How Do I Book a Multi-City Flight on Singapore Airlines? Passengers can easily reserve their multi city flights on Singapore Airlines. For this, they have to be familiar with the airline's booking methods. Moreover, to book Singapore Airlines multi city flights, one has to connect with the customer support team via phone call. There, they can simply communicate with their professionals and ask any doubts regarding their journey. Also, one can visit the online portal of the airline to secure their ticket. For more details about the multi city flights of Singapore Airlines, one can visit its official website or go through the above blog mentioned by Group Travel Airlines. #singaporeairlinesmulticityflights #singaporeairlinesmulticity #singaporeairlinesmulticitytrip