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Cheap flights from Australia to Islip from $4,163

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ISP
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find flight deals from Australia to Islip

Enter your travel dates to find the best prices.

Cheapest flights from Australia to Islip
Explore the most affordable flight options available from Australia to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Sun 26/1023:55MEL - ISP
2 stops34h 50mMultiple Airlines
Sun 9/1109:59ISP - MEL
2 stops40h 16mMultiple Airlines
Deal found 15/10$4,163
Sat 29/1120:55BNE - ISP
2 stops37h 50mMultiple Airlines
Sat 6/1212:40ISP - BNE
2 stops43h 00mMultiple Airlines
Deal found 15/10$4,616

Cheap flight deals from Australia to Islip

Keep the following information in mind while searching for Australia to Islip flight deals. Data was last updated 17 October 2025.

Round-trip from

$4,616

Popular in

December

Cheapest in

November

Average price

$1,786
29/11-6/12
  • 29/11-6/12
  • 4 total stops
  • 80h 50m total
  • Australia to Islip
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($327 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($76 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Australia to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 17 October 2025.
Use the filters below to find and compare flights from Australia to Islip that are best for you.

Fly from

Australia

Fly to

Islip

Route

Depart

Return

Price

BrisbaneIslip

BNE - ISP

BNEISP

Brisbane

Sat 29/11

20:55-19:45

2 stops37h 50m

Islip Long Island

Sat 6/12

12:40-22:40

2 stops43h 00m

$4,616

BrisbaneIslip

BNE - ISP

BNEISP

Brisbane

Thu 26/2

00:30-11:04

2 stops49h 34m

Islip Long Island

Tue 10/3

12:40-23:00

2 stops44h 20m

$12,993

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Best time to book a flight from Australia to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Australia with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Australia to Islip

What is the cheapest month to book a flight from Australia to Islip?

Currently, August is the cheapest month in which you can book a flight from Australia to Islip (average of $442). Flying from Australia to Islip in April is currently the most expensive (average of $1,563). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Australia to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from Australia?

    If you book a flight to Islip from Australia, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 11.6 km from the centre of Islip.

  • Can I find deals for flights from Australia to Islip that include hotel bookings?

    Yes. In addition to deals on Australia to Islip flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Australia to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Islip.

  • Can I find deals for business class flights from Australia to Islip?

    Yes. Cheapflights offers flight deals from Australia to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Australia to Islip?

    Currently, August is the cheapest month in which you can book a flight from Australia to Islip (average of $442). Flying from Australia to Islip in April is currently the most expensive (average of $1,563). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Fly with Cheapflights

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How does Cheapflights help users find flights from Australia to Islip?

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Why should you use Cheapflights to find cheap flight tickets from Australia to Islip?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Islip from Australia.

Can Cheapflights find flights from Australia to Islip with no change fees?

Yes, we can. To see specific flights from Australia to Islip with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Australia to Islip become cheaper?

Yes! Start tracking prices for Australia to Islip flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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