The people in the area basically speak the same dialect as in Antioquia. Soon you'll recognize that the word "pues" can be used in every sentence.
To get in Filandia, you can take regular busses from Armenia (40min, 4500 as of July 2018) or Pereira, from Salento there are Willys (jeeps) which leave when full (5000cop as of June 2018).
As in entire Colombia: by buses of all sizes you can reach every point.
Stay in one of the touristic "fincas" where you can do horse riding or swimming.
Go to the "El Parque del Café" where you can see different fauna, vegetation. You can also see there some typical dances and enjoy the nice weather.
In some of the remote areas of the Los Nevados park there is guerrilla presence. Usually they don't harm tourists.
From Filandia to Salento the willys (jeeps) leave from the main square when full (5000 cop pp as of July 2018).
From Filandia to Armenia the busses leave pretty much whole day, the official stop is on Carrera 5 south of the min square, but you can catch them pretty much anywhere on the way out of town (4500 cop as of July 2018)