Book Cheap Flights from Boston to Saint Lucia from £253
Boston
Saint Lucia
Wed, 18 Sep
BOS - UVF
Sat, 21 Sep
UVF - BOS
£432
£420
Prime price per passenger
Boston
Saint Lucia
Sun, 13 Oct
BOS - UVF
£261
£253
Prime price per passenger
Cheapest flight
£253
Cheapest price for a flight between Boston and Saint Lucia found by our customers in the last 72 hours
High season
June
According to search data from our customers, June is the busiest time to fly from Boston to Saint Lucia
Best time to book
April
According to real data April is the most popular time to book a flight to Saint Lucia when departing from Boston