Route Price Intelligence
Cheap Flights From St. Louis to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$748
Deals From
$690
Usually Costs
$690 – $875
Lowest We've Seen
$362
Based on 7,186 price pointshigh confidence
Monthly Price Guide
Jan
$715
Feb
$725
Mar
$1,014
Apr
$872
May
$786
Jun
$810
Jul
$796
Aug
$693
Sep
$708
Oct
$715
Nov
$740
Dec
$785
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 August, when fares average around $693. The most expensive month tends to be March at around $1,014. For the best deals, consider flying in August, September, October.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $36283 price checksWorst: $546