Route Price Intelligence
Cheap Flights From St. Louis to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$752
Deals From
$710
Usually Costs
$710 – $888
Lowest We've Seen
$362
Based on 4,166 price pointshigh confidence
Monthly Price Guide
Jan
$710
Feb
$715
Mar
$1,168
Apr
$984
May
$829
Jun
$817
Jul
$804
Aug
$710
Sep
$710
Oct
$718
Nov
$750
Dec
$820
Cheapest Average Expensive
Best Time to Fly from St. Louis to St. Lucia
The cheapest time to fly from St. Louis to St. Lucia is typically January, when fares average around $710. The most expensive month tends to be March at around $1,168. For the best deals, consider flying in January, August, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $36268 price checksWorst: $546