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Cheap flights from Ontario to Kailua-Kona from C$ 348

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KOA
21 Apr — 28 Apr1
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 22 March 2026.

Thu 9/46:10 a.m.
YUL
-
KOA
2 stops19h 32m
United Airlines
Wed 15/41:05 p.m.
KOA
-
YUL
2 stops15h 35m
United Airlines
Deal found 19/3C$ 672
Thu 16/46:00 a.m.
YUL
-
KOA
2 stops19h 42m
United Airlines
Mon 20/47:30 p.m.
KOA
-
YUL
2 stops14h 40m
United Airlines
Deal found 17/3C$ 674
Mon 13/47:43 p.m.
YYZ
-
KOA
2 stops21h 57m
United Airlines
Thu 16/410:48 p.m.
KOA
-
YYZ
1 stop11h 26m
United Airlines
Deal found 19/3C$ 675
Wed 8/45:00 p.m.
YUL
-
KOA
2 stops25h 45m
United Airlines
Fri 17/41:05 p.m.
KOA
-
YUL
2 stops15h 35m
United Airlines
Deal found 22/3C$ 676
Tue 28/46:00 a.m.
YUL
-
KOA
2 stops19h 03m
Delta
Thu 7/59:55 p.m.
KOA
-
YUL
2 stops19h 46m
Delta
Deal found 19/3C$ 686
Thu 16/46:00 p.m.
YUL
-
KOA
1 stop22h 47m
Air Canada
Mon 20/42:02 p.m.
KOA
-
YUL
2 stops15h 49m
Air Canada
Deal found 19/3C$ 689
Tue 28/46:00 p.m.
YUL
-
KOA
1 stop22h 47m
Air Canada
Thu 7/511:04 p.m.
KOA
-
YUL
2 stops30h 56m
Air Canada
Deal found 19/3C$ 691
Sat 18/410:45 a.m.
YYZ
-
KOA
2 stops15h 27m
United Airlines
Sat 25/410:48 p.m.
KOA
-
YYZ
1 stop11h 26m
United Airlines
Deal found 19/3C$ 734
Thu 16/49:00 p.m.
YYZ
-
KOA
2 stops20h 50m
United Airlines
Sun 19/47:30 p.m.
KOA
-
YYZ
1 stop20h 02m
United Airlines
Deal found 21/3C$ 752
Fri 17/79:00 a.m.
YOW
-
KOA
2 stops16h 47m
Air Canada
Sat 25/710:50 p.m.
KOA
-
YOW
2 stops16h 25m
Air Canada
Deal found 19/3C$ 756
Tue 28/48:15 a.m.
YYZ
-
KOA
2 stops17h 27m
Air Canada
Wed 6/51:15 p.m.
KOA
-
YYZ
2 stops17h 20m
Air Canada
Deal found 19/3C$ 761
Mon 13/46:55 p.m.
YYZ
-
KOA
1 stop22h 45m
Air Canada
Thu 16/410:48 p.m.
KOA
-
YYZ
1 stop11h 26m
Air Canada
Deal found 17/3C$ 763

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 22 March 2026.

Round-trip from

C$ 672

One-way from

C$ 348

Popular in

August

Cheapest in

January

Average price

C$ 881
United Airlines
  • United Airlines
  • 9/4-15/4
  • 4 total stops
  • 35h 07m total
  • Ontario to Kailua-Kona
Search Deals
Air Canada
  • Air Canada
  • 25/4
  • 1 total stop
  • 20h 22m total
  • Ontario to Kailua-Kona
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 156 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 22 March 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 - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

6:10 a.m.-7:42 p.m.

2 stops19h 32m

Kona Intl

Wed 15/4

1:05 p.m.-10:40 a.m.

2 stops15h 35m

C$ 672

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

6:00 a.m.-7:42 p.m.

2 stops19h 42m

Kona Intl

Mon 20/4

7:30 p.m.-4:10 p.m.

2 stops14h 40m

C$ 674

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 28/4

8:50 a.m.-7:42 p.m.

2 stops16h 52m

Kona Intl

Wed 6/5

1:15 p.m.-5:56 p.m.

2 stops22h 41m

C$ 675

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Mon 13/4

7:43 p.m.-11:40 a.m.

2 stops21h 57m

Kona Intl

Thu 16/4

10:48 p.m.-4:14 p.m.

1 stop11h 26m

C$ 675

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Fri 17/7

9:00 a.m.-7:47 p.m.

2 stops16h 47m

Kona Intl

Sat 25/7

10:50 p.m.-9:15 p.m.

2 stops16h 25m

C$ 756

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 15/9

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

2 stops16h 45m

Kona Intl

Thu 24/9

1:10 p.m.-9:54 a.m.

2 stops14h 44m

C$ 772

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Wed 16/9

7:00 a.m.-7:35 p.m.

2 stops18h 35m

Kona Intl

Tue 29/9

8:00 p.m.-3:46 p.m.

2 stops13h 46m

C$ 772
Quickest round-trip

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 15/9

9:44 a.m.-7:35 p.m.

2 stops15h 51m

Kona Intl

Tue 22/9

10:50 p.m.-4:14 p.m.

1 stop11h 24m

C$ 772

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Mon 13/4

5:00 a.m.-3:30 p.m.

2 stops16h 30m

Kona Intl

Thu 16/4

10:48 p.m.-9:16 p.m.

2 stops16h 28m

C$ 785

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

3:25 p.m.-11:46 a.m.

2 stops26h 21m

Kona Intl

Tue 22/9

11:58 a.m.-8:16 a.m.

1 stop14h 18m

C$ 812

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Showing 1-10 of 50 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$ 296). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of C$ 827). 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$ 756, United Airlines can have you in Kailua-Kona from Region of Ontario in 16h 47m. 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 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$ 296). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of C$ 827). 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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Edmonton to Lihue flights
Toronto Island to Kahului flights
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Region of Waterloo Intl to Kahului flights
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Edmonton to Hilo flights
Terrace to Honolulu flights
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Winnipeg to Lihue flights
Kelowna to Hilo flights
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St John to Honolulu flights
Halifax to Honolulu flights
Victoria to Kailua-Kona 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 22 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 302AverageC$ 618FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 507AverageC$ 899FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 538AverageC$ 857FlexibilityNo cancel feeOn-time69%
Search United 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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