Airbus A350 Vs. Boeing 787 Dreamliner: Which Has The Quieter Cabin?

The Airbus A350 and the Boeing 787 Dreamliner are two of the defining long-haul aircraft of the modern era, and both were designed with passenger comfort as an important part of their appeal. That includes the sound inside the cabin, where even small reductions can make a noticeable difference during a flight lasting 10 hours or more.