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The Big Island

$142+ Cheap flights from Ontario (ONT) to The Big Island

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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KOA
Jan 27 — Feb 31
Mon 1/27
Mon 2/3
1 adult, Economy
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Cheap flight deals from Ontario to The Big Island

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to The Big Island (zzFUI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 22, 2025.

Round-trip from

$283
(Delta)

One-way from

$142
(Delta)
From Ontario to The Big Island
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One-way flight from Ontario to The Big Island
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Find flight deals from Ontario to The Big Island

Cheapest flights from Ontario to The Big Island
Explore the most affordable flight options available from Ontario to The Big Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2025.

This Delta deal was found by Cheapflights users on 1/22. 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 4/235:40 amONT - KOA
1 stop15h 02mDelta
Tue 4/298:30 pmKOA - ONT
1 stop14h 26mDelta
Deal found 1/22$283
This Southwest deal was found by Cheapflights users on 1/22. 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 4/77:05 amONT - KOA
1 stop8h 00mSouthwest
Tue 4/158:30 pmKOA - ONT
1 stop11h 30mSouthwest
Deal found 1/22$297
This Alaska Airlines deal was found by Cheapflights users on 1/22. 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.
Sat 9/69:50 amONT - KOA
1 stop10h 36mAlaska Airlines
Mon 9/159:34 amKOA - ONT
1 stop9h 21mAlaska Airlines
Deal found 1/22$310
This United Airlines deal was found by Cheapflights users on 1/22. 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 4/296:00 amONT - KOA
1 stop8h 44mUnited Airlines
Tue 5/611:04 pmKOA - ONT
1 stop10h 20mUnited Airlines
Deal found 1/22$347
This American Airlines deal was found by Cheapflights users on 1/22. 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.
Wed 2/267:30 pmONT - KOA
1 stop22h 23mAmerican Airlines
Sun 3/29:30 pmKOA - ONT
1 stop9h 42mAmerican Airlines
Deal found 1/22$386
This Bravofly deal was found by Cheapflights users on 1/22. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/249:45 amONT - ITO
1 stop9h 39mHawaiian Airlines
Tue 3/411:29 amITO - ONT
1 stop8h 21mHawaiian Airlines
Deal found 1/22$463
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/189:45 amONT - ITO
1 stop8h 23mAlaska Airlines
Tue 2/2511:29 amITO - ONT
1 stop8h 21mAlaska Airlines
Deal found 1/21$484
This Hawaiian Airlines deal was found by Cheapflights users on 1/22. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/259:45 amONT - KOA
1 stop9h 52mHawaiian Airlines
Wed 3/58:00 amKOA - ONT
1 stop11h 50mHawaiian Airlines
Deal found 1/22$523
This Southwest deal was found by Cheapflights users on 1/21. 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 2/106:40 amONT - ITO
2 stops13h 35mSouthwest
Thu 2/138:05 amITO - ONT
2 stops12h 25mSouthwest
Deal found 1/21$534
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/56:00 amONT - ITO
2 stops28h 06mUnited Airlines
Wed 3/128:25 amITO - ONT
2 stops22h 29mUnited Airlines
Deal found 1/21$637
This Orbitz deal was found by Cheapflights users on 1/22. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1611:33 amONT - MUE
2 stops22h 20mMultiple Airlines
Sun 4/209:10 pmMUE - ONT
2 stops16h 52mMultiple Airlines
Deal found 1/22$688
This United deal was found by Cheapflights users on 1/22. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/246:00 amONT - ITO
2 stops11h 15mMultiple Airlines
Tue 3/46:10 amITO - ONT
2 stops12h 30mMultiple Airlines
Deal found 1/22$1,178

Find flights from Ontario to The Big Island within your budget

Customize your flight search to find flights from Ontario to The Big Island 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 January 22, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 4/7

