São Paulo GRU: What to Do on a Layover
Mercadão de São Paulo in 4 hours: mortadella sandwich 1kg, bacalhau, espresso. GRU is worth leaving the terminal.
Getting from the airport
GRU to city center: 104 minutes by bus (ARUJA (CENTRO) - SAO PAULO (METRO ARMENIA)). Trains run every 12 minutes. Service runs 05:00 to 23:30. Skip the taxi unless your connection is under 5 hours.
What to do in São Paulo
The stops worth making: São Paulo Museum of Art (MASP), Ibirapuera Park, Villa-Lobos Park, Japanese quarter Liberdade. Rated above 4.4: Ibirapuera Park (4.8), Mercado Municipal de São Paulo (4.5), Museum of Art of São Paulo Assis Chateaubriand (4.7), Museu do Ipiranga (4.8), Museu Catavento (4.8). You do not need the full tourist circuit. Pick two and commit.
Visa and entry
São Paulo is visa-free for US passports. No application, no fee. The border process at GRU is standard — budget 30 minutes.
How long do you need
The minimum useful layover is 6 hours. That gives you 104 minutes in each direction plus about 62 minutes on the ground. Up to 24 hours is a proper overnight.
GRU airport
GRU has 6 lounges. For short connections under 4 hours, the terminal is the destination — food options, showers, and enough space to reset before the next leg.