Route Price Intelligence
Cheap Flights From Seattle to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$791
Deals From
$660
Usually Costs
$660 – $917
Lowest We've Seen
$484
Based on 2,051 price pointshigh confidence
Monthly Price Guide
Jan
$559
Feb
$658
Mar
$1,299
Apr
$835
May
$844
Jun
$877
Jul
$914
Aug
$688
Sep
$663
Oct
$673
Nov
$806
Dec
$993
Cheapest Average Expensive
Best Time to Fly from Seattle to St. Lucia
The cheapest time to fly from Seattle to St. Lucia is typically January, when fares average around $559. The most expensive month tends to be March at around $1,299. For the best deals, consider flying in January, February, September.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $48463 price checksWorst: $602