When flying from Lehigh Valley to Stuttgart, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Stuttgart Echterdingen (STR) is the airport you will fly into if you book a flight from Lehigh Valley to Stuttgart. It is only a 6.2 mi journey from Echterdingen (STR) to Stuttgart’s city center.
This is defined as Allentown-Bethlehem Airport (ABE) and Stuttgart Echterdingen Airport (STR). Codes like Stuttgart Echterdingen Airport are often used to just call airports uniquely.