Route Price Intelligence
Cheap Flights From Seattle to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$733
Deals From
$646
Usually Costs
$646 – $873
Lowest We've Seen
$492
Based on 8,466 price pointshigh confidence
Monthly Price Guide
Jan
$786
Feb
$684
Mar
$638
Apr
$618
May
$732
Jun
$910
Jul
$880
Aug
$659
Sep
$718
Oct
$663
Nov
$646
Dec
$941
Cheapest Average Expensive
Best Time to Fly from Seattle to St. Lucia
The cheapest time to fly from Seattle to St. Lucia is typically April, when fares average around $618. The most expensive month tends to be December at around $941. For the best deals, consider flying in April, March, November.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $49268 price checksWorst: $588