How to Keep Vape Carts From Clogging for Good Amazon.com: No Smoking Sign This Is A Smoke And Vape Free Building Hygiene Metal Tin Sign 12x16 Inches : Industrial & Scientific Don't Let Vape Wyoming Department of Health 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.