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Cheap flights from Ontario to Kaua'i from C$ 468

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LIH
21 May — 28 May1
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 16 May 2025.

Round-trip from

C$ 1,002

One-way from

C$ 637

Popular in

July

Cheapest in

August

Average price

C$ 1,104
United Airlines
  • United Airlines
  • 15/7-21/7
  • 2 total stops
  • 25h 28m total
  • Ontario to Kaua'i
United Airlines
  • United Airlines
  • 29/6
  • 2 total stops
  • 15h 54m total
  • Ontario to Kaua'i
Highest demand for flights based on searches. 12% potential increase in price (C$ 237 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease (C$ 72 potential savings vs. average RT price).
Average for round-trip flights in May 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 16 May 2025.

Sat 6/126:55 p.m.YYZ - LIH
1 stop22h 55mAir Canada
Sat 13/122:15 p.m.LIH - YYZ
2 stops14h 40mAir Canada
Deal found 15/5C$ 468
Wed 3/125:50 p.m.YUL - LIH
1 stop24h 00mAir Canada
Wed 10/122:15 p.m.LIH - YUL
1 stop21h 50mAir Canada
Deal found 15/5C$ 472
Sat 6/126:55 p.m.YYZ - LIH
1 stop22h 55mMultiple Airlines
Sat 13/1211:33 a.m.LIH - YYZ
2 stops20h 59mMultiple Airlines
Deal found 15/5C$ 974
Sat 11/103:59 p.m.YYZ - LIH
2 stops26h 06mUnited Airlines
Sun 19/101:20 p.m.LIH - YYZ
2 stops16h 37mUnited Airlines
Deal found 14/5C$ 985
Wed 11/65:15 p.m.YYZ - LIH
2 stops24h 49mAmerican Airlines
Wed 18/61:34 p.m.LIH - YYZ
2 stops15h 38mAmerican Airlines
Deal found 14/5C$ 1,050
Thu 29/54:45 p.m.YYZ - LIH
2 stops25h 00mAlaska Airlines
Sun 8/610:33 p.m.LIH - YYZ
1 stop34h 27mAlaska Airlines
Deal found 14/5C$ 1,210
Sun 8/64:45 p.m.YYZ - LIH
1 stop25h 01mHawaiian Airlines
Thu 19/69:32 p.m.LIH - YYZ
1 stop11h 28mHawaiian Airlines
Deal found 15/5C$ 1,276

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 16 May 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

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Sat 13/9

8:15 a.m.-7:58 p.m.

2 stops17h 43m

Lihue

Fri 26/9

12:50 p.m.-9:58 a.m.

2 stops15h 08m

C$ 906

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Sat 23/8

2:45 p.m.-11:54 a.m.

2 stops27h 09m

Lihue

Sat 30/8

1:13 p.m.-11:49 a.m.

2 stops16h 36m

C$ 1,003

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Thu 12/6

10:25 p.m.-3:51 p.m.

2 stops47h 26m

Lihue

Thu 19/6

2:15 p.m.-9:29 p.m.

1 stop25h 14m

C$ 1,010

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Wed 15/10

4:45 p.m.-7:24 p.m.

2 stops32h 39m

Lihue

Fri 24/10

9:06 a.m.-3:00 p.m.

2 stops23h 54m

C$ 1,059

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Mon 11/8

6:29 p.m.-12:12 p.m.

2 stops23h 43m

Lihue

Sat 16/8

1:45 p.m.-12:30 p.m.

2 stops16h 45m

C$ 1,117

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Sun 8/6

4:45 p.m.-11:46 a.m.

1 stop25h 01m

Lihue

Thu 19/6

9:32 p.m.-3:00 p.m.

1 stop11h 28m

C$ 1,276

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Sun 29/6

9:44 a.m.-7:38 p.m.

2 stops15h 54m

C$ 637

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Sun 29/6

10:20 p.m.-7:01 a.m.

3 stops38h 41m

C$ 679

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Sun 6/7

3:40 p.m.-11:47 a.m.

2 stops26h 07m

C$ 748

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Sun 6/7

8:05 a.m.-8:25 p.m.

1 stop18h 20m

C$ 893

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/5

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 16 May 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.

Rainfall in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kaua'i ranges from 57.0 - 170.0 mm per month. January is typically the wettest month, when rainfall can reach 170.0 mm. June is typically the driest time to visit Kaua'i when rainfall is around 57.0 mm.

Temperature in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kaua'i, 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 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.0 C).

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated 16 May 2025.

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.
  • What are the cheapest airlines to fly from Region of Ontario to Kaua'i one-way?

    The cheapest airlines for a one-way flight from Region of Ontario to Kaua'i are United Airlines (C$ 637), American Airlines (C$ 748), and Alaska Airlines (C$ 1,681).

  • 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

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.

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 16 May 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 570AverageC$ 1,029FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 740AverageC$ 1,052FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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.

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