Amazon has the Dungeons & Dragons Starter Set: Fantasy Roleplaying Fundamentals 5th Edition (FBA_D&D-Starter-Set) for $9.59 with free shipping on $25+ or with Prime. Walmart and Target have it for the same price.

The 5th edition starter set includes: 64-page adventure book, 32-page rule book (player levels 1 - 5), 5 pre-generated characters, character sheet and set of 6 polyhedral D&D dice.