MTA Map Link to MTA
Take the Green Line "E" to Longwood Medical Area.
From the airport take the Back Bay Logan Express to the Copley Square stop on the corner of St James and Dartmouth. The #39 bus stop is on the corner of St James and Dartmouth. (Same location as the Logan Express drop-off and pick-up.)
From Copley Square take the #39 bus west to the Longwood Medical Area stop.
MassArt is on the corner.