We've scanned every flight from Birmingham to St Lucia to find the best deals. If you want a cheap flight, it's best to be as flexible as you can on dates. At the moment, the cheapest flight is on 30 / Jul / 2025. If that day's no good for you, try searching by month to see some alternative dates.
You can use the filters on your search to see more flights and find cheaper rates – St Lucia has more than one airport. So if you don't need to fly into St Lucia Hewanorra International Airport, it's worth checking your other options. The 6741 km flight usually takes about 18 hrs 45 mins.
During this peak season, hotel and holiday prices often increase too, so it's best to book early. Or you could keep your fingers crossed and hold out for a last-minute deal.