How do you get from bond street tube station to heathrow terminal 4?

Two ways 1. Piccadilly Line Jubille line south bound from Bond Street to Green Park Change to Piccadilly line for Heathrow Terminal 4 2. Heathrow Express Bond Street to Oxford Circus on central line or walk. Oxford Street change to Bakerloo line northbound. Change at Paddington for Heathrow Express train.