Hawaii

$78+ Cheap flights from Ontario (ONT) to Hawaii

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Apr 5 — Apr 121
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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 March 6, 2026.

This Expedia deal was found by Cheapflights users on 3/4. 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.
Sat 5/23:26 pm
ONT
-
OGG
1 stop9h 54m
Alaska Airlines
Wed 5/69:52 pm
OGG
-
ONT
1 stop13h 40m
Alaska Airlines
Deal found 3/4$78
This Delta deal was found by Cheapflights users on 3/2. 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 4/147:00 am
ONT
-
KOA
1 stop15h 03m
Delta
Wed 5/68:50 pm
KOA
-
ONT
1 stop12h 45m
Delta
Deal found 3/2$296
This Trip.com deal was found by Cheapflights users on 3/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/208:32 am
ONT
-
HNL
Nonstop6h 03m
Multiple Airlines
Wed 4/2912:35 pm
HNL
-
ONT
Nonstop5h 35m
Multiple Airlines
Deal found 3/3$301
This United Airlines deal was found by Cheapflights users on 3/1. 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.
Tue 4/281:27 pm
ONT
-
HNL
1 stop8h 53m
United Airlines
Tue 5/510:10 pm
HNL
-
ONT
1 stop8h 31m
United Airlines
Deal found 3/1$302
This Delta deal was found by Cheapflights users on 3/1. 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 5/66:00 am
ONT
-
KOA
2 stops16h 03m
Delta
Mon 5/118:55 pm
KOA
-
ONT
1 stop11h 17m
Delta
Deal found 3/1$302
This Alaska Airlines deal was found by Cheapflights users on 3/3. 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 4/288:30 am
ONT
-
HNL
Nonstop6h 05m
Alaska Airlines
Wed 5/612:35 pm
HNL
-
ONT
Nonstop5h 35m
Alaska Airlines
Deal found 3/3$307
This Delta deal was found by Cheapflights users on 3/1. 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 5/66:00 am
ONT
-
KOA
2 stops16h 03m
Delta
Tue 5/128:55 pm
KOA
-
ONT
2 stops12h 24m
Delta
Deal found 3/1$307
This United Airlines deal was found by Cheapflights users on 3/2. 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.
Wed 4/221:27 pm
ONT
-
HNL
1 stop8h 53m
United Airlines
Mon 4/279:40 pm
HNL
-
ONT
2 stops11h 40m
United Airlines
Deal found 3/2$308
This Southwest deal was found by Cheapflights users on 3/2. 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 4/1910:30 am
ONT
-
HNL
1 stop10h 10m
Southwest
Wed 4/2211:10 am
HNL
-
ONT
1 stop8h 00m
Southwest
Deal found 3/2$309
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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 4/2210:39 am
ONT
-
KOA
1 stop12h 13m
Multiple Airlines
Wed 4/2910:30 am
KOA
-
ONT
1 stop7h 40m
Multiple Airlines
Deal found 3/2$310
This Alaska Airlines deal was found by Cheapflights users on 3/2. 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 4/2910:39 am
ONT
-
KOA
1 stop12h 13m
Alaska Airlines
Wed 5/610:36 am
KOA
-
ONT
1 stop10h 12m
Alaska Airlines
Deal found 3/2$314
This United Airlines deal was found by Cheapflights users on 3/2. 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 4/231:27 pm
ONT
-
HNL
1 stop8h 53m
United Airlines
Wed 4/299:40 pm
HNL
-
ONT
2 stops11h 42m
United Airlines
Deal found 3/2$315

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 March 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$78
(Expedia)

Popular in

July

Cheapest in

February

Average price

$406

Good round-trip deal

$451 or less

Good one-way deal

$188 or less
Provider with most accurate pricing for Los Angeles-Honolulu flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Honolulu flights.
From Ontario to Hawaii
Highest demand for flights based on searches. 15% potential increase in price ($72 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Ontario to Hawaii.
Price to beat on a one-way flight from Ontario to Hawaii.

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 March 6, 2026.
Use the filters below to find and compare flights from Ontario to Hawaii that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Wed 4/29

7:00 am-5:40 pm

1 stop13h 40m

Lihue

Wed 5/6

8:20 pm-12:19 pm

2 stops12h 59m

$338

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Sun 4/26

6:00 am-10:48 am

1 stop7h 48m

Kahului

Sun 4/26

10:03 pm-12:20 pm

2 stops11h 17m

$374

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Sat 4/18

8:32 am-6:06 pm

1 stop12h 34m

Kona Intl

Tue 4/21

12:17 pm-10:59 pm

1 stop7h 42m

$389

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 4/20

8:32 am-4:15 pm

1 stop10h 43m

Hilo Intl

Tue 4/28

9:59 am-9:10 pm

1 stop8h 11m

$393

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 5/5

8:30 am-2:31 pm

1 stop9h 01m

Hilo Intl

Tue 5/12

7:42 am-9:10 pm

1 stop10h 28m

$393

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 4/29

8:30 am-2:31 pm

1 stop9h 01m

Hilo Intl

Wed 5/6

10:56 am-9:10 pm

1 stop7h 14m

$393

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Wed 5/27

12:06 pm-6:55 pm

1 stop9h 49m

Kona Intl

Wed 6/3

11:46 am-11:56 pm

1 stop9h 10m

$405

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Fri 5/1

3:26 pm-10:20 pm

1 stop9h 54m

Kahului

Tue 5/5

11:00 am-9:10 pm

1 stop7h 10m

$407

OntarioHilo

ONT - ITO

ONTITO

Ontario

Wed 4/22

8:30 am-2:31 pm

1 stop9h 01m

Hilo Intl

Wed 4/29

10:56 am-9:10 pm

1 stop7h 14m

$408

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 4/21

8:32 am-11:35 am

Nonstop6h 03m

Honolulu

Wed 4/29

12:35 pm-9:10 pm

Nonstop5h 35m

$422

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/1

Showing 1-10 of 60 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $138). 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 March 6, 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.

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 March 6, 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.

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

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

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

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

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

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

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

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

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

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

Crew

8.5

Food

7.1

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

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?

  • How long is the flight from Ontario to Hawaii?

    Departing from Ontario to Hawaii will take you 7h 48m. Ontario and Hawaii are separated by a distance of 2528 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 American Airlines, which is currently one of the cheapest options available, starting at $125. United Airlines flights start at $151 while deals on Alaska Airlines start at $153 one-way.

  • What are the most popular routes 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 $372, our data indicates the cheapest price to be $140. The most popular route (Ontario - Honolulu), is priced around $335.

  • 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 $138). 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.

Top 7 airlines flying from Ontario to Hawaii

Discover the top 7 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 March 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$143Average$366FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$198Average$526FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$230Average$327FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$316Average$558FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$318Average$521FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$320Average$579FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$331Average$543FlexibilityNo cancel feeOn-time71%

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