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Cheap flights from Kailua-Kona to Ontario from C$ 250

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — YYZ
4 Aug — 11 Aug1
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 30 July 2025.

Round-trip from

C$ 698

One-way from

C$ 250
10/9-13/9
  • 10/9-13/9
  • 3 total stops
  • 68h 45m total
  • Kailua-Kona to Ontario
Search Deals
WestJet
  • WestJet
  • 26/10
  • 2 total stops
  • 20h 38m 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 30 July 2025.

Wed 10/99:00 p.m.KOA - YYZ
2 stops38h 38mMultiple Airlines
Sat 13/910:40 a.m.YYZ - KOA
1 stop30h 07mMultiple Airlines
Deal found 29/7C$ 698
Wed 10/97:40 p.m.KOA - YYZ
1 stop13h 31mUnited Airlines
Wed 17/99:44 a.m.YYZ - KOA
1 stop12h 02mUnited Airlines
Deal found 29/7C$ 724
Wed 10/911:47 a.m.KOA - YYZ
1 stop21h 13mAlaska Airlines
Thu 18/94:45 p.m.YYZ - KOA
1 stop29h 59mAlaska Airlines
Deal found 29/7C$ 795
Tue 9/91:15 p.m.KOA - YUL
1 stop13h 01mUnited Airlines
Mon 29/96:30 p.m.YUL - KOA
1 stop22h 56mUnited Airlines
Deal found 29/7C$ 840
Wed 10/91:15 p.m.KOA - YYZ
2 stops17h 24mAir Canada
Thu 11/912:30 a.m.YYZ - KOA
2 stops24h 54mAir Canada
Deal found 29/7C$ 848
Tue 9/99:55 p.m.KOA - YUL
2 stops18h 37mAmerican Airlines
Mon 29/97:50 a.m.YUL - KOA
3 stops18h 37mAmerican Airlines
Deal found 29/7C$ 1,575

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 30 July 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

Wed 10/9

9:00 p.m.-5:38 p.m.

2 stops38h 38m

Toronto Pearson Intl

Sat 13/9

10:40 a.m.-10:47 a.m.

1 stop30h 07m

C$ 698

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Wed 10/9

7:40 p.m.-3:11 p.m.

1 stop13h 31m

Toronto Pearson Intl

Fri 12/9

9:00 a.m.-7:24 p.m.

2 stops16h 24m

C$ 724

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Wed 10/9

11:47 a.m.-3:00 p.m.

1 stop21h 13m

Toronto Pearson Intl

Thu 18/9

4:45 p.m.-4:44 p.m.

1 stop29h 59m

C$ 795

Kailua-KonaMontreal

KOA - YUL

KOAYUL

Kona Intl

Tue 9/9

1:15 p.m.-8:16 a.m.

1 stop13h 01m

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

6:30 p.m.-11:26 a.m.

1 stop22h 56m

C$ 840

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Wed 10/9

11:00 p.m.-10:36 p.m.

2 stops17h 36m

Toronto Pearson Intl

Sun 21/9

6:15 a.m.-7:24 p.m.

2 stops19h 09m

C$ 848

Kailua-KonaMontreal

KOA - YUL

KOAYUL

Kona Intl

Tue 9/9

9:55 p.m.-10:32 p.m.

2 stops18h 37m

Montreal Pierre Elliott Trudeau Intl

Mon 29/9

7:50 a.m.-8:27 p.m.

3 stops18h 37m

C$ 1,575

Kailua-KonaMontreal

KOA - YUL

KOAYUL

Kona Intl

Sun 26/10

9:55 p.m.-12:33 a.m.

2 stops20h 38m

C$ 250

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Fri 26/9

1:40 p.m.-7:00 a.m.

1 stop11h 20m

C$ 262

Kailua-KonaMontreal

KOA - YUL

KOAYUL

Kona Intl

Sun 26/10

9:55 p.m.-1:32 p.m.

1 stop33h 37m

C$ 284

Kailua-KonaMontreal

KOA - YUL

KOAYUL

Kona Intl

Mon 27/10

7:55 p.m.-7:48 p.m.

2 stops17h 53m

C$ 309

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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
No data available for this route at this time. Please check back soon.

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 30 July 2025.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines from Kailua-Kona to Ontario by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
WestJet
7.2
Good
2,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Overall

8.0

Crew

8.5

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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$ 250 on WestJet. Other airlines that offer cheap prices include United Airlines from C$ 262 and Air Canada from C$ 377 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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