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Kailua-Kona

$178+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KOA
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This oojo deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:30 pmYYZ - KOA
2 stops32h 58mWestJet
Thu 1/89:30 pmKOA - YYZ
2 stops21h 09mWestJet
Deal found 12/16$728
This Expedia deal was found by Cheapflights users on 12/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:35 amYYZ - KOA
1 stop14h 16mMultiple Airlines
Thu 1/89:30 pmKOA - YYZ
1 stop15h 11mMultiple Airlines
Deal found 12/16$741
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/316:50 amYYZ - KOA
2 stops14h 51mUnited Airlines
Wed 1/78:55 pmKOA - YYZ
2 stops17h 50mUnited Airlines
Deal found 12/16$854
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/255:25 pmYUL - KOA
2 stops26h 34mUnited Airlines
Mon 1/52:23 pmKOA - YUL
2 stops25h 54mUnited Airlines
Deal found 12/15$1,311
This oojo deal was found by Cheapflights users on 12/16. 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.
Sat 12/2010:15 pmYYZ - KOA
1 stop28h 39mWestJet
Thu 1/111:30 pmKOA - YYZ
2 stops19h 08mWestJet
Deal found 12/16$1,313
This Air Canada deal was found by Cheapflights users on 12/15. 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.
Thu 12/189:00 pmYUL - KOA
1 stop20h 44mAir Canada
Sat 12/2711:59 pmKOA - YUL
2 stops16h 01mAir Canada
Deal found 12/15$1,336
This FlightHub deal was found by Cheapflights users on 12/16. 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.
Thu 12/186:45 amYUL - KOA
2 stops44h 09mWestJet
Sat 12/2711:30 pmKOA - YUL
2 stops34h 42mWestJet
Deal found 12/16$1,351
This United Airlines deal was found by Cheapflights users on 12/15. 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.
Thu 12/186:00 amYUL - KOA
2 stops15h 41mUnited Airlines
Sat 12/2711:20 pmKOA - YUL
2 stops15h 28mUnited Airlines
Deal found 12/15$1,353
This Air Canada deal was found by Cheapflights users on 12/15. 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.
Thu 12/256:15 pmYUL - KOA
1 stop23h 29mAir Canada
Mon 1/52:23 pmKOA - YUL
2 stops25h 54mAir Canada
Deal found 12/15$1,371
This Air Canada deal was found by Cheapflights users on 12/16. 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 12/266:15 amYOW - KOA
2 stops19h 55mAir Canada
Mon 1/52:23 pmKOA - YOW
2 stops25h 55mAir Canada
Deal found 12/16$1,441
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/263:10 pmYOW - KOA
2 stops25h 14mUnited Airlines
Mon 1/58:30 pmKOA - YOW
2 stops19h 48mUnited Airlines
Deal found 12/17$1,483

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$304
(oojo)

One-way from

$178
(oojo)

Popular in

June

Cheapest in

November

Average price

$546
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. 19% potential increase in price ($159 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 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

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Wed 5/27

10:05 am-8:02 pm

2 stops15h 57m

Kona Intl

Tue 6/2

12:00 pm-6:45 am

1 stop12h 45m

$332

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sat 5/30

7:30 am-8:02 pm

2 stops18h 32m

Kona Intl

Tue 6/2

12:00 pm-6:45 am

1 stop12h 45m

$332

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Fri 5/29

8:50 am-8:02 pm

2 stops17h 12m

Kona Intl

Tue 6/2

10:15 pm-8:44 pm

2 stops16h 29m

$332

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 5/26

11:00 am-8:02 pm

2 stops15h 02m

Kona Intl

Tue 6/2

10:15 pm-8:44 pm

2 stops16h 29m

$332

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Thu 5/28

11:00 am-8:02 pm

2 stops15h 02m

Kona Intl

Tue 6/2

12:00 pm-6:45 am

1 stop12h 45m

$332

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Sat 4/11

9:05 pm-12:57 pm

2 stops21h 52m

Kona Intl

Wed 4/22

2:25 pm-7:12 pm

1 stop22h 47m

$344

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Sat 1/31

6:00 am-8:28 pm

2 stops19h 28m

Kona Intl

Wed 2/4

10:55 pm-4:53 pm

1 stop12h 58m

$353

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Wed 1/21

7:30 pm-8:28 pm

2 stops29h 58m

Kona Intl

Thu 1/29

9:30 pm-7:05 am

2 stops28h 35m

$358

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 1/20

7:30 pm-8:28 pm

2 stops53h 58m

Kona Intl

Thu 1/29

9:30 pm-7:05 am

2 stops28h 35m

$358

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Sat 1/31

5:35 pm-12:44 pm

2 stops24h 09m

Kona Intl

Wed 2/4

2:00 pm-3:45 pm

1 stop20h 45m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 43 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 $286). 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.

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 December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 41% on flights from Region of Ontario to Kailua-Kona by exploring options for tickets in the afternoon.

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 15h 57m. Fly via United Airlines, Air Canada, or WestJet to get the fastest option. Region of Ontario and Kailua-Kona are separated by a distance of 4616 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 Montreal Pierre Elliott Trudeau Intl - Kona Intl, Toronto Pearson 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 $286). 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

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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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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$508Average$664FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$639Average$744FlexibilityNo cancel feeOn-time67%

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