We get that travel plans can change in a flash, so booking a flexible ticket with Expedia is a wise idea. Simply check the “No change fee” box under the “Flexible change policies” filter. Your low-cost, flexible flight to Australia is only a few clicks away.

With a great selection of airlines operating flights into or near Australia, the choice is all yours:

• Qantas - 173 flights to or near Australia each month, including 99 flights to Kingsford Smith Intl. Airport (SYD) per month.
• United Airlines - 117 flights to or near Australia each month, including 60 flights to Kingsford Smith Intl. Airport (SYD) per month.
• American Airlines - 30 flights to or near Australia each month, including 30 flights to Kingsford Smith Intl. Airport (SYD) per month.

Book well ahead of time, consider nearby airports, use miles or points — there are lots of ways! Another one is to make use of Expedia’s “flexible dates” function. Search for an Australia flight, then check out the prices for nearby dates. In the last seven days, the lowest price for a flight to Australia was S$323.

If you were travelling one way from Singapore (SIN), you could’ve picked up a low-cost fare for S$160 in the last seven days. Round-trip flights to Australia ranged from S$323 to S$323 during this same period.

Which airport you land at in Australia will depend on where you jet off from and where you’re headed. Here is a list of the most popular airports in this region:

• Kingsford Smith Intl. Airport (SYD) - 256 flights per month.
• Tullamarine Airport (MEL) - 95 flights per month.
• Brisbane Airport (BNE) - 43 flights per month.

Try to jet off early in the week to nab the best airfare to Australia. Tuesday is usually the most affordable day to take off, followed by Monday. Saturday often has the most expensive prices. This is because lots of people like to start their getaway on a weekend.

In the last seven days, plane tickets varied between S$323 and S$323. Swipe through our awesome deals to Australia, make a booking and then start packing your bags.

If you adore sunshine and summer weather, head for Sydney after December 1. At this time of year, temperatures usually range between 18ºC and 27ºC in this major Australia city. August, September and October are the busiest months to travel and when loads of activities and events are happening.

February is a good month to secure a terrific deal to Australia. Be aware that the most expensive time to book a seat in the U.S. Isn’t during the peak of summer, but the month of December.