$10,578+ Cheap flights from Islip, NY (ISP) to Australia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — SYD
Jan 13 — Jan 201
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Islip to Australia
Best flights from Islip to AustraliaDiscover carefully curated flight deals from Islip to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.
Discover carefully curated flight deals from Islip to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 14, 2025.
This oojo deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2712:30 pmISP - MEL
2 stops42h 30mMultiple Airlines
Tue 2/33:35 pmMEL - ISP
2 stops59h 30mMultiple Airlines
Deal found 12/13![Multiple Airlines logo]()
$10,578
This oojo deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/2812:30 pmISP - SYD
2 stops40h 20mMultiple Airlines
Wed 2/410:20 pmSYD - ISP
2 stops52h 45mMultiple Airlines
Deal found 12/14![Multiple Airlines logo]()
$10,585
Find flight deals from Islip to Australia
Keep the following information in mind while searching for Islip to Australia flight deals. Data was last updated December 14, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | Gurufare 3 stars |
Round-trip from | $10,578 (oojo) |
Popular in | December |
Cheapest in | February |
Average price | $1,941 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Australia 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 2,558,603 searches. Data last updated December 14, 2025.
Use the filters below to find and compare flights from Islip to Australia that are best for you.
Fly from
Islip
Fly to
Australia
Route
Depart
Return
Price
IslipMelbourne
ISP - MEL
ISPMEL
Islip Long Island
Tue 1/27
12:30 pm-11:00 pm
2 stops42h 30m
Melbourne
Tue 2/3
3:35 pm-11:05 am
2 stops59h 30m
$10,578
IslipSydney
ISP - SYD
ISPSYD
Islip Long Island
Wed 1/28
12:30 pm-8:50 pm
2 stops40h 20m
Sydney Kingsford Smith
Wed 2/4
10:20 pm-11:05 am
2 stops52h 45m
$10,585
Best time to book a flight from Islip to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Islip with our price prediction graph.
Estimated round-trip 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 Islip to Australia
What is the cheapest month to book a flight from Islip, New York to Australia?
Currently, February is the cheapest month in which you can book a flight from Islip, New York to Australia (average of $154). Flying from Islip, New York to Australia in July is currently the most expensive (average of $1,006). 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.