Cheapest return flights from Chicago to Sao Paulo in March from $509

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

Return flights

18 Mar - 22 Mar Arajet
04 Mar - 19 Mar Arajet
09 Mar - 11 Apr Arajet
04 Mar - 13 Mar Arajet
19 Mar - 29 Mar GOL Linhas Aéreas
05 Mar - 25 Mar Air Canada
11 Mar - 11 Apr Arajet
10 Mar - 10 Apr Spirit Airlines
01 Mar - 31 Mar Frontier Airlines
19 Mar - 23 Mar Avelo Airlines
13 Mar - 24 Mar Avelo Airlines
19 Mar - 01 Apr Air Canada
16 Mar - 24 Mar Avianca
26 Mar - 04 Apr Air Canada
20 Mar - 02 Apr Air Canada
03 Mar - 13 Mar Copa
19 Mar - 01 Apr United direct
08 Mar - 08 Apr United direct
20 Mar - 02 Apr United direct
09 Mar - 09 Apr United direct

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

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