Flights from Montreal to Islip Starting at £85

We've found these cheap flights for you. You can book one-way or return flight tickets.

Round-trip
One way

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Montreal to Islip

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Cheapest flights

From price

16 23
23 30
Apr

30 6
6 13
13 20
20 27
May

27 4
4 11
11 18
18 25
Jun

25 1
1 8

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

When are flight tickets from Montreal (YMQ) to Islip (ISP) the cheapest?

Airlines adjust prices for flights from Montreal to Islip based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much are flights from Montreal (YMQ) to Islip (ISP) cost?

According to Trip.com's data, the lowest price is around £223.
What is the transportation method from the main airport to downtown in Islip?
- The distance from Long Island Macarthur Airport to downtown is about 11km, by taxi about 30 minutes.
How many airports in Islip (ISP)?

There are 1 airport(s) in Islip (ISP): Long Island Macarthur Airport.

How to find a cheap flight from Montreal to Islip

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Montreal to Islip. Book your flights at the right time and save more.

Be flexible with your travel dates to get the cheapest flight from Montreal to Islip.

Simply tap "Date" on the flight search bar to browse through the calendar and check out airfare from Montreal to Islip over the next 6 months in 2025. If you're planning to fly within the next three months, it looks like the most affordable option is on Tue, Mar 25, with one-way flights priced at just £85.

Compare cheap flight deals from Montreal to Islip across hundreds of airlines.

With our extensive search, you can compare prices from over 500 airlines to find the cheapest flight tickets from Montreal to Islip. The cheapest airline for this route is Porter Airlines.

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Book early or wait until the last minute.

It's usually best to book early. Flight tickets are often cheapest when they're first released, typically about a year before the departure date. So, have a look online as soon as the flights you're interested in become available. If you miss the cheapest time, you might still find some good deals as the departure date gets closer.

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For the best travel flight booking experience, download the Trip.com app. You can search for cheap flights from Montreal to Islip and snag some exclusive deals just for you.

Flight Information from Montreal to Islip

Cheapest one-way flight price	£85
Off-season travel month	March
Peak season for travel	February
Flight distance	526.35km
Popular airline	American Airlines