From London Stansted airport fly to Cardiff airport then bus to Cardiff. 4hrs 12min $1,204. From Stansted Airport train to Liverpool Street Underground Station, Tube to London Paddington, then train to Cardiff Central. 3hrs 14min $139. From London Stansted Airport bus to Victoria Coach Station then line 509 bus to Cardiff, Sophia Gardens. 5hrs 10min $33. From Stansted Airport train to Birmingham New Street then train to Cardiff Central. 5hrs 27min $197. From London Stansted Airport (STN) drive to Cardiff. 3hrs 12min $60.