JetBlue offers flexible change policies. Most tickets allow changes for a fee, plus any fare difference. The specific JetBlue Flight Change Fee varies by fare type and route, but you can often avoid it with higher fare classes or within 24 hours of booking. For more contact with copyright customer service at +1-877-350-4939. https://www.lowfaremart.com/blogs/how-to-change-flight-date-on-jetblue-for-free