Flights into Port-Au-Prince (PAP)
Miami & New York with American Airlines, Jet Blue, and United Airways (several times a day). Requires an overnight stay if travelling into these airports from another city.
Montreal with Air Transat (2 flights a week)
Paris Orly with Air Caraibes flying direct and Air France via Guadeloupe (5-6 flights a week between the two).
Santo Domingo (Dominican Republic) with Sunrise Airways (twice a day). You can fly into Punta Cana or Peurto Plata and then drive to Santo Domingo and stay overnight.
Santiago de Cuba (Cuba) with Sunrise Airways (twice a week)
Panama with Copa Air (6 times a week)
Flights into Cap Haitien (CAP)
American Airlines flies daily from Miami
There are frequent domestic flights within Haiti.