ROUTE UPDATE: Norwegian Airlines announces flights between London Gatwick (LGW) and Buenos Aires Ezeiza (EZE) eff 14Feb18

Norwegian Air UK 787 at London Gatwick (LGW) 

Photo Credit: Steve Bates from Norwegian Airlines website: http://media.norwegian.com/us/#/images/norwegian-s-787-dreamliner-at-london-gatwick-307588

Norwegian Airlines announced today the introduction of its new low-fare service between Argentina and the UK:  

* London Gatwick (LGW) - Buenos Aires Ezeiza (EZE) - eff 14Feb18

The new flights will link the two cities 4x/weekly using 787-9's equipped with 344 seats, 35 in Premium Economy and 309 in Economy operated by its Norwegian Air UK division.  Passengers will be able to connect at London Gatwick (LGW) with Norwegian flights to 38 destinations in 11 European countries.

Norwegian Air UK currently operates two 787-9 with one on order. 

Sources:

https://aerospotter.blogspot.com.ar/
http://www.sirchandler.com.ar/2017/06/anuncio-oficial-norwegian-la-ruta-buenos-aires-otras-consideraciones/ 
http://media.norwegian.com/us/#/news/norwegians-uk-growth-continues-with-a-new-route-from-london-to-argentina-247891