Most travellers find the cheapest return flights to Perth when choosing a flight departing in March.
In general, most flyers find the cheapest time to book a flight to Perth is about 49 days prior.
Most of our users find that booking their departure to Perth on a Monday is the cheapest. Conversely, departing on a Saturday seems to be the most expensive.
Our data shows that the cheapest Perth flights are usually those with midday departure times. morning flights are often costlier.