Smoker warning over item TSA has banned from checked luggage it will only be allowed on plane if 'watt' limit followed Can Smoke Detectors Detect Vaping? Unveiling the Truth Johnson Controls 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 a Vape Set Off a Fire Alarm? What You Should Know