Route Price Intelligence
Cheap Flights From Boston to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$458
Deals From
$363
Usually Costs
$363 – $574
Lowest We've Seen
$280
Based on 7,975 price pointshigh confidence
Monthly Price Guide
Jan
$435
Feb
$454
Mar
$442
Apr
$477
May
$524
Jun
$656
Jul
$672
Aug
$369
Sep
$427
Oct
$451
Nov
$410
Dec
$534
Cheapest Average Expensive
Best Time to Fly from Boston to St. Lucia
The cheapest time to fly from Boston to St. Lucia is typically August, when fares average around $369. The most expensive month tends to be July at around $672. For the best deals, consider flying in August, November, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $28060 price checksWorst: $368