Can Hotel Smoke Detectors Detect Vape Can Hotels Detect Vape Smoke Rest How Do Vape Detectors Work? [Answered 2026] Can a Vape Set Off a Fire Alarm? What You Should Know Do Vapes Set Off Smoke Alarms? Royal Flush Vape UK 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. Everyone Is Vaping on the Plane