From Airport Bus Station line 888 bus to Luton Airport Parkway, train to St Pancras Low Level, then train to Streatham. 1hrs 16min £25. From Airport Bus Station line 757 bus to Victoria Coach Station then bus to Streatham, Becmead Avenue. 1hrs 53min £12. From Airport Bus Station line 888 bus to Luton Airport Parkway station, bus to Marble Arch, then line 159 bus to StreathamSt.Leonard's Church. 2hrs 12min £19. From London Luton taxi to Streatham. 53min £123. From London Luton drive to Streatham. 53min £8.