When flying from San Juan to Nuremberg, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Nürnberg (NUE) is the airport you will fly into if you book a flight from San Juan to Nuremberg. You should not have trouble finding flights to Nürnberg from San Juan; the airport handles an average of 0 inbound flights from San Juan per day. You should also have plenty of airline options to choose from since 1 airline has flights to the Nuremberg airport from San Juan. It is only a 2.8 mi journey from Nürnberg (NUE) to Nuremberg’s city center.