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$149+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$297
(Delta)

One-way from

$149
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$363

Good round-trip deal

$404 or less

Good one-way deal

$239 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 ($62 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 April 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 April 15, 2025.

This Delta deal was found by Cheapflights users on 4/13. 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 5/136:00 amONT - KOA
1 stop14h 31mDelta
Tue 5/139:39 pmKOA - ONT
1 stop10h 25mDelta
Deal found 4/13$292
This Delta deal was found by Cheapflights users on 4/14. 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.
Sat 5/106:00 amONT - OGG
1 stop14h 01mDelta
Mon 5/199:30 pmOGG - ONT
1 stop13h 45mDelta
Deal found 4/14$303
This Delta deal was found by Cheapflights users on 4/14. 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 11/511:29 amONT - LIH
1 stop10h 53mDelta
Mon 11/1010:45 pmLIH - ONT
1 stop10h 05mDelta
Deal found 4/14$321
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 8/189:00 amONT - HNL
Nonstop5h 55mAlaska Airlines
Tue 8/2612:38 pmHNL - ONT
Nonstop5h 32mAlaska Airlines
Deal found 4/13$344
This United Airlines deal was found by Cheapflights users on 4/14. 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 11/1310:40 amONT - HNL
2 stops12h 30mUnited Airlines
Tue 11/1810:50 pmHNL - ONT
2 stops12h 20mUnited Airlines
Deal found 4/14$348
This Delta deal was found by Cheapflights users on 4/14. 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 9/29:55 amONT - HNL
2 stops12h 17mDelta
Tue 9/168:25 pmHNL - ONT
1 stop9h 41mDelta
Deal found 4/14$355
This Hawaiian Airlines deal was found by Cheapflights users on 4/13. 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.
Mon 8/119:00 amONT - HNL
Nonstop5h 55mHawaiian Airlines
Tue 8/2612:38 pmHNL - ONT
Nonstop5h 32mHawaiian Airlines
Deal found 4/13$361
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Sun 9/216:00 amONT - OGG
1 stop10h 13mAlaska Airlines
Wed 9/2411:20 amOGG - ONT
1 stop9h 39mAlaska Airlines
Deal found 4/14$363
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 5/69:45 amONT - KOA
1 stop9h 43mAlaska Airlines
Tue 5/139:33 pmKOA - ONT
1 stop10h 18mAlaska Airlines
Deal found 4/13$363
This American Airlines deal was found by Cheapflights users on 4/14. 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.
Sat 4/266:15 amONT - HNL
1 stop11h 33mAmerican Airlines
Sat 5/39:20 pmHNL - ONT
1 stop8h 39mAmerican Airlines
Deal found 4/14$367
This United Airlines deal was found by Cheapflights users on 4/13. 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.
Fri 9/56:00 amONT - OGG
1 stop8h 40mUnited Airlines
Sat 9/1310:33 pmOGG - ONT
1 stop7h 05mUnited Airlines
Deal found 4/13$372
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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.
Sun 8/2411:39 amONT - LIH
1 stop12h 51mAlaska Airlines
Thu 8/2810:30 pmLIH - ONT
1 stop9h 15mAlaska Airlines
Deal found 4/14$383

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 April 15, 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

Mon 5/5

5:45 am-5:39 pm

1 stop14h 54m

Kona Intl

Wed 5/14

9:39 pm-11:04 am

1 stop10h 25m

$297

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Sat 5/10

6:00 am-5:01 pm

1 stop14h 01m

Kahului

Mon 5/19

9:30 pm-2:15 pm

1 stop13h 45m

$303

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Sun 5/11

11:44 am-7:00 pm

1 stop10h 16m

Lihue

Tue 5/13

9:45 pm-2:15 pm

1 stop13h 30m

$321

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 5/6

6:00 am-4:00 pm

2 stops13h 00m

Honolulu

Tue 5/13

10:30 pm-4:17 pm

2 stops14h 47m

$348

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 4/29

6:00 am-1:48 pm

1 stop10h 48m

Honolulu

Thu 5/15

1:15 pm-9:55 pm

Nonstop5h 40m

$353

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 9/3

8:35 am-11:38 am

Nonstop6h 03m

Honolulu

Mon 9/8

12:38 pm-9:10 pm

Nonstop5h 32m

$357

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 5/5

1:45 pm-7:43 pm

1 stop8h 58m

Honolulu

Wed 5/7

9:40 pm-2:25 pm

2 stops13h 45m

$359

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 8/11

9:00 am-11:55 am

Nonstop5h 55m

Honolulu

Tue 8/26

12:38 pm-9:10 pm

Nonstop5h 32m

$361

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sat 4/26

6:15 am-2:48 pm

1 stop11h 33m

Honolulu

Sat 5/3

9:20 pm-8:59 am

1 stop8h 39m

$367

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 7/7

2:21 pm-10:04 pm

1 stop10h 43m

Kona Intl

Tue 7/15

9:00 pm-9:27 pm

1 stop21h 27m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

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.

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 April 15, 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 April 15, 2025.

The most flights from ONT to USHI are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 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 April 15, 2025.
To help decide which airline to fly from Ontario to Hawaii, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,871 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,279 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,374 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,656 reviews
Alaska Airlines
8.0
Very good
9,871 reviews

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 23 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 United Airlines, which is currently one of the cheapest options available, starting at $149. Delta flights start at $149 while deals on Alaska Airlines start at $159 one-way.

  • 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 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 (75%), JetBlue (75%) or Hawaiian Airlines (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 $438, our data indicates the cheapest price to be $197. The most popular route (Ontario - Honolulu), is priced around $318.

  • 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$165Average$370FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$496FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$474FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$244Average$471FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$277Average$558FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$287Average$564FlexibilityNo cancel feeOn-time75%

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