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Cheap flights from Ontario to Kailua-Kona from C$ 442

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 16/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KOA
7 Sep — 14 Sep1
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 8 August 2026.

Tue 8/97:00 a.m. -
2 stops18h 15m
Mon 14/910:10 p.m. -
2 stops19h 34m
Deal found 6/8C$ 801
Wed 28/1010:50 p.m. -
2 stops28h 38m
Thu 5/1111:30 p.m. -
1 stop12h 10m
Deal found 7/8C$ 802
Sun 6/128:00 a.m. -
2 stops17h 54m
Tue 8/1211:30 p.m. -
1 stop16h 25m
Deal found 2/8C$ 832
Wed 21/107:00 a.m. -
2 stops18h 26m
Mon 16/119:40 p.m. -
2 stops20h 46m
Deal found 3/8C$ 840
Wed 16/911:00 a.m. -
2 stops14h 35m
Mon 21/98:00 p.m. -
2 stops13h 46m
Deal found 3/8C$ 840
Sun 6/126:45 a.m. -
2 stops19h 09m
Wed 9/1210:55 p.m. -
1 stop34h 17m
Deal found 3/8C$ 843
Fri 23/109:45 a.m. -
2 stops17h 42m
Fri 13/1111:59 p.m. -
2 stops14h 49m
Deal found 3/8C$ 844
Sun 25/108:00 a.m. -
2 stops18h 54m
Sat 31/1011:30 p.m. -
2 stops24h 43m
Deal found 5/8C$ 847
Fri 23/107:20 p.m. -
2 stops55h 34m
Wed 18/1110:55 p.m. -
2 stops20h 38m
Deal found 3/8C$ 856
Sun 25/104:15 p.m. -
2 stops59h 13m
Sun 22/1110:55 p.m. -
1 stop34h 17m
Deal found 5/8C$ 867
Mon 23/1110:50 p.m. -
2 stops27h 38m
Wed 2/1210:55 p.m. -
2 stops18h 48m
Deal found 4/8C$ 867
Sat 24/105:30 p.m. -
1 stop33h 24m
Sun 22/1110:55 p.m. -
1 stop34h 17m
Deal found 5/8C$ 868

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 8 August 2026.

Round-trip from

C$ 769

One-way from

C$ 442

Popular in

August

Cheapest in

January

Average price

C$ 1,585
WestJet
  • WestJet
  • 28/10-5/11
  • 3 total stops
  • 41h 23m total
  • Ontario to Kailua-Kona
Search Deals
Air Canada
  • Air Canada
  • 16/1
  • 2 total stops
  • 20h 49m total
  • Ontario to Kailua-Kona
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 283 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 78 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 8 August 2026.
Use the filters below to find and compare flights from Ontario to Kailua-Kona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

7:00 a.m.-7:15 p.m.

2 stops18h 15m

Kona Intl

Mon 14/9

10:10 p.m.-11:27 p.m.

2 stops19h 17m

C$ 839

TorontoKailua-Kona

YYZ Toronto Pearson Intl - KOA Kona Intl

YYZKOA

Toronto Pearson Intl

Thu 17/9

8:50 a.m.-7:35 p.m.

2 stops16h 45m

Kona Intl

Thu 24/9

1:08 p.m.-9:54 a.m.

2 stops14h 46m

C$ 840

TorontoKailua-Kona

YYZ Toronto Pearson Intl - KOA Kona Intl

YYZKOA

Toronto Pearson Intl

Wed 28/10

10:15 p.m.-9:28 p.m.

1 stop29h 13m

Kona Intl

Thu 5/11

11:30 p.m.-8:55 p.m.

1 stop16h 25m

C$ 868

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

9:45 a.m.-9:27 p.m.

2 stops17h 42m

Kona Intl

Tue 17/11

1:04 p.m.-1:28 p.m.

2 stops19h 24m

C$ 924

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

9:15 a.m.-9:27 p.m.

2 stops18h 12m

Kona Intl

Mon 16/11

8:25 p.m.-9:42 p.m.

2 stops20h 17m

C$ 924

OttawaKailua-Kona

YOW Ottawa - KOA Kona Intl

YOWKOA

Ottawa

Tue 3/11

5:40 p.m.-8:32 p.m.

2 stops31h 52m

Kona Intl

Tue 17/11

11:59 p.m.-11:11 p.m.

2 stops18h 12m

C$ 945

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 27/10

6:00 a.m.-7:32 p.m.

2 stops19h 32m

Kona Intl

Wed 18/11

1:04 p.m.-1:28 p.m.

2 stops19h 24m

C$ 949

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Fri 23/10

9:45 a.m.-9:27 p.m.

2 stops17h 42m

Kona Intl

Mon 16/11

11:59 p.m.-4:46 p.m.

1 stop11h 47m

C$ 951

OttawaKailua-Kona

YOW Ottawa - KOA Kona Intl

YOWKOA

Ottawa

Tue 8/12

6:00 a.m.-9:28 p.m.

2 stops20h 28m

Kona Intl

Thu 10/12

11:30 p.m.-11:45 p.m.

2 stops19h 15m

C$ 953

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

9:45 a.m.-9:27 p.m.

2 stops17h 42m

Kona Intl

Fri 13/11

11:59 p.m.-7:48 p.m.

2 stops14h 49m

C$ 958

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 42 resultsSorted by cheapest first
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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$ 597). Flying from Region of Ontario to Kailua-Kona in August is currently the most expensive (average of C$ 1,585). 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.

How far ahead should I book a flight from Region of Ontario to Kailua-Kona?

To ensure you get the cheapest price possible for a flight from Region of Ontario to Kailua-Kona, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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$ 840, Delta can have you in Kailua-Kona from Region of Ontario in 16h 45m. 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 Montreal Pierre Elliott Trudeau Intl - Kona Intl or Ottawa - Kona Intl, Toronto Pearson 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$ 597). Flying from Region of Ontario to Kailua-Kona in August is currently the most expensive (average of C$ 1,585). 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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Region of Waterloo Intl to Honolulu flights
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Kelowna to Kahului flights
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Québec City to Honolulu flights
Regina to Honolulu flights
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Québec City to Kailua-Kona flights
Regina to Kahului flights
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Toronto Island to Kahului flights
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Pearson Intl to Hilo flights
Ottawa to Lihue flights
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Nanaimo to Kahului flights
Victoria to Honolulu flights
Edmonton to Lihue flights

Top 3 airlines flying from Ontario to Kailua-Kona

Discover the top 3 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 8 August 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 368AverageC$ 629FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 548AverageC$ 883FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 619AverageC$ 1,157FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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