Cheap flights from Perth to the United Kingdom from $665

The month of February is, on average, the cheapest month to fly to United Kingdom from Perth, with most prices found around $1,783. If you don’t want to visit United Kingdom in February, then you should wait until March to fly from Perth, when ticket prices are also cheap, with an average price of $1,801.

The cheapest day to depart on your flight to United Kingdom is on a Monday when prices can be found for as low as $2,333. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Perth to United Kingdom for around $2,886.

Flying to United Kingdom from Perth in the evening is the least expensive time of day to depart. momondo users have found prices as low as $2,415 when looking at flights departing in the evening. At midday is when there is more demand to fly to United Kingdom, so prices are often more expensive at around $2,940 per ticket.

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

You are more likely to see cheaper flights to United Kingdom from Perth when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around $2,139 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 Perth for as low as $1,865 on momondo.

There are 3 cabin classes available to choose from on Perth to United Kingdom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cathay Pacific, Qatar Airways, and British Airways are the most popular carriers operating from Perth to United Kingdom

Qatar Airways, Emirates and Singapore Airlines are the top three most popular airlines that fly to United Kingdom from Perth according to our data. Qatar Airways is the first choice among our users, with 31% of people opting to fly with this airline when travelling to United Kingdom. Keep in mind that there are 11 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 10% of flights between Perth and United Kingdom have experienced a delay on any given week. The average delay length over the past 12 months has been 136 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.

As of November 2026, there are 1 flights per day flying from Perth to United Kingdom. The most common time of day flights depart is 16:00, with 100% of flights taking off in the afternoon.

The number of flights available between Perth and United Kingdom is 7 per week as of November 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.