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Cheap flights from Ontario to Kaua'i from C$ 481

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LIH
17 May — 24 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 12 May 2025.

Round-trip from

C$ 949

One-way from

C$ 481

Popular in

July

Cheapest in

August

Average price

C$ 1,101
United Airlines
  • United Airlines
  • 4/8-12/8
  • 3 total stops
  • 39h 19m total
  • Ontario to Kaua'i
17/6
  • 17/6
  • 3 total stops
  • 53h 32m total
  • Ontario to Kaua'i
Highest demand for flights based on searches. 12% potential increase in price (C$ 236 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease (C$ 71 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 12 May 2025.

Thu 27/116:55 p.m.YYZ - LIH
1 stop22h 55mAir Canada
Thu 4/122:15 p.m.LIH - YYZ
1 stop20h 11mAir Canada
Deal found 11/5C$ 489
Wed 3/125:35 p.m.YUL - LIH
2 stops24h 15mAir Canada
Wed 10/122:15 p.m.LIH - YUL
2 stops21h 43mAir Canada
Deal found 12/5C$ 789
Wed 15/104:45 p.m.YYZ - LIH
2 stops22h 48mMultiple Airlines
Wed 17/1211:40 p.m.LIH - YYZ
1 stop16h 14mMultiple Airlines
Deal found 11/5C$ 810
Sat 23/810:05 a.m.YYZ - LIH
2 stops15h 53mUnited Airlines
Sat 30/87:40 p.m.LIH - YYZ
2 stops15h 04mUnited Airlines
Deal found 11/5C$ 869
Fri 26/95:15 a.m.YOW - LIH
2 stops16h 21mUnited Airlines
Fri 10/101:20 p.m.LIH - YOW
2 stops14h 36mUnited Airlines
Deal found 11/5C$ 876
Mon 6/104:45 p.m.YYZ - LIH
2 stops25h 22mAlaska Airlines
Fri 17/102:20 p.m.LIH - YYZ
2 stops42h 40mAlaska Airlines
Deal found 10/5C$ 917
Tue 10/65:15 p.m.YYZ - LIH
2 stops24h 49mAmerican Airlines
Tue 17/61:34 p.m.LIH - YYZ
2 stops14h 47mAmerican Airlines
Deal found 11/5C$ 1,097
Wed 3/127:30 a.m.YUL - LIH
2 stops27h 54mMultiple Airlines
Wed 10/122:15 p.m.LIH - YUL
3 stops18h 03mMultiple Airlines
Deal found 11/5C$ 1,123
Wed 6/85:29 p.m.YUL - LIH
2 stops24h 43mAmerican Airlines
Sat 23/81:45 p.m.LIH - YUL
2 stops19h 09mAmerican Airlines
Deal found 11/5C$ 1,162
Wed 6/88:05 a.m.YUL - LIH
2 stops17h 33mUnited Airlines
Sat 23/811:10 p.m.LIH - YUL
1 stop15h 05mUnited Airlines
Deal found 11/5C$ 1,175
Fri 26/99:25 a.m.YOW - LIH
2 stops32h 40mAir Canada
Fri 10/101:20 p.m.LIH - YOW
3 stops17h 49mAir Canada
Deal found 11/5C$ 1,300
Fri 26/1210:35 p.m.YYZ - LIH
2 stops53h 01mWestJet
Fri 2/111:40 p.m.LIH - YYZ
1 stop19h 59mWestJet
Deal found 11/5C$ 1,690

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 12 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

Wed 15/10

4:45 p.m.-9:33 a.m.

2 stops22h 48m

Lihue

Wed 17/12

11:40 p.m.-8:54 p.m.

1 stop16h 14m

C$ 810

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Sat 23/8

10:05 a.m.-7:58 p.m.

2 stops15h 53m

Lihue

Sat 30/8

7:40 p.m.-4:44 p.m.

2 stops15h 04m

C$ 869

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Sun 31/8

5:15 p.m.-11:54 a.m.

3 stops24h 39m

Lihue

Mon 8/9

1:13 p.m.-11:14 p.m.

2 stops28h 01m

C$ 876

OttawaLihue

YOW - LIH

YOWLIH

Ottawa

Fri 26/9

5:15 a.m.-3:36 p.m.

2 stops16h 21m

Lihue

Fri 10/10

1:20 p.m.-9:56 a.m.

2 stops14h 36m

C$ 876

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Mon 6/10

4:45 p.m.-12:07 p.m.

2 stops25h 22m

Lihue

Fri 17/10

2:20 p.m.-3:00 p.m.

2 stops42h 40m

C$ 917

TorontoLihue

YYZ - LIH

YYZLIH

Toronto Pearson Intl

Tue 10/6

5:15 p.m.-12:04 p.m.

2 stops24h 49m

Lihue

Tue 17/6

1:34 p.m.-12:35 p.m.

2 stops17h 01m

C$ 1,097

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Wed 6/8

5:29 p.m.-12:12 p.m.

2 stops24h 43m

Lihue

Sat 23/8

1:45 p.m.-2:54 p.m.

2 stops19h 09m

C$ 1,162

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Wed 6/8

8:05 a.m.-7:38 p.m.

2 stops17h 33m

Lihue

Sat 23/8

11:10 p.m.-8:15 p.m.

1 stop15h 05m

C$ 1,175

OttawaLihue

YOW - LIH

YOWLIH

Ottawa

Fri 26/9

9:25 a.m.-12:05 p.m.

2 stops32h 40m

Lihue

Fri 10/10

1:20 p.m.-1:09 p.m.

3 stops17h 49m

C$ 1,300

MontrealLihue

YUL - LIH

YULLIH

Montreal Pierre Elliott Trudeau Intl

Wed 6/8

4:55 p.m.-11:58 a.m.

3 stops25h 03m

Lihue

Sat 23/8

1:13 p.m.-1:21 p.m.

3 stops18h 08m

C$ 1,580

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 16 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 12 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 12 May 2025.
To help decide which airline to fly from Ontario to Kaua'i, see what other customers have to say about Alaska Airlines, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Boarding

8.1

Overall

8.0

Crew

8.5

Comfort

7.9

Entertainment

7.1

Food

7.1

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$ 568), Air Canada (C$ 648), and American Airlines (C$ 665).

  • 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 12 May 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 569AverageC$ 1,026FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 738AverageC$ 1,049FlexibilityNo 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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