Sandy, I found this and thought I would post it for you.
Port of Entry/How to get there
The best airport to land at is the Punta Cana International Airport, a 10 to 40 minute drive from East Coast hotels. This airport offers scheduled service from
United States: American Airlines (New York, Miami), United (Chicago), US Airways (Philadelphia and Charlotte, NC), Continental (Newark).
Canada: Air Canada (Calgary, London, Montreal, Ottawa, Toronto, Winnipeg) and Air Transat (Calgary, Edmonton, Halifax, Montreal, Toronto, Vancouver, Winnipeg).
Caribbean: American Eagle (San Juan, Puerto Rico).
Europe: Martinair (Amsterdam), Holland Exel (Amsterdam and Brussels), Air France (Paris), Air Plus Comet, Iberworld and Air Pullmantur (Madrid), Condor (Frankfurt), LTU (Dusseldorf and Munich), Aerofly and Lauda Italy (Milan), Lauda Austria (Viena).
Latin America: Avianca (Bogota), Aeropostal (Caracas), Lanchile (Miami and Santiago de Chile). There is additional charter service from: Atlanta, Baltimore, Boston, Cleveland, Detroit, Minneapolis, Pittsburgh and St. Louis; Hamilton, Calgary, Edmonton, Ottawa, Quebec, Toronto, Windsor, Winnipeg; Brussels, Lisbon, Manchester, Moscow and Zurich; Buenos Aires.
The second best airport for this destination is the La Romana Airport, which is about 1-1/2 to 2 hours drive away from your hotel. If you land at Las Americas International (Santo Domingo) you will be a four hour drive and an expensive taxi ride away.
SAP (Takeoff Destination Services) to Santo Domingo/Las Americas(US$115), La Romana (US$34), Puerto Plata (US$163) and Portillo, Samana(US$115) .
The cheapest and best way to get to and from Santo Domingo is by commuter expressbus. This will cost about US$8.