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Cheap flights from Kailua-Kona to Ontario from C$ 290

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — YYZ
2 Apr — 9 Apr1
1 adult

Cheap flight deals from Kailua-Kona to Ontario

Keep the following information in mind while searching for Kailua-Kona to Ontario flight deals. Data was last updated 28 March 2025.

Round-trip from

C$ 758

One-way from

C$ 290
12/4-25/5
  • 12/4-25/5
  • 3 total stops
  • 64h 03m total
  • Kailua-Kona to Ontario
Search Deals
WestJet
  • WestJet
  • 12/4
  • 2 total stops
  • 56h 18m total
  • Kailua-Kona to Ontario
Search Deals

Find flight deals from Kailua-Kona to Ontario

Cheapest flights from Kailua-Kona to Ontario
Explore the most affordable flight options available from Kailua-Kona to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 March 2025.

Sat 12/410:35 p.m.KOA - YYZ
1 stop26h 35mMultiple Airlines
Sun 25/58:00 a.m.YYZ - KOA
2 stops37h 28mMultiple Airlines
Deal found 28/3C$ 758
Sun 13/43:45 p.m.KOA - YYZ
2 stops24h 31mAir Canada
Sun 25/512:15 p.m.YYZ - KOA
1 stop13h 48mAir Canada
Deal found 28/3C$ 1,046
Sun 13/47:00 p.m.KOA - YYZ
2 stops18h 00mUnited Airlines
Sat 24/56:30 a.m.YYZ - KOA
1 stop13h 11mUnited Airlines
Deal found 28/3C$ 1,115
Thu 1/57:35 p.m.KOA - YUL
2 stops30h 13mUnited Airlines
Fri 9/58:05 a.m.YUL - KOA
1 stop33h 50mUnited Airlines
Deal found 27/3C$ 1,298
Fri 25/41:42 p.m.KOA - YUL
2 stops16h 38mAmerican Airlines
Fri 2/52:30 p.m.YUL - KOA
2 stops27h 42mAmerican Airlines
Deal found 28/3C$ 1,412
Fri 25/43:45 p.m.KOA - YUL
1 stop21h 59mAir Canada
Fri 2/57:30 a.m.YUL - KOA
2 stops18h 16mAir Canada
Deal found 28/3C$ 1,452
Sat 12/49:30 p.m.KOA - YYZ
2 stops15h 37mDelta
Fri 23/56:30 a.m.YYZ - KOA
2 stops18h 40mDelta
Deal found 28/3C$ 1,968
Sun 13/41:42 p.m.KOA - YYZ
2 stops16h 58mAmerican Airlines
Sat 24/56:45 a.m.YYZ - KOA
3 stops18h 46mAmerican Airlines
Deal found 28/3C$ 2,165
Thu 27/311:18 a.m.KOA - YUL
2 stops18h 17mDelta
Sat 29/312:48 p.m.YUL - KOA
2 stops34h 55mDelta
Deal found 27/3C$ 3,092
Thu 27/310:35 p.m.KOA - YUL
1 stop35h 00mMultiple Airlines
Sat 29/37:55 p.m.YUL - KOA
2 stops30h 22mMultiple Airlines
Deal found 27/3C$ 3,522
Thu 27/310:35 p.m.KOA - YUL
2 stops20h 04mWestJet
Sat 29/36:45 a.m.YUL - KOA
2 stops20h 41mWestJet
Deal found 27/3C$ 4,336

Cheapflights Fare Finder

Customize your flight search to find flights from Kailua-Kona to Ontario 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 629,999 searches. Data last updated 28 March 2025.
Use the filters below to find and compare flights from Kailua-Kona to Ontario that are best for you.

Fly from

Kailua-Kona

Fly to

Ontario

Route

Depart

Return

Price

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Sat 12/4

10:35 p.m.-7:10 a.m.

