When you're looking for cheap flights to St Lucia, it's worth remembering that this city has two airports.
When you fly is just as important as what airport you fly into. When you use the filters to search by month, you'll also be able to see the cheapest time of the week to fly.
KLM tend to have the cheapest flights, but remember that St Lucia has more than one airport. It's also worth checking which airport is nearest to your accommodation.
If you're looking for accommodation or car hire in Saint Lucia, use the tabs at the top of the page to see what’s available.