$1,874+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Islip to Australia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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
Keep the following information in mind while searching for Islip to Australia flight deals. Data was last updated March 28, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,874 (Qatar Airways) |
Popular in | December |
Cheapest in | February |
Average price | $1,289 |
Find flight deals from Islip to Australia
Cheapest flights from Islip to AustraliaExplore the most affordable flight options available from Islip to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.
Explore the most affordable flight options available from Islip to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.
This Qatar Airways deal was found by Cheapflights users on 3/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 March 28, 2025.
Use the filters below to find and compare flights from Islip to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
IslipSydney
ISP - SYD
ISPSYD
Islip Long Island
Mon 8/4
6:00 am-5:10 pm
2 stops45h 10m
Sydney Kingsford Smith
Tue 8/12
8:45 pm-9:15 pm
2 stops38h 30m
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.
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, March is the cheapest month in which you can book a flight from Islip, New York to Australia (average of $1,044). Flying from Islip, New York to Australia in December is currently the most expensive (average of $1,643). 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.
Rainfall in Australia by month
Plan your trip to Australia by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.
Temperature in Australia by month
Plan your trip to Australia by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).