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Kailua-Kona

$221+ Cheap flights from Ontario to Kailua-Kona (KOA)

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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KOA
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:20 pm
YYZ
-
KOA
2 stops33h 27m
WestJet
Sun 3/89:55 pm
KOA
-
YYZ
1 stop17h 16m
WestJet
Deal found 1/27$382
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/236:30 pm
YYZ
-
KOA
2 stops32h 57m
WestJet
Tue 3/311:30 pm
KOA
-
YYZ
1 stop25h 40m
WestJet
Deal found 1/26$388
This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:45 pm
YOW
-
KOA
2 stops57h 42m
WestJet
Tue 3/311:30 pm
KOA
-
YOW
2 stops44h 10m
WestJet
Deal found 1/27$398
This FlightHub deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/2810:15 pm
YYZ
-
KOA
2 stops28h 32m
WestJet
Sat 3/711:30 pm
KOA
-
YYZ
2 stops30h 58m
WestJet
Deal found 1/29$401
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:30 pm
YUL
-
KOA
2 stops55h 57m
WestJet
Tue 3/1010:30 pm
KOA
-
YUL
2 stops26h 35m
WestJet
Deal found 1/28$417
This FlightHub deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/510:00 am
YYZ
-
KOA
1 stop16h 47m
WestJet
Sat 4/1810:30 pm
KOA
-
YYZ
1 stop19h 25m
WestJet
Deal found 1/28$427
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:48 pm
YOW
-
KOA
2 stops24h 05m
United Airlines
Wed 3/48:55 pm
KOA
-
YOW
2 stops14h 35m
United Airlines
Deal found 1/26$499
This Air Canada deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:11 pm
YOW
-
KOA
2 stops24h 42m
Air Canada
Wed 3/42:00 pm
KOA
-
YOW
1 stop20h 45m
Air Canada
Deal found 1/26$501
This Air Canada deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/29:30 pm
YUL
-
KOA
2 stops28h 20m
Air Canada
Sat 5/911:04 pm
KOA
-
YUL
2 stops13h 55m
Air Canada
Deal found 1/27$522
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/214:45 pm
YUL
-
KOA
2 stops25h 08m
United Airlines
Fri 2/278:55 pm
KOA
-
YUL
2 stops19h 47m
United Airlines
Deal found 1/27$561
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:45 pm
YUL
-
KOA
2 stops24h 05m
United Airlines
Tue 9/2912:08 pm
KOA
-
YUL
1 stop14h 07m
United Airlines
Deal found 1/27$569
This Air Canada deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:10 am
YUL
-
KOA
1 stop17h 20m
Air Canada
Fri 9/2510:55 pm
KOA
-
YUL
1 stop14h 52m
Air Canada
Deal found 1/27$571

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$382
(oojo)

One-way from

$221
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$554
Provider with most accurate pricing for Toronto (YTO)-Kona Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Kona Intl flights.
Search Deals
From Ontario to Kona Intl
Search Deals
One-way flight from Ontario to Kona Intl
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($175 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($22 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 2,558,603 searches. Data last updated January 29, 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 2/26

9:40 am-9:47 pm

2 stops41h 07m

Kona Intl

Sun 3/8

9:55 pm-11:11 pm

1 stop19h 16m

$383

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Mon 2/23

6:30 pm-10:27 pm

2 stops32h 57m

Kona Intl

Tue 3/3

11:30 pm-11:11 pm

2 stops18h 41m

$389

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Tue 2/24

5:45 pm-10:27 pm

2 stops57h 42m

Kona Intl

Tue 3/3

11:30 pm-12:40 am

2 stops44h 10m

$398

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sat 2/28

10:15 pm-9:47 pm

2 stops28h 32m

Kona Intl

Sat 3/7

11:30 pm-12:28 pm

2 stops30h 58m

$401

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

7:30 pm-10:27 pm

2 stops55h 57m

Kona Intl

Tue 3/10

10:30 pm-7:05 am

2 stops26h 35m

$418

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sat 4/4

5:15 pm-8:47 pm

1 stop33h 32m

Kona Intl

Sat 4/18

10:30 pm-11:55 pm

1 stop19h 25m

$433

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sat 2/28

9:30 am-8:51 pm

2 stops16h 21m

Kona Intl

Sun 3/8

10:55 pm-4:52 pm

1 stop11h 57m

$447

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 3/3

8:45 am-8:51 pm

2 stops17h 06m

Kona Intl

Wed 3/4

2:08 pm-9:58 am

2 stops14h 50m

$447

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 4/7

5:20 pm-8:47 pm

2 stops33h 27m

Kona Intl

Sat 4/18

10:30 pm-11:55 pm

1 stop19h 25m

$447

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Mon 3/2

5:48 pm-12:53 pm

2 stops24h 05m

Kona Intl

Wed 3/4

8:55 pm-4:30 pm

2 stops14h 35m

$499

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

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 $237). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of $637). 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?

    Located just 7.7 mi from the city center, Kona Intl (KOA) is the airport most travelers will use when flying to Kailua-Kona from Ontario.

  • How long is the flight from Region of Ontario to Kailua-Kona?

    There are many flights that can get you from Region of Ontario to Kailua-Kona in 24h 05m. Fly via WestJet, United Airlines, or Air Canada to get the fastest option. Region of Ontario and Kailua-Kona are separated by a distance of 4796 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Region of Ontario to Kailua-Kona?

    Most travelers choose Toronto Pearson Intl - Kona Intl, Montreal Pierre Elliott Trudeau Intl - Kona Intl or Ottawa - Kona Intl when deciding on the best 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 $237). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of $637). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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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Top 2 airlines flying from Ontario to Kailua-Kona

Discover the top 2 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 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$342Average$636FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$354Average$745FlexibilityNo cancel feeOn-time67%

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