Smoking or vaping is not allowed on any flight to or from the United States. You can carry an e cig in your hand luggage, but you cannot use it in the cabin. Vape Allowed In Hand Carry Can You Bring a Vape on a Plane? Airline Policies! Domestic flights in Thailand & vapes. Firsthand experience at BKK (Phuket flight) : r phuket E cigarettes add to fire dangers on planes, and FAA has little direction The Washington Post What Happens If You Put A Vape In Carry On