Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to La Serena, across the two airlines that offer this route. We've found that 06 / Oct / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
LATAM is the most popular airline that flies from London Heathrow to La Serena. But it's still worth looking at other options, as there are 15 flights to La Serena every week. If you want to broaden your search, look at flights departing from other airports.
The distance between London Heathrow to La Serena is 11379 km. Normally, it takes about 23 hrs 5 mins to fly, and you can definitely expect the journey to be at least 22 hrs 35 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.