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Kailua-Kona

$336+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KOA
Sep 6 — Sep 131
Sun 9/6
Sun 9/13
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 August 7, 2026.

This Delta deal was found by Cheapflights users on 8/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:00 am -
2 stops18h 15m
Mon 9/1410:10 pm -
2 stops19h 34m
Deal found 8/6$573
This FlightHub deal was found by Cheapflights users on 8/7. 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.
Wed 10/2810:50 pm -
2 stops28h 38m
Thu 11/511:30 pm -
1 stop12h 10m
Deal found 8/7$574
This WestJet deal was found by Cheapflights users on 8/2. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:00 am -
2 stops17h 54m
Tue 12/811:30 pm -
1 stop16h 25m
Deal found 8/2$595
This WestJet deal was found by Cheapflights users on 8/2. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:00 pm -
1 stop30h 54m
Fri 11/2710:55 pm -
1 stop34h 17m
Deal found 8/2$596
This United Airlines deal was found by Cheapflights users on 8/2. 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 10/209:15 am -
2 stops18h 12m
Fri 11/68:25 pm -
2 stops18h 23m
Deal found 8/2$601
This United Airlines deal was found by Cheapflights users on 8/3. 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 9/1611:00 am -
2 stops14h 35m
Mon 9/218:00 pm -
2 stops13h 46m
Deal found 8/3$601
This WestJet deal was found by Cheapflights users on 8/3. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:45 am -
2 stops19h 09m
Wed 12/910:55 pm -
1 stop34h 17m
Deal found 8/3$603
This United Airlines deal was found by Cheapflights users on 8/3. 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 10/239:45 am -
2 stops17h 42m
Fri 11/1311:59 pm -
2 stops14h 49m
Deal found 8/3$604
This Mytrip deal was found by Cheapflights users on 8/5. 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.
Sun 10/258:00 am -
2 stops18h 54m
Sat 10/3111:30 pm -
2 stops24h 43m
Deal found 8/5$606
This WestJet deal was found by Cheapflights users on 8/2. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:20 pm -
2 stops55h 34m
Sun 11/2210:55 pm -
2 stops20h 38m
Deal found 8/2$612
This FlightHub deal was found by Cheapflights users on 8/5. 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 10/254:15 pm -
2 stops59h 13m
Sun 11/2210:55 pm -
1 stop34h 17m
Deal found 8/5$620
This FlightHub deal was found by Cheapflights users on 8/4. 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.
Mon 11/2310:50 pm -
2 stops27h 38m
Wed 12/210:55 pm -
2 stops18h 48m
Deal found 8/4$620

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 August 7, 2026.

Round-trip from

$565
(Air Canada)

One-way from

$336
(Delta)

Popular in

August

Cheapest in

January

Average price

$1,134
From Ontario to Kona Intl
Search Deals
One-way flight from Ontario to Kona Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($144 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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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 August 7, 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

TorontoKailua-Kona

YYZ Toronto Pearson Intl - KOA Kona Intl

YYZKOA

Toronto Pearson Intl

Thu 9/17

8:50 am-7:35 pm

2 stops16h 45m

Kona Intl

Thu 9/24

1:08 pm-9:54 am

2 stops14h 46m

$601

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 10/20

9:45 am-9:27 pm

2 stops17h 42m

Kona Intl

Fri 11/13

11:59 pm-7:48 pm

2 stops14h 49m

$604

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Sun 12/6

7:10 am-6:45 pm

2 stops16h 35m

Kona Intl

Wed 12/9

9:40 pm-5:29 pm

2 stops14h 49m

$652

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Thu 10/22

9:45 am-9:27 pm

2 stops17h 42m

Kona Intl

Wed 11/11

2:14 pm-2:00 pm

2 stops18h 46m

$661

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Wed 10/21

9:45 am-9:27 pm

2 stops17h 42m

Kona Intl

Fri 11/20

8:25 pm-9:42 pm

2 stops20h 17m

$661

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Thu 10/22

9:15 am-9:27 pm

2 stops18h 12m

Kona Intl

Thu 11/12

8:25 pm-9:42 pm

2 stops20h 17m

$661

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Fri 10/16

9:45 am-11:46 am

2 stops32h 01m

Kona Intl

Mon 11/9

11:59 pm-7:48 pm

2 stops14h 49m

$675

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Wed 10/21

11:23 am-9:27 pm

2 stops16h 04m

Kona Intl

Wed 11/18

1:04 pm-1:28 pm

2 stops19h 24m

$679

MontrealKailua-Kona

YUL Montreal Pierre Elliott Trudeau Intl - KOA Kona Intl

YULKOA

Montreal Pierre Elliott Trudeau Intl

Wed 10/21

9:15 am-9:27 pm

2 stops18h 12m

Kona Intl

Sun 11/22

8:25 pm-7:48 pm

2 stops18h 23m

$679

TorontoKailua-Kona

YYZ Toronto Pearson Intl - KOA Kona Intl

YYZKOA

Toronto Pearson Intl

Mon 1/4

8:35 am-9:15 pm

2 stops17h 40m

Kona Intl

Thu 1/21

8:25 pm-3:12 pm

1 stop13h 47m

$679

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 42 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 $427). Flying from Region of Ontario to Kailua-Kona in May is currently the most expensive (average of $1,046). 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 far ahead should I book a flight from Region of Ontario to Kailua-Kona?

The price you pay for your flight from Region of Ontario to Kailua-Kona may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 16h 45m. Fly via Delta, United Airlines, 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 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 $427). Flying from Region of Ontario to Kailua-Kona in May is currently the most expensive (average of $1,046). 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.

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 August 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$342Average$552FlexibilityNo cancel feeOn-time69%
WestJetCheapest$371Average$660FlexibilityNo cancel feeOn-time60%

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