The most frequently used airline companies from Toronto to Montreal are generally
Türk Hava Yolları,
Austrian,
Cathay Pacific,
Air Transat,
Aer Lingus,
Westjet,
SATA International,
Porter Airlines,
Sunwing Airlines,
Lufthansa,
Aeromexico,
China Eastern Airlines,
China Airlines,
JSC Aviaprad,
Royal Jordanian,
Delta Air Lines,
Brussels Airlines,
Xiamen Airlines,
Voyageur Airways,
Korean Air,
Air France,
Egyptair,
Eva Air,
Asiana Airlines,
China Southern Airlines,
Virgin Atlantic,
Scandinavian Airlines,
Etihad Airways,
Freedom Airlines,
Air Canada Jazz,
Air Canada,
Avianca,
Swiss
are companies.