Airline fare prices vary throughout the year, generally fares are cheaper if booked several months in advance, or at the last minute. The seasonal peaks for St Lucia are approximately: mid-DEC to mid-JAN, mid-MAR to mid-APR, first 2 weeks of MAY and mid-JUL to mid-SEP.
Hot Tip: There are still no Charter flights to St Lucia. To get the best deal on low cost scheduled flights, book early to avoid disappointment.
It may be easier and cheaper to get a flight to Barbados and then a short shuttle flight to St Lucia (North).