YUL - ISP

$313 Find Cheap Flights from Montreal to Islip - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest one-way
$313
Typical prices: $504-$504
Multiple Airlines
Sun 10/28
YUL - ISP • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Islip!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Montreal to Islip (YUL-ISP)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Montreal to Islip

Fri, Nov 13 - Sun, Nov 15
Multiple Airlines Logo
6:45 am - 9:37 pmYUL  Montreal Pierre Elliott Trudeau Intl-ISP Islip Long Island
14h 52m2 stops Toronto Pearson Intl Fort Lauderdale
Multiple Airlines Logo
6:00 am - 4:25 pmISP  Islip Long Island-YUL Montreal Pierre Elliott Trudeau Intl
10h 25m1 stop Fort Lauderdale
$1,132Multiple Airlines
Fri, Nov 13 - Sun, Nov 15
Multiple Airlines Logo
6:45 am - 9:37 pmYUL  Montreal Pierre Elliott Trudeau Intl-ISP Islip Long Island
14h 52m2 stops Toronto Pearson Intl Fort Lauderdale
Multiple Airlines Logo
6:00 am - 7:15 pmISP  Islip Long Island-YUL Montreal Pierre Elliott Trudeau Intl
13h 15m2 stops Fort Lauderdale Toronto Pearson Intl
$1,403Multiple Airlines
Booking Insights

Price, demand and travel trends for Montreal Pierre Elliott Trudeau Intl Airport to Islip flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Montreal Pierre Elliott Trudeau Intl Airport to Islip with more confidence.

What is the cheapest layover airport when flying from Montreal Pierre Elliott Trudeau Intl Airport to Islip?

Flights via Boston Logan Intl (BOS) offer the most affordable fares, with an average round-trip price of $2,222. Based on KAYAK data over the past 3 months.

When flying from Montreal Pierre Elliott Trudeau Intl Airport to Islip which airport offers the shortest layover?

Boston Logan Intl (BOS) had the shortest average connection time for Montreal Pierre Elliott Trudeau Intl Airport to Islip layovers at 201 minutes over the past 3 months.

Find deals

Key details for Montreal Pierre Elliott Trudeau Intl Airport to Islip flights

Cheapest flight

$313
Flight from Montreal Pierre Elliott Trudeau Intl Airport to Islip

When to book flights from Montreal to Islip

Are your dates flexible? Find out the best times to travel from Montreal to Islip based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Montreal Pierre Elliott Trudeau Intl Airport to Islip flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Montreal Pierre Elliott Trudeau Intl Airport to Islip?

    Flights from Montreal Pierre Elliott Trudeau Intl Airport to Islip usually depart from Montreal Pierre Elliott Trudeau Intl (YUL) and arrive at Islip Long Island (ISP).

  • Which airports do connecting flights from Montreal Pierre Elliott Trudeau Intl Airport to Islip pass through?

    Most connecting flights from Montreal Pierre Elliott Trudeau Intl Airport to Islip pass through Boston Logan Intl (BOS), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Do I need a passport to fly from Montreal Pierre Elliott Trudeau Intl Airport to Islip?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Islip changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $1,132 to $1,403. That means the highest observed fare was about 23% higher than the lowest one.

  • How are flight prices from Montreal Pierre Elliott Trudeau Intl Airport to Islip looking right now?

    One-way fares from Montreal Pierre Elliott Trudeau Intl Airport to Islip are currently lower than usual. Average one-way flight prices are about $331, which is 35% below the typical average for this route.

  • What car rental options are available at Islip Long Island Airport (ISP)?

    Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates starting from around $36 for economy cars. Top options include:
    • Budget
    • Enterprise Rent-A-Car
    • Avis
    • National
    • Empire Rent A Car

More options for your flight from Montreal to Islip

Complete your trip to Islip with a hotel stay or car rental

Car rentals in Islip
Hotels in Islip