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