Find Out if You Can Bring Vapes on a Plane in 2025 RQS Blog (REAL TEST) Can Smoke Detectors Detect Vape? (compared with a Vape Detector) Understanding Aircraft Lavatory Smoke Detectors Vaping and Smoke Alarms: What Actually Triggers the Sensors Vapesdirect Everyone Is Vaping on the 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.