With Netflights, you can compare lots of flights to London in United Kingdom. It's free and easy. We've gone through the two weekly flights connecting St Lucia and London, operated by one airlines – so you can see all your options before you book.
There are actually one airports in London. We've scanned all of the flights into London and, on average, the cheapest airport to fly into is London Gatwick (LGW). Look out for flights with British Airways too, as they tend to have the cheapest prices.
The cheapest airport to fly from is St Lucia Hewanorra International Airport, but we recommend booking in advance to get a good price.
It's 6805 km from St Lucia to London, and the flight takes around 9 hrs 20 mins. Need somewhere to stay when you get there? You can add also accommodation and car hire to your London booking on Netflights.
