Yes there is a company I think it's called caribeair they have a daily flight from SDQ to PUJ, it's about 75 dollars per person one way if booked in advance. Contact any local travel agent, as the airline does not have a website or web sales.
hi Rubio,
not sure, i am not that often at the airport.
thanks god we live in paradise, no need to waste time on airports/travels aso, lol.
take care
Mike