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Cheap flights from Ontario to Kaua'i from C$ 395

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LIH
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Kaua'i

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Kaua'i
Explore the most affordable flight options available from Ontario to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 March 2026.

Tue 19/57:15 p.m.
YYZ
-
LIH
2 stops23h 07m
American Airlines
Wed 20/54:12 p.m.
LIH
-
YYZ
2 stops15h 45m
American Airlines
Deal found 22/3C$ 881
Fri 17/49:50 a.m.
YYZ
-
LIH
2 stops27h 06m
Multiple Airlines
Sun 26/41:36 p.m.
LIH
-
YYZ
1 stop26h 06m
Multiple Airlines
Deal found 18/3C$ 933
Fri 10/44:45 p.m.
YUL
-
LIH
2 stops32h 05m
Delta
Fri 17/49:25 p.m.
LIH
-
YUL
2 stops32h 34m
Delta
Deal found 18/3C$ 937
Thu 9/412:50 p.m.
YUL
-
LIH
2 stops36h 00m
Delta
Thu 16/49:25 p.m.
LIH
-
YUL
2 stops32h 11m
Delta
Deal found 18/3C$ 963
Mon 20/46:30 a.m.
YYZ
-
LIH
2 stops17h 10m
Delta
Mon 27/48:20 p.m.
LIH
-
YYZ
2 stops20h 36m
Delta
Deal found 22/3C$ 978
Tue 14/412:55 p.m.
YUL
-
LIH
2 stops35h 45m
Delta
Mon 20/49:25 p.m.
LIH
-
YUL
2 stops32h 13m
Delta
Deal found 17/3C$ 996
Tue 6/106:00 a.m.
YYZ
-
LIH
2 stops43h 22m
Delta
Tue 27/109:45 p.m.
LIH
-
YYZ
2 stops19h 06m
Delta
Deal found 19/3C$ 997
Fri 10/44:45 p.m.
YUL
-
LIH
2 stops32h 05m
Delta
Mon 20/49:25 p.m.
LIH
-
YUL
2 stops32h 13m
Delta
Deal found 17/3C$ 1,023
Sat 12/1210:15 p.m.
YYZ
-
LIH
2 stops29h 27m
WestJet
Sun 20/1211:50 p.m.
LIH
-
YYZ
1 stop32h 50m
WestJet
Deal found 17/3C$ 1,040
Sat 18/410:00 a.m.
YYZ
-
LIH
1 stop17h 06m
Multiple Airlines
Sat 25/43:24 p.m.
LIH
-
YYZ
1 stop24h 18m
Multiple Airlines
Deal found 19/3C$ 1,048
Fri 17/46:30 a.m.
YYZ
-
LIH
2 stops18h 10m
Delta
Sun 26/49:25 p.m.
LIH
-
YYZ
2 stops18h 34m
Delta
Deal found 18/3C$ 1,054
Mon 20/49:00 p.m.
YYZ
-
LIH
2 stops20h 23m
United Airlines
Mon 27/411:00 p.m.
LIH
-
YYZ
1 stop19h 17m
United Airlines
Deal found 22/3C$ 1,055

Find flight deals from Ontario to Kaua'i

Keep the following information in mind while searching for Ontario to Kaua'i flight deals. Data was last updated 23 March 2026.

Round-trip from

C$ 881

One-way from

C$ 395

Popular in

June

Cheapest in

March

Average price

C$ 731
American Airlines
  • American Airlines
  • 19/5-20/5
  • 4 total stops
  • 39h 52m total
  • Ontario to Kaua'i
Search Deals
2/5
  • 2/5
  • 3 total stops
  • 50h 17m total
  • Ontario to Kaua'i
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 203 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Kaua'i 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 23 March 2026.
Use the filters below to find and compare flights from Ontario to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Thu 9/4

12:50 p.m.-6:50 p.m.

2 stops36h 00m

Lihue

Thu 16/4

9:25 p.m.-11:36 a.m.

2 stops32h 11m

C$ 963

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Mon 20/4

6:30 a.m.-5:40 p.m.

2 stops17h 10m

Lihue

Mon 27/4

8:20 p.m.-10:56 p.m.

2 stops20h 36m

C$ 978

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Mon 20/4

8:15 a.m.-7:53 p.m.

1 stop17h 38m

Lihue

Mon 27/4

11:00 p.m.-10:32 p.m.

1 stop17h 32m

C$ 1,055

OttawaLihue

YOW - LIH

YOWLIH

Ottawa

Mon 13/4

7:30 p.m.-11:38 a.m.

2 stops46h 08m

Lihue

Thu 16/4

12:55 p.m.-9:11 a.m.

