Vape sets off smoke detector on plane 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 The Smoke Detector Detect Vape How Vape Detectors and Sensors Work: An Informative Guide Smoker warning over item TSA has banned from checked luggage it will only be allowed on plane if 'watt' limit followed