Discover How Jetblue flight change policy Can Increase Your Travel Freedom. With JetBlue hassle free policy you can easily modify your trip and enjoy unmatched flexibility. Use the JetBlue app or website to easily adjust your arrangements in the event of an unexpected event or a change of heart. Take advantage of fee-free modifications on a few fares, giving you the freedom to welcome the unexpected with open arms. JetBlue gives you control over your travel experience, allowing for easy modifications according on your requirements. With JetBlue, you can travel at your own pace and take advantage of opportunities for spontaneity and adventure on every trip.