Hang out on Maho beach and watch planes land right above your head! Travel from Portland, OR (PDX) to St. Maarten/St. Martin (SXM) for $365 round-trip, this winter.
Fare is available on Delta and United, most itineraries require two connections, however some have one connection but with long layover times. Find a routing that works best for you. Travel dates are scarce, but you'll have the best luck searching late January through early March.
Booking information and more fare rules can be found here.
St. Maarten photo found via Shutterstock.