South Western Railway operates a train from Bournemouth to Dorchester hourly. Tickets cost $12 - $19 and the journey takes 43 min. Alternatively, National Express operates a bus from Bournemouth to Dorchester once daily. Tickets cost $7 - $11 and the journey takes 45 min.
From Bournemouth train to Dorchester South. 43 min £11. From Talbot Heath, Bournemouth University bus to Dorchester, South Station. 45 min £7. From Bournemouth taxi to Dorchester. 36 min £108. From Bournemouth drive to Dorchester. 36 min £5.