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Kailua-Kona

$286+ 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 27 — Mar 61
Thu 2/27
Thu 3/6
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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$500
(Air Canada)

One-way from

$286
(FlightHub)

Popular in

July

Cheapest in

November

Average price

$678
Provider with most accurate pricing for Toronto (YTO)-Kona Intl flight deals.
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Provider most trusted by Cheapflights users for Toronto (YTO)-Kona Intl flights.
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From Ontario to Kona Intl
Search Deals
One-way flight from Ontario to Kona Intl
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Highest demand for flights based on searches. 15% potential increase in price ($121 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 22, 2025.

This Air Canada deal was found by Cheapflights users on 2/20. 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.
Tue 4/298:25 pmYUL - KOA
2 stops23h 49mAir Canada
Wed 5/711:04 pmKOA - YUL
1 stop15h 01mAir Canada
Deal found 2/20$500
This Gotogate deal was found by Cheapflights users on 2/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/36:30 pmYYZ - KOA
1 stop31h 47mWestJet
Thu 4/1710:35 pmKOA - YYZ
1 stop33h 36mWestJet
Deal found 2/21$511
This FlightHub deal was found by Cheapflights users on 2/21. 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 3/41:30 pmYUL - KOA
2 stops36h 47mWestJet
Mon 3/1010:35 pmKOA - YUL
2 stops31h 55mWestJet
Deal found 2/21$555
This Gotogate deal was found by Cheapflights users on 2/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/286:30 amYYZ - KOA
1 stop13h 54mAir Canada
Sun 4/133:45 pmKOA - YYZ
2 stops18h 35mAir Canada
Deal found 2/21$577
This Delta deal was found by Cheapflights users on 2/21. 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 4/296:10 amYUL - KOA
2 stops18h 32mDelta
Tue 5/69:30 pmKOA - YUL
2 stops20h 28mDelta
Deal found 2/21$583
This United Airlines deal was found by Cheapflights users on 2/21. 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 5/299:00 amYYZ - KOA
2 stops17h 03mUnited Airlines
Thu 6/510:15 pmKOA - YYZ
1 stop11h 05mUnited Airlines
Deal found 2/21$595
This United Airlines deal was found by Cheapflights users on 2/21. 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 4/296:15 amYUL - KOA
2 stops19h 21mUnited Airlines
Wed 5/71:10 pmKOA - YUL
2 stops16h 45mUnited Airlines
Deal found 2/21$598
This United Airlines deal was found by Cheapflights users on 2/20. 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 4/76:00 amYOW - KOA
2 stops15h 35mUnited Airlines
Mon 4/147:35 pmKOA - YOW
2 stops15h 08mUnited Airlines
Deal found 2/20$600
This Flysmarter deal was found by Cheapflights users on 2/21. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2712:30 amYYZ - KOA
2 stops19h 54mMultiple Airlines
Sun 4/137:35 pmKOA - YYZ
2 stops14h 11mMultiple Airlines
Deal found 2/21$647
This Delta deal was found by Cheapflights users on 2/22. 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.
Sun 4/66:30 amYYZ - KOA
2 stops18h 12mDelta
Wed 4/168:20 pmKOA - YYZ
2 stops16h 11mDelta
Deal found 2/22$693
This American Airlines deal was found by Cheapflights users on 2/21. 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.
Fri 10/36:40 pmYYZ - KOA
2 stops23h 33mAmerican Airlines
Sat 10/111:52 pmKOA - YYZ
2 stops15h 13mAmerican Airlines
Deal found 2/21$810
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:20 pmYYZ - KOA
1 stop35h 15mAlaska Airlines
Sat 10/1112:00 pmKOA - YYZ
2 stops21h 05mAlaska Airlines
Deal found 2/21$844

Find flights from Ontario to Kailua-Kona within your budget

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 February 22, 2025.

Fly from

Ontario

Fly to

Kailua-Kona

Route

Depart

Return

Price

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 4/29

8:25 pm-2:14 pm

2 stops23h 49m

Kona Intl

Wed 5/7

11:04 pm-8:05 pm

1 stop15h 01m

$500

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Thu 4/3

6:30 pm-8:17 pm

1 stop31h 47m

Kona Intl

Thu 4/17

10:35 pm-2:11 pm

1 stop33h 36m

$511

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Fri 3/28

7:45 am-8:17 pm

1 stop18h 32m

Kona Intl

Sun 4/13

9:00 pm-6:43 am

2 stops51h 43m

$554

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 3/4

1:30 pm-9:17 pm

2 stops36h 47m

Kona Intl

Mon 3/10

10:35 pm-12:30 pm

2 stops31h 55m

$555

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Fri 3/28

6:30 am-2:24 pm

1 stop13h 54m

Kona Intl

Sun 4/13

3:45 pm-4:20 pm

2 stops18h 35m

$577

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 4/29

6:10 am-6:42 pm

2 stops18h 32m

Kona Intl

Tue 5/6

9:30 pm-11:58 pm

2 stops20h 28m

$583

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Thu 5/29

9:00 am-8:03 pm

2 stops17h 03m

Kona Intl

Thu 6/5

10:15 pm-3:20 pm

1 stop11h 05m

$595

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Tue 4/29

6:15 am-7:36 pm

2 stops19h 21m

Kona Intl

Wed 5/7

1:10 pm-11:55 am

2 stops16h 45m

$598

OttawaKailua-Kona

YOW - KOA

YOWKOA

Ottawa

Mon 4/7

6:00 am-3:35 pm

2 stops15h 35m

Kona Intl

Mon 4/14

7:35 pm-4:43 pm

2 stops15h 08m

$600

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sun 4/6

6:30 am-6:42 pm

2 stops18h 12m

Kona Intl

Wed 4/16

8:20 pm-6:31 pm

2 stops16h 11m

$693

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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.

Travel insights for flights from Ontario to Kailua-Kona

Get recent, data-driven insights about flights from Ontario to Kailua-Kona including ideal travel times, pricing trends, and more.

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 $621). 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 February 22, 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 February 22, 2025.
See what other customers who have flown with Delta, United Airlines and American 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.
Delta
8.0
Very good
8,213 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,213 reviews
Delta
8.0
Very good
8,213 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,759 reviews
Delta
8.0
Very good
8,213 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,213 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.2
Good
2,800 reviews
Delta
8.0
Very good
8,213 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Canada
7.0
Good
8,756 reviews
Delta
8.0
Very good
8,213 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

8.0

Overall

8.0

Food

7.3

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 ($286), Air Canada ($348), and Delta ($385).

  • 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 $621). 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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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 February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$523Average$861FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$584Average$844FlexibilityNo cancel feeOn-time67%
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