1 stop26h 35m

Toronto Pearson Intl

Sun 25/5

8:00 a.m.-3:28 p.m.

2 stops37h 28m

C$ 758

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Sun 13/4

3:45 p.m.-10:16 p.m.

2 stops24h 31m

Toronto Pearson Intl

Sun 25/5

12:15 p.m.-8:03 p.m.

1 stop13h 48m

C$ 1,046

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Sun 13/4

7:00 p.m.-7:00 p.m.

2 stops18h 00m

Toronto Pearson Intl

Sat 24/5

6:30 a.m.-1:41 p.m.

1 stop13h 11m

C$ 1,115

Kailua-KonaMontreal

KOA - YUL

KOAYUL

Kona Intl

Thu 1/5

7:35 p.m.-7:48 a.m.

2 stops30h 13m

Montreal Pierre Elliott Trudeau Intl

Fri 9/5

8:05 a.m.-11:55 a.m.

1 stop33h 50m

C$ 1,298

Kailua-KonaMontreal

KOA - YUL

KOAYUL

Kona Intl

Fri 25/4

1:42 p.m.-12:20 p.m.

2 stops16h 38m

Montreal Pierre Elliott Trudeau Intl

Fri 2/5

2:30 p.m.-12:12 p.m.

2 stops27h 42m

C$ 1,412

Kailua-KonaMontreal

KOA - YUL

KOAYUL

Kona Intl

Fri 25/4

3:45 p.m.-7:44 p.m.

1 stop21h 59m

Montreal Pierre Elliott Trudeau Intl

Fri 2/5

7:30 a.m.-7:46 p.m.

2 stops18h 16m

C$ 1,452

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Sat 12/4

9:30 p.m.-7:07 p.m.

2 stops15h 37m

Toronto Pearson Intl

Fri 23/5

6:30 a.m.-7:10 p.m.

2 stops18h 40m

C$ 1,968

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Sun 13/4

1:42 p.m.-12:40 p.m.

2 stops16h 58m

Toronto Pearson Intl

Sat 24/5

6:45 a.m.-7:31 p.m.

3 stops18h 46m

C$ 2,165

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Sat 12/4

10:35 p.m.-12:53 p.m.

2 stops56h 18m

C$ 290

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Fri 11/4

3:45 p.m.-7:30 p.m.

1 stop21h 45m

C$ 299

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/3

Showing 1-10 of 15 results
1
2

Best time to book a flight from Kailua-Kona to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kailua-Kona 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 Kailua-Kona to Ontario

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 28 March 2025.
Read reviews from past customers who have flown Delta, United Airlines and American Airlines from Kailua-Kona to Ontario. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
WestJet
7.2
Good
2,785 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
8,981 reviews
Delta
8.0
Very good
7,897 reviews
Check prices

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Kailua-Kona to Ontario. 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 from for flights from Kailua-Kona to Ontario?

    If you book a flight to Ontario from Kailua-Kona, you will be flying from Kona Intl, which is the city’s only airport. Kona Intl (KOA) is located 12.5 km from the centre of Kailua-Kona.

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

    One-way options have recently been found by users for as low as C$ 290 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 299 and United Airlines from C$ 620 one-way.

  • Can I find deals for flights from Kailua-Kona to Ontario that include hotel bookings?

    Yes. In addition to deals on Kailua-Kona to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kailua-Kona to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kailua-Kona to Ontario.

  • Can I find deals for business class flights from Kailua-Kona to Ontario?

    Yes. Cheapflights offers flight deals from Kailua-Kona to Ontario 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 Kailua-Kona to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from Kailua-Kona to Region of Ontario (average of C$ 167). Flying from Kailua-Kona to Region of Ontario in July is currently the most expensive (average of C$ 258). 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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Why should you use Cheapflights to find cheap flight tickets from Kailua-Kona to Ontario?

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Can Cheapflights notify me if prices for flights from Kailua-Kona to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Kailua-Kona to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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