Balloons are Excellent Party Decorations! - Balloons are an excellent way to decorate your home, office or meeting room for a party. They are inexpensive, colorful and really creative an instant festive environment. Chicago is a big town, so many would think that cheap balloons in Chicago would be easier to find. But in the city that never sleeps, how do you know you are getting a good bargain? The fact is that as long as the price is cheap in relation to other party supplies, people in Chicago find it very easy to find cheap party balloons. Helium tanks in newspaper stores, stationery stores, local delis and even supermarkets are ubiquitous in the entire city. Many supermarkets showcase their selection of mylar balloons in the baked goods section.