7:05 am-12:05 pm

1 stop8h 00m

Kona Intl

Tue 4/15

8:30 pm-11:00 am

1 stop11h 30m

$297

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 4/22

5:40 am-5:42 pm

1 stop15h 02m

Kona Intl

Tue 4/29

8:30 pm-1:56 pm

1 stop14h 26m

$302

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 3/3

6:00 am-11:33 pm

1 stop19h 33m

Kona Intl

Tue 3/11

5:02 pm-8:55 pm

1 stop24h 53m

$315

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 3/18

7:35 pm-2:44 pm

1 stop22h 09m

Kona Intl

Wed 3/26

9:10 pm-8:47 am

1 stop8h 37m

$361

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 2/24

9:45 am-5:24 pm

1 stop9h 39m

Hilo Intl

Tue 3/4

11:29 am-9:50 pm

1 stop8h 21m

$463

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Wed 2/5

6:15 am-12:55 pm

1 stop8h 40m

Kona Intl

Sun 2/9

2:25 pm-9:51 am

1 stop17h 26m

$481

OntarioHilo

ONT - ITO

ONTITO

Ontario

Mon 2/10

6:40 am-6:15 pm

2 stops13h 35m

Hilo Intl

Thu 2/13

8:05 am-10:30 pm

2 stops12h 25m

$534

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Sun 3/2

9:45 am-4:33 pm

1 stop8h 48m

Kona Intl

Tue 3/11

8:00 am-8:55 pm

1 stop9h 55m

$541

OntarioHilo

ONT - ITO

ONTITO

Ontario

Sat 3/8

9:45 am-4:08 pm

1 stop8h 23m

Hilo Intl

Sat 3/15

9:30 am-8:55 pm

1 stop8h 25m

$601

OntarioHilo

ONT - ITO

ONTITO

Ontario

Thu 2/6

6:15 am-6:13 pm

2 stops13h 58m

Hilo Intl

Sun 2/9

4:40 pm-9:51 am

2 stops15h 11m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 24 results
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Best time to book a flight from Ontario to The Big Island

Have a flexible travel schedule? Discover the best time to fly to The Big Island 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.

Travel insights for flights from Ontario to The Big Island

Get recent, data-driven insights about flights from Ontario to The Big Island including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to The Big Island?

Currently, October is the cheapest month in which you can book a flight from Ontario to The Big Island (average of $409). Flying from Ontario to The Big Island in June is currently the most expensive (average of $618). 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 FUI?

Find hourly flight availability from Ontario to The Big Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 22, 2025.

When flying from Ontario to The Big Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in The Big Island by month

Plan your trip to The Big Island by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in The Big Island ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit The Big Island when rainfall is around 1.6 in.

Temperature in The Big Island by month

Plan your trip to The Big Island by taking into account the average temperature totals by month.

If weather is an important factor for your trip to The Big Island, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

Reviews of airlines servicing The Big Island

Get insights into the airlines that provide service to The Big Island. 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 The Big Island. Reviews last updated January 22, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and United Airlines from Ontario to The Big Island by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,654 reviews
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,707 reviews
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,514 reviews
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Hawaiian Airlines
7.9
Good
2,332 reviews
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,975 reviews
Southwest
8.1
Very good
4,654 reviews

Crew

8.7

Entertainment

7.7

Comfort

8.1

Boarding

8.2

Overall

8.1

Food

7.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Ontario to The Big Island. 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 The Big Island?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to The Big Island. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • What are the cheapest airlines to fly from Ontario to The Big Island one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $142. Alaska Airlines flights start at $154 while deals on United Airlines start at $174 one-way.

  • What are the most popular routes from Ontario to The Big Island?

    When deciding which route to take from Ontario to The Big Island consider Ontario - Kona Intl, Ontario - Hilo Intl or Ontario - Waimea (Kamuela) Waimea Kohala as they are the most popular.

  • Can I find deals for flights from Ontario to The Big Island that include hotel bookings?

    Yes. In addition to deals on Ontario to The Big Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to The Big Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to The Big Island.

  • Can I find deals for business class flights from Ontario to The Big Island?

    Yes. Cheapflights offers flight deals from Ontario to The Big Island 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 The Big Island?

    Currently, October is the cheapest month in which you can book a flight from Ontario to The Big Island (average of $409). Flying from Ontario to The Big Island in June is currently the most expensive (average of $618). 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.

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Alternative routes for Ontario to The Big Island

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 The Big Island

Discover the top 6 airlines that operate flights from Ontario to The Big Island. 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 January 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$232Average$488FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$247Average$441FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$275Average$534FlexibilityNo cancel feeOn-time71%
DeltaCheapest$281Average$373FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$320Average$459FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$346Average$538FlexibilityNo cancel feeOn-time63%
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