British Airways tends to have the best prices on flights from Belfast 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 ‘Belfast’ to ‘St Lucia’ will give you more options, and possibly lower prices.
We compare every airline that flies from Belfast to St Lucia, so that you can find the best value flights. The most popular airlines are British Airways. Between them, they cover two flights every week from Belfast to or via St Lucia. The 6543 km journey usually takes around 11 hrs 40 mins.
At the moment, the cheapest date to travel on is 01 / Jan / 2022. You could also try searching by month, if you're flexible on dates. This will show you when prices are at their cheapest and their most expensive. Generally speaking, the earlier you book, the better deal you'll get.
Found your flights? Select the ones you want, then go through to the next stage to complete your booking. If you'd like to add car hire or a hotel for your trip to Saint Lucia, you can do that too – simply use the tabs at the top of the page.