Can Smoke Detectors Detect Vaping? Unveiling the Truth Johnson Controls Do Vapes Set Off Smoke Alarms? Aeroplane & Hotel Smoke Detection VPZ So, This Is What Actually Happens If You Smoke Or Vape On A Plane HuffPost UK Life Aircraft Lavatory Smoke Detector 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.