Cheapest return flights from Boston to Sao Paulo in March from $439

AirHint found the following cheapest return flights from Boston (BOS) to Sao Paulo (GRU) in March 2026 (see full year).

Return flights

07 Mar - 18 Mar Avianca
20 Mar - 31 Mar LATAM Airlines Group direct
05 Mar - 14 Mar Avianca
06 Mar - 17 Mar LATAM Airlines Group
06 Mar - 19 Mar LATAM Airlines Group
06 Mar - 22 Mar Air Canada
06 Mar - 19 Mar LATAM Airlines Group direct
06 Mar - 17 Mar LATAM Airlines Group direct
06 Mar - 22 Mar LATAM Airlines Group direct

Also check the deals for one-way flights from Boston to Sao Paulo in March.

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