Flight attendant explains what really happens if you smoke or vape on a plane 7NEWS Hillsborough school district expanding vaping detector program to all high schools FOX 13 Tampa Bay Will Vaping Set Off Hotel Smoke Alarms? Does Smoke Detector Detect Vape Can Vape Smoke Be Detected In School Bathrooms How Do Vape Detectors Work: Technology Behind Smoke 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.