Please be aware that New York has multiple airports and that these results are for all airports serving the city.
The best month to arrive at New York is November and the most expensive month to fly is August. (Average prices, based on 559 datapoints.)
The cheapest airline flying to New York is JetBlue. They are 91% cheaper than United Airlines. (Average prices, based on 598 datapoints.)
At New York the most flights depart around 13:00. (Hourly flights, based on 1447 datapoints.)
From New York it is on average the cheapest to fly to Los Angeles and to Brussels. (Average prices, based on 260 datapoints.)
From New York most of the flights depart to Toronto, second best connected from New York is Boston. (Daily flights, based on 293 datapoints.)