Cheap flights from London to Perth from £429

The month of May is another great option to travel to Perth, with average flight prices from London averaging around £1,015.

On average, the least expensive day to fly to Perth from London is on a Monday. momondo users have found tickets for Monday departures for as low as £1,434. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Perth is Wednesday, with ticket prices averaging around £1,504.

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 £1,170 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 for as low as £1,032 on momondo.

There are 3 cabin classes 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 2% on your flight if you consider stops on a London to Perth flight.

SWISS, Turkish Airlines, and Singapore Airlines are the most popular carriers operating from London to Perth

Qantas Airways, Singapore Airlines and Malaysia Airlines are the top three most popular airlines that fly to Perth from London according to our data. Qantas Airways is the first choice among our users, with 37% 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 21% 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 133 minutes.

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

Friday 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 have had the fewest delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.

Singapore (SIN) was the most common stop: 26% of momondo users choosing one-stop flights on this route connected there.

Flights via Abu Dhabi (AUH) offer the lowest average return price of £507.

Flights connecting via Abu Dhabi (AUH) have the shortest average one-way travel time: 14h 53m.

Abu Dhabi (AUH) has the shortest average stopover time for this route: 1h 21m.

1 flights are operational daily from London to Perth as of March 2026. The most popular departure time for this route is 11:00, with 100% of flights per day taking off at midday.

The number of flights available between London and Perth is 7 per week as of March 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.