New super cheap flights from Europe to Dominican Republic are available based on service of new low-cost long-haul carrier Level. (Part of British AIrways family). However flights are operated by Iberia at this moment. You can now book non-stop return flights from Barcelona to Dominican Republic, classic beach destination in Caribbean already for €182! This is including all taxes and fees but no checked bag. If you are flexible enough you can book such an extremly cheap flights from Europe to Caribbean also next main tourist season in winter 2017/2018..
If interested in this Level / Iberia promotion you will find plenty of travel options (however very limited seats available) in travel period between September 2017 and January 2018.
Booking samples
Barcelona - Dominican Republic from €197 (Directly with carrier, travel samples below)
Travel samples
23. - 30.9.
4. - 18.11.
14. - 23.12.
30.12. - 13.1.
Booking sample of cheap non-stop return flights from Barcelona to Dominican Republic from €182 here. In this case you would depart from Spain to this Caribbean isle on 4th of November. Your return flight from this exotic holiday destination back to Europe would be on 18th of November 2017.