How long do red onions last in the fridge?
Sarah Garza
Updated on April 15, 2026
Like white and yellow onions, red onions last 30 to 60 days if stored in the fridge. Avoid storing red onions (and yellow and white onions) in plastic bags because the moisture could cause it to sprout or rot faster. Outside of the fridge, onions last for about four to six weeks.