London Paddington to Heathrow Airport in 15 minutes^With just a 15 minute journey time^ and departures every 15 minutes, Heathrow Express is the easiest way to travel between London Paddington and Heathrow Airport terminals. Why us? Why choose Heathrow Express? Choose from Express Standard & Business First seating options, with no booking fees, discounts for Railcard holders and collect Heathrow R