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