Yes, it's legal to fly domestically within the United States with CBD gummies. The Transportation Safety Adminstation states on its website that CBD gummies made from hemp with THC not above 0.3% are legal to fly with in either your checked baggage or carry-on. No need to worry or hide your CBD gummies from security. They are perfectly legal to fly with inside the United States. If you plan to travel internationally, we recommend not traveling with CBD products.