Cheap flights from Western Australia to London from $778

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Western Australia, with most prices found around $569. If you aren’t able to travel during the month of October, then book flights to London Heathrow Airport from Western Australia during March instead. Flights to London Heathrow Airport in March, while not as cheap as those in October, still average around $662.

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $2,056. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Western Australia to London Heathrow Airport for around $2,324.

In the evening is the cheapest time of day to fly from Western Australia to London Heathrow Airport when you can find flight prices for as low as $2,132. Flying to London Heathrow Airport in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is at midday when prices are around $4,629.

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

You are more likely to see cheaper flights to London Heathrow Airport from Western Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $1,791 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Western Australia for as low as $1,657 on momondo.

Vietnam Airlines and Qatar Airways are the most popular carriers operating from Western Australia to London Heathrow

Qantas Airways, Malaysia Airlines and Singapore Airlines are the top three most popular airlines that fly to London Heathrow Airport from Western Australia according to our data. Qantas Airways is the first choice among our users, with 31% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 12 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

1 flights are operational daily from Western Australia to London Heathrow Airport as of May 2026. The most popular departure time for this route is 14:00, with 100% of flights per day taking off in the afternoon.

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