In the age of internet everyone is now booking their own air travel tickets. We recommend this, as the airlines don’t pay travel agents enough to make it worth their while to try all the tricks to get you a better deal. As you know, there is a lot of free advice on how best to do this, from information on what day of the week to travel to which airline offers the best fares. Since it’s profitable to become an expert on this subject, you might find this article from the NY Times interesting. Of special note are the links to specialized travel sites such as Google Flights and others that will compare fares and send you alerts on sales, etc. The best piece of advice from this article is to start shopping for fares early, but don’t commit to a fare right away.