Route Price Intelligence
Cheap Flights From Seattle to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
Typical Price
$759
Deals From
$662
Usually Costs
$662 – $888
Lowest We've Seen
$484
Based on 6,971 price pointshigh confidence
Monthly Price Guide
Jan
$602
Feb
$805
Mar
$966
Apr
$750
May
$795
Jun
$852
Jul
$891
Aug
$684
Sep
$667
Oct
$696
Nov
$758
Dec
$851
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 $602. The most expensive month tends to be March at around $966. For the best deals, consider flying in January, September, August.
Cheapest Fare Found (Last 90 Days)
The lowest round-trip price available on each day we checked
Best: $48481 price checksWorst: $602