A spinning reel fishing line guide mechanism for guiding a fishing line onto a spool is provided. The spinning reel fishing line guide mechanism includes first and second bail support members (40,42) pivotably attached to first and second rotor arms (31,32) respectively, a fixation shaft (43) fixed to the first bail support member, a fixation shaft cover (46), a line roller, and a bail (41) guiding the fishing line to the line roller through the fixation shaft cover. The fixation shaft cover includes a cover body (46a) disposed onto an axial end of the fixation shaft (43) wherein the cover body is separate from the first bail support member (40), and an engagement groove (46b,46c) on a lateral portion of the cover body. The lateral portion extends to the fixation shaft. The bail has a rod portion (41a) having a rod shape, and a plate portion (41b) attached to the rod portion.
