How can one discover hidden city flights and take advantage of this travel hack"?

To discover hidden city flights and take advantage of this travel hack, one can search for flights with layovers in the desired hidden city and book the final destination as the layover city. This can often result in cheaper fares compared to booking a direct flight to the hidden city. However, it's important to note that airlines may have restrictions and consequences for using this strategy, so travelers should proceed with caution.