Will Vaping Set Off Fire Alarms? 2026 Safety Guide E Cigarette Direct How Do Vape Detectors Work? [Answered 2026] 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. Flight attendant explains what really happens if you smoke or vape on a plane 7NEWS Flying with Vapes: can you fly with vapes and carts?