From London Stansted airport fly to Cardiff airport then bus to Cardiff. 3hrs 58min $1,204. From London Stansted airport fly to Bristol airport, bus to Bristol Temple Meads, then train to Cardiff. 4hrs 38min $586. From Stansted Airport train to Tottenham Hale Underground Station, Tube to Oxford Circus Underground Station, Tube to London Paddington, then train to Cardiff Central. 3hrs 13min $101. From London Stansted bus to Victoria Coach Station then line 509 bus to Gabalfa, Interchange (RN Roberts). 5hrs 00min $34. From Stansted Airport train to Birmingham New Street then train to Cardiff Central. 5hrs 29min $166. From London Stansted drive to Cardiff. 3hrs 12min $60.