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$156+ Cheap flights from Kailua-Kona to Ontario (KOA - ONT)

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — ONT
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Kailua-Kona to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to Ontario (ONT). 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 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$302
(Delta)

One-way from

$156
(Alaska Airlines)
Provider with most accurate pricing for Kona Intl-Ontario flight deals.
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Provider most trusted by Cheapflights users for Kona Intl-Ontario flights.
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From Kona Intl to Ontario
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One-way flight from Kona Intl to Ontario
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Find flight deals from Kailua-Kona to Ontario

Cheapest flights from Kailua-Kona to Ontario
Explore the most affordable flight options available from Kailua-Kona to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/248:30 pmKOA - ONT
1 stop14h 26mDelta
Tue 4/295:40 amONT - KOA
1 stop15h 02mDelta
Deal found 1/21$302
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 2/33:30 pmKOA - ONT
1 stop17h 04mAlaska Airlines
Mon 2/106:00 amONT - KOA
1 stop19h 44mAlaska Airlines
Deal found 1/20$359
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.
Tue 7/2910:50 pmKOA - ONT
1 stop8h 09mUnited Airlines
Tue 8/126:00 amONT - KOA
1 stop8h 20mUnited Airlines
Deal found 1/21$454
This United deal was found by Cheapflights users on 1/20. 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 2/35:05 pmKOA - ONT
2 stops14h 46mMultiple Airlines
Mon 2/106:15 amONT - KOA
2 stops11h 46mMultiple Airlines
Deal found 1/20$1,042

Find flights from Kailua-Kona to Ontario within your budget

Customize your flight search to find flights from Kailua-Kona to Ontario 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 21, 2025.

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Fly to

Any airport

Route

Depart

Return

Price

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 4/24

8:30 pm-1:56 pm

1 stop14h 26m

Ontario

Tue 4/29

5:40 am-5:42 pm

1 stop15h 02m

$302

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Mon 2/3

3:30 pm-10:34 am

1 stop17h 04m

Ontario

Mon 2/10

6:00 am-11:44 pm

1 stop19h 44m

$359

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Fri 5/2

11:04 pm-12:24 pm

1 stop10h 20m

Ontario

Fri 5/9

6:00 am-11:44 am

1 stop8h 44m

$518

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Mon 2/3

5:05 pm-9:51 am

2 stops14h 46m

Ontario

Mon 2/10

6:15 am-4:01 pm

2 stops11h 46m

$1,042

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Sat 2/8

10:50 am-9:50 pm

1 stop9h 00m

$156

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Mon 3/3

9:00 pm-12:24 pm

2 stops13h 24m

$166

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Tue 5/6

11:04 pm-12:24 pm

1 stop10h 20m

$174

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 3/13

6:00 am-8:55 pm

1 stop11h 55m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Compare providers for flights from Kailua-Kona to Ontario

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kailua-Kona to Ontario in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kailua-Kona-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kailua-Kona-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kailua-Kona-Ontario flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kailua-Kona-Ontario flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kailua-Kona to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kailua-Kona 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 Kailua-Kona to Ontario

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

What is the cheapest month to book a flight from Kailua-Kona to Ontario?

Currently, August is the cheapest month in which you can book a flight from Kailua-Kona to Ontario (average of $246). Flying from Kailua-Kona to Ontario in March is currently the most expensive (average of $310). 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 KOA to ONT?

Find hourly flight availability from Kailua-Kona to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

One of the essential ways to save on airfare from Kailua-Kona to Ontario is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 45% on airfare.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, 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 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated January 21, 2025.
Peruse reviews from past customers who have flown with United Airlines and Alaska Airlines from Kailua-Kona to Ontario to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,706 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

Alaska Airlines
8.0
Very good
9,706 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

Delta
8.0
Very good
8,521 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

Hawaiian Airlines
7.9
Good
2,334 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

United Airlines
7.4
Good
8,985 reviews
Alaska Airlines
8.0
Very good
9,706 reviews

Crew

8.5

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 10

The attention and efficiency of the staff and the good handling of the pilot

Related info for your journey

Find useful and relevant information for your journey from Kailua-Kona to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Kailua-Kona to Ontario round-trip?

    Our cheapest airline available from Kailua-Kona to Ontario is Delta. Our recent data shows that you can find tickets from as low as $302 on this airline. Additional options worth looking into are Alaska Airlines and United Airlines, starting at $359 and $518 round-trip.

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

    One-way options have recently been found by users for as low as $156 on Alaska Airlines. Other airlines that offer cheap prices include Delta from $166 and United Airlines from $174 one-way.

  • Can I find deals for flights from Kailua-Kona to Ontario that include hotel bookings?

    Yes. In addition to deals on Kailua-Kona to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kailua-Kona to Ontario?

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

  • Can I find deals for business class flights from Kailua-Kona to Ontario?

    Yes. Cheapflights offers flight deals from Kailua-Kona to Ontario 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 Kailua-Kona to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Kailua-Kona to Ontario (average of $246). Flying from Kailua-Kona to Ontario in March is currently the most expensive (average of $310). 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 Kailua-Kona to Ontario

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Top airline flying from Kailua-Kona to Ontario

Discover the top airline that operate flights from Kailua-Kona to Ontario. 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 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$128Average$662FlexibilityNo cancel feeOn-time85%
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