Are there nonstop flights from Boise (BOI) to São Paulo (GRU)?

No. The fastest connection is via Dallas-Fort Worth, about 13h 6m of total flying time.

What is the fastest connection from Boise (BOI) to São Paulo (GRU)?

via Dallas-Fort Worth ≈ 13h 6m, via Atlanta ≈ 13h 18m, via Chicago ≈ 13h 38m (estimated flying time, excluding layovers).

from 30,000 ANA miles, from 45,000 JAL miles (economy, one way, based on the published award charts).

Boise Air Terminal/Gowen Field (BOI) to São Paulo/Guarulhos–Governor André Franco Montoro International Airport (GRU)・10,288 km

No nonstop flights. The fastest connection is via Dallas-Fort Worth (DFW), about 13h 6m of flying time (layover not included).

With milesANA 30,000 miles+ (via ORD)JAL 45,000 miles+ (via DFW)Economy, one way, estimate. Tap a connection for miles by cabin.

None.

4 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.