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 Edmonton - Islip Long Island or Ottawa - 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.

$208+ Cheap Flights from Canada to Islip, NY

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Cheap flight deals from Canada to Islip

Most accurate provider	Gotogate 3 stars
Most trusted provider	Gotogate 3 stars
Popular in	December
Cheapest in	May
Average price	$252

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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Highest demand for flights based on searches. 4% potential increase in price ($11 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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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 octobre 30, 2025.

ven. 11/1412:50 pmYYZ - ISP

1 stop21h 47mMultiple Airlines

Deal found 10/28

$208

sam. 12/139:15 pmYVR - ISP

3 stops37h 30mMultiple Airlines

Deal found 10/29

$240

Fly from

Fly to

Route

Depart

Return

Price

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

ven. 11/14

12:50 pm-10:37 am

1 stop21h 47m

$208

VancouverIslip

YVR - ISP

YVRISP

Vancouver Intl

sam. 12/13

9:15 pm-1:45 pm

3 stops37h 30m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 March is currently the most expensive (average of $147). 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 Edmonton - Islip Long Island or Ottawa - 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 March is currently the most expensive (average of $147). 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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$208+ 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 11/14. 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

Keep the following information in mind while searching for Canada to Islip flight deals. Data was last updated octobre 30, 2025.

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Most trusted provider

Popular in

Cheapest in

Average price

Find flight deals from Canada to Islip

One-way flights from Canada to IslipSearch for one-way flight options from Canada to Islip. Find affordable one-way fares based on user searches. Data last updated octobre 30, 2025.

Search for one-way flight options from Canada to Islip. Find affordable one-way fares based on user searches. Data last updated octobre 30, 2025.

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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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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 octobre 30, 2025.