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Kailua-Kona

$301+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — KOA
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$626
(United Airlines)

One-way from

$301
(United Airlines)

Popular in

July

Cheapest in

November

Average price

$668
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
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One-way flight from Ontario to Kona Intl
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Highest demand for flights based on searches. 17% potential increase in price ($141 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/136:30 pmYUL - KOA
1 stop22h 56mAir Canada
Mon 10/201:40 pmKOA - YUL
2 stops24h 02mAir Canada
Deal found 4/28$383
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/123:00 pmYYZ - KOA
2 stops26h 26mAir Canada
Tue 10/211:40 pmKOA - YYZ
2 stops28h 10mAir Canada
Deal found 4/29$409
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:20 pmYYZ - KOA
2 stops23h 06mUnited Airlines
Mon 11/108:00 pmKOA - YYZ
2 stops17h 37mUnited Airlines
Deal found 4/29$474
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/188:05 amYUL - KOA
1 stop13h 30mUnited Airlines
Sat 5/2412:58 pmKOA - YUL
2 stops17h 02mUnited Airlines
Deal found 4/29$672
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:20 pmYYZ - KOA
2 stops23h 57mAmerican Airlines
Mon 5/121:47 pmKOA - YYZ
2 stops16h 43mAmerican Airlines
Deal found 4/29$841
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:45 pmYYZ - KOA
1 stop34h 50mAlaska Airlines
Mon 11/108:00 amKOA - YYZ
1 stop26h 00mAlaska Airlines
Deal found 4/29$858
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/187:29 amYUL - KOA
3 stops18h 02mAmerican Airlines
Sat 5/241:47 pmKOA - YUL
2 stops15h 57mAmerican Airlines
Deal found 4/29$1,171
This CheapTicketsDeal deal was found by Cheapflights users on 4/29. 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 CheapTicketsDeal is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:30 amYYZ - KOA
1 stop20h 58mWestJet
Thu 1/111:35 pmKOA - YYZ
1 stop25h 39mWestJet
Deal found 4/29$1,190
This Air Canada deal was found by Cheapflights users on 4/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:15 pmYOW - KOA
2 stops28h 15mAir Canada
Mon 1/52:00 pmKOA - YOW
2 stops21h 50mAir Canada
Deal found 4/28$1,382
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/262:10 pmYOW - KOA
2 stops35h 25mUnited Airlines
Mon 1/53:55 pmKOA - YOW
2 stops13h 12mUnited Airlines
Deal found 4/29$1,385
This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:47 amYUL - KOA
3 stops19h 25mMultiple Airlines
Wed 5/71:47 pmKOA - YUL
2 stops15h 57mMultiple Airlines
Deal found 4/28$1,696

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 April 29, 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

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Mon 5/12

8:10 am-7:46 pm

1 stop17h 36m

Kona Intl

Mon 5/19

1:10 pm-4:16 pm

1 stop21h 06m

$643

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Sun 5/18

8:05 am-3:35 pm

1 stop13h 30m

Kona Intl

Sat 5/24

12:58 pm-12:00 pm

2 stops17h 02m

$672

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 7/1

6:20 pm-3:19 pm

1 stop26h 59m

Kona Intl

Mon 7/7

10:15 pm-10:48 pm

2 stops18h 33m

$717

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Tue 7/1

9:44 am-8:28 pm

2 stops16h 44m

Kona Intl

Mon 7/7

10:15 pm-7:37 pm

2 stops15h 22m

$828

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Mon 5/5

6:20 pm-12:17 pm

2 stops23h 57m

Kona Intl

Mon 5/12

1:47 pm-12:30 pm

2 stops16h 43m

$841

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Fri 5/2

4:45 pm-7:32 pm

2 stops32h 47m

Kona Intl

Tue 11/11

11:19 am-3:00 pm

2 stops22h 41m

$898

MontrealKailua-Kona

YUL - KOA

YULKOA

Montreal Pierre Elliott Trudeau Intl

Sun 5/18

7:29 am-7:31 pm

3 stops18h 02m

Kona Intl

Sat 5/24

1:47 pm-11:44 am

2 stops15h 57m

$1,171

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Fri 5/23

9:44 am-3:19 pm

1 stop11h 35m

$301

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Mon 6/9

8:05 pm-7:15 am

2 stops17h 10m

$329

TorontoKailua-Kona

YYZ - KOA

YYZKOA

Toronto Pearson Intl

Sat 5/24

4:45 pm-9:22 am

2 stops46h 37m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April 29, 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 April 29, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United 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
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
7,936 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air Canada
7.0
Good
9,242 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.2

Comfort

7.9

Entertainment

7.1

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 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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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$514Average$960FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$600Average$744FlexibilityNo cancel feeOn-time67%

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