop10h 58m

Kona Intl

Mon 1/12

9:20 pm-9:08 am

1 stop9h 48m

$278

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Mon 2/2

8:13 am-3:05 pm

1 stop8h 52m

Kahului

Fri 2/6

10:36 am-10:28 pm

1 stop9h 52m

$288

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Mon 2/2

8:13 am-3:05 pm

1 stop8h 52m

Kahului

Sat 2/7

7:06 pm-10:28 pm

1 stop25h 22m

$289

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 1/29

7:30 am-6:47 pm

1 stop13h 17m

Kona Intl

Thu 2/5

9:55 pm-10:44 pm

1 stop22h 49m

$291

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Mon 2/2

7:00 am-10:00 pm

1 stop17h 00m

Kahului

Fri 2/6

10:36 am-10:28 pm

1 stop9h 52m

$293

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Fri 1/23

6:05 am-1:30 pm

1 stop9h 25m

Kahului

Sun 2/1

9:25 pm-9:20 am

1 stop9h 55m

$297

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Sat 1/31

11:53 am-9:30 pm

1 stop11h 37m

Kona Intl

Tue 2/3

9:10 pm-3:08 pm

1 stop15h 58m

$300

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Fri 1/23

6:05 am-4:40 pm

2 stops12h 35m

Kahului

Sun 2/1

9:25 pm-12:25 pm

1 stop13h 00m

$302

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 Hawaii from

How to get the cheapest flight ticket from Ontario to Hawaii

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 Hawaii?

If you don’t want to visit Hawaii in January, then you should wait until February to fly from Ontario, when ticket prices are also cheap, with an average price of $371.

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

On average, the least expensive day to fly to Hawaii from Ontario is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $476. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Ontario to Hawaii on a Saturday will generally be more expensive and average around $567. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our data shows that the cheapest Ontario to Hawaii flights are usually those with departure times in the afternoon. Our users have found flights to Hawaii in the afternoon for as low as $376. Flights in the morning are often more expensive with an average ticket price of $507.

What is the cheapest Ontario to Hawaii flight route?

Fly from Ontario to Honolulu for the best Ontario - Hawaii flight prices

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

You are more likely to see cheaper flights to Hawaii from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Hawaii for around $498 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hawaii from Ontario for as low as $445 on momondo.

What cabin class options are available on Ontario to Hawaii flights?

There are 4 cabin classes available to choose from on Ontario to Hawaii 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 Hawaii flights?

You could potentially save up to 3% on your flight if you consider stops on a Ontario to Hawaii flight.

Cheap Ontario to Hawaii flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Hawaii

Best Price Found

$269

Fastest flight time

5h 55m

Direct flights

Every day

Airports in Hawaii

40 airports
The best one-way flight to Hawaii from Ontario in the past 72 hours is $269. The best round-trip flight deal from Ontario to Hawaii found on momondo in the last 72 hours is $373.
The fastest flight from Ontario to Hawaii takes 5h 55m
Direct flights go from Ontario to Hawaii every day.
There are 40 airports in Hawaii. From Ontario there are direct flights to Honolulu (HNL).
Search flight deals

  • When did momondo last update prices for flights from Ontario Airport to Hawaii?

    Prices for flights from Ontario Airport to Hawaii were last updated today.

  • How many operators does momondo search for flights from Ontario Airport to Hawaii?

  • How old do you have to be to fly from Ontario Airport to Hawaii?

    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 Hawaii.

  • What documentation or ID do you need to fly to Hawaii?

    The travel and health documents required for your trip to Hawaii can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Hawaii. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Ontario to Hawaii?

Best airlines flying from Ontario to Hawaii

Compare and see reviews for airlines that fly from Ontario to Hawaii with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $168Free CancellationRating
7.9
8,009 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $232Free CancellationRating
7.8
2,818 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $265Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
SouthwestPriceFrom $277Free CancellationRating
7.9
4,252 reviews
Search Southwest flights
American AirlinesPriceFrom $308Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $317Free CancellationRating
8.0
11,429 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Hawaii?

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

Can I find flights from Ontario to Hawaii with flexible booking policies on momondo?

Flights from Ontario to Hawaii with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Ontario to Hawaii?

Once all potential Ontario to Hawaii flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Ontario to Hawaii 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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