Cheap flights from London to Western Australia from £422

The cheapest month to fly to Western Australia from London is in September. Flight prices, which tend to average around £1,002, are often lower during this time because this is during the off-season. The month of May is another great option to travel to Western Australia, with average flight prices from London averaging around £1,016.

The cheapest day to depart from London to Western Australia is on a Monday when prices can be found for as low as £1,435. The most expensive day to fly to Western Australia is Wednesday, with ticket prices averaging around £1,505.

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

You are more likely to see cheaper flights to Western Australia from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Western Australia for around £1,171 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Western Australia from London for as low as £1,033 on momondo.

There are 3 cabin classes available to choose from on London to Western Australia 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 Western Australia flight.

Turkish Airlines, Singapore Airlines, and British Airways are the most popular carriers operating from London to Western Australia

Qantas Airways, Singapore Airlines and Malaysia Airlines are the top three most popular airlines that fly to Western Australia 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 Western Australia. Keep in mind that there are 14 different airlines that fly to Western Australia on a routine basis, so you have a few additional options to choose from.

1 flights are operational daily from London to Western Australia 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.

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