In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular routes from Canada to Islip, New York?

While some choose either Toronto Pearson Intl - Islip Long Island or Edmonton - Islip Long Island, Montreal Pierre Elliott Trudeau Intl - Islip Long Island is the most popular route from Canada to Islip, New York.

What is the cheapest time of day to fly from CA to ISP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Canada to Islip, New York as you normally would.

What airport do you fly into for flights to Islip from Canada?

Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from Canada to Islip.

Can I find deals for flights from Canada to Islip that include hotel bookings?

Yes. In addition to deals on Canada to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Canada to Islip?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Canada to Islip.

Can I find deals for business class flights from Canada to Islip?

Yes. Cheapflights offers flight deals from Canada to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$200+ Flights from Canada to Islip, NY

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1. Tell us where you want to go

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Cheap flight deals from Canada to Islip

Best flights from Canada to Islip
Discover carefully curated flight deals from Canada to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Thu 1/157:10 amYYZ - ISP

1 stop11h 53mMultiple Airlines

Sun 1/187:58 pmISP - YYZ

1 stop18h 22mMultiple Airlines

Deal found 12/16

$229

Fri 1/167:10 amYYZ - ISP

1 stop12h 59mMultiple Airlines

Sun 1/187:58 pmISP - YYZ

1 stop18h 22mMultiple Airlines

Deal found 12/17

$247

Last-minute flights from Canada to Islip
Discover last-minute flight deals from Canada to Islip. Data last updated December 18, 2025 and is based on user searches.

Thu 1/157:10 amYYZ - ISP

1 stop11h 53mMultiple Airlines

Sun 1/187:58 pmISP - YYZ

1 stop18h 22mMultiple Airlines

Deal found 12/16

$229

Fri 1/167:10 amYYZ - ISP

1 stop12h 59mMultiple Airlines

Sun 1/187:58 pmISP - YYZ

1 stop18h 22mMultiple Airlines

Deal found 12/17

$247

One-way flights from Canada to Islip
Search for one-way flight options from Canada to Islip. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sat 1/318:00 amYUL - ISP

3 stops27h 15mMultiple Airlines

Deal found 12/17

$200

Fri 1/303:55 pmYUL - ISP

1 stop27h 00mMultiple Airlines

Deal found 12/17

$225

Thu 12/257:00 amYUL - ISP

2 stops32h 20mMultiple Airlines

Deal found 12/15

$583

Find flight deals from Canada to Islip

Most accurate provider	Justfly.com 3 stars
Most trusted provider	Justfly.com 3 stars
Round-trip from	$229 (Lucky2Go)
One-way from	$200 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$271

Provider with most accurate pricing for Toronto (YTO)-New York (NYC) flight deals.

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Provider most trusted by Cheapflights users for Toronto (YTO)-New York (NYC) flights.

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From Canada to Islip Long Island

Search Deals

One-way flight from Canada to Islip Long Island

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($23 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Thu 1/15

7:10 am-7:03 pm

1 stop11h 53m

Islip Long Island

Sun 1/18

7:58 pm-2:20 pm

1 stop18h 22m

$229

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Fri 1/16

7:10 am-8:09 pm

1 stop12h 59m

Islip Long Island

Sun 1/18

7:58 pm-2:20 pm

1 stop18h 22m

$247

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Sat 1/31

8:00 am-11:15 am

3 stops27h 15m

$200

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Fri 1/30

3:55 pm-6:55 pm

1 stop27h 00m

$225

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Thu 12/25

7:00 am-3:20 pm

2 stops32h 20m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Best time to book a flight from Canada to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Canada 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 Canada to Islip

What is the cheapest month to book a flight from Canada to Islip, New York?

Currently, September is the cheapest month in which you can book a flight from Canada to Islip, New York (average of $67). Flying from Canada to Islip, New York in December is currently the most expensive (average of $169). 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

What airport do you fly into for flights to Islip from Canada?
Islip Long Island (ISP), located 7.2 mi from the city center, is the airport you fly into when you book flights from Canada to Islip.
What are the most popular routes from Canada to Islip, New York?
While some choose either Toronto Pearson Intl - Islip Long Island or Edmonton - Islip Long Island, Montreal Pierre Elliott Trudeau Intl - Islip Long Island is the most popular route from Canada to Islip, New York.
Can I find deals for flights from Canada to Islip that include hotel bookings?
Yes. In addition to deals on Canada to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Canada to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Canada to Islip.
Can I find deals for business class flights from Canada to Islip?
Yes. Cheapflights offers flight deals from Canada to Islip 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 Canada to Islip, New York?
Currently, September is the cheapest month in which you can book a flight from Canada to Islip, New York (average of $67). Flying from Canada to Islip, New York in December is currently the most expensive (average of $169). 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.

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$200+ Cheap flights from Canada to Islip, NY (ISP)

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Canada to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Canada to Islip

Best flights from Canada to IslipDiscover carefully curated flight deals from Canada to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Discover carefully curated flight deals from Canada to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Find flight deals from Canada to Islip

Keep the following information in mind while searching for Canada to Islip flight deals. Data was last updated December 18, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Canada to Islip that are best for you.

Best time to book a flight from Canada to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Canada with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Canada to Islip

What is the cheapest month to book a flight from Canada to Islip, New York?

Related info for your journey

Find useful and relevant information for your journey from Canada to Islip. 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 into for flights to Islip from Canada?

What are the most popular routes from Canada to Islip, New York?

Can I find deals for flights from Canada to Islip that include hotel bookings?

How can I find direct flights from Canada to Islip?

Can I find deals for business class flights from Canada to Islip?

What is the cheapest month to book a flight from Canada to Islip, New York?

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Best flights from Canada to Islip
Discover carefully curated flight deals from Canada to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.