Is there anyplace where I can never carry my pepper spray? Yes. You cannot carry pepper spray on board commercial aircraft. This is a Federal crime that can carry up to a $25,000 dollar fine. It is ok to carry pepper spray in your checked baggage although it is highly advisable that you notify the ticketing agent when you check your baggage. Also since 9/11/01 you may have issues when carrying pepper spray into secured locations such as a Federal buildings, State buildings or anyplace where you pass through a security checkpoint. Although there are no laws that we are aware of you should use your common sense here.