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Cheap flights from Ontario to Kailua-Kona from C$ 245

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 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KOA
17 Jan — 24 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Kailua-Kona

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Kailua-Kona
Explore the most affordable flight options available from Ontario to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2025.

Wed 31/126:30 p.m.YYZ - KOA
2 stops32h 58mWestJet
Thu 8/19:30 p.m.KOA - YYZ
2 stops21h 09mWestJet
Deal found 16/12C$ 1,003
Wed 31/129:35 a.m.YYZ - KOA
1 stop14h 16mMultiple Airlines
Thu 8/19:30 p.m.KOA - YYZ
1 stop15h 11mMultiple Airlines
Deal found 16/12C$ 1,021
Wed 31/126:50 a.m.YYZ - KOA
2 stops14h 51mUnited Airlines
Wed 7/18:55 p.m.KOA - YYZ
2 stops17h 50mUnited Airlines
Deal found 16/12C$ 1,177
Sat 20/1210:15 p.m.YYZ - KOA
1 stop28h 39mWestJet
Thu 1/111:30 p.m.KOA - YYZ
2 stops19h 08mWestJet
Deal found 16/12C$ 1,809
Thu 18/126:45 a.m.YUL - KOA
2 stops44h 09mWestJet
Sat 27/1211:30 p.m.KOA - YUL
2 stops34h 42mWestJet
Deal found 16/12C$ 1,861
Thu 18/127:00 a.m.YUL - KOA
2 stops19h 10mUnited Airlines
Sat 27/1211:20 p.m.KOA - YUL
1 stop12h 13mUnited Airlines
Deal found 17/12C$ 1,872
Thu 18/129:00 p.m.YUL - KOA
1 stop20h 44mAir Canada
Sat 27/122:25 p.m.KOA - YUL
2 stops17h 57mAir Canada
Deal found 16/12C$ 1,933
Thu 25/127:00 a.m.YUL - KOA
2 stops19h 10mUnited Airlines
Mon 5/18:30 p.m.KOA - YUL
2 stops32h 50mUnited Airlines
Deal found 16/12C$ 1,959
Fri 26/126:15 a.m.YOW - KOA
2 stops19h 55mAir Canada
Mon 5/12:23 p.m.KOA - YOW
2 stops25h 55mAir Canada
Deal found 16/12C$ 1,985
Wed 24/127:30 p.m.YUL - KOA
2 stops31h 58mWestJet
Sun 4/19:30 p.m.KOA - YUL
2 stops22h 13mWestJet
Deal found 17/12C$ 2,040
Fri 26/123:10 p.m.YOW - KOA
2 stops25h 14mUnited Airlines
Mon 5/18:30 p.m.KOA - YOW
2 stops19h 48mUnited Airlines
Deal found 17/12C$ 2,043
Wed 24/125:50 p.m.YUL - KOA
1 stop26h 09mUnited Airlines
Sun 4/12:23 p.m.KOA - YUL
2 stops20h 38mUnited Airlines
Deal found 17/12C$ 2,158

Find flight deals from Ontario to Kailua-Kona

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

Round-trip from

C$ 419

One-way from

C$ 245

Popular in

June

Cheapest in

November

Average price

C$ 752
WestJet
  • WestJet
  • 9/1-18/1
  • 2 total stops
  • 40h 55m total
  • Ontario to Kailua-Kona
Search Deals
WestJet
  • WestJet
  • 31/1
  • 2 total stops
  • 42h 47m total
  • Ontario to Kailua-Kona
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 302 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Kailua-Kona 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 629,999 searches. Data last updated 18 December 2025.
Use the filters below to find and compare flights from Ontario to Kailua-Kona that are best for you.

Fly from

Ontario

Fly to

Kailua-Kona

Route

Depart

Return

Price

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Wed 27/5

10:05 a.m.-8:02 p.m.

