Jet Blue Airlines has a complete system of flying internationally and there are some restrictions applied to it such as: For more information on the best way to get, recharge or generally deal with your visa, if it's not too much trouble visit the Jet Blue Airlines Official Site link opens in another window.Clients voyaging globally should check in for their trip amid Customs long stretches of the activity or they will be denied loading up. If you have any iota of doubt left, it will be resolved once you call at the JetBlue Airlines contact number.