The Pilgrims concluded their away campaign with their fifth league win on the road this season.
Tristan Skerritt, making his first appearance of the campaign following an injury-hit season, was United’s other goalscorer at Huddersfield Amateur.
Boston (3-4-2-1): Oliver Ford; Tristan Skerritt, Owen Sheriff, Bailey Dilley; Logan Tate, Han Stevens, Finlay Armond, Zane Millar; Ben Johnson, Jack Waddington; Sam Harris. Subs (used): Krisztian Gagyi, Jake Henderson, Josh Doran.
Referee: Dane Hill.