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$144+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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 12/316:38 amONT - OGG
1 stop13h 40mDelta
Tue 1/1310:00 pmOGG - ONT
1 stop13h 56mDelta
Deal found 12/16$355
This Delta deal was found by Cheapflights users on 12/16. 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 12/316:38 amONT - OGG
1 stop13h 40mDelta
Wed 1/149:05 pmOGG - ONT
1 stop13h 11mDelta
Deal found 12/16$372
This Delta deal was found by Cheapflights users on 12/16. 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 12/316:38 amONT - OGG
1 stop13h 40mDelta
Mon 1/129:05 pmOGG - ONT
1 stop13h 11mDelta
Deal found 12/16$375
This Delta deal was found by Cheapflights users on 12/16. 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 12/306:38 amONT - OGG
1 stop13h 40mDelta
Tue 1/1310:00 pmOGG - ONT
1 stop13h 56mDelta
Deal found 12/16$387
This Delta deal was found by Cheapflights users on 12/16. 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 12/306:38 amONT - OGG
1 stop13h 40mDelta
Wed 1/149:05 pmOGG - ONT
1 stop13h 11mDelta
Deal found 12/16$404
This Delta deal was found by Cheapflights users on 12/16. 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 12/306:38 amONT - OGG
1 stop13h 40mDelta
Mon 1/129:05 pmOGG - ONT
1 stop13h 11mDelta
Deal found 12/16$407
This Delta deal was found by Cheapflights users on 12/16. 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 12/316:38 amONT - OGG
1 stop13h 40mDelta
Sun 1/119:05 pmOGG - ONT
1 stop13h 11mDelta
Deal found 12/16$413
This Delta deal was found by Cheapflights users on 12/15. 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 12/166:00 amONT - OGG
2 stops16h 18mDelta
Tue 12/238:59 pmOGG - ONT
1 stop13h 30mDelta
Deal found 12/15$440
This Delta deal was found by Cheapflights users on 12/15. 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 12/186:00 amONT - OGG
2 stops16h 18mDelta
Tue 12/238:59 pmOGG - ONT
1 stop13h 30mDelta
Deal found 12/15$450
This Delta deal was found by Cheapflights users on 12/17. 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 12/306:38 amONT - KOA
1 stop15h 04mDelta
Tue 1/138:45 pmKOA - ONT
1 stop15h 11mDelta
Deal found 12/17$474
This Southwest deal was found by Cheapflights users on 12/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:15 amONT - OGG
1 stop7h 50mSouthwest
Mon 12/2212:40 pmOGG - ONT
1 stop8h 30mSouthwest
Deal found 12/14$475
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/176:00 amONT - OGG
1 stop10h 24mMultiple Airlines
Wed 12/2410:18 amOGG - ONT
1 stop9h 50mMultiple Airlines
Deal found 12/16$483

Find flight deals from Ontario to Hawaii

Keep the following information in mind while searching for Ontario to Hawaii flight deals. Data was last updated December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$293
(Alaska Airlines)

One-way from

$144
(Alaska Airlines)

Popular in

June

Cheapest in

February

Average price

$497

Good round-trip deal

$350 or less

Good one-way deal

$249 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. 13% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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

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 December 18, 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 1/8

6:00 am-3:51 pm

1 stop11h 51m

Kona Intl

Tue 1/13

8:45 pm-1:56 pm

1 stop15h 11m

$308

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Sun 2/1

6:00 am-7:57 pm

2 stops15h 57m

Kona Intl

Thu 2/5

9:55 pm-1:56 pm

1 stop14h 01m

$309

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Fri 1/30

8:13 am-12:29 pm

Nonstop6h 16m

Honolulu

Sun 2/8

2:54 pm-10:28 pm

Nonstop5h 34m

$318

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 1/8

7:00 am-2:44 pm

1 stop9h 44m

Honolulu

Thu 1/15

2:54 pm-10:28 pm

Nonstop5h 34m

$318

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 3/2

8:41 am-12:45 pm

Nonstop6h 04m

Honolulu

Mon 3/9

12:20 pm-8:55 pm

Nonstop5h 35m

$318

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 1/26

8:13 am-4:13 pm

1 stop10h 00m

Hilo Intl

Tue 1/27

12:09 pm-10:28 pm

1 stop8h 19m

$322

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 2/5

6:00 am-9:28 pm

2 stops17h 28m

Honolulu

Mon 2/9

10:30 pm-1:56 pm

1 stop13h 26m

$322

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 1/26

8:13 am-4:13 pm

1 stop10h 00m

Hilo Intl

Thu 1/29

11:11 am-10:28 pm

1 stop9h 17m

$322

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 1/21

6:00 am-9:28 pm

2 stops17h 28m

Honolulu

Wed 1/28

10:30 pm-1:56 pm

1 stop13h 26m

$322

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 3/3

12:02 pm-10:57 pm

1 stop12h 55m

Kona Intl

Wed 3/4

8:45 am-10:44 pm

1 stop11h 59m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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, February is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $134). Flying from Ontario to Hawaii in June is currently the most expensive (average of $214). 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 December 18, 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 December 13, 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.

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 December 18, 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
11,478 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Alaska Airlines
8.0
Very good
11,478 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Southwest
7.9
Good
4,250 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
Hawaiian Airlines
7.8
Good
2,820 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.
United Airlines
7.4
Good
9,093 reviews
Alaska Airlines
8.0
Very good
11,478 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.0

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

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 39 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 6h 16m. Ontario and Hawaii are separated by a distance of 2598 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $111. American Airlines flights start at $125 while deals on Alaska Airlines start at $138 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 cheapest flights from Ontario to Hawaii?

    Looking for the cheapest flight from Ontario to Hawaii? While on average our users pay $394, our data indicates the cheapest price to be $231. The most popular route (Ontario - Honolulu), is priced around $298.

  • 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, February is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $134). Flying from Ontario to Hawaii in June is currently the most expensive (average of $214). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$168Average$376FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$218Average$542FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$266Average$396FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$277Average$556FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$308Average$538FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$317Average$569FlexibilityNo cancel feeOn-time75%

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