Irish Rail operates a train from Dublin to Portadown every 4 hours. Tickets cost $30 - $45 and the journey takes 1 h 34 min. Alternatively, Translink UK operates a bus from Dublin to Portadown hourly. Tickets cost $19 - $28 and the journey takes 1 h 42 min.
How to get from Dublin to Portadown
From Connolly Train Station train to Portadown Train Station. 1 h 34 min 30€. From Dublin Busaras Bus Station bus to Banbridge then line 62 bus to Portadown High Street. 3 h 7 min 25€. From Dublin drive to Portadown. 1 h 31 min 18€.