Cheap flights from London Heathrow Airport to Perth from £422

The month of November is another great option to travel to Perth, with average flight prices from London Heathrow Airport averaging around £1,135.

On average, the least expensive day to fly to Perth from London Heathrow Airport is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as £1,360. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Perth is Sunday, with ticket prices averaging around £1,440.

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

You are more likely to see cheaper flights to Perth from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Perth for around £1,239 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Perth from London Heathrow Airport for as low as £1,155 on momondo.

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

As of September 2026, prices for London Heathrow Airport to Perth flights are approximately 0% more expensive when compared to flights at the same time last year.

Etihad Airways and British Airways are the most popular carriers operating from London Heathrow to Perth

Qantas Airways, Cathay Pacific and Singapore Airlines are the top three most popular airlines that fly to Perth from London Heathrow Airport according to our data. Qantas Airways is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Perth. Keep in mind that there are 14 different airlines that fly to Perth on a routine basis, so you have a few additional options to choose from.

Historically, on average around 23% 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 114 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights departing in the morning 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. Monday has historically seen more delays on average compared to the rest of the week.

According to our data, Qantas Airways have had the fewest delays on this route over the last 12 months, with about 23% of their flights experiencing any sort of delay.

Hong Kong (HKG) was the most common stop: 27% of momondo users choosing one-stop flights on this route connected there.

Flights via Abu Dhabi (AUH) offer the lowest average return price of £624.

Flights connecting via Abu Dhabi (AUH) have the shortest average one-way travel time: 15h 25m.

Singapore (SIN) has the shortest average stopover time for this route: 1h 48m.

The number of flights available between London Heathrow Airport and Perth is 1 per day as of September 2026. The most frequent departure time is 11:00, with 100% of daily flights leaving at midday.

7 flights are operational weekly from London Heathrow Airport to Perth as of September 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.