The Buff-breasted Flycatcher is found from southeasternmost Arizona in the United States through Mexico to southern Honduras. These partial migrants leave the northernmost breeding areas in the United States and northern Mexico to winter further south.
Measurs between 11.5 - 13 cm in length (including the short tail). It has a small bill.
The upper plumage is olive-grey upperparts with darker coloration on the wings and tail. It has conspicuous white eye rings and white wing bars. The chest is washed with a strong orange buff color.