Couple of weeks I'm down in London. Normally for my usual bi monthly trip down that is fine since it is just onto the tube at kings cross and get off at vauxhall on the Victoria line.
Next time I'm down for an away day and team nosh. The meal is in Covent Garden. How do I get back to kings cross from there? Generally I just need a zone one tube ticket when I am booking train/tube tickets. Will zone one cover me for covent Garden too?