From Stansted Airport train to Liverpool Street Underground Station, Tube to London Paddington, then train to Cardiff Central. 3hrs 36min £92. From London Stansted Airport bus to Victoria Coach Station then line 509 bus to Cardiff, Sophia Gardens. 5hrs 10min £29. From London Stansted bus to Liverpool Street, line 11 bus to Victoria Coach Station, then bus to Cardiff, Kingsway. 6hrs 37min £44. From Flughafen London Stansted (STN) drive to Cardiff. 3hrs 12min £42. From London Stansted airport fly to Bristol airport, bus to Bristol Temple Meads, then train to Cardiff. 5hrs 12min £417. From London Stansted airport fly to Cardiff airport then bus to Cardiff. 4hrs 12min £834.