Has a white belly and a rufous lower back, outer tail feathers, and wing, with dark central tail feathers and a dark edge to the wing.

Similar to Black-naped Monarch, but has rufous rump and tail.

Voice is a single, nasal 'jep' note given at intervals or sped up into a rapid series.

The diet of the Mindanao blue fantail consists of insects.

It is often observed in mixed flocks with other birds such as Black-naped monarch, Flame-templed babbler, White-vented whistler, Lemon-throated leaf warbler, sunbirds and flowerpeckers.