The most frequently used airline companies from Ottawa to Toronto are generally
Türk Hava Yolları,
Air Canada,
TAP Portugal,
Swiss,
Avianca,
Austrian,
Delta Air Lines,
Virgin Atlantic,
Xiamen Airlines,
Qantas Airways,
Korean Air,
LOT Polish Airlines,
Aeromexico,
China Southern Airlines,
United Airlines,
Air Ecuador Airecu,
Westjet,
Philippine Airlines,
Emirates,
Air Canada Jazz,
Scandinavian Airlines,
Lufthansa,
Air France,
Air Transat,
Egyptair,
Cathay Pacific,
JSC Aviaprad,
Asiana Airlines,
Aer Lingus,
Lan Airlines,
Porter Airlines,
SATA International
are companies.