Best Way to Take Weed Pen Through TSA and Customs Are you a smoker? Here's our advice if you're brining vapes on the plane: They are allowed in carry on bags only. The FAA prohibits these items in checked bags. You can find Flying with Vapes and E Cigarettes Traveling with Your Vape Travel tip: Vapes must be packed in your carry on bag. Keep them there while traveling through airports and on the plane. The only clouds you should be chasing are the ones your Will You Get Flagged For Taking A Vape Through TSA Security?