Depending on what your budget is, you could go to http://www.promgirl.com/shop/promdresses-by-price and shop by price. They have a great selection of dresses even under $100. Or another option is this site: http://www.discountdressup.com/
Thrift stores like Goodwill or Salvation Army are the best place to find inexpensive dresses that won't be worn very often. You need to check them often in order to find what you want at the best price.
You can inexpensive gorgeous wedding dresses any where across the nation clothes are sold at they will always have wedding dresses on sale for the cheap.
Ebay.com Have fun! lolitashow.com milanoo.com
It is not as hard as you would think to find a formal dress that is also inexpensive. The first place you should start is your local department stores clearance sales. There you can find dresses marked down by 10, 20 and even 50% or more! If there is no place local to you and you have time to wait, consider going online and searching places such as www.overstock.com where you can find a deal that fits your price range.
Yes, you can find dresses on discount at JcPennys. You many also want to check the clearance racks at Sears, Belks, Kohls, Bealls, Dillards, and Macys.
You may find inexpensive dresses for homecoming at the following websites...enjenhouse.com/HomecomingDresses - or at www.promgirl.com shop dress by event
Donnaricco.com is a great place to find dresses for any season, they have new summer and fall dresses daily. They do have petite sizes as well as regular sizes, and you can even search dresses by occasion as well!
Lulu's, Gojane, and Amazon are good places online to find inexpensive juniors dresses. Some local stores may also provide these products at low prices.
Walmart is always a great place to shop for inexpensive kids clothes. They wash well and put up with a kids lifestyle well. Also Old Navy has lots of cute kids clothes as well.
Visit the webpage www.edressme.com/. This site offers nice evening dresses and designs, as well as very acceptable prices.
Deb stores
Finding formal dresses in larger sizes can be difficult because many manufacturers do not make larger sizes for formal gowns. You can find great prices and very pretty dresses in plus sizes online.