What is the most popular Flyer size? January 09, 2014 16:55 Follow The most common flyer size is 4 x 6 inches (in North America). This is the size of a standard postcard. Related articles What size are Postcards? What is the smallest quantity for Flyers? Can I order a custom size Flyer? Business Card Templates (for Adobe Programs) What size is a Rack Card?
