Freezing Raw Chicken. Freeze raw chickens and chicken parts like breasts, legs and thighs can be frozen for up to a year. Wrap them well to protect it from freezer burn and preserve quality. Bacteria does not grow in the freezer so one year is a guideline for quality not for safety.se frozen cooked chicken within a month or two, cooked meat doesn’t have as much moisture as raw meat and gets freezer burnt much quicker. If your freezing cooked chicken for longer than two months freeze it in broth or use a vacuum sealer.