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$158+ 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
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
1 adult, Economy
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Cheap flight deals from Ontario to Hawaii

Keep the following information in mind while searching for Ontario to Hawaii flight deals. Data was last updated julio 3, 2025.

Round-trip from

$314
(flugladen.de)

One-way from

$158
(Delta)

Popular in

June

Cheapest in

January

Average price

$483

Good round-trip deal

$428 or less

Good one-way deal

$282 or less
From Ontario to Hawaii
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One-way flight from Ontario to Hawaii
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Highest demand for flights based on searches. 17% potential increase in price ($79 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Ontario to Hawaii.
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Price to beat on a one-way flight from Ontario to Hawaii.
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Find 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 julio 3, 2025.

This flugladen.de deal was found by Cheapflights users on 7/1. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/182:22 pmONT - OGG
1 stop10h 12mAlaska Airlines
mié. 8/2710:38 pmOGG - ONT
1 stop9h 06mAlaska Airlines
Deal found 7/1$314
This flugladen.de deal was found by Cheapflights users on 7/1. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/172:21 pmONT - OGG
1 stop10h 13mHawaiian Airlines
mar. 8/269:50 pmOGG - ONT
1 stop9h 54mHawaiian Airlines
Deal found 7/1$318
This Delta deal was found by Cheapflights users on 7/2. 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.
mié. 8/206:00 amONT - OGG
1 stop14h 08mDelta
mar. 8/269:10 pmOGG - ONT
1 stop10h 40mDelta
Deal found 7/2$327
This Kissandfly.com deal was found by Cheapflights users on 7/1. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/1712:00 pmONT - OGG
1 stop12h 34mMultiple Airlines
mar. 8/2610:38 pmOGG - ONT
1 stop9h 06mMultiple Airlines
Deal found 7/1$339
This SmartFares deal was found by Cheapflights users on 7/3. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/253:06 pmONT - KOA
1 stop10h 03mHawaiian Airlines
lun. 9/299:32 pmKOA - ONT
1 stop10h 12mHawaiian Airlines
Deal found 7/3$341
This Delta deal was found by Cheapflights users on 7/1. 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.
mié. 11/511:29 amONT - LIH
1 stop10h 53mDelta
mié. 11/1210:45 pmLIH - ONT
1 stop10h 05mDelta
Deal found 7/1$361
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
mié. 10/81:31 pmONT - KOA
1 stop11h 09mAlaska Airlines
mié. 10/1511:57 amKOA - ONT
1 stop8h 52mAlaska Airlines
Deal found 7/1$361
This Delta deal was found by Cheapflights users on 7/2. 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.
lun. 8/186:00 amONT - KOA
1 stop14h 34mDelta
lun. 8/259:47 pmKOA - ONT
1 stop10h 03mDelta
Deal found 7/2$364
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/235:45 amONT - OGG
1 stop9h 40mSouthwest
mar. 9/308:25 pmOGG - ONT
2 stops10h 05mSouthwest
Deal found 7/1$366
This Southwest deal was found by Cheapflights users on 7/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/88:05 amONT - KOA
1 stop8h 00mSouthwest
vie. 9/129:15 amKOA - ONT
2 stops10h 30mSouthwest
Deal found 7/1$366
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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.
mar. 8/196:00 amONT - ITO
2 stops14h 38mAlaska Airlines
mié. 8/277:47 amITO - ONT
1 stop10h 23mAlaska Airlines
Deal found 7/2$383
This Southwest deal was found by Cheapflights users on 7/2. 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.
jue. 10/305:45 amONT - LIH
1 stop10h 05mSouthwest
mié. 11/510:00 amLIH - ONT
1 stop7h 30mSouthwest
Deal found 7/2$401

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 julio 3, 2025.
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

OntarioKahului

ONT - OGG

ONTOGG

Ontario

lun. 8/18

2:22 pm-9:34 pm

1 stop10h 12m

Kahului

mié. 8/27

10:38 pm-10:44 am

1 stop9h 06m

$314

OntarioKahului

ONT - OGG

ONTOGG

Ontario

dom. 8/17

2:21 pm-9:34 pm

1 stop10h 13m

Kahului

mar. 8/26

9:50 pm-10:44 am

1 stop9h 54m

$318

OntarioKahului

ONT - OGG

ONTOGG

Ontario

dom. 8/17

6:00 am-5:08 pm

1 stop14h 08m

Kahului

mar. 8/26

9:10 pm-10:50 am

1 stop10h 40m

$339

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

jue. 9/25

3:06 pm-10:09 pm

1 stop10h 03m

Kona Intl

lun. 9/29

9:32 pm-10:44 am

1 stop10h 12m

$341

OntarioLihue

ONT - LIH

ONTLIH

Ontario

mar. 8/26

11:40 am-7:03 pm

1 stop10h 23m

Lihue

vie. 9/5

9:40 pm-10:50 am

1 stop10h 10m

$361

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

jue. 9/18

3:06 pm-10:09 pm

1 stop10h 03m

Kona Intl

lun. 9/22

9:32 pm-10:44 am

1 stop10h 12m

$361

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

lun. 8/18

6:00 am-5:34 pm

1 stop14h 34m

Kona Intl

lun. 8/25

9:47 pm-10:50 am

1 stop10h 03m

$364

OntarioKahului

ONT - OGG

ONTOGG

Ontario

mar. 9/23

5:45 am-12:25 pm

1 stop9h 40m

Kahului

mar. 9/30

8:25 pm-9:30 am

2 stops10h 05m

$366

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

lun. 9/8

8:05 am-1:05 pm

1 stop8h 00m

Kona Intl

vie. 9/12

9:15 am-10:45 pm

2 stops10h 30m

$366

OntarioHilo

ONT - ITO

ONTITO

Ontario

mar. 8/19

6:00 am-5:38 pm

2 stops14h 38m

Hilo Intl

mié. 8/27

7:47 am-9:10 pm

1 stop10h 23m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 49 results
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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, November is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $469). Flying from Ontario to Hawaii in June is currently the most expensive (average of $687). 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 julio 3, 2025.

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 julio 3, 2025.

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 julio 3, 2025.
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
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,270 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,845 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 19 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from Ontario to Hawaii one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $158. Alaska Airlines flights start at $176 while deals on Hawaiian Airlines start at $182 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 most reliable airlines from Ontario to Hawaii?

    No one likes to see their flight delayed. When booking a flight from Ontario to Hawaii consider choosing Alaska Airlines (90%), Hawaiian Airlines (90%) or JetBlue (86%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Ontario to Hawaii?

    Looking for the cheapest flight from Ontario to Hawaii? While on average our users pay $447, our data indicates the cheapest price to be $176. The most popular route (Ontario - Honolulu), is priced around $327.

  • 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, November is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $469). Flying from Ontario to Hawaii in June is currently the most expensive (average of $687). 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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$356FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$497FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$492FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$251Average$468FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$277Average$576FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$314Average$581FlexibilityNo cancel feeOn-time75%

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