costumesScarecrows, a masquerade, Operation Trick or Treat and more! Halloween this year in Lafayette-West Lafayette looks to be an exciting one! The official Trick-or-Treating night for Lafayette and West Lafayette is Halloween night, October 31. Lafayette Trick-or-Treating hours are 6-8pm and West Lafayette has no set hours. Check out the spooky and scary events taking place this Halloween in celebration of this haunted holiday: pumpkinTo learn more about these Halloween special events and check dates and times visit