Route Price Intelligence
Cheap Flights From Boston to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$440
Deals From
$320
Usually Costs
$320 – $576
Lowest We've Seen
$280
Based on 8,408 price pointshigh confidence
Monthly Price Guide
Jan
$310
Feb
$373
Mar
$479
Apr
$519
May
$515
Jun
$529
Jul
$591
Aug
$324
Sep
$322
Oct
$424
Nov
$320
Dec
$424
Cheapest Average Expensive
Best Time to Fly from Boston to St. Lucia
The cheapest time to fly from Boston to St. Lucia is typically January, when fares average around $310. The most expensive month tends to be July at around $591. For the best deals, consider flying in January, November, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $28088 price checksWorst: $368