Comprehensive Recommendation
Given the significant distance between Belem, PA and Pentecoste, CE, air travel is the most efficient mode of transport, taking only about 7 hours compared to the lengthy 30-hour bus ride. Although bus travel is more economical, air travel provides a considerable time saving.
Check the prices and schedules for LATAM Airlines and Azul Brazilian Airlines to find the best deal for air travel. If you prefer bus travel, make reservations with Guichê Virtual or Itapemirim in advance to guarantee your seat and possibly secure lower fares.
Overall, for a balance of time and cost, air travel is recommended.