Airfare of the Month: March is arguably the Valley’s best month, weather-wise, and therefore not the most opportune time to travel. But doesn’t spring in New York City sound not-horrible, too? Budget carrier Frontier Airlines is offering a smoking-hot $140 round-trip, nonstop fare to the Big Apple in March, with a midweek departure. Reserve those Hamilton tix. flyfrontier.com Airfare of the Month, Regional Crisis Division: For what it’s worth, Air Canada will fly you from...