It’s not the air quality you have to worry about (cabin air is well circulated and filtered) but rather germs transmitted through shared surfaces. So wash your hands frequently, use a sanitizer, and clean surfaces with a disinfectant wipe. And always keep yourself hydrated and well-rested.
Nikki Ekstein is an Editorial Assistant at Travel + Leisure and part of the Trip Doctor news team. Find her at on Twitter at @nikkiekstein.