Cheap Flights from Newcastle (NTL) to Islip (ISP)

Popular airlines from Newcastle, NSW (NTL-Williamtown) to MacArthur Airport (ISP)

Frequently asked questions

How much does a flight from Williamtown Airport (NTL) to MacArthur Airport (ISP) cost?
Grab a cheap one-way flight or cheap return flight from Williamtown Airport (NTL) 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 Williamtown Airport (NTL) to MacArthur Airport (ISP)?
Flying in is a great way to save, as it's the cheapest month for flights between NTL and ISP. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Williamtown Airport (NTL) to MacArthur Airport (ISP)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from NTL to ISP. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Williamtown Airport (NTL) to MacArthur Airport (ISP)?
Nonstop flights from Williamtown Airport (NTL) 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 travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from NTL to ISP?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Williamtown Airport (NTL) to MacArthur Airport (ISP)?
To avoid possible delays on the Williamtown Airport (NTL) to MacArthur Airport (ISP) route, aim to fly before 3 PM. Flights 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.
Is it cheaper to buy a plane ticket from Williamtown Airport (NTL) to MacArthur Airport (ISP) last-minute?
Last-minute bookings from NTL to ISP are typically more expensive. To secure the lowest prices, start searching for flights well ahead of time. That said, if you're flexible with your travel dates, it's possible to find a cheap ticket just before your departure.
Is it cheaper to book a NTL to ISP flight and hotel package?
Booking a NTL to ISP flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Williamtown Airport (NTL) to MacArthur Airport (ISP)?
If you reserved your NTL to ISP flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Origin airport
Williamtown
Destination airport
MacArthur
Distance
9918 mi

Book with confidence

Newcastle to Islip Flights

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

 

The best time to book a flight from Newcastle to Islip

Sunday is one of the best days to book for cheap flights from Newcastle 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 Newcastle 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 Newcastle 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 Newcastle 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 Newcastle 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.

 

Newcastle to Islip Flights

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*Available to One Key members.