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$139+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(Delta)

One-way from

$139
(Southwest)

Popular in

June

Cheapest in

February

Average price

$287

Good round-trip deal

$376 or less

Good one-way deal

$188 or less
Provider with most accurate pricing for Los Angeles-Honolulu flight deals.
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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 ($12 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Delta deal was found by Cheapflights users on 2/19. 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
Thu 9/49:45 pmKOA - ONT
1 stop12h 38mDelta
Deal found 2/19$278
This Delta deal was found by Cheapflights users on 2/20. 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 4/235:45 amONT - OGG
1 stop14h 19mDelta
Thu 5/18:57 pmOGG - ONT
1 stop11h 08mDelta
Deal found 2/20$297
This Delta deal was found by Cheapflights users on 2/18. 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 9/1011:29 amONT - LIH
1 stop10h 47mDelta
Wed 9/249:45 pmLIH - ONT
1 stop12h 38mDelta
Deal found 2/18$301
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 4/76:15 amONT - LIH
1 stop11h 43mAmerican Airlines
Wed 4/169:32 pmLIH - ONT
1 stop8h 27mAmerican Airlines
Deal found 2/19$321
This Delta deal was found by Cheapflights users on 2/19. 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 3/1111:42 amONT - HNL
1 stop10h 40mDelta
Wed 3/127:00 amHNL - ONT
1 stop12h 22mDelta
Deal found 2/19$332
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 10/248:04 pmONT - OGG
1 stop20h 45mAmerican Airlines
Sun 11/211:00 pmOGG - ONT
1 stop7h 44mAmerican Airlines
Deal found 2/18$336
This Netflights deal was found by Cheapflights users on 2/19. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:50 amONT - HNL
Nonstop5h 55mHawaiian Airlines
Thu 9/181:20 pmHNL - ONT
Nonstop5h 35mHawaiian Airlines
Deal found 2/19$337
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 3/108:50 amONT - HNL
Nonstop6h 15mAlaska Airlines
Wed 3/1212:30 pmHNL - ONT
Nonstop5h 25mAlaska Airlines
Deal found 2/19$338
This American Airlines deal was found by Cheapflights users on 2/20. 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 9/101:34 pmONT - KOA
1 stop27h 08mAmerican Airlines
Wed 9/1711:20 pmKOA - ONT
1 stop9h 09mAmerican Airlines
Deal found 2/20$349
This United Airlines deal was found by Cheapflights users on 2/19. 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 3/66:00 amONT - HNL
1 stop11h 10mUnited Airlines
Wed 3/127:00 amHNL - ONT
2 stops12h 45mUnited Airlines
Deal found 2/19$367
This Netflights deal was found by Cheapflights users on 2/19. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/169:50 amONT - KOA
1 stop10h 36mAlaska Airlines
Thu 9/187:00 amKOA - ONT
1 stop11h 55mAlaska Airlines
Deal found 2/19$368
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 4/76:55 amONT - OGG
1 stop20h 04mAlaska Airlines
Tue 4/811:34 pmOGG - ONT
1 stop14h 28mAlaska Airlines
Deal found 2/19$371

Find flights from Ontario to Hawaii within your budget

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 February 20, 2025.

Fly from

Ontario

Fly to

Hawaii

Route

Depart

Return

Price

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Fri 4/25

5:45 am-5:39 pm

1 stop14h 54m

Kona Intl

Tue 5/6

8:20 pm-1:13 pm

1 stop13h 53m

$283

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Wed 4/23

5:45 am-5:04 pm

1 stop14h 19m

Kahului

Thu 5/1

8:57 pm-11:05 am

1 stop11h 08m

$297

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Mon 4/7

6:15 am-2:58 pm

1 stop11h 43m

Lihue

Wed 4/16

9:32 pm-8:59 am

1 stop8h 27m

$321

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 3/11

11:42 am-7:22 pm

1 stop10h 40m

Honolulu

Wed 3/12

7:00 am-10:22 pm

1 stop12h 22m

$332

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 3/10

8:50 am-12:05 pm

Nonstop6h 15m

Honolulu

Wed 3/12

12:30 pm-8:55 pm

Nonstop5h 25m

$338

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 4/30

4:29 pm-11:56 pm

1 stop10h 27m

Honolulu

Tue 5/6

9:35 pm-10:51 am

1 stop10h 16m

$339

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 3/6

6:00 am-3:10 pm

1 stop11h 10m

Honolulu

Wed 3/12

7:00 am-10:45 pm

2 stops12h 45m

$367

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Mon 4/7

6:55 am-11:59 pm

1 stop20h 04m

Kahului

Tue 4/8

11:34 pm-5:02 pm

1 stop14h 28m

$371

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Mon 3/3

6:00 am-1:24 pm

1 stop9h 24m

Kahului

Mon 3/3

11:30 pm-9:15 am

1 stop7h 45m

$372

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Fri 5/9

11:45 am-4:45 pm

1 stop8h 00m

Kahului

Fri 5/16

8:30 pm-10:00 am

2 stops10h 30m

$382

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 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.

Travel insights for flights from Ontario to Hawaii

Get recent, data-driven insights about flights from Ontario to Hawaii including ideal travel times, pricing trends, and more.

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 February 20, 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.

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 February 20, 2025.

The most flights from ONT to USHI are scheduled on a Monday (4 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

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 February 20, 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
4,412 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,412 reviews
Southwest
8.1
Very good
4,412 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,691 reviews
Southwest
8.1
Very good
4,412 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,227 reviews
Southwest
8.1
Very good
4,412 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,412 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,771 reviews
Southwest
8.1
Very good
4,412 reviews

Entertainment

7.6

Crew

8.7

Food

7.1

Comfort

8.1

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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 22 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 Southwest, which is currently one of the cheapest options available, starting at $139. Delta flights start at $142 while deals on Alaska Airlines start at $169 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 American Airlines (83%), Alaska Airlines (75%) or JetBlue (75%) 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 $1,109, our data indicates the cheapest price to be $164. The most popular route (Ontario - Honolulu), is priced around $317.

  • 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.

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$148Average$354FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$465FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$226Average$467FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$239Average$467FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$250Average$494FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$277Average$515FlexibilityNo cancel feeOn-time63%
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