The best price found from United States to New Brunswick is on October 14th, 2017, travelling with Porter Airlines. See more options, compare prices and book: search flights.
Air Canada has several daily flights from Halifax, Montréal, Ottawa and Toronto into Moncton, Saint John, Fredericton and Bathurst. Moncton has WestJet services from Toronto. WestJet also flies into Fredericton.