Cheap flights from Australia to London from $649

If you aren’t able to travel during the month of February, then book flights to London from Australia during May instead. Flights to London in May, while not as cheap as those in February, still average around $1,648.

Our data shows that Monday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as $2,031. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Australia to London for around $2,650.

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as $2,226. In contrast, the most expensive time of day to depart to London is in the evening when prices are around $3,733.

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

You are more likely to see cheaper flights to London from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $1,935 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Australia for as low as $1,754 on momondo.

There are 4 cabin classes available to choose from on Australia to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Etihad Airways, China Eastern, and Finnair are the most popular carriers operating from Australia to London

Singapore Airlines, Emirates and Qatar Airways are the top three most popular airlines that fly to London from Australia according to our data. Singapore Airlines is the first choice among our users, with 27% of people opting to fly with this airline when travelling to London. Keep in mind that there are 29 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 10% of flights between Australia and London have experienced a delay on any given week. The average delay length over the past 12 months has been 186 minutes.

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

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Friday 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 10% of their flights experiencing any sort of delay.

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

24 flights are operational weekly from Australia to London as of August 2026. The most popular departure day for this route is Wed, with 17% of flights per week taking off on this day.