This great deal on the Pyrex 8 Piece Glass Bowl Storage Set With Covers for $13.49 from Kmart is still available. Make sure to use code OFFERS10 at checkout and choose in store pickup to avoid shipping costs.
The set includes a 1-qt, 1.5-qt, 2.5-qt and 4-qt bowls with lids.
If you do not have a store near you and will have to pay shipping (making it $19.04 shipped), there is a better deal at Woot.com today for $12.99 + $5 flat shipping. So $17.99 shipped for one set or if buying multiples for gifts, the shipping gets spread out.