The most frequently used airline companies from Toronto to Halifax are generally
Air France,
United Airlines,
China Southern Airlines,
Etihad Airways,
Westjet,
Swiss,
World Airways,
Lufthansa,
Austrian,
Air Transat,
Air Canada,
Avianca,
JSC Aviaprad,
Emirates,
Porter Airlines,
Lan Airlines,
LOT Polish Airlines,
China Eastern Airlines,
TAP Portugal,
Aeromexico,
Virgin Atlantic,
Delta Air Lines,
Freedom Airlines,
Korean Air,
Egyptair,
Kish Airlines,
SATA International
are companies.