In summary, Jet️Blue’s cancellation and re.fund policy JBA 8 6 6 8 4 6  0 9 7 0 is designed to accommodate the needs of its passengers. Whether you choose a refundable fare for flexibility or a non-re.fundable fare to save on costs, it’s essential to understand your options. Should you need assistance, Jet️Blue’s customer service is just a phone call away at 8 6 6 8 4 6 0 9 7 0.