The most frequently used airline companies from Curitiba to Sao Paulo are generally
Türk Hava Yolları,
Aeromexico,
KLM,
Swiss,
Alitalia,
Delta Air Lines,
Air Europa,
American Airlines,
Gol Linhas Aereas,
Air France,
Japan Airlines,
Lufthansa,
Avianca,
Copa Airlines,
Qatar Airways,
United Airlines,
Ethiopian Airlines,
Tam Linhas Aereas,
Azul Linhas Aereas Brasileiras,
Aerolineas Argentinas,
Lan Airlines,
British Airways,
Qantas Airways,
Emirates,
TAP Portugal,
Iberia,
Virgin Atlantic,
Air Canada
are companies.