HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Hawaii

$134+ Cheap flights from Ontario (ONT) to Hawaii

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Hawaii with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Hawaii

Keep the following information in mind while searching for Ontario to Hawaii flight deals. Data was last updated November 5, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$329
(Alaska Airlines)

One-way from

$134
(Cheapflightsfares)

Popular in

June

Cheapest in

February

Average price

$366

Good round-trip deal

$444 or less

Good one-way deal

$239 or less
Provider with most accurate pricing for Los Angeles-Honolulu flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Honolulu flights.
Search Deals
From Ontario to Hawaii
Search Deals
One-way flight from Ontario to Hawaii
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($69 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Ontario to Hawaii.
Search Deals
Price to beat on a one-way flight from Ontario to Hawaii.
Search Deals

Find flight deals from Ontario to Hawaii

Cheapest flights from Ontario to Hawaii
Explore the most affordable flight options available from Ontario to Hawaii. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 5, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/36:00 amONT - KOA
1 stop10h 40mAlaska Airlines
Tue 12/99:10 pmKOA - ONT
1 stop12h 09mAlaska Airlines
Deal found 11/4$337
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/36:15 amONT - OGG
2 stops30h 51mMultiple Airlines
Thu 12/1111:51 amOGG - ONT
1 stop8h 38mMultiple Airlines
Deal found 11/4$350
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:12 pmONT - OGG
1 stop14h 54mMultiple Airlines
Thu 12/1111:51 amOGG - ONT
1 stop8h 38mMultiple Airlines
Deal found 11/4$351
This Alaska Airlines deal was found by Cheapflights users on 11/3. 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 12/36:00 amONT - KOA
1 stop10h 40mAlaska Airlines
Wed 12/109:10 pmKOA - ONT
1 stop12h 09mAlaska Airlines
Deal found 11/3$357
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Tue 12/96:00 amONT - LIH
1 stop11h 51mAlaska Airlines
Mon 12/1511:25 pmLIH - ONT
1 stop9h 54mAlaska Airlines
Deal found 11/4$359
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/46:00 amONT - OGG
1 stop18h 53mAlaska Airlines
Mon 12/811:20 pmOGG - ONT
1 stop9h 59mAlaska Airlines
Deal found 11/4$359
This Delta deal was found by Cheapflights users on 11/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:49 pmONT - OGG
1 stop28h 29mDelta
Thu 12/1110:00 pmOGG - ONT
1 stop11h 13mDelta
Deal found 11/4$362
This Delta deal was found by Cheapflights users on 11/5. 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 12/116:00 amONT - LIH
2 stops16h 10mDelta
Tue 12/169:50 pmLIH - ONT
1 stop11h 23mDelta
Deal found 11/5$364
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/36:00 amONT - OGG
1 stop18h 53mAlaska Airlines
Wed 12/109:00 pmOGG - ONT
2 stops12h 19mAlaska Airlines
Deal found 11/4$364
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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.
Sat 12/612:13 pmONT - KOA
1 stop11h 17mAlaska Airlines
Tue 12/99:10 pmKOA - ONT
1 stop12h 09mAlaska Airlines
Deal found 11/4$367
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:00 amONT - KOA
1 stop11h 48mDelta
Fri 1/98:45 pmKOA - ONT
1 stop15h 11mDelta
Deal found 11/3$368
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:12 pmONT - OGG
1 stop14h 54mMultiple Airlines
Sat 12/139:00 pmOGG - ONT
2 stops24h 31mMultiple Airlines
Deal found 11/4$369

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated November 5, 2025.
Use the filters below to find and compare flights from Ontario to Hawaii that are best for you.

Fly from

Ontario

Fly to

Hawaii

Route

Depart

Return

Price

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 1/22

8:13 am-4:00 pm

1 stop9h 47m

Kona Intl

Wed 1/28

9:10 pm-10:59 am

1 stop11h 49m

$333

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 1/20

8:13 am-4:00 pm

1 stop9h 47m

Kona Intl

Wed 1/28

7:40 pm-10:28 pm

1 stop24h 48m

$349

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 1/15

8:13 am-4:00 pm

1 stop9h 47m

Kona Intl

Wed 1/21

9:10 pm-10:59 am

1 stop11h 49m

$353

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 2/5

11:53 am-9:30 pm

1 stop11h 37m

Kona Intl

Mon 2/9

12:51 pm-10:28 pm

1 stop7h 37m

$353

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Sun 1/11

8:13 am-4:00 pm

1 stop9h 47m

Kona Intl

Thu 1/15

6:00 am-10:28 pm

1 stop14h 28m

$358

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Thu 12/11

6:40 am-8:18 pm

1 stop15h 38m

Kahului

Mon 12/15

10:00 pm-11:13 am

1 stop11h 13m

$359

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 1/20

7:30 am-6:47 pm

1 stop13h 17m

Kona Intl

Wed 1/28

9:42 pm-12:16 pm

2 stops12h 34m

$363

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Fri 12/5

6:00 am-8:10 pm

2 stops16h 10m

Lihue

Tue 12/9

9:50 pm-11:13 am

1 stop11h 23m

$384

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 12/9

6:00 am-5:22 pm

1 stop13h 22m

Kona Intl

Sat 12/13

7:50 pm-9:43 pm

1 stop23h 53m

$384

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 12/9

6:00 am-2:40 pm

1 stop10h 40m

Kona Intl

Wed 12/24

12:22 pm-10:08 pm

1 stop7h 46m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Ontario to Hawaii

