Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Newcastle Australia, across the six airlines that offer this route. We've found that 25 / Mar / 2026 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
British Airways is the most popular airline that flies from London Heathrow to Newcastle Australia. But it's still worth looking at other options, as there are 53 flights to Newcastle Australia every week. If you want to broaden your search, look at flights departing from other airports.
The distance between London Heathrow to Newcastle Australia is 16974 km. Normally, it takes about 31 hrs 15 mins to fly, and you can definitely expect the journey to be at least 27 hrs 10 mins. You can see the various flight times in the results.
Searching by month, for instance, will show you the best time of the week to fly.
