Cheap flights from New South Wales to London from $397

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from New South Wales, with most prices found around $1,508. If you aren’t able to travel during the month of October, then book flights to London Heathrow Airport from New South Wales during February instead. Flights to London Heathrow Airport in February, while not as cheap as those in October, still average around $1,509.

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $2,032. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from New South Wales to London Heathrow Airport for around $2,472.

In the afternoon is the cheapest time of day to fly from New South Wales to London Heathrow Airport when you can find flight prices for as low as $1,992. Flying to London Heathrow Airport in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to London Heathrow Airport is at midday when prices are around $2,262.

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

You are more likely to see cheaper flights to London Heathrow Airport from New South Wales when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $1,835 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from New South Wales for as low as $1,692 on momondo.

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

Beijing Capital Airlines, Turkish Airlines, and Emirates are the most popular carriers operating from New South Wales to London Heathrow

Etihad Airways, Qantas Airways and Cathay Pacific are the top three most popular airlines that fly to London Heathrow Airport from New South Wales according to our data. Etihad Airways is the first choice among our users, with 32% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 23 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

3 flights are operational daily from New South Wales to London Heathrow Airport as of February 2026. The most popular departure time for this route is 16:00, with 100% of flights per day taking off in the afternoon.

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