No, it is not legal to fly from the US to France by using a vape pen and also a cartridge containing cannabis oil. The two the US and France have rules that prohibit the transportation of controlled substances throughout Intercontinental borders, which include on an plane. At TRĒ Home, https://danteyqyww.wikinewspaper.com/3405923/5_essential_elements_for_thc_vape_france