Vape pens, disposables, mods, e cigs these smoking devices can be dangerous on a flight. Please pack them safely by keeping them with you in the cabin, not in your checked bags. Do Smoking and vaping are often compared, but neither is harmless. While they work differently, both can expose the lungs to addictive nicotine and harmful chemicals that impact breathing and overall health. Smoking Vaping: Safe? Or Are Your Lungs Going Up In Smoke? How long does vape smoke stay in the air? Daily Mail Online