São Paulo is Brazil's primary international gateway and is served by two major airports: Guarulhos International Airport (GRU) for most international and long-haul domestic arrivals, and Congonhas Airport (CGH) for high-frequency domestic shuttle arrivals. This dual system creates immense choice and competition for inbound travel, making it the best place in South America to find flight deals into São Paulo.
The most frequent and affordable arrivals are domestic. The iconic "Ponte Aérea" (Air Bridge) from Rio de Janeiro's Santos Dumont (SDU) to CGH is one of the world's busiest arrival routes. Other top domestic departure points with high competition and low fares into São Paulo include Brasília (BSB), Belo Horizonte (CNF), Salvador (SSA), and Porto Alegre (POA). Into GRU, you can find direct arrivals from virtually every major city worldwide.
All major Brazilian carriers (LATAM, GOL, Azul) and dozens of international airlines compete fiercely on routes into both GRU and CGH. This competition, especially on popular domestic corridors and key international arrival routes from North America and Europe, drives prices down and creates frequent sales for inbound travel to São Paulo.
To secure cheap flights to São Paulo, always compare arrival fares into both GRU and CGH for domestic trips — CGH is often cheaper for business shuttle route arrivals. Book domestic arrivals into São Paulo 2-4 weeks in advance. For international arrivals into GRU, set fare alerts and be ready to book 2-5 months ahead. Being flexible with your arrival airport (GRU vs. CGH) and travel dates, especially avoiding weekends into São Paulo, will unlock the best deals into this major hub. For long-haul arrivals, consider flying into Rio de Janeiro (GIG) first if cheaper, then taking a domestic flight or bus to São Paulo.