Cheap Windward Island Airways International flights Philipsburg (SXM) to Castries (SLU)

You'll find cheap round-trip Winair flights from $526 from SXM to SLU by organizing your results from "Price (lowest to highest)" on Expedia. Or look for bargains for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Scoring the best Winair deals from SXM to SLU is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. What's more, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start checking out flights about one month before your departure date.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Taking off from SXM at 9:45AM UTC-4, the first Winair flight to SLU lands at 11:15AM UTC-4. Flying early means you'll be less likely to encounter delays.* Don't like early starts? The last Winair flight from SXM to SLU departs at 9:45AM UTC-4 and touches down at 11:15AM UTC-4.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.