The Tampa service leads in, one way, from £175 in economy and £515 premium.
The low-cost carrier revealed its full long-haul winter schedule at Gatwick on Monday (June 25), which will fly October 281 to March 31, 2019.
Its Fort Lauderdale service becomes daily, up from three flights a week, while the airline has bolstered its Orlando service, increasing it from three flights a week to four.
Other US additions include a third weekly flight to Las Vegas and a new daily Boston service, up from five flights a week currently.
Meanwhile, Norwegian’s Gatwick-Buenos Aires service will increase to a daily service.
Thomas Ramdahl, Norwegian’s chief commercial officer, said: “Norwegian continues to offer customers increased choice, flexibility and value throughout winter 2018 and we are pleased to welcome Tampa, Florida, as a new destination to our network.
“Our modern fleet of aircraft allow customers, whether travelling for work or leisure, to enjoy their trip from the moment they step on board thanks to our award-winning state of the art entertainment system, comfortable and spacious cabin and friendly cabin crew.”
Norwegian’s new Tampa route will launch on October 31 and goes to head-to-head with British Airways, which already operates a daily Gatwick-Tampa service from Gatwick.
It will depart Gatwick 2.55pm Wednesdays and Saturdays arriving Tampa 7.35pm, returning the same day departing Tampa 9.00pm arriving Gatwick 9.55am (+1).
Guy Stephenson, Gatwick’s chief financial officer, added: “Norwegian’s new Tampa service, a new daily schedule for the existing Buenos Aires and Boston routes and increases to other services, all give our passengers yet more choice and flexibility.
“This choice, combined with the airline’s competitive prices and high quality service, are appreciated by both our business and leisure passengers and are an important reason for Norwegian’s success at Gatwick.”
