Travel to Halifax by Air

Halifax has good connections to a number of international hubs. The primary carrier is Air Canada, which has direct flights Toronto, Montreal, Boston, Washington DC (likely during the summer), and London Heathrow. Further, it is a member of Star Alliance which makes connections through other carriers quite straightforward.

Other carriers include

Delta (flights operated by a Delta connection carrier)
Business Express (an American Airlines carrier)
Continental Express, which flies from Newark direct to Halifax

There are also a number of discount carriers that serve Halifax from major Canadian cities.