From Manners Street at Cuba Street line 91 bus to Wellington airport, fly to Christchurch airport, then bus to Christchurch. 2 h 58 min $55. From Wellington - Central ferry to Picton, walk to Picton, then train to Christchurch. 9 h 36 min. From Wellington - Central ferry to Picton then bus to Christchurch. 13 h $85.