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$126+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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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 March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(Delta)

One-way from

$126
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$386

Good round-trip deal

$413 or less

Good one-way deal

$199 or less
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From Ontario to Hawaii
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One-way flight from Ontario to Hawaii
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Highest demand for flights based on searches. 14% potential increase in price ($60 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Ontario to Hawaii.
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Price to beat on a one-way flight from Ontario to Hawaii.
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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 March 26, 2025.

This Delta deal was found by Cheapflights users on 3/25. 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 9/47:00 amONT - KOA
1 stop13h 38mDelta
Mon 9/159:45 pmKOA - ONT
1 stop12h 38mDelta
Deal found 3/25$283
This Delta deal was found by Cheapflights users on 3/25. 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 4/225:45 amONT - OGG
1 stop14h 19mDelta
Wed 4/308:57 pmOGG - ONT
1 stop13h 58mDelta
Deal found 3/25$287
This Delta deal was found by Cheapflights users on 3/24. 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.
Sun 4/2711:45 amONT - LIH
1 stop9h 59mDelta
Wed 5/79:45 pmLIH - ONT
1 stop13h 30mDelta
Deal found 3/24$301
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 4/16:00 amONT - HNL
1 stop10h 38mAlaska Airlines
Wed 4/301:20 pmHNL - ONT
Nonstop5h 30mAlaska Airlines
Deal found 3/25$323
This Hawaiian Airlines deal was found by Cheapflights users on 3/25. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:00 amONT - HNL
Nonstop5h 55mHawaiian Airlines
Wed 8/2012:38 pmHNL - ONT
Nonstop5h 32mHawaiian Airlines
Deal found 3/25$332
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Thu 3/276:00 amONT - HNL
2 stops13h 28mUnited Airlines
Wed 4/27:00 amHNL - ONT
1 stop7h 51mUnited Airlines
Deal found 3/25$335
This American Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 9/105:09 pmONT - OGG
1 stop23h 34mAmerican Airlines
Tue 9/1611:23 pmOGG - ONT
1 stop9h 06mAmerican Airlines
Deal found 3/26$336
This United Airlines deal was found by Cheapflights users on 3/25. 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.
Mon 8/111:19 pmONT - OGG
1 stop8h 58mUnited Airlines
Mon 8/1810:35 pmOGG - ONT
1 stop7h 03mUnited Airlines
Deal found 3/25$345
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 10/13:00 pmONT - OGG
1 stop9h 38mAlaska Airlines
Fri 10/311:33 amOGG - ONT
1 stop9h 26mAlaska Airlines
Deal found 3/25$357
This Delta deal was found by Cheapflights users on 3/25. 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 5/711:46 amONT - HNL
1 stop10h 17mDelta
Mon 5/1210:30 pmHNL - ONT
1 stop12h 45mDelta
Deal found 3/25$362
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 10/1611:30 amONT - KOA
1 stop13h 05mAlaska Airlines
Mon 10/208:00 amKOA - ONT
1 stop11h 37mAlaska Airlines
Deal found 3/25$370
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Mon 5/266:00 amONT - KOA
1 stop8h 26mUnited Airlines
Mon 6/210:50 pmKOA - ONT
1 stop10h 24mUnited Airlines
Deal found 3/24$377

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 March 26, 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

Fri 5/9

6:00 am-5:31 pm

1 stop14h 31m

Kona Intl

Sun 5/11

9:39 pm-11:04 am

1 stop10h 25m

$283

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Tue 4/22

5:45 am-5:04 pm

1 stop14h 19m

Kahului

Wed 4/30

8:57 pm-1:55 pm

1 stop13h 58m

$287

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Sun 4/27

11:45 am-6:44 pm

1 stop9h 59m

Lihue

Thu 5/8

9:45 pm-2:15 pm

1 stop13h 30m

$301

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sun 9/14

8:35 am-11:38 am

Nonstop6h 03m

Honolulu

Thu 9/18

12:38 pm-9:10 pm

Nonstop5h 32m

$328

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 8/13

9:00 am-11:55 am

Nonstop5h 55m

Honolulu

Wed 8/20

12:38 pm-9:10 pm

Nonstop5h 32m

$332

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 4/8

6:00 am-4:16 pm

2 stops13h 16m

Honolulu

Tue 4/15

9:40 pm-2:50 pm

2 stops14h 10m

$352

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 5/7

11:46 am-7:03 pm

1 stop10h 17m

Honolulu

Mon 5/12

10:30 pm-2:15 pm

1 stop12h 45m

$362

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Tue 4/1

6:00 am-1:45 pm

1 stop10h 45m

Kahului

Tue 4/8

10:30 pm-11:05 am

1 stop9h 35m

$377

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 5/26

6:00 am-11:26 am

1 stop8h 26m

Kona Intl

Wed 5/28

10:50 pm-12:14 pm

1 stop10h 24m

$377

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Tue 5/13

7:00 am-9:00 pm

1 stop17h 00m

Kahului

Tue 5/20

10:34 pm-10:57 am

1 stop9h 23m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 55 results
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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, November is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $469). Flying from Ontario to Hawaii in June is currently the most expensive (average of $687). 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 March 26, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Hawaii as you normally would.

Rainfall in Hawaii by month

Plan your trip to Hawaii by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Hawaii ranges from 0.3 - 3.2 inches per month. December is typically the wettest month, when rainfall can reach 3.2 in. June is typically the driest time to visit Hawaii when rainfall is around 0.3 in.

Temperature in Hawaii by month

Plan your trip to Hawaii by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Hawaii, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

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 March 26, 2025.
To help decide which airline to fly from Ontario to Hawaii, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Hawaiian Airlines
7.9
Good
2,331 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Boarding

8.2

Entertainment

7.6

Overall

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 24 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Ontario to Hawaii one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $126. Delta flights start at $142 while deals on Southwest start at $157 one-way.

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

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

  • What are the most reliable airlines from Ontario to Hawaii?

    No one likes to see their flight delayed. When booking a flight from Ontario to Hawaii consider choosing Alaska Airlines (79%), JetBlue (79%) or Hawaiian Airlines (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Ontario to Hawaii?

    Looking for the cheapest flight from Ontario to Hawaii? While on average our users pay $872, our data indicates the cheapest price to be $189. The most popular route (Ontario - Honolulu), is priced around $306.

  • 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, November is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $469). Flying from Ontario to Hawaii in June is currently the most expensive (average of $687). 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

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Alternative routes for Ontario to Hawaii

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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 March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$131Average$365FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$482FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$236Average$470FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$239Average$471FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$271Average$545FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$277Average$545FlexibilityNo cancel feeOn-time63%
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