Southern operates a train from East Dulwich to Charing Cross every 20 minutes. Tickets cost $2 - $4 and the journey takes 13 min. Southeastern also services this route every 5 minutes. Alternatively, London Buses operates a bus from East Dulwich to Charing Cross every 10 minutes. Tickets cost $3 and the journey takes 44 min.
From East Dulwich train to London Bridge then train to London Charing Cross. 23 min £6. From East Dulwich, North Cross Road line 176 bus to Charing Cross. 44 min £2. From East Dulwich taxi to Charing Cross. 14 min £24. From East Dulwich Uber to Charing Cross. 14 min £11. From East Dulwich walk to Charing Cross. 1 h 29 min.