You need to shop around to get the cheap airline tickets by trying different booking discount airline ticket sites, altering your dates, and waiting until just the right time to purchase. But if you’re willing to put in a little time and effort, you can easily fin your cheap airline tickets. Airline ticket prices typically go up in the last two weeks before flying, and if you’re traveling internationally, you will want to book even earlier from three to six months in advance for the best deals. When a New York City man developed a website, Skiplagged.com, last year, which helped travelers find cheaper flights through this style of ticketing, both United…