It's a competitive market the skip hire business and prices vary widely by location, demand and competition. Driven by profit many skip hire companies will charge as much as they can, but for anyone looking for the cheapest skips you may need to ask for discounts or play one suplier off against another. To find the cheapest skips quickly always ask for a quote frst and let the hire compnay know you will be checking with 2 other suppliers first (don't tel them which ones).
More advice about hiring a cheap skip. It may be worthwhile saying that you'll make the skip available for return quickly in return for a price cut. If you are likely to need more skips later, say that you need 2 or 3 skips over a period of time even if you ultimately fail to order all of them. Also ask for the company's cheapest possible price becasue you're on a tight budget.
Here's a guide to the cheapest prices we have seen - remember location is a big factor with London and other cities being more expensive.