Have a flexible travel schedule? Discover the best time to fly to Hawaii 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 Hawaii

What is the cheapest month to book a flight from Ontario to Hawaii?

Currently, January is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $132). Flying from Ontario to Hawaii in June is currently the most expensive (average of $211). 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 HI?

Find hourly flight availability from Ontario to Hawaii. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 5, 2025.

One of the essential ways to save on airfare from Ontario to Hawaii is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 43% on airfare.

What is the cheapest day to fly from Ontario to Hawaii?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Hawaii. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Ontario to Hawaii flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Ontario to Hawaii

Explore weekly flight availability from Ontario to Hawaii. 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 November 5, 2025.

The most flights from ONT to USHI 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).

How much does it cost to fly round-trip from Ontario to Hawaii?

Reviews of airlines servicing Hawaii

Get insights into the airlines that provide service to Hawaii. 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 Hawaii. Reviews last updated November 5, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Ontario to Hawaii. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,241 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,241 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,239 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
8,004 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,800 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,001 reviews
Alaska Airlines
8.0
Very good
11,241 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Hawaii. 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 Hawaii?

    For a flight from Ontario to Hawaii, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How popular is this Ontario to Hawaii flight route?

    The Ontario to Hawaii flight path was viewed by 32 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Ontario to Hawaii?

    Departing from Ontario to Hawaii will take you 9h 47m. Ontario and Hawaii are separated by a distance of 2547 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Ontario to Hawaii?

    Most travelers choose Ontario - Honolulu, Ontario - Kahului or Ontario - Kona Intl when deciding on the best route from Ontario to Hawaii.

  • What are the cheapest flights from Ontario to Hawaii?

    Looking for the cheapest flight from Ontario to Hawaii? While on average our users pay $417, our data indicates the cheapest price to be $193. The most popular route (Ontario - Honolulu), is priced around $295.

  • Can I find deals for flights from Ontario to Hawaii that include hotel bookings?

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

  • How can I find direct flights from Ontario to Hawaii?

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

  • Can I find deals for business class flights from Ontario to Hawaii?

    Yes. Cheapflights offers flight deals from Ontario to Hawaii 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 Hawaii?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $132). Flying from Ontario to Hawaii in June is currently the most expensive (average of $211). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Hawaii

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
San Francisco to Los Angeles flights
Los Angeles to Dallas/Fort Worth flights
San Francisco to Newark flights
Los Angeles to LaGuardia flights
Los Angeles to Honolulu flights
San Francisco to Ontario flights
Los Angeles to Seattle flights
San Francisco to Las Vegas flights
San Francisco to Santa Ana flights
Los Angeles to San Francisco flights
San Francisco to Seattle flights
San Francisco to Dallas/Fort Worth flights
Santa Ana to San Francisco flights
Los Angeles to Orlando flights
Ontario to San Francisco flights
Los Angeles to Las Vegas flights
San Francisco to Honolulu flights
San Francisco to LaGuardia flights
Los Angeles to Fort Lauderdale flights
Los Angeles to Miami flights
Ontario to Seattle flights
San Francisco to O'Hare Intl flights
Los Angeles to San Jose flights
San Jose to Las Vegas flights
San Diego to John F Kennedy Intl flights
Burbank to Las Vegas flights
Los Angeles to Boston flights
Los Angeles to Portland flights
Los Angeles to Reagan-National flights
Los Angeles to O'Hare Intl flights
Los Angeles to Hobby flights
Los Angeles to Dulles Intl flights
Santa Ana to Dallas/Fort Worth flights
Santa Ana to Las Vegas flights
Los Angeles to Denver flights
Ontario to John F Kennedy Intl flights
Santa Ana to Seattle flights
San Diego to Newark flights
San Jose to Los Angeles flights
San Francisco to San Diego flights
San Francisco to Miami flights
San Diego to Seattle flights
Los Angeles to Sky Harbor Intl flights
Los Angeles to Kahului flights
Burbank to LaGuardia flights
Ontario to Denver flights
San Francisco to Kahului flights

Top 6 airlines flying from Ontario to Hawaii

Discover the top 6 airlines that operate flights from Ontario to Hawaii. 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 November 5, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$371FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$232Average$443FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$239Average$531FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$277Average$556FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$308Average$569FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$318Average$563FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.