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$114+ 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 1/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
ene. 2 — ene. 91
vie. 1/2
vie. 1/9
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 diciembre 3, 2025.

This Delta deal was found by Cheapflights users on 12/1. 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.
mar. 12/236:00 amONT - KOA
1 stop11h 48mDelta
dom. 1/118:45 pmKOA - ONT
1 stop15h 11mDelta
Deal found 12/1$319
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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.
lun. 12/87:00 amONT - OGG
1 stop8h 25mAlaska Airlines
mar. 1/1311:51 amOGG - ONT
1 stop8h 37mAlaska Airlines
Deal found 12/2$395
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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.
mié. 12/312:13 pmONT - OGG
1 stop12h 40mAlaska Airlines
jue. 4/309:50 pmOGG - ONT
1 stop10h 03mAlaska Airlines
Deal found 12/2$404
This American Airlines deal was found by Cheapflights users on 12/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/86:17 amONT - OGG
1 stop11h 15mAmerican Airlines
dom. 12/1411:00 pmOGG - ONT
1 stop11h 00mAmerican Airlines
Deal found 12/1$413
This Southwest deal was found by Cheapflights users on 12/1. 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. 12/810:15 amONT - OGG
2 stops9h 55mSouthwest
dom. 12/149:35 pmOGG - ONT
1 stop12h 35mSouthwest
Deal found 12/1$418
This Southwest deal was found by Cheapflights users on 12/2. 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.
vie. 12/125:25 amONT - OGG
2 stops11h 25mSouthwest
jue. 12/189:25 pmOGG - ONT
1 stop9h 35mSouthwest
Deal found 12/2$420
This Alaska Airlines deal was found by Cheapflights users on 12/1. 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.
lun. 12/87:00 amONT - HNL
Nonstop6h 13mAlaska Airlines
lun. 12/222:44 pmHNL - ONT
Nonstop5h 24mAlaska Airlines
Deal found 12/1$438
This Alaska Airlines deal was found by Cheapflights users on 11/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/912:13 pmONT - OGG
1 stop12h 40mAlaska Airlines
mié. 12/1710:16 amOGG - ONT
1 stop9h 27mAlaska Airlines
Deal found 11/30$441
This Cheapflightsfares deal was found by Cheapflights users on 11/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/77:00 amONT - OGG
1 stop7h 59mAlaska Airlines
mié. 12/1011:20 pmOGG - ONT
1 stop9h 59mAlaska Airlines
Deal found 11/30$444
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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.
mié. 12/36:00 amONT - OGG
1 stop12h 26mAlaska Airlines
mié. 12/1011:20 pmOGG - ONT
1 stop9h 59mAlaska Airlines
Deal found 12/3$445
This Alaska Airlines deal was found by Cheapflights users on 12/1. 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.
mar. 12/912:13 pmONT - HNL
1 stop11h 56mAlaska Airlines
lun. 12/222:44 pmHNL - ONT
Nonstop5h 24mAlaska Airlines
Deal found 12/1$448
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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. 12/96:00 amONT - OGG
1 stop10h 24mAlaska Airlines
dom. 12/1411:01 amOGG - ONT
1 stop8h 42mAlaska Airlines
Deal found 12/2$449

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 diciembre 3, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$228
(Southwest)

One-way from

$114
(Southwest)

Popular in

June

Cheapest in

February

Average price

$480

Good round-trip deal

$398 or less

Good one-way deal

$269 or less
Provider with most accurate pricing for Los Angeles-Honolulu flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Honolulu flights.
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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 ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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.
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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 diciembre 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

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

mar. 1/13

7:00 am-1:15 pm

1 stop8h 15m

Kona Intl

mié. 1/28

9:25 pm-10:25 am

2 stops11h 00m

$260

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

vie. 1/23

6:05 am-1:45 pm

1 stop9h 40m

Kona Intl

mar. 1/27

10:00 am-7:35 pm

1 stop7h 35m

$293

OntarioLihue

ONT - LIH

ONTLIH

Ontario

mié. 1/21

7:00 am-6:15 pm

2 stops13h 15m

Lihue

mar. 1/27

9:15 pm-10:25 am

2 stops11h 10m

$300

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

mar. 1/13

8:13 am-4:00 pm

1 stop9h 47m

Kona Intl

mié. 1/21

9:10 pm-10:59 am

1 stop11h 49m

$303

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

mié. 1/21

8:13 am-4:00 pm

1 stop9h 47m

Kona Intl

dom. 1/25

7:40 pm-10:28 pm

1 stop24h 48m

$309

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

mié. 2/4

6:00 am-7:57 pm

2 stops15h 57m

Kona Intl

mar. 2/10

10:55 pm-4:15 pm

2 stops15h 20m

$318

OntarioKahului

ONT - OGG

ONTOGG

Ontario

dom. 4/26

5:00 am-10:20 am

1 stop8h 20m

Kahului

dom. 5/3

8:35 pm-11:20 am

1 stop11h 45m

$321

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

mar. 2/24

7:30 am-7:34 pm

1 stop14h 04m

Kona Intl

lun. 3/2

8:59 pm-12:07 pm

2 stops13h 08m

$324

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

mié. 2/25

7:00 am-2:33 pm

1 stop9h 33m

Honolulu

lun. 3/2

2:40 pm-10:15 pm

Nonstop5h 35m

$325

OntarioHonolulu

ONT - HNL

ONTHNL

Ontario

jue. 1/8

8:13 am-12:29 pm

Nonstop6h 16m

Honolulu

mié. 1/14

2:54 pm-10:28 pm

Nonstop5h 34m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 60 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, February 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 $211). 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 diciembre 3, 2025.

One of the essential ways to save on airfare from Ontario to Hawaii is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 43% on airfare.

What is the cheapest day to fly from Ontario to Hawaii?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Hawaii. Price data was last updated on November 29, 2025.

Travelers seeking maximum savings on their Ontario to Hawaii flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 diciembre 3, 2025.

The most flights from ONT to USHI are scheduled on a Tuesday (4 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 diciembre 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
11,390 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Alaska Airlines
8.0
Very good
11,390 reviews
Alaska Airlines
8.0
Very good
11,390 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Southwest
8.0
Very good
4,253 reviews
Alaska Airlines
8.0
Very good
11,390 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Delta
7.9
Good
8,009 reviews
Alaska Airlines
8.0
Very good
11,390 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
Hawaiian Airlines
7.8
Good
2,815 reviews
Alaska Airlines
8.0
Very good
11,390 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.
United Airlines
7.4
Good
9,064 reviews
Alaska Airlines
8.0
Very good
11,390 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

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 39 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 8h 15m. Ontario and Hawaii are separated by a distance of 2547 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. Alaska Airlines flights start at $124 while deals on American Airlines start at $125 one-way.

  • What are the most popular routes from Ontario to Hawaii?

    Most travelers choose Ontario - Honolulu, Ontario - Kahului or Ontario - Lihue 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 $1,238, our data indicates the cheapest price to be $231. The most popular route (Ontario - Honolulu), is priced around $228.

  • 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, February 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 $211). 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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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 diciembre 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$168Average$376FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$232Average$413FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$265Average$525FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$277Average$555FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$308Average$536FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$317Average$564FlexibilityNo cancel feeOn-time75%

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