Cheap flights from Perth to Sydney from £125

In general, May is the cheapest month to fly from Perth to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £251. If you don’t want to visit Sydney in May, then you should wait until August to fly from Perth, when ticket prices are also cheap, with an average price of £264.

The cheapest day to depart on your flight to Sydney is on a Monday when prices can be found for as low as £332. This is often the case because there is less demand to fly during this day of the week. On the other hand, Tuesday is the most expensive day to depart from Perth because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £605.

According to our data, the cheapest time of day to fly to Sydney is at midday. momondo users have found flights departing from Perth to Sydney at midday for as low as £300. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Sydney, so prices are often more expensive at around £389 per ticket.

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You are more likely to see cheaper flights to Sydney from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around £292 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Perth for as low as £249 on momondo.

There are 3 cabin classes available to choose from on Perth to Sydney flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 15% of flights between Perth and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 108 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Virgin Australia have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

As of August 2026, there are 49 flights per day flying from Perth to Sydney. The most common time of day flights depart is 10:00, with 46% of flights taking off at midday.

347 flights are operational weekly from Perth to Sydney as of August 2026. The most popular departure day for this route is Fri, with 23% of flights per week taking off on this day.