Book your low-cost transfer London Stansted Airport (STN) to Letchworth. Your UPtransfer driver will welcome you drive you to Letchworth safely. If you need a safe and easy transfer from London Stansted Airport (STN) to Letchworth, do not hesitate to book and get your instant confirmation to your email address. Your driver will welcome you with a personal waiting sign and drive you straight to Letchworth.