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$198+ Cheap flights from Kailua-Kona (KOA) to Ontario

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — YYZ
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 1/298:55 pm
KOA
-
YYZ
1 stop13h 07m
United Airlines
Sun 2/19:00 pm
YYZ
-
KOA
2 stops24h 41m
United Airlines
Deal found 1/26$587
This Alaska Airlines deal was found by Cheapflights users on 1/26. 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 3/1310:57 pm
KOA
-
YYZ
2 stops34h 38m
Alaska Airlines
Fri 3/204:45 pm
YYZ
-
KOA
2 stops22h 52m
Alaska Airlines
Deal found 1/26$860
This Air Canada deal was found by Cheapflights users on 1/26. 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 3/131:00 pm
KOA
-
YYZ
1 stop11h 47m
Air Canada
Fri 3/2010:45 am
YYZ
-
KOA
1 stop15h 06m
Air Canada
Deal found 1/26$884
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/98:55 pm
KOA
-
YYZ
1 stop13h 07m
United Airlines
Thu 2/126:45 am
YYZ
-
KOA
2 stops14h 49m
United Airlines
Deal found 1/26$929
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/93:44 pm
KOA
-
YYZ
1 stop24h 41m
Multiple Airlines
Thu 2/127:55 am
YYZ
-
KOA
1 stop19h 32m
Multiple Airlines
Deal found 1/26$1,008
This Mytrip deal was found by Cheapflights users on 1/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/139:55 pm
KOA
-
YYZ
2 stops14h 44m
Multiple Airlines
Fri 3/206:30 pm
YYZ
-
KOA
3 stops32h 57m
Multiple Airlines
Deal found 1/26$1,348

Find 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 January 29, 2026.

Round-trip from

$860
(Alaska Airlines)

One-way from

$198
(Kiwi.com)
From Kona Intl to Ontario
Search Deals
One-way flight from Kona Intl to Ontario
Search Deals

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 2,558,603 searches. Data last updated January 29, 2026.
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

Fri 3/13

10:57 pm-3:35 pm

2 stops34h 38m

Toronto Pearson Intl

Fri 3/20

4:45 pm-9:37 am

2 stops22h 52m

$860

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Fri 3/13

1:00 pm-5:08 pm

2 stops22h 08m

Toronto Pearson Intl

Fri 3/20

12:45 pm-7:51 pm

1 stop13h 06m

$884

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Mon 2/9

8:55 pm-3:02 pm

1 stop13h 07m

Toronto Pearson Intl

Thu 2/12

6:45 am-4:34 pm

2 stops14h 49m

$929

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Mon 2/9

3:44 pm-9:25 pm

1 stop24h 41m

Toronto Pearson Intl

Thu 2/12

7:55 am-10:27 pm

1 stop19h 32m

$1,008

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Fri 3/13

9:55 pm-6:39 pm

2 stops14h 44m

Toronto Pearson Intl

Fri 3/20

6:30 pm-9:27 pm

3 stops32h 57m

$1,348

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Sun 3/8

9:55 pm-9:11 pm

1 stop17h 16m

$198

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Sun 4/19

11:27 pm-7:50 am

2 stops26h 23m

$236

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Sun 3/8

1:00 pm-1:05 pm

1 stop18h 05m

$245

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Tue 6/9

1:52 pm-6:45 am

1 stop10h 53m

$289

Kailua-KonaToronto

KOA - YYZ

KOAYYZ

Kona Intl

Tue 6/9

11:03 pm-11:08 pm

2 stops18h 05m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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 January 29, 2026.
Peruse reviews from past customers who have flown with United Airlines from Kailua-Kona to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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?

    For a flight from Kailua-Kona to Ontario, you will be flying from Kona Intl. Kona Intl (KOA) is just 7.7 mi from the center of the city.

  • How long is the flight from Kailua-Kona to Region of Ontario?

    There are many flights that can get you from Kailua-Kona to Region of Ontario in 13h 07m. Fly via Alaska Airlines, Air Canada, or United Airlines to get the fastest option. Airlines will cover a distance of 4616 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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.

See more FAQs

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Alternative routes for Kailua-Kona to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Kailua-Kona to Ontario

Discover the top airline that operate flights from Kailua-Kona to Ontario. 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$182Average$756FlexibilityNo cancel feeOn-time69%

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