British Airways tends to have the best prices on flights from London to St Lucia Hewanorra International Airport. But, remember that St Lucia Hewanorra International Airport is only one of the airports in St Lucia – searching for flights from ‘London’ to ‘St Lucia’ will give you more options, and possibly lower prices.
We compare every airline that flies from London to St Lucia, so that you can find the best value flights. The most popular airlines are British Airways & Virgin Atlantic. Between them, they cover 47 flights every week from London to or via St Lucia. The 6805 km journey usually takes around 8 hrs 45 mins.
11 / Mar / 2025 is currently the cheapest date to fly from London to St Lucia Hewanorra International Airport. Prices can change though, so it's best to check Netflights regularly – we recommend booking at least two months in advance to get a good deal.
Once you’ve made your flight selection, click through to the next page to complete your booking. You can also explore accommodation and car hire options in Saint Lucia by using the tabs at the top of the page.
