Cheap flights from Australia to the United Kingdom from £398

The cheapest month to fly to United Kingdom from Australia is in February. Flight prices, which tend to average around £814, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from Australia during the month May is also very affordable. Most momondo users find prices during this month for around £845.

The cheapest day to depart from Australia to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £1,010. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Australia to United Kingdom for around £1,498.

The cheapest time of day to fly to United Kingdom is at midday when flights can be purchased for as low as £1,105. Try not to purchase tickets in the afternoon because they tend to be around £1,415. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to United Kingdom from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £979 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from Australia for as low as £942 on momondo.

Finnair, Turkish Airlines, and Vietnam Airlines are the most popular carriers operating from Australia to United Kingdom

Qatar Airways, Emirates and Etihad Airways are the top three most popular airlines that fly to United Kingdom from Australia according to our data. Qatar Airways is the first choice among our users, with 35% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 16 different airlines that fly to United Kingdom on a routine basis, so you have a few additional options to choose from.

Historically, on average around 11% of flights between Australia and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 225 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.

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Monday 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 11% of their flights experiencing any sort of delay.

As of May 2026, 4 flights take off from Australia and land in United Kingdom each day. The most common flight departure time for this route is 14:00, with 100% of daily flights taking off in the afternoon.

As of May 2026, there are 28 flights per week flying from Australia to United Kingdom. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.