Iberia will launch new flights from Madrid to Washington DC and Dallas, Texas, from June 1st.
The carrier will also resume a service from MAD to SFO for the summer season.
In total, the airline will now offer nine destinations in North America, including SJU.
There are also plans to increase frequencies to JFK , BOS and LAX
Iberia will operate four direct flights from MAD to DCA, where European tourists can get close-up views of the White House and the Capitol and visit major monuments and museums.