Cheap flights from Perth to the United Kingdom from £348

The cheapest month to fly to United Kingdom from Perth is in February. Flight prices, which tend to average around £756, 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 Perth during the month May is also very affordable. Most momondo users find prices during this month for around £790.

The cheapest day to depart from Perth 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 £1,242. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Perth to United Kingdom for around £1,512.

The cheapest time of day to fly to United Kingdom is in the evening when flights can be purchased for as low as £1,346. Try not to purchase tickets in the afternoon because they tend to be around £1,444. 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 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 £966 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 £860 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.

Historically, on average around 12% 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 222 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 12% of their flights experiencing any sort of delay.

1 flights are operational daily from Perth to United Kingdom as of April 2026. The most popular departure time for this route is 15:00, with 100% of flights per day taking off in the afternoon.

7 flights are operational weekly from Perth to United Kingdom as of April 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.