In general, when looking for the cheapest flight to Perth, try to choose a flight departing in May for the best deal.
From most locations, to find the best deals on airfare, our data shows that users booking 56 days before flying found the cheapest flight to Perth.
From most locations, the cheapest flights to Perth are found on a Wednesday. Booking a Saturday departure is usually the most expensive.
Typically, cheap prices to Perth are most often found for midday flights. Cheap prices are less likely for afternoon flights.