London Buses operates a bus from Marble Arch to Harrods every 5 minutes. Tickets cost $3 and the journey takes 10 min.
How to get from Marble Arch to Harrods
From Marble Arch Station Park Lane line 137 bus to Sloane Street Knightsbridge Station then walk to Harrods. 15 min £2. From Marble Arch taxi to Harrods. 3 min £10. From Marble Arch walk to Harrods. 22 min. From Old Quebec Street, Marylebone Bikeshare to Montpelier Street, Knightsbridge then walk to Harrods. 14 min.