Cheap Flights from Sydney (SYD) to Islip (ISP)

Popular airlines from Sydney Airport (SYD) to MacArthur Airport (ISP)

Flights from Sydney (SYD) to Islip (ISP)
Origin airport
Kingsford Smith Intl.
Destination airport
MacArthur
Distance
9986 mi

Sydney to Islip Flights

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

 

The best time to book a flight from Sydney to Islip

Sunday is one of the best days to book for cheap flights from Sydney 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 Sydney 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 Sydney 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 Sydney 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 Sydney 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 Kingsford Smith Intl. Airport (SYD) to MacArthur Airport (ISP) cost?
Lock in a cheap one-way flight or cheap return flight from Kingsford Smith Intl. Airport (SYD) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Kingsford Smith Intl. Airport (SYD) to MacArthur Airport (ISP)?
is the most affordable month to fly from SYD to ISP. Traveling during an off-peak travel window is often the key to better flight prices.
What is the cheapest airline that flies from Kingsford Smith Intl. Airport (SYD) to MacArthur Airport (ISP)?
To find the cheapest airline flying from SYD to ISP, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to MacArthur Airport (ISP)?
You'll need to take a flight with a layover when traveling from Kingsford Smith Intl. Airport (SYD) to MacArthur Airport (ISP). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from SYD to ISP?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on a range of factors, including the season 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 Kingsford Smith Intl. Airport (SYD) to MacArthur Airport (ISP)?
To touch down at MacArthur Airport (ISP) without delays, pick a flight that leaves Kingsford Smith Intl. Airport (SYD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Kingsford Smith Intl. Airport (SYD) to MacArthur Airport (ISP) last-minute?
Waiting until right before your break to book your flight from SYD to ISP often results in higher prices. While you may come across some last-minute discounts, they aren't always guaranteed. Keep your travel plans flexible for the best chance of scoring a bargain.
Is it cheaper to book a SYD to ISP flight and hotel package?
Compared with arranging flights and hotels separately, booking a SYD to ISP flight and hotel package with Expedia could lead to significant savings. Better yet, managing everything in one place takes the hassle out of travel planning. Just secure your flights and choose from our wide range of hotels, then tailor your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to MacArthur Airport (ISP)?
If you booked your SYD to ISP flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket 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.