The Sulawesi Blue Flycatcher is restricted here to Sulawesi's main island, Indonesia. A broad species account lists moist lowland and montane forest as habitats.
In a 1924 account of the Celebes (Sulawesi) population, the male had a deeper blue forehead and over-eye line and darker underparts than the compared Javan form. The female was described as duller blue than the male on the back, wings, and tail.
A broad account of the species lists moist lowland and montane forest as habitats.
An extinction-risk assessment has not been added yet.