How long will it take a broken finger to heal?

Depends: Time to heal will depend on a few factors - such as presence of dislocation or not, presence of joint involvement or not. An uncomplicated finger fracture will take 3-5 weeks to heal.

Longer thn most bone: Finger bones take anywhere from 8-14 weeks to heal when compared to most per long nines which typically take 6-8 weeks. Thismismdue to the size, instability and blood supply to these delicate little bones.