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Kailua-Kona

$204+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KOA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$318
(Trip.com)

One-way from

$204
(FlightHub)

Popular in

July

Cheapest in

November

Average price

$923
From Ontario to Kona Intl
Search Deals
One-way flight from Ontario to Kona Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($156 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2410:20 pmYYZ - KOA
2 stops52h 08mWestJet
Sat 11/111:35 pmKOA - YYZ
2 stops25h 15mWestJet
Deal found 6/10$318
This United Airlines deal was found by Cheapflights users on 6/9. 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 9/129:44 amYYZ - KOA
2 stops15h 40mUnited Airlines
Wed 9/171:30 pmKOA - YYZ
2 stops16h 14mUnited Airlines
Deal found 6/9$345
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/104:05 pmYUL - KOA
2 stops25h 41mAir Canada
Wed 9/2411:00 pmKOA - YUL
1 stop15h 05mAir Canada
Deal found 6/11$450
This Air Canada deal was found by Cheapflights users on 6/10. 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 10/237:00 pmYYZ - KOA
1 stop22h 26mAir Canada
Fri 10/311:25 pmKOA - YYZ
2 stops28h 12mAir Canada
Deal found 6/10$454
This Delta deal was found by Cheapflights users on 6/9. 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 10/76:00 amYYZ - KOA
2 stops18h 40mDelta
Tue 11/119:40 pmKOA - YYZ
2 stops20h 18mDelta
Deal found 6/9$489
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/203:41 pmYUL - KOA
2 stops26h 05mUnited Airlines
Tue 9/301:40 pmKOA - YUL
2 stops15h 00mUnited Airlines
Deal found 6/10$490
This Expedia deal was found by Cheapflights users on 6/10. 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.
Sun 11/29:30 amYYZ - KOA
2 stops16h 58mMultiple Airlines
Sat 11/87:50 pmKOA - YYZ
2 stops14h 45mMultiple Airlines
Deal found 6/10$522
This CheapTicketsDeal deal was found by Cheapflights users on 6/10. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/74:45 pmYYZ - KOA
1 stop34h 55mHawaiian Airlines
Tue 11/119:40 pmKOA - YYZ
1 stop12h 55mHawaiian Airlines
Deal found 6/10$715
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/116:29 pmYYZ - KOA
2 stops23h 53mAmerican Airlines
Sat 10/251:52 pmKOA - YYZ
2 stops16h 38mAmerican Airlines
Deal found 6/10$738
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:25 amYUL - KOA
3 stops19h 02mAmerican Airlines
Wed 9/243:13 pmKOA - YUL
2 stops19h 17mAmerican Airlines
Deal found 6/11$946
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/265:50 pmYOW - KOA
2 stops27h 29mUnited Airlines
Sat 8/27:40 pmKOA - YOW
2 stops15h 26mUnited Airlines
Deal found 6/11$984
This FlightHub deal was found by Cheapflights users on 6/11. 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 12/203:55 pmYOW - KOA
1 stop34h 33mWestJet
Sun 12/2810:30 pmKOA - YOW
2 stops26h 03mWestJet
Deal found 6/11$1,098

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 June 12, 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

Fri 10/24

10:20 pm-8:28 pm

2 stops52h 08m

Kona Intl

Sat 11/1

11:35 pm-5:50 am

2 stops25h 15m

$318

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Fri 9/12

9:44 am-7:24 pm

2 stops15h 40m

Kona Intl

Wed 9/17

1:30 pm-11:44 am

2 stops16h 14m

$345

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Wed 9/10

4:05 pm-11:46 am

2 stops25h 41m

Kona Intl

Wed 9/24

1:30 pm-1:54 pm

2 stops18h 24m

$450

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Thu 10/23

7:00 pm-11:26 am

1 stop22h 26m

Kona Intl

Fri 10/31

1:25 pm-11:37 pm

2 stops28h 12m

$454

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 10/7

6:00 am-6:40 pm

2 stops18h 40m

Kona Intl

Tue 11/11

9:40 pm-10:58 pm

2 stops20h 18m

$489

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Sat 9/20

3:41 pm-11:46 am

2 stops26h 05m

Kona Intl

Tue 9/30

1:40 pm-10:40 am

2 stops15h 00m

$490

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sun 11/2

9:30 am-9:28 pm

2 stops16h 58m

Kona Intl

Sat 11/8

7:50 pm-3:35 pm

2 stops14h 45m

$522

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 10/7

4:45 pm-9:40 pm

1 stop34h 55m

Kona Intl

Tue 11/11

9:40 pm-3:35 pm

1 stop12h 55m

$715

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sat 10/11

6:29 pm-12:22 pm

2 stops23h 53m

Kona Intl

Sat 10/25

1:52 pm-12:30 pm

2 stops16h 38m

$738

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Wed 9/10

7:25 am-8:27 pm

3 stops19h 02m

Kona Intl

Wed 9/24

3:13 pm-4:30 pm

2 stops19h 17m

$946

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 20 results
1
2

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, October is the cheapest month in which you can book a flight from Region of Ontario to Kailua-Kona (average of $409). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of $624). 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 June 12, 2025.

When flying from Region of Ontario to Kailua-Kona, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Kailua-Kona by month

Plan your trip to Kailua-Kona by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kailua-Kona ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Kailua-Kona when rainfall is around 1.6 in.

Temperature in Kailua-Kona by month

Plan your trip to Kailua-Kona by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kailua-Kona, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

Reviews of airlines servicing Kailua-Kona

Get insights into the airlines that provide service to Kailua-Kona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kailua-Kona. Reviews last updated June 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Ontario to Kailua-Kona have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Region of Ontario to Kailua-Kona one-way?

    The cheapest airlines for a one-way flight from Region of Ontario to Kailua-Kona are WestJet ($204), Delta ($370), and United Airlines ($389).

  • 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, October is the cheapest month in which you can book a flight from Region of Ontario to Kailua-Kona (average of $409). Flying from Region of Ontario to Kailua-Kona in June is currently the most expensive (average of $624). 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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Pearson Intl to Honolulu flights
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Vancouver Intl to Hilo flights
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Pearson Intl to Hilo flights
Victoria to Honolulu flights
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Edmonton to Hilo flights
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Halifax to Kahului flights

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$514Average$857FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$639Average$702FlexibilityNo cancel feeOn-time67%

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