Cheap flights from London to New South Wales from £397

The month of May is, on average, the cheapest month to fly to New South Wales from London, with most prices found around £776. If you aren’t able to travel during the month of May, then book flights to New South Wales from London during June instead. Flights to New South Wales in June, while not as cheap as those in May, still average around £830.

The cheapest day to depart on your flight to New South Wales is on a Monday when prices can be found for as low as £1,177. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to New South Wales for around £1,336.

Fly from London Heathrow to Sydney Kingsford Smith for the best London - New South Wales flight prices

You are more likely to see cheaper flights to New South Wales from London when booking weeks ahead of your departure date. In general, you can expect to find flights to New South Wales for around £1,013 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New South Wales from London for as low as £953 on momondo.

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

You could potentially save up to 14% on your flight if you consider stops on a London to New South Wales flight.

AirAsia X, China Eastern, and Etihad Airways are the most popular carriers operating from London to New South Wales

Cathay Pacific, Etihad Airways and Singapore Airlines are the top three most popular airlines that fly to New South Wales from London according to our data. Cathay Pacific is the first choice among our users, with 31% of people opting to fly with this airline when travelling to New South Wales. Keep in mind that there are 29 different airlines that fly to New South Wales on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 3 flights per day flying from London to New South Wales. The most common time of day flights depart is 21:00, with 100% of flights taking off in the evening.

As of March 2026, there are 21 flights per week flying from London to New South Wales. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.