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Cheap flights from Ontario to Kailua-Kona from C$ 300

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KOA
28 Feb — 7 Mar1
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 29 January 2026.

Thu 26/25:20 p.m.
YYZ
-
KOA
2 stops33h 27m
WestJet
Sun 8/39:55 p.m.
KOA
-
YYZ
1 stop17h 16m
WestJet
Deal found 27/1C$ 519
Mon 23/26:30 p.m.
YYZ
-
KOA
2 stops32h 57m
WestJet
Tue 3/311:30 p.m.
KOA
-
YYZ
1 stop25h 40m
WestJet
Deal found 26/1C$ 527
Tue 24/25:45 p.m.
YOW
-
KOA
2 stops57h 42m
WestJet
Tue 3/311:30 p.m.
KOA
-
YOW
2 stops44h 10m
WestJet
Deal found 27/1C$ 540
Tue 24/27:30 p.m.
YUL
-
KOA
2 stops55h 57m
WestJet
Tue 10/310:30 p.m.
KOA
-
YUL
2 stops26h 35m
WestJet
Deal found 28/1C$ 566
Sun 5/410:00 a.m.
YYZ
-
KOA
1 stop16h 47m
WestJet
Sat 18/410:30 p.m.
KOA
-
YYZ
1 stop19h 25m
WestJet
Deal found 28/1C$ 580
Sat 4/45:15 p.m.
YYZ
-
KOA
1 stop33h 32m
WestJet
Sat 18/410:30 p.m.
KOA
-
YYZ
1 stop19h 25m
WestJet
Deal found 28/1C$ 588
Wed 8/46:30 a.m.
YYZ
-
KOA
1 stop20h 17m
WestJet
Sat 18/410:30 p.m.
KOA
-
YYZ
2 stops25h 28m
WestJet
Deal found 28/1C$ 593
Mon 2/35:48 p.m.
YOW
-
KOA
2 stops24h 05m
United Airlines
Wed 4/38:55 p.m.
KOA
-
YOW
2 stops14h 35m
United Airlines
Deal found 26/1C$ 677
Mon 2/35:11 p.m.
YOW
-
KOA
2 stops24h 42m
Air Canada
Wed 4/32:00 p.m.
KOA
-
YOW
1 stop20h 45m
Air Canada
Deal found 26/1C$ 680
Sat 2/59:30 p.m.
YUL
-
KOA
2 stops28h 20m
Air Canada
Sat 9/511:04 p.m.
KOA
-
YUL
2 stops13h 55m
Air Canada
Deal found 27/1C$ 709
Sat 21/24:45 p.m.
YUL
-
KOA
2 stops25h 08m
United Airlines
Fri 27/28:55 p.m.
KOA
-
YUL
2 stops19h 47m
United Airlines
Deal found 27/1C$ 762
Tue 15/94:45 p.m.
YUL
-
KOA
2 stops24h 05m
United Airlines
Mon 28/91:10 p.m.
KOA
-
YUL
2 stops15h 01m
United Airlines
Deal found 27/1C$ 772

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 29 January 2026.

Round-trip from

C$ 519

One-way from

C$ 300

Popular in

June

Cheapest in

November

Average price

C$ 752
WestJet
  • WestJet
  • 26/2-8/3
  • 3 total stops
  • 50h 43m total
  • Ontario to Kailua-Kona
Search Deals
WestJet
  • WestJet
  • 15/4
  • 1 total stop
  • 29h 12m total
  • Ontario to Kailua-Kona
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 321 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 29 January 2026.
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

Thu 26/2

5:20 p.m.-9:47 p.m.

2 stops33h 27m

Kona Intl

Sun 8/3

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

1 stop17h 16m

C$ 519

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Mon 23/2

6:30 p.m.-10:27 p.m.

2 stops32h 57m

Kona Intl

Tue 3/3

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

2 stops18h 41m

C$ 528

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Tue 24/2

5:45 p.m.-10:27 p.m.

2 stops57h 42m

Kona Intl

Tue 3/3

11:30 p.m.-12:40 a.m.

2 stops44h 10m

C$ 540

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 24/2

7:30 p.m.-10:27 p.m.

2 stops55h 57m

Kona Intl

Tue 10/3

10:30 p.m.-7:05 a.m.

2 stops26h 35m

C$ 566

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sat 28/2

9:30 a.m.-8:51 p.m.

2 stops16h 21m

Kona Intl

Sun 8/3

10:55 p.m.-4:52 p.m.

1 stop11h 57m

C$ 607

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 3/3

8:45 a.m.-8:51 p.m.

2 stops17h 06m

Kona Intl

Wed 4/3

2:08 p.m.-9:58 a.m.

2 stops14h 50m

C$ 607

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 7/4

5:20 p.m.-8:47 p.m.

2 stops33h 27m

Kona Intl

Sat 18/4

10:30 p.m.-11:55 p.m.

1 stop19h 25m

C$ 607

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sat 28/2

10:15 p.m.-9:47 p.m.

1 stop28h 32m

Kona Intl

Sun 8/3

1:00 p.m.-1:05 p.m.

1 stop18h 05m

C$ 615

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sat 4/4

5:15 p.m.-8:47 p.m.

1 stop33h 32m

Kona Intl

Sat 18/4

10:30 p.m.-5:58 a.m.

2 stops25h 28m

C$ 658

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Mon 2/3

5:48 p.m.-12:53 p.m.

2 stops24h 05m

Kona Intl

Wed 4/3

8:55 p.m.-4:30 p.m.

2 stops14h 35m

C$ 677

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/1

Showing 1-10 of 29 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$ 322). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of C$ 865). 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.

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$ 607, WestJet can have you in Kailua-Kona from Region of Ontario in 16h 21m. 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$ 322). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of C$ 865). 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
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Kelowna to Kahului flights
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Winnipeg to Kahului flights
Kelowna to Honolulu flights
Nanaimo to Kahului flights
Region of Waterloo Intl to Kahului flights
Regina to Kahului flights
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Prince George to Honolulu flights
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Regina to Honolulu flights
Vancouver Intl to Hilo flights
Edmonton to Lihue flights
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Victoria to Lihue 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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 303AverageC$ 656FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 532AverageC$ 859FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 534AverageC$ 1,049FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 1,083AverageC$ 1,407FlexibilityNo 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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