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$134+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — HNL
nov. 9 — nov. 161
dom. 11/9
dom. 11/16
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 octubre 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$282
(Alaska Airlines)

One-way from

$134
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$367

Good round-trip deal

$437 or less

Good one-way deal

$194 or less
Provider with most accurate pricing for Los Angeles-Honolulu flight deals.
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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. 15% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 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 octubre 10, 2025.

This American Airlines deal was found by Cheapflights users on 10/7. 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.
mié. 10/296:15 amONT - KOA
1 stop11h 16mAmerican Airlines
jue. 11/69:35 pmKOA - ONT
1 stop9h 26mAmerican Airlines
Deal found 10/7$291
This Southwest deal was found by Cheapflights users on 10/6. 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. 11/116:40 amONT - KOA
1 stop8h 05mSouthwest
vie. 11/1410:00 amKOA - ONT
1 stop7h 45mSouthwest
Deal found 10/6$308
This Delta deal was found by Cheapflights users on 10/7. 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. 11/116:00 amONT - KOA
2 stops14h 13mDelta
vie. 11/148:30 pmKOA - ONT
1 stop12h 38mDelta
Deal found 10/7$313
This Alaska Airlines deal was found by Cheapflights users on 10/7. 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.
jue. 12/412:13 pmONT - KOA
1 stop11h 17mAlaska Airlines
lun. 12/89:00 amKOA - ONT
1 stop12h 29mAlaska Airlines
Deal found 10/7$314
This Kiwi.com deal was found by Cheapflights users on 10/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/76:00 amONT - KOA
1 stop13h 22mAlaska Airlines
mié. 12/109:10 pmKOA - ONT
1 stop12h 09mAlaska Airlines
Deal found 10/8$319
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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. 10/2911:59 amONT - KOA
1 stop12h 41mAlaska Airlines
sáb. 11/112:03 pmKOA - ONT
1 stop8h 53mAlaska Airlines
Deal found 10/8$331
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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. 10/2911:59 amONT - KOA
1 stop12h 41mAlaska Airlines
jue. 10/308:00 amKOA - ONT
1 stop12h 32mAlaska Airlines
Deal found 10/8$332
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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. 10/276:00 amONT - OGG
1 stop10h 12mAlaska Airlines
jue. 10/302:40 pmOGG - ONT
1 stop23h 34mAlaska Airlines
Deal found 10/9$343
This Alaska Airlines deal was found by Cheapflights users on 10/7. 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.
vie. 12/126:00 amONT - KOA
1 stop10h 40mAlaska Airlines
lun. 12/159:00 amKOA - ONT
1 stop12h 29mAlaska Airlines
Deal found 10/7$344
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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. 10/216:00 amONT - OGG
1 stop10h 28mAlaska Airlines
mar. 11/411:20 pmOGG - ONT
1 stop9h 45mAlaska Airlines
Deal found 10/8$347
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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.
jue. 10/306:00 amONT - OGG
1 stop10h 12mAlaska Airlines
jue. 10/309:00 pmOGG - ONT
1 stop17h 14mAlaska Airlines
Deal found 10/8$350
This Alaska Airlines deal was found by Cheapflights users on 10/9. 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.
dom. 12/76:00 amONT - KOA
1 stop13h 22mAlaska Airlines
vie. 12/129:00 amKOA - ONT
1 stop12h 29mAlaska Airlines
Deal found 10/9$350

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 octubre 10, 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. 11/11

6:00 am-6:13 pm

2 stops14h 13m

Kona Intl

vie. 11/14

8:30 pm-11:08 am

1 stop12h 38m

$313

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

jue. 12/4

12:13 pm-9:30 pm

1 stop11h 17m

Kona Intl

lun. 12/8

9:00 am-11:29 pm

1 stop12h 29m

$314

OntarioKahului

ONT - OGG

ONTOGG

Ontario

lun. 10/27

6:00 am-1:12 pm

1 stop10h 12m

Kahului

jue. 10/30

2:40 pm-5:14 pm

1 stop23h 34m

$343

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

lun. 12/8

12:13 pm-9:30 pm

1 stop11h 17m

Kona Intl

dom. 12/14

9:10 pm-11:19 am

1 stop12h 09m

$344

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

vie. 12/12

6:00 am-2:40 pm

1 stop10h 40m

Kona Intl

lun. 12/15

9:00 am-11:29 pm

1 stop12h 29m

$344

OntarioKahului

ONT - OGG

ONTOGG

Ontario

mar. 10/21

6:00 am-1:28 pm

1 stop10h 28m

Kahului

mar. 11/4

11:20 pm-11:05 am

1 stop9h 45m

$347

OntarioKahului

ONT - OGG

ONTOGG

Ontario

dom. 11/16

6:00 am-8:07 pm

2 stops16h 07m

Kahului

mié. 11/19

10:20 pm-11:08 am

1 stop10h 48m

$352

OntarioKahului

ONT - OGG

ONTOGG

Ontario

lun. 11/17

6:00 am-8:07 pm

2 stops16h 07m

Kahului

mié. 11/19

10:20 pm-11:08 am

1 stop10h 48m

$352

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

jue. 12/11

6:00 am-5:22 pm

1 stop13h 22m

Kona Intl

mié. 12/17

9:10 pm-9:50 am

1 stop10h 40m

$353

OntarioKahului

ONT - OGG

ONTOGG

Ontario

jue. 10/30

6:00 am-1:12 pm

1 stop10h 12m

Kahului

jue. 10/30

9:00 pm-5:14 pm

1 stop17h 14m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/7

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, January is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $132). 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 octubre 10, 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 October 5, 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 octubre 10, 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 octubre 10, 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
11,050 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,050 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,237 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,969 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,775 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,968 reviews
Alaska Airlines
8.0
Very good
11,050 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 32 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 11h 17m. 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 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 cheapest flights from Ontario to Hawaii?

    Looking for the cheapest flight from Ontario to Hawaii? While on average our users pay $1,069, our data indicates the cheapest price to be $153. The most popular route (Ontario - Honolulu), is priced around $356.

  • 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, January is the cheapest month in which you can book a flight from Ontario to Hawaii (average of $132). 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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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 octubre 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$158Average$385FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$232Average$465FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$239Average$534FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$277Average$561FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$317Average$570FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$340Average$639FlexibilityNo cancel feeOn-time71%

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