If you're looking to fly from London Heathrow to Haikou, you might like to know that 17 / Oct / 2025 currently has the cheapest flights. At the moment, there are five airlines flying to Haikou. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Haikou.
There are 139 flights from London Heathrow to or via Haikou every week. Out of the five available airlines, the most popular ones are China Southern Airlines & Hainan Airlines. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
Your flight from London Heathrow to Haikou will take at least 11 hrs 55 mins. On average, it takes 16 hrs 15 mins to fly the 9648 km distance. Take a look at flight times to see which one works best for you.
Searching by month, for instance, will show you the best time of the week to fly.