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).

How far in advance should I book a flight from Toronto to Islip, New York?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 54 days in advance, which can save you up to 64% on flights from Toronto to Islip, New York compared to booking the week you need them. Waiting 54 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $235. For sooner than that we have options available in the next 3 days from $362.

What is the cheapest month to fly from Toronto to Islip, New York?

The best pricing can be found in the month of May. Prices to Islip, New York from Toronto average $224. You can even find prices in May for less than $224, as users have found deals to Islip, New York from as low as $118. The month of December appears to be one of the more expensive times to travel to Islip, New York from Toronto. Flying in the targeted month can save you up to 16%.

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

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

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

If you book a flight to Islip from Toronto, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip. There are 0 flights from Toronto to Long Island per day from 0 different airlines.

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

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

How can I find direct flights from Toronto to Islip?

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

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

Yes. Cheapflights offers flight deals from Toronto 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.

$319+ Flights from Toronto to Islip, NY

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Cheap flight deals from Toronto to Islip

Round-trip from	$786 (Kiwi.com)
One-way from	$319 (Kiwi.com)
Popular in	December
Cheapest in	May
Average price	$234

From Toronto (YTO) to Islip Long Island

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One-way flight from Toronto (YTO) to Islip Long Island

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Highest demand for flights based on searches. 4% potential increase in price ($10 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 July 2025

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Cheapest flights from Toronto to Islip
Explore the most affordable flight options available from Toronto to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Thu 8/147:15 amYYZ - ISP

1 stop16h 32mMultiple Airlines

Sat 8/168:37 pmISP - YYZ

1 stop26h 07mMultiple Airlines

Deal found 7/30

$786

Best flights from Toronto to Islip
Discover carefully curated flight deals from Toronto to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 31, 2025.

Thu 8/147:15 amYYZ - ISP

1 stop16h 32mMultiple Airlines

Sat 8/168:37 pmISP - YYZ

1 stop26h 07mMultiple Airlines

Deal found 7/30

$786

Last-minute flights from Toronto to Islip
Discover last-minute flight deals from Toronto to Islip. Data last updated July 31, 2025 and is based on user searches.

Thu 8/147:15 amYYZ - ISP

1 stop16h 32mMultiple Airlines

Sat 8/168:37 pmISP - YYZ

1 stop26h 07mMultiple Airlines

Deal found 7/30

$786

One-way flights from Toronto to Islip
Search for one-way flight options from Toronto to Islip. Find affordable one-way fares based on user searches. Data last updated July 31, 2025.

Sun 9/148:00 pmYYZ - ISP

1 stop14h 40mMultiple Airlines

Deal found 7/31

$319

Fly from

Fly to

Route

Depart

Return

Price

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Thu 8/14

7:15 am-11:47 pm

1 stop16h 32m

Islip Long Island

Sat 8/16

8:37 pm-10:44 pm

1 stop26h 07m

$786

TorontoIslip

YYZ - ISP

YYZISP

Toronto Pearson Intl

Sun 9/14

8:00 pm-10:40 am

1 stop14h 40m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Toronto to Islip

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

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

Currently, January is the cheapest month in which you can book a flight from Toronto to Islip, New York (average of $108). Flying from Toronto to Islip, New York in November is currently the most expensive (average of $213). 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 Toronto?
If you book a flight to Islip from Toronto, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip. There are 0 flights from Toronto to Long Island per day from 0 different airlines.
Can I find deals for flights from Toronto to Islip that include hotel bookings?
Yes. In addition to deals on Toronto to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Toronto to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Islip.
Can I find deals for business class flights from Toronto to Islip?
Yes. Cheapflights offers flight deals from Toronto 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 Toronto to Islip, New York?
Currently, January is the cheapest month in which you can book a flight from Toronto to Islip, New York (average of $108). Flying from Toronto to Islip, New York in November is currently the most expensive (average of $213). 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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$319+ Cheap flights from Toronto (YTO) 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 9/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Toronto to Islip with Cheapflights

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Cheap flight deals from Toronto to Islip

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Find flight deals from Toronto to Islip

Cheapest flights from Toronto to IslipExplore the most affordable flight options available from Toronto to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

Explore the most affordable flight options available from Toronto to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

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

Best time to book a flight from Toronto to Islip

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

Cheapflights Insights

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

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

Related info for your journey

Find useful and relevant information for your journey from Toronto 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 Toronto?

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

How can I find direct flights from Toronto to Islip?

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

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

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Cheapest flights from Toronto to Islip
Explore the most affordable flight options available from Toronto to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.