2 stops38h 16m

C$ 1,087

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Mon 13/4

4:50 p.m.-11:23 a.m.

2 stops24h 33m

Lihue

Wed 15/4

12:40 p.m.-4:14 p.m.

1 stop21h 34m

C$ 1,103

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

5:35 p.m.-11:38 a.m.

2 stops24h 03m

Lihue

Mon 20/4

11:00 p.m.-12:13 a.m.

2 stops19h 13m

C$ 1,135

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

12:50 p.m.-6:50 p.m.

2 stops36h 00m

Lihue

Mon 20/4

9:25 p.m.-11:08 p.m.

2 stops19h 43m

C$ 1,143

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

5:55 p.m.-11:38 a.m.

1 stop23h 43m

Lihue

Mon 20/4

12:55 p.m.-4:56 p.m.

1 stop22h 01m

C$ 1,150

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Wed 8/4

6:00 p.m.-7:53 p.m.

1 stop31h 53m

Lihue

Mon 20/4

11:00 p.m.-12:13 a.m.

2 stops19h 13m

C$ 1,172

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Tue 19/5

6:10 a.m.-5:40 p.m.

2 stops17h 30m

Lihue

Thu 28/5

8:40 p.m.-10:59 p.m.

2 stops20h 19m

C$ 1,173

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/3

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i 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 Kaua'i

What is the cheapest month to book a flight from Region of Ontario to Kaua'i?

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Kaua'i (average of C$ 255). Flying from Region of Ontario to Kaua'i in June is currently the most expensive (average of C$ 1,711). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kaua'i. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Region of Ontario to Kaua'i?

    Departing from Region of Ontario to Kaua'i will take you 17h 38m. The distance between Region of Ontario and Kaua'i is about 7532 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Ontario to Kaua'i that include hotel bookings?

    Yes. In addition to deals on Ontario to Kaua'i flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Kaua'i?

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

  • Can I find deals for business class flights from Ontario to Kaua'i?

    Yes. Cheapflights offers flight deals from Ontario to Kaua'i 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 Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to Kaua'i (average of C$ 255). Flying from Region of Ontario to Kaua'i in June is currently the most expensive (average of C$ 1,711). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.
Vancouver Intl to Honolulu flights
Pearson Intl to Honolulu flights
Pierre Elliott Trudeau Intl to Honolulu flights
Vancouver Intl to Kahului flights
Calgary to Honolulu flights
Edmonton to Honolulu flights
Vancouver Intl to Kailua-Kona flights
Pierre Elliott Trudeau Intl to Kahului flights
Pearson Intl to Kahului flights
Region of Waterloo Intl to Honolulu flights
Edmonton to Kahului flights
Vancouver Intl to Lihue flights
Toronto Island to Honolulu flights
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Ottawa to Honolulu flights
Kelowna to Honolulu flights
Québec City to Honolulu flights
Pierre Elliott Trudeau Intl to Lihue flights
Pierre Elliott Trudeau Intl to Kailua-Kona flights
Winnipeg to Honolulu flights
Pearson Intl to Kailua-Kona flights
Calgary to Kailua-Kona flights
Pearson Intl to Lihue flights
Victoria to Honolulu flights
Calgary to Lihue flights
Winnipeg to Kahului flights
Edmonton to Kailua-Kona flights
Victoria to Kahului flights
Ottawa to Kahului flights
Vancouver Intl to Hilo flights
Pierre Elliott Trudeau Intl to Hilo flights
Abbotsford to Kahului flights
Edmonton to Lihue flights
Kelowna to Kahului flights
St. John's to Honolulu flights
Ottawa to Kailua-Kona flights
Region of Waterloo Intl to Kahului flights
Regina to Kahului flights
Toronto Island to Kahului flights
Edmonton to Hilo flights
Terrace to Honolulu flights
Kelowna to Hilo flights
Kamloops to Kailua-Kona flights
Québec City to Kailua-Kona flights
Winnipeg to Lihue flights
Halifax to Honolulu flights
Comox to Honolulu flights
St John to Honolulu flights
Calgary to Hilo flights

Top 2 airlines flying from Ontario to Kaua'i

Discover the top 2 airlines that operate flights from Ontario to Kaua'i. 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 629,999 searches. Data last updated 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 249AverageC$ 620FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 512AverageC$ 1,062FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Kaua'i?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Kaua'i. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Kaua'i?

Cheapflights simply makes it quick and affordable to book flights from Ontario to Kaua'i by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ontario to Kaua'i with no change fees?

Need flexible booking options for your flight to Kaua'i from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Kaua'i become cheaper?

Of course! You can now track prices for flights from Ontario to Kaua'i and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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