Hawaii

$142+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
Jul 4 — Jul 111
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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 June 4, 2026.

This United Airlines deal was found by Cheapflights users on 5/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
ONT
-
LIH
1 stop8h 59m
United Airlines
Thu 8/2010:48 pm
LIH
-
ONT
1 stop10h 24m
United Airlines
Deal found 5/29$284
This Delta deal was found by Cheapflights users on 5/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:55 am
ONT
-
LIH
1 stop10h 25m
Delta
Thu 9/179:50 pm
LIH
-
ONT
2 stops11h 20m
Delta
Deal found 5/29$290
This Alaska Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 9/299:31 am
ONT
-
KOA
1 stop15h 19m
Multiple Airlines
Wed 9/308:18 am
KOA
-
ONT
1 stop10h 52m
Multiple Airlines
Deal found 5/29$383
This United Airlines deal was found by Cheapflights users on 5/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:56 pm
ONT
-
OGG
1 stop8h 24m
United Airlines
Wed 9/237:00 am
OGG
-
ONT
1 stop10h 01m
United Airlines
Deal found 5/29$389
This Alaska Airlines deal was found by Cheapflights users on 5/29. 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.
Tue 9/2212:12 pm
ONT
-
LIH
1 stop11h 02m
Alaska Airlines
Wed 9/239:35 pm
LIH
-
ONT
1 stop10h 41m
Alaska Airlines
Deal found 5/29$394
This United Airlines deal was found by Cheapflights users on 5/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:01 am
ONT
-
OGG
1 stop10h 34m
United Airlines
Thu 8/277:00 am
OGG
-
ONT
1 stop10h 01m
United Airlines
Deal found 5/29$394
This Southwest deal was found by Cheapflights users on 5/30. 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.
Wed 9/98:00 am
ONT
-
LIH
1 stop9h 15m
Southwest
Thu 9/176:15 am
LIH
-
ONT
1 stop10h 55m
Southwest
Deal found 5/30$399
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:11 am
ONT
-
LIH
1 stop10h 09m
Multiple Airlines
Tue 8/259:35 pm
LIH
-
ONT
1 stop10h 29m
Multiple Airlines
Deal found 6/1$404
This Alaska Airlines deal was found by Cheapflights users on 6/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:11 am
ONT
-
OGG
1 stop11h 13m
Multiple Airlines
Tue 9/299:18 pm
OGG
-
ONT
1 stop10h 58m
Multiple Airlines
Deal found 6/1$404
This Delta deal was found by Cheapflights users on 5/30. 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 9/206:20 am
ONT
-
KOA
1 stop14h 11m
Delta
Mon 9/219:03 pm
KOA
-
ONT
1 stop11h 01m
Delta
Deal found 5/30$404
This Delta deal was found by Cheapflights users on 6/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3011:45 am
ONT
-
LIH
1 stop10h 22m
Delta
Fri 9/119:45 pm
LIH
-
ONT
1 stop10h 29m
Delta
Deal found 6/3$408
This Delta deal was found by Cheapflights users on 6/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:00 am
ONT
-
OGG
1 stop11h 02m
Delta
Wed 8/1910:05 pm
OGG
-
ONT
1 stop9h 59m
Delta
Deal found 6/3$408

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 June 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$284
(Delta)

One-way from

$142
(United Airlines)

Popular in

July

Cheapest in

February

Average price

$526

Good round-trip deal

$407 or less

Good one-way deal

$182 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 ($75 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 June 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 June 4, 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

Mon 8/24

8:00 am-6:05 pm

1 stop13h 05m

Lihue

Tue 9/1

7:10 pm-7:55 am

2 stops9h 45m

$409

OntarioHilo

ONT - ITO

ONTITO

Ontario

Tue 9/22

9:31 am-2:25 pm

1 stop7h 54m

Hilo Intl

Wed 9/23

9:26 am-10:10 pm

1 stop9h 44m

$425

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Sun 10/25

7:00 am-3:44 pm

1 stop11h 44m

Kahului

Fri 10/30

10:51 am-9:01 pm

1 stop7h 10m

$425
Quickest round-trip

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 10/7

7:00 am-10:02 am

Nonstop6h 02m

Honolulu

Thu 10/15

12:48 pm-9:22 pm

Nonstop5h 34m

$427

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Sun 11/8

11:55 am-8:22 pm

1 stop10h 27m

Lihue

Tue 11/17

10:45 pm-11:16 am

1 stop10h 31m

$436

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Wed 8/19

6:00 am-4:43 pm

2 stops13h 43m

Honolulu

Sun 8/23

10:45 pm-11:04 am

1 stop9h 19m

$440

OntarioKahului

ONT - OGG

ONTOGG

Ontario

Tue 10/6

7:25 am-4:10 pm

1 stop11h 45m

Kahului

Tue 10/13

10:30 pm-12:20 pm

2 stops10h 50m

$440

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Tue 11/10

7:20 am-5:01 pm

1 stop11h 41m

Lihue

Fri 11/20

11:31 pm-11:09 am

1 stop9h 38m

$440

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

Mon 10/5

7:00 am-10:02 am

Nonstop6h 02m

Honolulu

Sun 10/11

12:48 pm-9:22 pm

Nonstop5h 34m

$447

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Wed 8/5

12:04 pm-7:05 pm

1 stop10h 01m

Kona Intl

Wed 8/5

9:19 pm-11:14 am

1 stop10h 55m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

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, 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 November is currently the most expensive (average of $298). 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 June 4, 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?

How far ahead should I book a flight from Ontario to Hawaii?

Booking 52 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ontario to Hawaii. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 4, 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.

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

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..

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

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..

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

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..

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

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..

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

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..

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

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 6h 02m. 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 Alaska Airlines, which is currently one of the cheapest options available, starting at $153. Hawaiian Airlines flights start at $153 while deals on Southwest start at $155 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 $938, our data indicates the cheapest price to be $172. The most popular route (Ontario - Honolulu), is priced around $345.

  • 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 November is currently the most expensive (average of $298). 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 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 June 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$372FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$198Average$449FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$286Average$532FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$320Average$528FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$331Average$440FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$351Average$526FlexibilityNo cancel feeOn-time85%

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