Official U.S. government information about transporting knitting needles and needlepoint on airlines. "Knitting needles are permitted in your carry-on baggage or checked baggage. However, there is a possibility that the needles can be perceived as a possible weapon." Discusses recommended needles, and mailing needles if they are not allowed through an airport security checkpoint. From the Transportation Security Administration (TSA), U.S. Department of Homeland Security.