Do Vapes Set Off Smoke Alarms? Vuse UK Flight attendant explains what really happens if you smoke or vape on a plane 7NEWS vaping on the flight : r unitedairlines When traveling with your vape or e cig on a plane, do it safely: vapes should be turned off and carried on, never checked. Do not use or charge it on the aircraft. Flight attendant explains what really happens if you smoke or vape on a plane 7NEWS Does Vape Activate Smoke Detector Master the Art of How to Vape Without Setting Off Smoke Alarm Headshop.com