London Buses operates a bus from Marble Arch to Knightsbridge every 10 minutes. Tickets cost $3 and the journey takes 10 min.
How to get from Marble Arch to Knightsbridge
From Marble Arch Station Park Lane line 10 bus to Knightsbridge Barracks. 10 min £2. From Marble Arch taxi to Knightsbridge. 4 min £11. From Marble Arch walk to Knightsbridge. 25 min. From Old Quebec Street, Marylebone Bikeshare to Montpelier Street, Knightsbridge. 12 min.