Question 1

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York?

Accepted Answer

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York (average of $108). Flying from Montreal Pierre Elliott Trudeau Intl Airport 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.

Question 2

E

Accepted Answer

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.

Question 3

E

Accepted Answer

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).

Question 4

How far in advance should I book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York?

Accepted Answer

To save up to 61% on this flight, we recommend booking at least 43 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York from $275 1-2 weeks out and tickets from $432 for flights departing within the next 72 hours.

Question 5

What is the cheapest month to fly from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York?

Accepted Answer

June is one of the best times of the year to fly to Islip, New York from Montreal Pierre Elliott Trudeau Intl Airport. Prices for June average $268 per person but you can even find prices for as low as $161. The most expensive prices can be found in the month of December. Opting for a June flight can save you 18% on your journey compared to booking in December

Question 6

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

Accepted Answer

When flying from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Question 7

What airport do you fly into for flights to Islip from Montreal Pierre Elliott Trudeau Intl?

Accepted Answer

Located just 7.2 mi from the city center, Islip Long Island is the airport most travelers will use when flying to Islip from Montreal Pierre Elliott Trudeau Intl. Booking flights from Montreal Pierre Elliott Trudeau Intl to Long Island (ISP) should be relatively easy as there are 0 daily inbound flights from Montreal Pierre Elliott Trudeau Intl from 0 different airlines.

Question 8

Can I find deals for flights from Pierre Elliott Trudeau Intl to Islip that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Pierre Elliott Trudeau Intl to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 9

How can I find direct flights from Pierre Elliott Trudeau Intl to Islip?

Accepted Answer

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

Question 10

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Islip?

Accepted Answer

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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.

Popular in	December
Cheapest in	June
Average price	$272

$1,201+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Islip, NY (ISP)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Pierre Elliott Trudeau Intl to IslipExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

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What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York?

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl?

Can I find deals for flights from Pierre Elliott Trudeau Intl to Islip that include hotel bookings?

How can I find direct flights from Pierre Elliott Trudeau Intl to Islip?

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Islip?

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York?

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Cheapest flights from Pierre Elliott Trudeau Intl to Islip
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.