There are many possibilities for finding flights from UK to New York for quite low prices, both direct and with scale. Many companies have acceptable connections, so it is recommended if you can, be as flexible as possible on the dates and resort to all possible combinations of search.

For those who wish to fly to New York without a stop, there are direct flights from several companies from Madrid and Barcelona.

Since direct flight to Madrid is one of the two city airports (JFK or Newark) Iberia, Continental and Delta. The latter two fly in code share with Air Europe and Air France, respectively, which is not uncommon to appear in search engines tickets for these two companies. Delta has one daily flight, and Continental and Iberia offer two daily flights. In general, the two American companies offering cheaper prices and special offers to Iberia, but much depend on the day and the occupation of the flight.

Flights on offer (Madrid)
Direct flights from Barcelona to New York the same three companies: Delta, Continental and Iberia, although only one daily flight.

 
Flights on offer (Barcelona)
For connections from other parts of Spain, the possibilities go through a stop in Madrid or Barcelona or look for some connection with lines where the scale is made outside Spain.

There are many companies that connect Spain with New York with a stop in different cities. Each one will have to choose whether it compensates the mix, savings or time travel added to choose whether to live or travel any intermediate stop.

Among the most prominent spot price or offers are Air France, KLM, British, Swiss and Lufthansa. All of them calling at various places in Europe and have connections with lots rioja Spanish airports that do not have to pass through Madrid or Barcelona. Travel time, yes, often higher. In the case of the Star Alliance group of airlines: U.S. Airways, Spanair, or offer the trip to New York in connection with Philadelphia.
 
Flights to New York: useful information.
New York, with more than 20 million inhabitants in its metropolitan area is the most populated city in the United States and the continent’s second (after Mexico City). Its official name is City of New York, although it is popularly known in the Big Apple. The city has 3 airports: the JFK International Airport, Newark Liberty International and La Guardia Airport. Due to high traffic congestion and high parking fees, public transport is a major means of travel for New Yorkers. For all we know that, although the official language of the United States is English, in cities like New York, Chicago and Miami there are a number of Spanish speakers.
 
There are many interesting places that can be visited in New York, especially a city rich in museums, among them the Metropolitan Museum of Art, the Museum of Modern Art (aka MOMA), the Guggenheim Museum or the Museum Brooklyn.
 
While the main attraction of New York can be found for many people in the streets and the people of the city, visit some places where it becomes essential, as is St. Patrick’s Cathedral, the area of Wall Street The Ground Zero of the World Trade Center, Chinatown, SoHo, Broadway, Empire State Building, the United Nations building, Rockefeller Center, Bronx, Central Park, the Brooklyn Bridge, the Statue of Liberty, Madison Square Garden Center.