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