Cheap Bus tickets to Sobral, BR

What are the most popular routes to Sobral?

Teresina - SobralAverage priceR$171Average duration6h 2mDaily departures18
Fortaleza - SobralAverage priceR$77Average duration5h 25mDaily departures10
Belém - SobralAverage priceR$531Average duration23h 20mDaily departures7
Rio de Janeiro - SobralAverage priceR$1 037Average duration2d 8hDaily departures2
Brasília - SobralAverage priceR$827Average duration1d 20hDaily departures2