Cheap flights from London Heathrow Airport to Western Australia from £467

The cheapest month to fly to Western Australia from London Heathrow Airport is in May. Flight prices, which tend to average around £977, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Western Australia, with average flight prices from London Heathrow Airport averaging around £978.

The cheapest day to depart from London Heathrow Airport to Western Australia is on a Sunday when prices can be found for as low as £1,391. The most expensive day to fly to Western Australia is Wednesday, with ticket prices averaging around £1,469.

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

You are more likely to see cheaper flights to Western Australia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Western Australia for around £1,130 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 Heathrow Airport for as low as £1,046 on momondo.

There are 3 cabin classes available to choose from on London Heathrow 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 3% on your flight if you consider stops on a London Heathrow Airport to Western Australia flight.

As of February 2026, 1 flights take off from London Heathrow Airport and land in Western Australia each day. The most common flight departure time for this route is 11:00, with 100% of daily flights taking off at midday.

As of February 2026, 7 flights take off from London Heathrow Airport 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.