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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 28 — Mar 71
Sat 2/28
Sat 3/7
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 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/248:41 am
ONT
-
OGG
1 stop7h 59m
Multiple Airlines
Tue 3/39:28 am
OGG
-
ONT
1 stop10h 47m
Multiple Airlines
Deal found 1/27$303
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 5/68:30 am
ONT
-
HNL
Nonstop6h 05m
Alaska Airlines
Mon 5/1112:35 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Deal found 1/28$307
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 3/38:41 am
ONT
-
OGG
1 stop10h 20m
Multiple Airlines
Thu 3/512:01 pm
OGG
-
ONT
1 stop8h 14m
Multiple Airlines
Deal found 1/28$311
This American Airlines deal was found by Cheapflights users on 1/28. 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 2/2512:18 pm
ONT
-
HNL
1 stop8h 57m
American Airlines
Wed 3/411:00 pm
HNL
-
ONT
1 stop7h 48m
American Airlines
Deal found 1/28$316
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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 5/78:30 am
ONT
-
HNL
Nonstop6h 05m
Alaska Airlines
Thu 5/141:31 pm
HNL
-
ONT
Nonstop5h 36m
Alaska Airlines
Deal found 1/29$317
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Thu 2/1912:18 pm
ONT
-
HNL
1 stop8h 57m
American Airlines
Wed 2/259:44 pm
HNL
-
ONT
1 stop9h 05m
American Airlines
Deal found 1/27$318
This Alaska Airlines deal was found by Cheapflights users on 1/27. 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
-
KOA
1 stop13h 46m
Multiple Airlines
Wed 3/46:00 am
KOA
-
ONT
1 stop14h 15m
Multiple Airlines
Deal found 1/27$318
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 2/248:41 am
ONT
-
HNL
Nonstop6h 04m
Alaska Airlines
Fri 2/272:40 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Deal found 1/28$320
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 4/233:26 pm
ONT
-
HNL
1 stop10h 03m
Alaska Airlines
Tue 4/2812:35 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Deal found 1/28$321
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 3/412:02 pm
ONT
-
OGG
1 stop12h 52m
Multiple Airlines
Thu 3/510:16 am
OGG
-
ONT
1 stop9h 59m
Multiple Airlines
Deal found 1/28$322
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 3/48:41 am
ONT
-
LIH
1 stop13h 47m
Multiple Airlines
Wed 3/116:48 am
LIH
-
ONT
1 stop11h 07m
Multiple Airlines
Deal found 1/28$323
This Southwest deal was found by Cheapflights users on 1/28. 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.
Sun 2/225:45 am
ONT
-
HNL
1 stop10h 15m
Southwest
Thu 2/2611:55 am
HNL
-
ONT
1 stop8h 05m
Southwest
Deal found 1/28$324

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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(Kiwi.com)

One-way from

$143
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$327

Good round-trip deal

$381 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 ($10 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 29, 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 4/27

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Mon 5/4

12:35 pm-9:10 pm

Nonstop5h 35m

$317

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 5/5

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Tue 5/12

12:35 pm-9:10 pm

Nonstop5h 35m

$317

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 4/29

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Wed 5/6

12:35 pm-9:10 pm

Nonstop5h 35m

$317

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 2/24

8:41 am-4:00 pm

1 stop9h 19m

Hilo Intl

Tue 3/3

5:59 pm-10:15 pm

1 stop26h 16m

$324

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 4/28

7:00 am-7:03 pm

1 stop15h 03m

Kona Intl

Thu 5/7

9:45 pm-12:49 pm

1 stop12h 04m

$332

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Tue 5/5

7:00 am-5:36 pm

1 stop13h 36m

Kahului

Mon 5/11

8:12 pm-12:29 pm

1 stop13h 17m

$334

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 5/7

10:39 am-7:52 pm

1 stop12h 13m

Kona Intl

Tue 5/12

8:00 am-10:32 pm

1 stop11h 32m

$334

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Fri 4/17

8:32 am-11:35 am

Nonstop6h 03m

Honolulu

Wed 4/22

12:35 pm-9:10 pm

Nonstop5h 35m

$337

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Fri 5/8

8:30 am-11:35 am

Nonstop6h 05m

Honolulu

Mon 5/11

12:35 pm-9:10 pm

Nonstop5h 35m

$337

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Tue 5/5

7:00 am-5:36 pm

1 stop13h 36m

Kahului

Wed 5/13

9:10 pm-4:14 pm

2 stops16h 04m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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, March 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 29, 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 29, 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).

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 29, 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
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

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
11,807 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

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
4,267 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

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
8,128 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

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
2,830 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

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
9,215 reviews
Alaska Airlines
8.0
Very good
11,807 reviews

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Entertainment

7.0

Food

7.1

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 45 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 05m. 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. Southwest flights start at $147 while deals on Alaska Airlines start at $153 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 $851, our data indicates the cheapest price to be $146. The most popular route (Ontario - Honolulu), is priced around $308.

  • 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, March 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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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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$154Average$355FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$208Average$541FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$277Average$554FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$297Average$529FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$308Average$521FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$317Average$569FlexibilityNo cancel feeOn-time75%

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