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