Route Price Intelligence
Cheap Flights From Boston to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$453
Great Deal
Under $441
Typical Range
$441 – $516
Lowest We've Seen
$280
Based on 271 price pointshigh confidence
Monthly Price Guide
Jan
$377
Feb
$400
Mar
$460
Apr
$460
May
$453
Jun
$453
Jul
$524
Aug
$400
Sep
$444
Oct
$449
Nov
$456
Dec
$425
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 $377. The most expensive month tends to be July at around $524. For the best deals, consider flying in January, February, August.
Typical Price by Travel Month
Median round-trip fare for each month, with the typical price range, from our ongoing tracking of this route
Cheapest month: February11,299 fares analyzedTypical low: $311
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