Route Price Intelligence
Cheap Flights From Seattle to St. Lucia
Live pricing benchmarks, monthly patterns, and historical lows for this route.
⭐ Great DealFound 16h ago
$573Caribbean luxury awaits! JetBlue nonstop from Seattle to St. Lucia for $573 roundtrip. Pristine beaches, lush rainforests, and the famous Pitons volcanic peaks.
✓ 24 date combinations found at this price
Search Google FlightsTypical Price
$716
Deals From
$635
Usually Costs
$635 – $860
Lowest We've Seen
$492
Based on 8,499 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: $49258 price checksWorst: $542