2 stops15h 57m

Kona Intl

Tue 2/6

12:00 p.m.-6:45 a.m.

1 stop12h 45m

C$ 457

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sat 30/5

7:30 a.m.-8:02 p.m.

2 stops18h 32m

Kona Intl

Tue 2/6

12:00 p.m.-6:45 a.m.

1 stop12h 45m

C$ 457

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 26/5

11:00 a.m.-8:02 p.m.

2 stops15h 02m

Kona Intl

Tue 2/6

10:15 p.m.-8:44 p.m.

2 stops16h 29m

C$ 457

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Thu 28/5

11:00 a.m.-8:02 p.m.

2 stops15h 02m

Kona Intl

Tue 2/6

12:00 p.m.-6:45 a.m.

1 stop12h 45m

C$ 457

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Wed 21/1

7:30 p.m.-8:28 p.m.

2 stops29h 58m

Kona Intl

Thu 29/1

9:30 p.m.-7:05 a.m.

2 stops28h 35m

C$ 493

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

7:30 p.m.-8:28 p.m.

2 stops53h 58m

Kona Intl

Thu 29/1

9:30 p.m.-7:05 a.m.

2 stops28h 35m

C$ 493

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Sat 31/1

5:35 p.m.-12:44 p.m.

2 stops24h 09m

Kona Intl

Wed 4/2

2:00 p.m.-3:45 p.m.

1 stop20h 45m

C$ 503

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

7:30 p.m.-8:28 p.m.

2 stops53h 58m

Kona Intl

Wed 28/1

9:30 p.m.-12:43 a.m.

2 stops22h 13m

C$ 503

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 20/1

7:30 p.m.-8:28 p.m.

2 stops53h 58m

Kona Intl

Sun 1/2

10:55 p.m.-12:38 a.m.

2 stops44h 43m

C$ 503

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Wed 7/1

10:50 p.m.-8:28 p.m.

2 stops26h 38m

Kona Intl

Wed 28/1

9:30 p.m.-5:23 p.m.

2 stops14h 53m

C$ 511

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 40 results
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Best time to book a flight from Ontario to Kailua-Kona

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

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Kailua-Kona (average of C$ 394). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of C$ 878). 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 ON to KOA?

Find hourly flight availability from Ontario to Kailua-Kona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2025.

It’s optimal to fly from Region of Ontario to Kailua-Kona in the evening. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Region of Ontario to Kailua-Kona?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Kailua-Kona. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Region of Ontario to Kailua-Kona flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kailua-Kona. 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 into for flights to Kailua-Kona from Ontario?

    For a flight from Ontario to Kailua-Kona, you will be flying into Kona Intl. Kona Intl (KOA) is just 12.5 km from the centre of the city.

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

    For as low as C$ 457, United Airlines can have you in Kailua-Kona from Region of Ontario in 15h 57m. There are 7429 km between Region of Ontario and Kailua-Kona. This flight may include one or multiple stops.

  • What are the most popular routes from Region of Ontario to Kailua-Kona?

    While some choose either Toronto Pearson Intl - Kona Intl or Ottawa - Kona Intl, Montreal Pierre Elliott Trudeau Intl - Kona Intl is the most popular route from Region of Ontario to Kailua-Kona.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Kailua-Kona (average of C$ 394). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of C$ 878). 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 Kailua-Kona

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Ontario to Kailua-Kona

Discover the top 4 airlines that operate flights from Ontario to Kailua-Kona. 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 629,999 searches. Data last updated 18 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 408AverageC$ 716FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 540AverageC$ 898FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 547AverageC$ 1,007FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 1,099AverageC$ 1,428FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Kailua-Kona?

Deals for Ontario to Kailua-Kona flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Kailua-Kona?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Kailua-Kona by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Kailua-Kona with no change fees?

Certainly. Search results for flights to Kailua-Kona from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Kailua-Kona become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Kailua-Kona from Ontario today and book when prices fit your budget.

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