Azul Linhas Aéreas Brasileiras, Aerolíneas Argentinas and 4 other airlines fly from Montevideo to Curitiba hourly. Alternatively, Ttl operates a bus from Montevideo to Curitiba once daily. Tickets cost $110 - $150 and the journey takes 25 h 10 min.
How to get from Montevideo to Curitiba
From Montevideo, Tres Cruces bus to Montevideo airport, fly to Curitiba airport, then shuttle to Curitiba. 7 h $296. From Montevideo bus to Curitiba. 25 h 10 min $131. From Montevideo drive to Curitiba. 20 h 13 min $272.