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

King Koil Luxury California King Air Mattress ($180, originally $190)

On the hunt for a king-size air mattress? This one has air-filled coils that provide extra support, a flocked top that helps bedding stay in place, and a small, built-in headrest to keep pillows from falling. The built-in pump can fully inflate the mattress in two minutes and 30 seconds. If you're worried about longevity, this one comes with a one-year warranty and a patch kit in case a tear ever develops.