Depending on what your destination is and how long you plan on making your trip for, the airfare may be the priciest expense. Because of this, finding a great deal on the airfare becomes extremely important. The more money you are able to save on the plane tickets, the more money you will be able to use toward your actual vacation. When it comes to purchasing your airline tickets, the sooner the better. This goes for basically anywhere you plan on traveling. When you purchase a ticket sooner, lets say several months before the trip, there will be less of a demand, which will drive the price of the ticket down. However, on the flip side, as the day of the desired flight approaches, the flight's seats will begin to fill up. As fewer and few seats become available, the higher the demand will be, which will drive the price up. Booking the flight in as far advance as you can may save you hundreds of dollars in the long run.Flying during the middle of the week is generally the cheapest time to fly. Fewer people travel during mid week than on Friday through Sunday. If at all possible, fly out on a Tuesday or Wednesday. You may actually find prices significantly less expensive on the Wednesday than the Sunday of the same week. Looking for airfare online will probably be your best be at securing the cheapest possible flight price. There are multiple booking agencies which specialize in finding the cheapest airfare. However, to save time, go to Bing.com, which offers a comprehensive flight search option. Bing will search other travel sites (Expedia, Priceline, ***wire, etc.) and display the cheapest flight form each site. From here you will be able to decide which website offers the best deal.Students can often find discounted airfare by visiting STA.com. This is the Student Travel Association, and it can sometimes find less expensive airfare for the traveling student.