$481 Cheap Flights from Toronto (YYZ) to Islip (ISP)

View $481 flight on Tue, May 20, 2025Opens in a new window

Popular airlines from Toronto Pearson Intl. Airport (YYZ) to MacArthur Airport (ISP)

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Find available prices by choosing your travel dates.

Cheap Flights from Toronto to Islip (YYZ-ISP)

Prices were available within the past 7 days and start at $481 for one-way flights and $689 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines
Fri, Jun 6 - Fri, Jun 13
YYZ
Toronto
ISP
Islip
$689 Roundtrip, found 4 days ago
$689
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Fri, Jun 6 from Toronto to Islip, returning Fri, Jun 13, priced at $689 found 4 days ago
Porter Airlines
Fri, Jun 6 - Fri, Jun 13
YYZ
Toronto
ISP
Islip
$717 Roundtrip, found 4 days ago
$717
Roundtrip
found 4 days ago
Select Porter Airlines flight, departing Fri, Jun 6 from Toronto to Islip, returning Fri, Jun 13, priced at $717 found 4 days ago
Porter Airlines
Wed, Jun 18 - Fri, Jun 20
YYZ
Toronto
ISP
Islip
$739 Roundtrip, found 3 days ago
$739
Roundtrip
found 3 days ago
Select Porter Airlines flight, departing Wed, Jun 18 from Toronto to Islip, returning Fri, Jun 20, priced at $739 found 3 days ago
Porter Airlines
Wed, Jun 18 - Fri, Jun 20
YYZ
Toronto
ISP
Islip
$768 Roundtrip, found 3 days ago
$768
Roundtrip
found 3 days ago
Select Porter Airlines flight, departing Wed, Jun 18 from Toronto to Islip, returning Fri, Jun 20, priced at $768 found 3 days ago
Porter Airlines
Sun, Jun 29 - Mon, Jun 30
YYZ
Toronto
ISP
Islip
$786 Roundtrip, found 6 days ago
$786
Roundtrip
found 6 days ago
Select Porter Airlines flight, departing Sun, Jun 29 from Toronto to Islip, returning Mon, Jun 30, priced at $786 found 6 days ago
Porter Airlines
Sun, Jun 29 - Mon, Jun 30
YYZ
Toronto
ISP
Islip
$815 Roundtrip, found 6 days ago
$815
Roundtrip
found 6 days ago
Select Porter Airlines flight, departing Sun, Jun 29 from Toronto to Islip, returning Mon, Jun 30, priced at $815 found 6 days ago
Flights from Toronto (YYZ) to Islip (ISP)
Origin airport
Pearson Intl.
Destination airport
MacArthur
Roundtrip price
$688
Distance
388 mi

Toronto to Islip Flights

The cheapest times to fly from Toronto to Islip

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Toronto to Islip are during the month of June. You can find some of the cheapest flights from Toronto to Islip with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Toronto to Islip

Sunday is one of the best days to book for cheap flights from Toronto to Islip: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Toronto to Islip

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Toronto to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from $481 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Toronto to Islip flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Toronto to Islip airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Pearson Intl. Airport (YYZ) to MacArthur Airport (ISP) cost?
Discover the latest flight deals from YYZ to ISP by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from YYZ to ISP?
The cheapest flights from YYZ to ISP are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from YYZ to ISP?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from YYZ to ISP. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Pearson Intl. Airport (YYZ) to MacArthur Airport (ISP)?
There are no daily nonstop flights from Pearson Intl. Airport (YYZ) to MacArthur Airport (ISP). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you’ll be on your way before you know it.
What day of the week has the most flights from YYZ to ISP?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pearson Intl. Airport (YYZ) to MacArthur Airport (ISP)?
To avoid potential delays on the Pearson Intl. Airport (YYZ) to MacArthur Airport (ISP) route, fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Islip from Pearson Intl. Airport (YYZ)?
You can touch down at LaGuardia Airport (LGA) or John F. Kennedy Intl. Airport (JFK) when you travel to Islip on a direct flight from Pearson Intl. Airport (YYZ).
Is it cheaper to buy a plane ticket from Pearson Intl. Airport (YYZ) to MacArthur Airport (ISP) last-minute?
Waiting until just before your departure to book your flight from YYZ to ISP generally means paying more. While you may come across some last-minute discounts, they’re not always guaranteed. Keep your travel plans flexible for the best chance of getting a bargain.
Is it cheaper to book a YYZ to ISP flight and hotel package?
You’ll typically save money by securing a YYZ to ISP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage it all in one place. Once you’ve selected your preferred accommodations and flights, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Pearson Intl. Airport (YYZ) to MacArthur Airport (ISP)?
If you booked your YYZ to ISP flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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*Available to One Key members.