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 is the cheapest time of day to fly from QC to ISP?

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

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

For a flight from Quebec to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.

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

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

How can I find direct flights from Quebec to Islip?

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

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

Yes. Cheapflights offers flight deals from Quebec 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.

$206+ Flights from Quebec to Islip, NY

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Find flight deals from Quebec to Islip

Cheapest flights from Quebec to Islip
Explore the most affordable flight options available from Quebec to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Wed 11/268:55 amYUL - ISP

2 stops10h 50mMultiple Airlines

Mon 12/153:55 pmISP - YUL

3 stops26h 30mMultiple Airlines

Deal found 11/24

$1,031

Last-minute flights from Quebec to Islip
Discover last-minute flight deals from Quebec to Islip. Data last updated November 26, 2025 and is based on user searches.

Wed 11/268:55 amYUL - ISP

2 stops10h 50mMultiple Airlines

Mon 12/153:55 pmISP - YUL

3 stops26h 30mMultiple Airlines

Deal found 11/24

$1,031

One-way flights from Quebec to Islip
Search for one-way flight options from Quebec to Islip. Find affordable one-way fares based on user searches. Data last updated November 26, 2025.

Sun 2/154:35 pmYUL - ISP

1 stop18h 05mMultiple Airlines

Deal found 11/25

$206

Cheap flight deals from Quebec to Islip

Popular in	December
Cheapest in	July
Average price	$293

Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in November 2025

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Fly from

Fly to

Route

Depart

Return

Price

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

4:35 pm-10:40 am

1 stop18h 05m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/25

Best time to book a flight from Quebec to Islip

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

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

Currently, June is the cheapest month in which you can book a flight from Quebec to Islip, New York (average of $132). Flying from Quebec to Islip, New York in October is currently the most expensive (average of $200). 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 Quebec?
For a flight from Quebec to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.
Can I find deals for flights from Quebec to Islip that include hotel bookings?
Yes. In addition to deals on Quebec to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Quebec to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Quebec to Islip.
Can I find deals for business class flights from Quebec to Islip?
Yes. Cheapflights offers flight deals from Quebec 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 Quebec to Islip, New York?
Currently, June is the cheapest month in which you can book a flight from Quebec to Islip, New York (average of $132). Flying from Quebec to Islip, New York in October is currently the most expensive (average of $200). 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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$206+ Cheap flights from Quebec 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Quebec to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Quebec to Islip

Cheapest flights from Quebec to IslipExplore the most affordable flight options available from Quebec to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Explore the most affordable flight options available from Quebec to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Cheap flight deals from Quebec to Islip

Keep the following information in mind while searching for Quebec to Islip flight deals. Data was last updated November 26, 2025.

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Quebec to Islip

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

Cheapflights Insights

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

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

Related info for your journey

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

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

How can I find direct flights from Quebec to Islip?

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

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

Traveling to a place near Islip?

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Cheapest flights from Quebec to Islip
Explore the most affordable flight options available from Quebec to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.