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Cheap flights from Ontario to Kailua-Kona from C$ 395

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 17/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KOA
17 Jul — 24 Jul1
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 17 June 2026.

Fri 30/104:15 p.m.
YUL
-
KOA
2 stops35h 13m
WestJet
Sat 7/1111:30 p.m.
KOA
-
YUL
2 stops20h 03m
WestJet
Deal found 12/6C$ 710
Mon 16/115:45 p.m.
YOW
-
KOA
2 stops32h 43m
WestJet
Tue 24/1111:30 p.m.
KOA
-
YOW
2 stops19h 15m
WestJet
Deal found 15/6C$ 710
Mon 16/116:30 p.m.
YYZ
-
KOA
2 stops31h 58m
WestJet
Tue 24/1111:30 p.m.
KOA
-
YYZ
2 stops17h 43m
WestJet
Deal found 15/6C$ 710
Tue 17/115:40 a.m.
YOW
-
KOA
2 stops44h 14m
WestJet
Tue 24/1111:30 p.m.
KOA
-
YOW
2 stops19h 15m
WestJet
Deal found 15/6C$ 722
Thu 29/104:15 p.m.
YUL
-
KOA
1 stop34h 39m
WestJet
Sat 7/1111:30 p.m.
KOA
-
YUL
2 stops33h 42m
WestJet
Deal found 12/6C$ 724
Thu 29/104:15 p.m.
YUL
-
KOA
1 stop34h 39m
WestJet
Sun 8/1110:55 p.m.
KOA
-
YUL
1 stop34h 17m
WestJet
Deal found 12/6C$ 727
Sat 31/106:45 a.m.
YUL
-
KOA
2 stops20h 43m
WestJet
Sun 8/1110:55 p.m.
KOA
-
YUL
1 stop34h 17m
WestJet
Deal found 12/6C$ 748
Thu 29/106:45 a.m.
YUL
-
KOA
2 stops20h 43m
WestJet
Fri 6/1110:55 p.m.
KOA
-
YUL
2 stops20h 38m
WestJet
Deal found 12/6C$ 755
Mon 26/1010:15 p.m.
YYZ
-
KOA
1 stop29h 13m
WestJet
Thu 29/1010:30 p.m.
KOA
-
YYZ
2 stops16h 43m
WestJet
Deal found 16/6C$ 756
Tue 27/106:45 a.m.
YUL
-
KOA
2 stops20h 43m
WestJet
Thu 29/1010:30 p.m.
KOA
-
YUL
2 stops34h 42m
WestJet
Deal found 15/6C$ 769
Fri 21/89:45 a.m.
YUL
-
KOA
2 stops15h 50m
United Airlines
Tue 25/812:04 p.m.
KOA
-
YUL
1 stop14h 12m
United Airlines
Deal found 11/6C$ 771
Fri 23/109:45 a.m.
YUL
-
KOA
2 stops17h 42m
United Airlines
Sun 22/118:30 p.m.
KOA
-
YUL
2 stops14h 51m
United Airlines
Deal found 14/6C$ 785

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 17 June 2026.

Round-trip from

C$ 710

One-way from

C$ 395

Popular in

June

Cheapest in

January

Average price

C$ 1,599
WestJet
  • WestJet
  • 30/10-7/11
  • 4 total stops
  • 55h 16m total
  • Ontario to Kailua-Kona
Search Deals
WestJet
  • WestJet
  • 16/11
  • 1 total stop
  • 28h 13m total
  • Ontario to Kailua-Kona
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (C$ 545 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 June 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 17 June 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

Tue 27/10

6:45 a.m.-9:28 p.m.

2 stops20h 43m

Kona Intl

Thu 29/10

10:30 p.m.-3:12 p.m.

2 stops34h 42m

C$ 769

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

9:45 a.m.-8:05 p.m.

2 stops16h 20m

Kona Intl

Mon 31/8

2:03 p.m.-8:16 a.m.

1 stop12h 13m

C$ 771

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sun 6/9

10:45 a.m.-7:35 p.m.

2 stops14h 50m

Kona Intl

Fri 11/9

8:00 p.m.-3:14 p.m.

1 stop13h 14m

C$ 806

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 3/11

8:50 a.m.-8:36 p.m.

2 stops16h 46m

Kona Intl

Tue 20/4

10:30 p.m.-4:09 p.m.

1 stop11h 39m

C$ 838

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Mon 16/11

6:30 a.m.-8:36 p.m.

1 stop19h 06m

Kona Intl

Tue 17/11

11:55 p.m.-4:09 p.m.

1 stop11h 14m

C$ 840

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sat 31/10

8:50 a.m.-7:36 p.m.

2 stops16h 46m

Kona Intl

Mon 19/4

10:30 p.m.-4:09 p.m.

1 stop11h 39m

C$ 840

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

3:00 p.m.-4:41 p.m.

2 stops30h 41m

Kona Intl

Tue 10/11

8:30 p.m.-4:21 p.m.

2 stops14h 51m

C$ 850

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Thu 29/10

6:00 a.m.-7:36 p.m.

2 stops19h 36m

Kona Intl

Mon 2/11

2:20 p.m.-10:39 a.m.

2 stops15h 19m

C$ 864

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Fri 11/9

9:45 a.m.-7:35 p.m.

2 stops15h 50m

Kona Intl

Fri 25/9

1:08 p.m.-4:10 p.m.

2 stops21h 02m

C$ 883

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 3/11

8:50 a.m.-8:36 p.m.

2 stops16h 46m

Kona Intl

Thu 15/4

1:10 p.m.-9:55 a.m.

2 stops14h 45m

C$ 899

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 53 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$ 279). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of C$ 1,100). 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 much does it cost to fly round-trip from Region of Ontario to Kailua-Kona?

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 88 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$ 771, WestJet can have you in Kailua-Kona from Region of Ontario in 16h 20m. There are 7865 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$ 279). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of C$ 1,100). 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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Kelowna to Kahului flights
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Ottawa to Kahului flights
Edmonton to Lihue flights
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Victoria to Hilo flights
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Region of Waterloo Intl to Kahului flights
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Halifax to Kahului flights
Québec City to Kahului flights
Regina to Kahului flights
Toronto Island to Kahului flights
Prince George to Honolulu flights
Winnipeg 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 17 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 308AverageC$ 619FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 549AverageC$ 880FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 659AverageC$ 1,159FlexibilityNo 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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