Arriva Northumbria operates a train from Alnwick Castle to York every 20 minutes. Tickets cost $1 - $3 and the journey takes 11 min. Virgin Trains East Coast also services this route every 2 hours. Alternatively, National Express operates a bus from Alnwick Castle to York once daily. Tickets cost $14 - $19 and the journey takes 3 h 30 min. Yorkshire Coastliner also services this route hourly.
From Alnwick Castle walk to Alnwick, Bus station (Alnwick Bus Station), bus to Alnmouth, then train to York. 2 h 45 min £23. From Alnwick Castle walk to Alnwick, bus to Leeds City Centre, Bus Stn (Leeds City Bus Station), then bus to York, Rougier Street (Central Interchange). 4 h 42 min £20. From Alnwick Castle walk to Alnwick, Green Batt (Alnwick Library), bus to Eldon Square Bus Station, bus to Middlesbrough, Bus Station Stand 15, bus to Middlesbrough, then train to York. 5 h 26 min £32. From Alnwick Castle drive to York. 2 h 4 min £22.