Macy's offers the Pyrex Simply Store 10-Piece Set with Multi-Color Lids for $9.99. Pad your order with a beauty item (they start at $3) to bag free shipping; otherwise, shipping adds $10.95. Excluding padding, that's the lowest price we could find today by $11 in any color. It includes a 6-cup rectangular dish, 3.5-cup rectangular dish, 4-cup round dish, and two 2-cup round dishes, all with BPA-free plastic lids.
The planet will thank you, your local (overwhelmed) landfill will thank you. Even your budget will thank you.