Stansted Airport - Stansted is the fourth largest airport in the UK, the fastest growidng major airport in Europe and home to most of the budget airlines in London. London Stansted is just 40 miles north of central London, situated next to junction 8a of the M11 motorway. The Stansted Express leaves London Liverpool Street Station for Stansted every 15 to 30 minutes and vice versa. Journey time is roughly 45 minutes.