Can You Bring A THC Vape On A Plane? TSA and Federal Rules It's the grand finale of #ProhibitedItemsWeek so let's go out with a bang (not literally, of course). First off, let's clear the runway: TSA isn't actively searching for illegal substances, but if Can I Bring Delta 8 Pen on Plane Rides? [TSA Rules You Should Know] Exhale Wellness TSA Check: 'We're Cool' And We're Not Looking For Your Weed Can I Travel Domestically with a Delta 9 Vape?