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$193+ Cheap flights from Kailua-Kona (KOA) to Ontario

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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — YYZ
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Kailua-Kona to Ontario

Best flights from Kailua-Kona to Ontario
Discover carefully curated flight deals from Kailua-Kona to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/15. 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 1/148:55 pmKOA - YYZ
1 stop13h 07mUnited Airlines
Sun 1/186:50 amYYZ - KOA
2 stops14h 51mUnited Airlines
Deal found 12/15$464
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 1/309:10 pmKOA - YYZ
1 stop13h 25mAlaska Airlines
Fri 2/64:45 pmYYZ - KOA
1 stop33h 45mAlaska Airlines
Deal found 12/16$556
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 1/307:40 pmKOA - YYZ
2 stops14h 55mMultiple Airlines
Fri 2/64:45 pmYYZ - KOA
1 stop33h 45mMultiple Airlines
Deal found 12/16$559
This United Airlines deal was found by Cheapflights users on 12/17. 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 2/188:55 pmKOA - YYZ
1 stop13h 07mUnited Airlines
Sun 2/224:10 pmYYZ - KOA
1 stop29h 24mUnited Airlines
Deal found 12/17$522
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 1/302:20 pmKOA - YYZ
2 stops14h 38mUnited Airlines
Fri 2/63:30 pmYYZ - KOA
2 stops26h 27mUnited Airlines
Deal found 12/16$683

Find flight deals from Kailua-Kona to Ontario

Keep the following information in mind while searching for Kailua-Kona to Ontario flight deals. Data was last updated December 18, 2025.

Round-trip from

$464
(United Airlines)

One-way from

$193
(United Airlines)
From Kona Intl to Ontario
Search Deals
One-way flight from Kona Intl to Ontario
Search Deals

Cheapflights Fare Finder

 
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 December 18, 2025.
Use the filters below to find and compare flights from Kailua-Kona to Ontario that are best for you.

Fly from

Kailua-Kona

Fly to

Ontario

Route

Depart

Return

Price

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Wed 1/14

8:55 pm-3:02 pm

1 stop13h 07m

Toronto Pearson Intl

Sun 1/18

6:50 am-4:41 pm

2 stops14h 51m

$464

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Wed 2/18

8:55 pm-3:02 pm

1 stop13h 07m

Toronto Pearson Intl

Sun 2/22

4:10 pm-4:34 pm

1 stop29h 24m

$522

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Fri 1/30

9:10 pm-3:35 pm

1 stop13h 25m

Toronto Pearson Intl

Fri 2/6

4:45 pm-9:30 pm

1 stop33h 45m

$556

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Fri 1/30

7:40 pm-3:35 pm

2 stops14h 55m

Toronto Pearson Intl

Fri 2/6

4:45 pm-9:30 pm

1 stop33h 45m

$559

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Fri 1/30

2:20 pm-9:58 am

2 stops14h 38m

Toronto Pearson Intl

Fri 2/6

3:30 pm-12:57 pm

2 stops26h 27m

$683

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Fri 1/30

8:55 pm-3:02 pm

1 stop13h 07m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

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.

Cheapflights Insights

Everything you need to know about your flight from Kailua-Kona to Ontario
No data available for this route at this time. Please check back soon.

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 December 18, 2025.
Peruse reviews from past customers who have flown with United Airlines from Kailua-Kona to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,091 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability
United Airlines
7.4
Good
9,091 reviews
United Airlines
7.4
Good
9,091 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Overall

7.4

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
4.0
Okay

Kevin,Dec 2025

BOS - EWR

Seems like every United flight has a delay and it’s always someone else’s fault. Step up and take some accountability

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 airport do you fly from for flights from Kailua-Kona to Ontario?

    For a flight from Kailua-Kona to Ontario, you will be flying from Kona Intl. Kona Intl (KOA) is just 7.7 mi from the center of the city.

  • How long is the flight from Kailua-Kona to Region of Ontario?

    There are many flights that can get you from Kailua-Kona to Region of Ontario in 13h 07m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 4616 mi.

  • 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.

See more FAQs

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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$442Average$756FlexibilityNo cancel feeOn-time69%

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