Planning vacations ahead of time will usually seal the deal for a good bargain, but once in a while, a last-minute trip makes the perfect worth-while surprise.Right now Qantas Airways is offering flights to Melbourne, Sydney and Brisbane for up to 55 percent off.Take advantage of Australia’s winter climate and cruise the ski slopes in the southern part of the country, or scuba dive the mild waters of the Great Barrier Reef on the northern side. Whatever you decide, the full Aussie experience awaits you.Sample fares are one-way and subject to additional taxes and fees.  Round-trip ticket purchase required.

Los Angeles flights from $339
New York flights from $439
San Francisco flights from $339

Book your trip with Expedia by June 30 for travel dates from July 31- Aug. 31.