Cheap flights from Ontario to Kaua'i from C$ 445

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LIH
2 Sep — 9 Sep1
1 adult

Cheap 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 28 August 2025.

Round-trip from

C$ 472

One-way from

C$ 445

Popular in

December

Cheapest in

October

Average price

C$ 1,082
United Airlines
  • United Airlines
  • 28/10-7/11
  • 4 total stops
  • 30h 49m total
  • Ontario to Kaua'i
11/10
  • 11/10
  • 3 total stops
  • 41h 27m total
  • Ontario to Kaua'i
Highest demand for flights based on searches. 9% potential increase in price (C$ 144 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease (C$ 60 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Ontario to Kaua'i

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 28 August 2025.

Tue 28/106:20 a.m.YOW - LIH
2 stops15h 38mUnited Airlines
Fri 7/112:31 p.m.LIH - YOW
2 stops14h 55mUnited Airlines
Deal found 25/8C$ 472
Thu 27/114:10 p.m.YYZ - LIH
2 stops25h 48mUnited Airlines
Thu 4/128:30 p.m.LIH - YYZ
1 stop13h 31mUnited Airlines
Deal found 28/8C$ 551
Wed 3/129:00 a.m.YUL - LIH
2 stops32h 58mAir Canada
Wed 10/122:15 p.m.LIH - YUL
2 stops25h 45mAir Canada
Deal found 28/8C$ 618
Tue 4/114:10 p.m.YYZ - LIH
2 stops25h 48mUnited Airlines
Tue 11/112:31 p.m.LIH - YYZ
2 stops18h 49mUnited Airlines
Deal found 27/8C$ 625
Thu 18/127:30 p.m.YUL - LIH
2 stops32h 16mWestJet
Mon 5/111:50 p.m.LIH - YUL
2 stops26h 15mWestJet
Deal found 26/8C$ 636
Thu 18/127:30 p.m.YUL - LIH
2 stops32h 16mWestJet
Sun 4/111:50 p.m.LIH - YUL
2 stops26h 15mWestJet
Deal found 26/8C$ 665
Sat 25/1010:45 a.m.YYZ - LIH
2 stops15h 10mUnited Airlines
Fri 31/101:15 p.m.LIH - YYZ
2 stops14h 43mUnited Airlines
Deal found 27/8C$ 742
Mon 15/126:20 a.m.YKF - LIH
2 stops21h 26mWestJet
Wed 24/1211:50 p.m.LIH - YKF
2 stops24h 38mWestJet
Deal found 28/8C$ 746
Sat 25/1011:10 a.m.YYZ - LIH
2 stops30h 48mAir Canada
Fri 31/101:15 p.m.LIH - YYZ
1 stop20h 15mAir Canada
Deal found 27/8C$ 776
Tue 14/107:00 a.m.YUL - LIH
2 stops18h 05mDelta
Sun 26/108:30 p.m.LIH - YUL
2 stops20h 44mDelta
Deal found 27/8C$ 779
Thu 25/910:40 a.m.YYZ - LIH
1 stop31h 16mMultiple Airlines
Thu 2/101:11 p.m.LIH - YYZ
2 stops29h 32mMultiple Airlines
Deal found 27/8C$ 780
Sun 14/127:30 p.m.YUL - LIH
2 stops32h 16mWestJet
Wed 7/111:50 p.m.LIH - YUL
2 stops26h 15mWestJet
Deal found 26/8C$ 808

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 28 August 2025.
Use the filters below to find and compare flights from Ontario to Kaua'i that are best for you.

Fly from

Ontario

Fly to

Kaua'i

Route

Depart

Return

Price

OttawaLihue

YOW - LIH

YOWLIH

Ottawa

Tue 28/10

6:20 a.m.-3:58 p.m.

2 stops15h 38m

Lihue

Fri 7/11

2:15 p.m.-10:26 a.m.

2 stops15h 11m

C$ 472

OttawaLihue

YOW - LIH

YOWLIH

Ottawa

Sun 2/11

5:14 p.m.-12:58 p.m.

2 stops24h 44m

Lihue

Sun 16/11

2:15 p.m.-10:26 a.m.

2 stops15h 11m

C$ 548

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

9:00 a.m.-12:58 p.m.

2 stops32h 58m

Lihue

Wed 10/12

2:15 p.m.-9:00 p.m.

2 stops25h 45m

C$ 618

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Tue 4/11

7:40 p.m.-4:58 p.m.

3 stops26h 18m

Lihue

Tue 11/11

8:30 p.m.-9:21 p.m.

2 stops19h 51m

C$ 625

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Sat 25/10

10:45 a.m.-7:55 p.m.

2 stops15h 10m

Lihue

Fri 31/10

1:15 p.m.-9:58 a.m.

2 stops14h 43m

C$ 742

TorontoLihue

YKF - LIH

YKFLIH

Toronto Region of Waterloo Intl

Mon 15/12

6:20 a.m.-10:46 p.m.

2 stops21h 26m

Lihue

Wed 24/12

11:50 p.m.-5:28 a.m.

2 stops24h 38m

C$ 746

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Sat 25/10

11:10 a.m.-11:58 a.m.

2 stops30h 48m

Lihue

Fri 31/10

1:15 p.m.-3:30 p.m.

1 stop20h 15m

C$ 776

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Sat 18/10

6:00 a.m.-7:05 p.m.

2 stops19h 05m

Lihue

Sun 26/10

8:30 p.m.-11:14 p.m.

2 stops20h 44m

C$ 779

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Tue 14/10

7:00 a.m.-7:05 p.m.

2 stops18h 05m

Lihue

Sun 26/10

8:30 p.m.-11:14 p.m.

2 stops20h 44m

C$ 779

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Thu 25/9

10:40 a.m.-11:56 a.m.

1 stop31h 16m

Lihue

Thu 2/10

1:11 p.m.-12:43 a.m.

2 stops29h 32m

C$ 780

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/8

Showing 1-10 of 28 results
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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, October is the cheapest month in which you can book a flight from Region of Ontario to Kaua'i (average of C$ 423). Flying from Region of Ontario to Kaua'i in June is currently the most expensive (average of C$ 718). 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 FUS?

Find hourly flight availability from Ontario to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 August 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Kaua'i as you normally would.

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 15h 38m. The distance between Region of Ontario and Kaua'i is about 7805 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, October is the cheapest month in which you can book a flight from Region of Ontario to Kaua'i (average of C$ 423). Flying from Region of Ontario to Kaua'i in June is currently the most expensive (average of C$ 718). 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 Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.

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 28 August 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 423AverageC$ 1,013FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 475AverageC$ 1,065FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

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