There is relatively frequent bus service to and from Latacunga (3.5 hours, $1.50), and a daily bus that passes through Sigchos on the route between Latacunga and Chugchilán. The more surefire daily buses to Latacunga depart at 7 am and 2:30 p.m. from beside the church, with more frequent buses on Wednesday, Saturday and Sunday. All buses make a stop in Saquisilí on their way to and from Latacunga.
Head further west and you can catch the daily milk truck (about an hour, $1) to Chugchilán, which leaves Sigchos around 7:30 a.m.