Hawaii

$145+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
May 22 — May 291
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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 April 22, 2026.

This Delta deal was found by Cheapflights users on 4/20. 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 9/1511:55 am
ONT
-
LIH
1 stop10h 25m
Delta
Tue 9/229:45 pm
LIH
-
ONT
1 stop10h 29m
Delta
Deal found 4/20$326
This Delta deal was found by Cheapflights users on 4/20. 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 8/186:00 am
ONT
-
OGG
1 stop11h 28m
Delta
Thu 8/278:12 pm
OGG
-
ONT
1 stop9h 49m
Delta
Deal found 4/20$326
This Delta deal was found by Cheapflights users on 4/20. 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.
Wed 9/167:00 am
ONT
-
KOA
1 stop13h 51m
Delta
Wed 9/239:45 pm
KOA
-
ONT
1 stop10h 29m
Delta
Deal found 4/20$326
This Southwest deal was found by Cheapflights users on 4/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:00 am
ONT
-
HNL
Nonstop5h 40m
Southwest
Wed 9/98:15 am
HNL
-
ONT
1 stop7h 10m
Southwest
Deal found 4/21$330
This Delta deal was found by Cheapflights users on 4/20. 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 9/111:55 am
ONT
-
LIH
1 stop10h 25m
Delta
Wed 9/99:45 pm
LIH
-
ONT
2 stops15h 29m
Delta
Deal found 4/20$332
This Delta deal was found by Cheapflights users on 4/20. 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 8/187:00 am
ONT
-
OGG
1 stop13h 49m
Delta
Tue 8/259:10 pm
OGG
-
ONT
2 stops16h 04m
Delta
Deal found 4/20$332
This Delta deal was found by Cheapflights users on 4/20. 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.
Sun 8/306:00 am
ONT
-
LIH
2 stops16h 20m
Delta
Tue 9/89:45 pm
LIH
-
ONT
2 stops15h 29m
Delta
Deal found 4/20$337
This Delta deal was found by Cheapflights users on 4/20. 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 9/227:00 am
ONT
-
HNL
1 stop15h 21m
Delta
Wed 10/77:45 pm
HNL
-
ONT
1 stop10h 22m
Delta
Deal found 4/20$337
This United Airlines deal was found by Cheapflights users on 4/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/161:44 pm
ONT
-
HNL
1 stop7h 46m
United Airlines
Mon 9/219:40 pm
HNL
-
ONT
2 stops11h 32m
United Airlines
Deal found 4/20$339
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:55 am
ONT
-
HNL
1 stop10h 26m
Delta
Mon 9/289:45 pm
HNL
-
ONT
1 stop10h 29m
Delta
Deal found 4/21$342
This Delta deal was found by Cheapflights users on 4/20. 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 9/226:00 am
ONT
-
HNL
2 stops16h 21m
Delta
Tue 10/67:45 pm
HNL
-
ONT
1 stop10h 22m
Delta
Deal found 4/20$343
This Delta deal was found by Cheapflights users on 4/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am
ONT
-
HNL
1 stop15h 21m
Delta
Tue 9/299:45 pm
HNL
-
ONT
1 stop10h 29m
Delta
Deal found 4/21$347

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 April 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$326
(Delta)

One-way from

$145
(Delta)

Popular in

July

Cheapest in

February

Average price

$366

Good round-trip deal

$412 or less

Good one-way deal

$217 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
One-way flight from Ontario to Hawaii
Highest demand for flights based on searches. 15% potential increase in price ($80 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in April 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 April 22, 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

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Tue 8/18

9:55 am-8:47 pm

2 stops13h 52m

Honolulu

Wed 8/26

7:45 pm-9:01 am

1 stop10h 16m

$390

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Thu 9/24

7:10 am-1:34 pm

1 stop9h 24m

Honolulu

Thu 10/1

12:43 pm-9:20 pm

Nonstop5h 37m

$409

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sun 8/16

6:00 am-2:15 pm

1 stop11h 15m

Honolulu

Fri 8/21

9:45 pm-11:14 am

1 stop10h 29m

$414

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Sun 9/6

10:45 am-5:47 pm

1 stop10h 02m

Kahului

Wed 9/16

8:47 pm-9:20 pm

1 stop21h 33m

$430

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Wed 7/22

2:05 pm-10:07 pm

1 stop11h 02m

Kahului

Wed 7/29

9:10 pm-9:56 am

1 stop9h 46m

$434

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Wed 8/26

6:00 am-2:28 pm

1 stop11h 28m

Kahului

Wed 9/2

8:12 pm-9:01 am

1 stop9h 49m

$434

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Wed 5/6

6:00 am-5:36 pm

2 stops14h 36m

Kahului

Tue 5/12

9:05 pm-12:19 pm

2 stops12h 14m

$441

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Mon 5/11

11:52 am-7:06 pm

1 stop10h 14m

Lihue

Mon 5/18

9:55 pm-11:12 am

1 stop10h 17m

$458

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 9/14

7:20 am-10:22 am

Nonstop6h 02m

Honolulu

Sat 9/19

9:20 pm-11:16 am

1 stop10h 56m

$459
Quickest round-trip

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Sat 8/15

9:11 am-12:09 pm

Nonstop5h 58m

Honolulu

Fri 8/21

12:43 pm-9:20 pm

Nonstop5h 37m

$460

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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, May is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $78). Flying from Ontario to Hawaii in March is currently the most expensive (average of $260). 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 April 22, 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.

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 April 22, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andDelta from Ontario to Hawaii. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Boarding

8.1

Overall

8.0

Food

7.0

Crew

8.6

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for 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?

  • How long is the flight from Ontario to Hawaii?

    Departing from Ontario to Hawaii will take you 11h 02m. 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $153. Southwest flights start at $155 while deals on Hawaiian Airlines start at $164 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 $371, our data indicates the cheapest price to be $182. The most popular route (Ontario - Honolulu), is priced around $269.

  • 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, May is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $78). Flying from Ontario to Hawaii in March is currently the most expensive (average of $260). 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

Browse thousands of different options on Cheapflights for your next trip

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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 April 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$154Average$370FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$197Average$504FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$230Average$356FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$298Average$566FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$320Average$550FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$331Average$455FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$347Average$537FlexibilityNo cancel feeOn-time85%

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