In my 6 years working as a travel agent, I was asked about every possible theory as to how to get the best deal on a flight; from secret sites, booking on certain days of the week, to waiting until the day before the flight to get a ‘last minute deal.’ Some people swear by these strategies, but is there any truth to these theories, and are there any ways to actually get the best deal? Let me address the most common questions I would be asked.