From Gatwick Airport train to Clapham Junction then train to Winchester. 1hrs 44min £33. From Gatwick Airport train to Guildford Railway Station, line 65 bus to Alton, High Street, then line 64 bus to Winchester, Bus Station. 3hrs 10min £18. From Gatwick Airport, South Terminal Coach Station line 206 bus to Southampton City Centre, Coach Station then bus to Winchester, Broadway Guildhall. 3hrs 49min £24. From London Gatwick Airport (LGW) drive to Winchester. 1hrs 20min £15.