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$152+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$303
(Delta)

One-way from

$152
(Delta)

Popular in

June

Cheapest in

February

Average price

$506

Good round-trip deal

$436 or less

Good one-way deal

$229 or less
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. 17% potential increase in price ($78 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 June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 10/276:45 amONT - OGG
1 stop13h 11mDelta
Mon 10/279:10 pmOGG - ONT
1 stop10h 40mDelta
Deal found 6/11$298
This Delta deal was found by Cheapflights users on 6/10. 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 8/126:00 amONT - KOA
1 stop14h 34mDelta
Wed 8/139:47 pmKOA - ONT
1 stop10h 03mDelta
Deal found 6/10$303
This flugladen.de deal was found by Cheapflights users on 6/10. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/162:21 pmONT - OGG
1 stop10h 13mHawaiian Airlines
Wed 7/2311:15 amOGG - ONT
1 stop9h 58mHawaiian Airlines
Deal found 6/10$317
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 8/62:21 pmONT - OGG
1 stop10h 13mAlaska Airlines
Thu 8/710:34 pmOGG - ONT
1 stop9h 31mAlaska Airlines
Deal found 6/11$327
This Delta deal was found by Cheapflights users on 6/10. 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 8/2811:40 amONT - LIH
1 stop10h 23mDelta
Mon 9/19:40 pmLIH - ONT
1 stop10h 10mDelta
Deal found 6/10$353
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 9/2410:09 amONT - HNL
Nonstop6h 01mHawaiian Airlines
Mon 9/299:30 pmHNL - ONT
1 stop8h 56mHawaiian Airlines
Deal found 6/10$358
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/15:50 amONT - OGG
1 stop13h 40mSouthwest
Fri 9/128:25 pmOGG - ONT
1 stop10h 30mSouthwest
Deal found 6/10$358
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/2410:09 amONT - HNL
Nonstop6h 01mAlaska Airlines
Wed 10/112:38 pmHNL - ONT
Nonstop5h 32mAlaska Airlines
Deal found 6/10$361
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 10/141:31 pmONT - KOA
1 stop11h 09mAlaska Airlines
Wed 10/2211:57 amKOA - ONT
1 stop8h 52mAlaska Airlines
Deal found 6/9$361
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/35:45 amONT - KOA
1 stop9h 25mSouthwest
Wed 9/106:05 amKOA - ONT
2 stops10h 45mSouthwest
Deal found 6/10$362
This Kissandfly.com deal was found by Cheapflights users on 6/10. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2712:00 pmONT - OGG
1 stop12h 34mMultiple Airlines
Tue 8/59:39 pmOGG - ONT
1 stop8h 44mMultiple Airlines
Deal found 6/10$373
This CheapTickets.ch deal was found by Cheapflights users on 6/12. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:09 amONT - KOA
1 stop9h 34mHawaiian Airlines
Fri 10/1711:57 amKOA - ONT
1 stop8h 52mHawaiian Airlines
Deal found 6/12$374

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 June 12, 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

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Mon 10/27

6:45 am-4:56 pm

1 stop13h 11m

Kahului

Mon 10/27

9:10 pm-10:50 am

1 stop10h 40m

$298

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 8/12

6:00 am-5:34 pm

1 stop14h 34m

Kona Intl

Thu 8/14

9:47 pm-10:50 am

1 stop10h 03m

$303

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Wed 7/16

2:21 pm-9:34 pm

1 stop10h 13m

Kahului

Wed 7/23

11:15 am-12:13 am

1 stop9h 58m

$317

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Wed 8/6

2:21 pm-9:34 pm

1 stop10h 13m

Kahului

Thu 8/7

10:34 pm-11:05 am

1 stop9h 31m

$327

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Thu 8/28

11:40 am-7:03 pm

1 stop10h 23m

Lihue

Wed 9/3

9:40 pm-10:50 am

1 stop10h 10m

$353

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Mon 9/1

5:50 am-4:30 pm

1 stop13h 40m

Kahului

Fri 9/12

8:25 pm-9:55 am

1 stop10h 30m

$358

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sat 9/6

7:10 am-1:25 pm

1 stop9h 15m

Honolulu

Thu 9/11

12:38 pm-9:10 pm

Nonstop5h 32m

$358

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 8/12

2:21 pm-10:04 pm

1 stop10h 43m

Kona Intl

Mon 8/18

9:30 pm-11:05 am

1 stop10h 35m

$361

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Wed 9/3

5:45 am-12:10 pm

1 stop9h 25m

Kona Intl

Wed 9/10

6:05 am-7:50 pm

2 stops10h 45m

$362

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Sun 7/27

12:00 pm-9:34 pm

1 stop12h 34m

Kahului

Tue 8/5

9:39 pm-9:23 am

1 stop8h 44m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 56 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 June 12, 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 June 12, 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
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 20 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 Delta, which is currently one of the cheapest options available, starting at $152. Alaska Airlines flights start at $153 while deals on American Airlines start at $170 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 (87%), JetBlue (87%) or Hawaiian Airlines (87%) 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 $1,051, our data indicates the cheapest price to be $189. The most popular route (Ontario - Honolulu), is priced around $301.

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$358FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$504FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$486FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$264Average$468FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$277Average$573FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$315Average$575FlexibilityNo cancel feeOn-time75%

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