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Cheap flights from Ontario to Kailua-Kona from C$ 258

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 29/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KOA
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap 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 15 September 2025.

Round-trip from

C$ 421

One-way from

C$ 258

Popular in

June

Cheapest in

November

Average price

C$ 673
WestJet
  • WestJet
  • 6/12-12/12
  • 2 total stops
  • 61h 12m total
  • Ontario to Kailua-Kona
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WestJet
  • WestJet
  • 29/11
  • 1 total stop
  • 34h 54m total
  • Ontario to Kailua-Kona
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (C$ 350 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Ontario to Kailua-Kona

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 15 September 2025.

Sat 6/124:00 p.m.YYZ - KOA
1 stop34h 54mWestJet
Fri 12/1210:55 p.m.KOA - YYZ
1 stop26h 18mWestJet
Deal found 13/9C$ 421
Fri 5/121:30 p.m.YYZ - KOA
1 stop13h 24mWestJet
Wed 10/1210:55 p.m.KOA - YYZ
1 stop17h 16mWestJet
Deal found 13/9C$ 434
Fri 5/121:30 p.m.YYZ - KOA
1 stop13h 24mWestJet
Sat 13/1211:30 p.m.KOA - YYZ
1 stop20h 08mWestJet
Deal found 13/9C$ 439
Fri 5/121:30 p.m.YYZ - KOA
1 stop13h 24mWestJet
Fri 12/1210:55 p.m.KOA - YYZ
1 stop26h 18mWestJet
Deal found 13/9C$ 445
Thu 4/126:30 a.m.YYZ - KOA
2 stops20h 58mWestJet
Wed 10/1210:55 p.m.KOA - YYZ
1 stop13h 33mWestJet
Deal found 13/9C$ 448
Mon 8/1210:15 p.m.YYZ - KOA
1 stop29h 13mWestJet
Thu 11/1211:30 p.m.KOA - YYZ
1 stop13h 11mWestJet
Deal found 13/9C$ 453
Sat 6/128:00 a.m.YYZ - KOA
2 stops19h 28mWestJet
Thu 11/1211:30 p.m.KOA - YYZ
1 stop17h 23mWestJet
Deal found 13/9C$ 461
Sun 7/128:00 a.m.YYZ - KOA
2 stops18h 54mWestJet
Thu 11/1211:30 p.m.KOA - YYZ
2 stops18h 41mWestJet
Deal found 13/9C$ 467
Sat 6/128:00 a.m.YYZ - KOA
2 stops19h 28mWestJet
Sat 13/1211:30 p.m.KOA - YYZ
1 stop20h 08mWestJet
Deal found 13/9C$ 471
Tue 30/126:45 a.m.YUL - KOA
2 stops44h 09mWestJet
Sat 17/111:30 p.m.KOA - YUL
2 stops26h 35mWestJet
Deal found 13/9C$ 501
Mon 29/97:29 p.m.YOW - KOA
2 stops21h 57mUnited Airlines
Tue 7/101:40 p.m.KOA - YOW
2 stops16h 05mUnited Airlines
Deal found 14/9C$ 557
Tue 28/103:00 p.m.YUL - KOA
2 stops27h 00mUnited Airlines
Wed 12/112:40 p.m.KOA - YUL
2 stops17h 48mUnited Airlines
Deal found 14/9C$ 575

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 15 September 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

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Thu 5/2

7:30 p.m.-9:47 p.m.

1 stop31h 17m

Kona Intl

Thu 19/2

11:30 p.m.-7:05 a.m.

2 stops26h 35m

C$ 477

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Mon 2/3

7:15 p.m.-10:27 p.m.

2 stops32h 12m

Kona Intl

Wed 4/3

10:55 p.m.-4:53 p.m.

1 stop12h 58m

C$ 484

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Mon 8/12

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

2 stops29h 13m

Kona Intl

Fri 12/12

10:55 p.m.-5:23 p.m.

2 stops13h 28m

C$ 486

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Mon 8/12

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

1 stop29h 13m

Kona Intl

Sat 13/12

11:30 p.m.-11:39 p.m.

2 stops19h 09m

C$ 486

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 10/3

1:30 p.m.-9:27 p.m.

1 stop13h 57m

Kona Intl

Sun 22/3

9:55 p.m.-12:26 a.m.

1 stop20h 31m

C$ 486

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Thu 4/12

1:30 p.m.-10:28 p.m.

1 stop13h 58m

Kona Intl

Fri 12/12

10:55 p.m.-12:26 a.m.

1 stop20h 31m

C$ 486

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Fri 6/3

7:45 a.m.-9:47 p.m.

1 stop19h 02m

Kona Intl

Sun 22/3

9:55 p.m.-12:26 a.m.

1 stop20h 31m

C$ 486

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Thu 12/3

10:15 p.m.-8:47 p.m.

1 stop28h 32m

Kona Intl

Wed 18/3

9:55 p.m.-11:11 p.m.

1 stop19h 16m

C$ 486

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Thu 4/12

10:30 a.m.-10:28 p.m.

1 stop16h 58m

Kona Intl

Thu 11/12

11:30 p.m.-5:41 p.m.

1 stop13h 11m

C$ 486

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Mon 9/3

6:45 p.m.-9:27 p.m.

1 stop32h 42m

Kona Intl

Sun 22/3

9:55 p.m.-12:26 a.m.

1 stop20h 31m

C$ 486

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 48 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, November is the cheapest month in which you can book a flight from Region of Ontario to Kailua-Kona (average of C$ 320). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of C$ 785). 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 15 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Kailua-Kona as you normally would.

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$ 499, WestJet can have you in Kailua-Kona from Region of Ontario in 24h 19m. There are 7718 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, November is the cheapest month in which you can book a flight from Region of Ontario to Kailua-Kona (average of C$ 320). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of C$ 785). 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.
Vancouver Intl to Honolulu flights
Pearson Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Honolulu flights
Vancouver Intl to Kahului flights
Calgary to Honolulu flights
Vancouver Intl to Kailua-Kona flights
Calgary to Kahului flights
Vancouver Intl to Lihue flights
Edmonton to Honolulu flights
Calgary to Kailua-Kona flights
Pearson Intl to Kahului flights
Pierre Elliott Trudeau Intl to Kahului flights
Ottawa to Honolulu flights
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Hamilton to Honolulu flights
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Pearson Intl to Lihue flights
Pierre Elliott Trudeau Intl to Lihue flights
Saskatoon to Honolulu flights
Victoria to Honolulu flights
Edmonton to Kailua-Kona flights
Saskatoon to Kahului flights
Halifax to Honolulu flights
Kelowna to Honolulu flights
Pearson Intl to Hilo flights
Winnipeg to Kahului flights
Hamilton to Kahului flights
Pierre Elliott Trudeau Intl to Kailua-Kona flights
Calgary to Lihue flights
Ottawa to Kahului flights
Nanaimo to Honolulu flights
Kelowna to Kahului flights
Québec City to Kahului flights
Charlottetown to Kahului flights
St. John's to Honolulu flights
Vancouver Intl to Hilo flights
Edmonton to Lihue flights
Ottawa to Lihue flights
Moncton to Honolulu flights
Regina to Honolulu flights
Winnipeg to Kailua-Kona flights
Toronto Island to Kahului flights
Kelowna to Kailua-Kona flights
Victoria to Kailua-Kona flights

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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 493AverageC$ 806FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 544AverageC$ 1,059FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 573AverageC$ 959FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 1,102AverageC$ 1,135FlexibilityNo 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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