10 Comfy, Top-Rated Air Mattresses — Starting at $40

INTEX 64149ED Dura-Beam Standard Pillow Rest Air Mattress ($40, originally $44)

You can't beat the price of this air mattress, which is the most affordable on our list and an Amazon bestseller. It comes with an electric pump that inflates it in just two and a half minutes (!) and has a built-in pillow for comfort. "It was so comfortable, easy to inflate and deflate, very roomy, and cheap," writes a reviewer who gave it a perfect five-star rating.