Why You Should Think Twice About Vaping on a Plane: 'Don't Be This Person' Newsweek Passengers on a recent flight from Phoenix to San Francisco witnessed an unusual mid air standoff after a flight attendant confronted a passenger accused of vaping in the aircraft bathroom. The traveler, later 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. Can you travel with a vape in 2023? Can You Bring A Vape on A Plane? [2021]