London Overground operates a train from West Hampstead to Marylebone every 30 minutes. Tickets cost $1 - $3 and the journey takes 6 min. Alternatively, London Buses operates a bus from West Hampstead to Marylebone every 5 minutes. Tickets cost $3 and the journey takes 18 min. 2 other operators also service this route.
From South Hampstead train to London Euston. 6 min £1. From West Hampstead Underground Station Tube to Baker Street Underground Station. 7 min £2. From West Hampstead, Finchley Road & Frognal Station bus to Baker Street Station. 18 min £3. From West Hampstead taxi to Marylebone. 7 min £17. From West Hampstead Uber to Marylebone. 7 min £16. From West Hampstead walk to Marylebone. 1 h.