Can Smoke Detectors Detect Vaping? Learn the Facts 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. Can Vaping Devices Set Off Smoke Alarms? Vape Sets Off Fire Alarm: How Do Vape Detectors Work? Vapesourcing Can You Bring a Vape on a Plane Under 21 BOOST! Smoker warning over item TSA has banned from checked luggage it will only be allowed on plane if 'watt' limit followed