From Detroit Metro Airport line 125 bus to Detroit, ON, bus to Thamesville, ON, then taxi to St. Clair. 5hrs 35min $117. From Airport Station subway to West Park Station Stop #1, line 22 bus to Cleveland, OH, bus to Detroit, MI, line 5505 bus to Chatham, ON, then taxi to St. Clair. 9hrs 45min $149. From London airport (YXU) taxi to London, train to Sarnia, then taxi to St. Clair. 1hrs 43min $90. From Sarnia airport (YZR) taxi to St. Clair. 25min $45. From Bishop International Airport bus to Flint, MI, train to Port Huron, MI, then taxi to St. Clair. 3hrs 26min $87.