
Canada's big cities and national parks are a short flight from most of the US. Toronto, Montreal and Vancouver are the major gateways, with easy connections to Quebec City, Halifax, Victoria and Calgary for Banff. Cross-border competition keeps cheap flights to Canada available year-round.
Cheap airfare to Canada is mostly about timing and flexibility. Compare fares across airlines and nearby airports, shift your dates a few days either way, and book when the price looks right.
Air Canada is the flag carrier, alongside WestJet, Porter Airlines and Air Transat. Major US airlines and their alliance partners serve Canadian cities from US hubs.

Airports: YYZ, YTZ

Airport: YUL

Airport: YVR

Airport: YQB

Airport: YHZ

Airport: YYJ

Airport: YYC
Summer and the Christmas holidays are the busiest times. Spring and fall usually bring lower fares; winter can be cheap for city breaks, while ski season lifts prices to Calgary.
Yes, US citizens flying to Canada need a valid passport or another accepted document such as a NEXUS card. Check current rules before you travel.
At several major Canadian airports, you clear US customs and immigration before boarding your flight to the United States, arriving as a domestic passenger.
Fares are often lower in spring and fall, outside the summer peak and holiday periods.