Try digitalPLUS for 10 days for only $0.99

Southwest Airlines

New airline to launch at BWI

New airline to launch at BWI

A low-cost Nevada airline known for serving travelers from smaller cities plans to begin flying out of Baltimore-Washington International Thurgood Marshall Airport with six new routes this spring.

Allegiant Air is slated to make the announcement at the airport Tuesday, offering a limited number of $39 one-way fares to promote the new service.

Allegiant will fly to Asheville, N.C., known for its arts scene, and Savannah, Ga., known for its antebellum architecture. It also will offer flights to Cincinnati, Knoxville, Tenn., Lexington, Ky., and Tulsa, Okla. The first of the twice-weekly flights starts at the end of April.

Officials said they expect the new routes to bring...