Cheap flights from London to Perth from C$ 1,110

In general, May is the cheapest month to fly from London to Perth. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 2,063. If you aren’t able to travel during the month of May, then book flights to Perth from London during September instead. Flights to Perth in September, while not as cheap as those in May, still average around C$ 2,108.

Fly from London Heathrow to Perth for the best London - Perth flight prices

You are more likely to see cheaper flights to Perth from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Perth for around C$ 2,347 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Perth from London for as low as C$ 2,164 on momondo.

There is only 1 cabin class available to choose from on London to Perth flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 72% on your flight if you consider stops on a London to Perth flight.

As of July 2026, prices for London to Perth flights are approximately 11% more expensive when compared to flights at the same time last year.

Historically, on average around 25% of flights between London and Perth have experienced a delay on any given week. The average delay length over the past 12 months has been 129 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

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

According to our data, Qantas Airways has had the least delays on this route over the last 12 months, with about 25% of their flights experiencing any sort of delay.

As of July 2026, 1 flights take off from London and land in Perth each day. The most common flight departure time for this route is 11:00a.m., with 100% of daily flights taking off at noon.

As of July 2026, 7 flights take off from London and land in Perth each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.