Round trip Austin TX to St Maarten for $292

American Airlines and Expedia have round trip airfares from Austin TX (AUS) to St Maarten Caribbean (SXM) for $292. These are basic economy fares allowing only a personal item and a carry-on bag, with no seat selection or changes permitted. Travel is available on multiple dates from January through May 2027, with specific departure and return windows. To get this deal, book using the provided dates via Expedia or American Airlines. While basic economy options limit flexibility, the price is competitive for this route during peak winter and spring seasons. The extensive travel window offers flexibility for planning a trip to the Caribbean at a relatively low cost.