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$143+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
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 January 21, 2026.

This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:00 am
ONT
-
LIH
1 stop18h 26m
Alaska Airlines
Tue 5/510:26 pm
LIH
-
ONT
1 stop13h 06m
Alaska Airlines
Deal found 1/20$281
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:59 pm
ONT
-
LIH
1 stop28h 27m
Alaska Airlines
Tue 5/510:26 pm
LIH
-
ONT
1 stop13h 06m
Alaska Airlines
Deal found 1/20$284
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 5/66:00 am
ONT
-
OGG
1 stop19h 20m
Alaska Airlines
Sun 5/109:52 pm
OGG
-
ONT
1 stop23h 07m
Alaska Airlines
Deal found 1/21$284
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
ONT
-
KOA
1 stop16h 52m
Alaska Airlines
Wed 5/139:25 pm
KOA
-
ONT
1 stop23h 33m
Alaska Airlines
Deal found 1/20$284
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/303:26 pm
ONT
-
LIH
1 stop33h 00m
Alaska Airlines
Sun 5/310:26 pm
LIH
-
ONT
1 stop32h 19m
Alaska Airlines
Deal found 1/20$286
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:02 pm
ONT
-
HNL
1 stop12h 04m
Multiple Airlines
Wed 3/1112:20 pm
HNL
-
ONT
Nonstop5h 35m
Multiple Airlines
Deal found 1/20$306
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
ONT
-
KOA
1 stop10h 39m
Multiple Airlines
Tue 4/218:51 am
KOA
-
ONT
1 stop11h 08m
Multiple Airlines
Deal found 1/19$306
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 4/223:26 pm
ONT
-
HNL
1 stop10h 03m
Alaska Airlines
Wed 4/297:00 am
HNL
-
ONT
1 stop12h 32m
Alaska Airlines
Deal found 1/21$308
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/710:33 am
ONT
-
KOA
1 stop9h 58m
Multiple Airlines
Wed 4/158:51 am
KOA
-
ONT
1 stop11h 08m
Multiple Airlines
Deal found 1/19$309
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 2/254:02 pm
ONT
-
HNL
1 stop32h 04m
Multiple Airlines
Wed 3/48:00 am
HNL
-
ONT
1 stop12h 44m
Multiple Airlines
Deal found 1/21$311
This Delta deal was found by Cheapflights users on 1/20. 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.
Tue 4/75:53 pm
ONT
-
OGG
1 stop26h 28m
Delta
Mon 4/138:05 pm
OGG
-
ONT
1 stop13h 09m
Delta
Deal found 1/20$311
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 3/38:41 am
ONT
-
HNL
Nonstop6h 04m
Alaska Airlines
Tue 3/1012:20 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Deal found 1/21$312

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 January 21, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$281
(Expedia)

One-way from

$143
(Alaska Airlines)

Popular in

June

Cheapest in

February

Average price

$327

Good round-trip deal

$371 or less

Good one-way deal

$201 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 ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 21, 2026.
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

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 3/9

11:59 am-8:51 pm

1 stop11h 52m

Honolulu

Tue 3/17

10:40 pm-11:18 am

1 stop9h 38m

$316

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 3/3

8:41 am-8:27 pm

1 stop13h 46m

Kona Intl

Wed 3/4

6:00 am-10:15 pm

1 stop14h 15m

$318

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 2/25

8:41 am-12:45 pm

Nonstop6h 04m

Honolulu

Mon 3/2

2:40 pm-10:15 pm

Nonstop5h 35m

$327

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Mon 4/20

6:00 am-3:37 pm

1 stop12h 37m

Kahului

Thu 4/30

9:52 pm-2:32 pm

1 stop13h 40m

$332

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 4/16

6:00 am-6:55 pm

2 stops15h 55m

Kona Intl

Wed 4/22

8:55 pm-11:13 am

1 stop11h 18m

$337

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 4/13

6:00 am-6:55 pm

2 stops15h 55m

Kona Intl

Wed 4/22

8:55 pm-11:13 am

1 stop11h 18m

$340

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 2/9

8:13 am-12:29 pm

Nonstop6h 16m

Honolulu

Mon 3/2

2:40 pm-10:15 pm

Nonstop5h 35m

$342

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 3/31

6:00 am-6:38 pm

2 stops15h 38m

Kona Intl

Thu 4/9

7:40 pm-12:23 pm

1 stop13h 43m

$342

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 4/6

6:00 am-6:38 pm

2 stops15h 38m

Kona Intl

Thu 4/9

7:40 pm-12:23 pm

1 stop13h 43m

$342

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 2/12

6:00 am-7:39 pm

2 stops15h 39m

Kona Intl

Mon 2/16

8:55 pm-12:07 pm

1 stop13h 12m

$342

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 60 results
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6

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 $213). 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 January 21, 2026.

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 January 21, 2026.

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

How much does it cost to fly round-trip from Ontario to Hawaii?

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 January 21, 2026.
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
11,771 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,771 reviews
Alaska Airlines
8.0
Very good
11,771 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
11,771 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,087 reviews
Alaska Airlines
8.0
Very good
11,771 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very good
11,771 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,190 reviews
Alaska Airlines
8.0
Very good
11,771 reviews

Boarding

8.1

Overall

8.0

Crew

8.5

Entertainment

7.0

Food

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 47 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 04m. 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 Southwest start at $147 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 cheapest flights from Ontario to Hawaii?

    Looking for the cheapest flight from Ontario to Hawaii? While on average our users pay $860, our data indicates the cheapest price to be $163. The most popular route (Ontario - Honolulu), is priced around $281.

  • 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 $213). 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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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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$154Average$341FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$208Average$540FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$277Average$556FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$297Average$527FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$308Average$522FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$317Average$570FlexibilityNo cancel feeOn-time75%

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