United Airlines offers roundtrip flights to New York City from select cities in the U.S. with prices starting at $116.20, as provided by ShermansTravel. That's the second-lowest rate we've seen for flights to New York. It's also a current low for select routes by $18. This price is valid on flights departing from Boston, MA, (BOS) with arrival in Newark, NJ, (EWR) on August 19 with return on August 25. Book this travel deal by July 25 for travel August 1 through September 30. Click here to see more routes.