Star Alliance member Air India via Booking.com have round trip airfares travelling from New York (JFK) to New Delhi India (DEL) for $ 646, nonstop. This airfare will allow you to have a personal item, a carry-on bag and a checked bag for free.
Travel Availability:[INDENT]Departs JFK: Sept 26, 30; Oct 1, 2, 7, 8, 9
American Airlines and Travelocity have round trip airfares travelling from New York (JFK) to New Delhi India (DEL) for $ 648, nonstop. These are main cabin economy that includes seat selection, a personal item, a carry-on bag, 1st bag checked for free and free change (fare difference applies).
Travel Availability:
Departs JFK: Feb 5-6, 12-13, 19-20, 26-27
Returns: Feb 10, 12-13, 15, 17, 19-20, 22, 26-27, 29; March 4
My sample travel dates: September 10-24, 2017, but many other dates available. See attached screenshots.
Unfortunately GoogleFlights [google.com] won’t show you the price in month/calendar view. But once you select dates, it will show you AirChina price.
You can book directly on AirChina.com or through partner websites (They may be $ 10 or so cheaper)