Cheap Flights from Ottawa (YOW) to Islip (ISP)

Popular airlines from Ottawa International Airport (YOW) to MacArthur Airport (ISP)

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Flights from Ottawa (YOW) to Islip (ISP)
Origin airport
Macdonald-Cartier Intl.
Destination airport
MacArthur
Distance
338 mi

Ottawa to Islip Flights

The cheapest times to fly from Ottawa 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 Ottawa to Islip are during the month of . You can find some of the cheapest flights from Ottawa to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ottawa to Islip

Sunday is one of the best days to book for cheap flights from Ottawa 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 Ottawa 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 Ottawa to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Ottawa 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 Ottawa 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 Macdonald-Cartier Intl. Airport (YOW) to MacArthur Airport (ISP) cost?
Secure a cheap one-way flight or cheap return flight from Macdonald-Cartier Intl. Airport (YOW) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Macdonald-Cartier Intl. Airport (YOW) to MacArthur Airport (ISP)?
The cheapest month to fly from YOW to ISP is , when there's less demand. Off-peak season is usually when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Macdonald-Cartier Intl. Airport (YOW) to MacArthur Airport (ISP)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest YOW to ISP flight.
How many flights per day from Macdonald-Cartier Intl. Airport (YOW) to MacArthur Airport (ISP)?
Nonstop flights from Macdonald-Cartier Intl. Airport (YOW) to MacArthur Airport (ISP) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from YOW to ISP?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Macdonald-Cartier Intl. Airport (YOW) to MacArthur Airport (ISP)?
Choose a flight from Macdonald-Cartier Intl. Airport (YOW) to MacArthur Airport (ISP) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures are on average 22% more likely to be 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.
Is it cheaper to buy a plane ticket from Macdonald-Cartier Intl. Airport (YOW) to MacArthur Airport (ISP) last-minute?
Booking your plane ticket from YOW to ISP right before your journey is generally more expensive. But if you're flexible with your departure times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a YOW to ISP flight and hotel package?
Compared with arranging hotels and flights separately, booking a YOW to ISP flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the stress out of planning your trip. Just secure your flights and select from our wide range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to MacArthur Airport (ISP)?
If you reserved your YOW to ISP flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type 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, head to our Customer Service portal for more information.

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