Southwest is launching new flights from BWI Airport to a Caribbean island. Here's a hint: You won't need a passport.

Southwest has begun booking reserved and extra-legroom seats and announced new routes from St. Thomas, with flights to ...

Southwest Airlines has announced plans to begin a new route from BWI Thurgood Marshall Airport to St. Thomas, Virgin Islands.

Southwest Airlines is expanding its Caribbean network, giving Baltimore travelers a new sun-soaked destination to escape to.

Travelers from the Mid-Atlantic and Central Florida will soon have a direct connection to the U.S. Virgin Islands, as ...

Southwest Airlines announced which two cities will get St. Thomas, U.S. Virgin Islands service, and is bringing back dozens ...