Route Price Intelligence
Cheap Flights From Washington, D.C. to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$555
Deals From
$423
Usually Costs
$423 – $713
Lowest We've Seen
$348
Based on 8,448 price pointshigh confidence
Monthly Price Guide
Jan
$368
Feb
$386
Mar
$550
Apr
$564
May
$600
Jun
$762
Jul
$749
Aug
$373
Sep
$502
Oct
$483
Nov
$383
Dec
$562
Cheapest Average Expensive
Best Time to Fly from Washington, D.C. to St. Lucia
The cheapest time to fly from Washington, D.C. to St. Lucia is typically January, when fares average around $368. The most expensive month tends to be June at around $762. For the best deals, consider flying in January, August, November.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $34861 price checksWorst: $398