Cheapest return flights from Chicago to Sao Paulo in March from 714€

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

Return flights

30 Mar - 04 Apr Spirit Airlines
31 Mar - 05 Apr Spirit Airlines
30 Mar - 05 Apr Frontier Airlines
25 Mar - 06 Apr Frontier Airlines
28 Mar - 05 Apr Avianca
30 Mar - 06 Apr Spirit Airlines
28 Mar - 04 Apr Spirit Airlines
30 Mar - 05 Apr United direct
31 Mar - 05 Apr United direct
30 Mar - 04 Apr United direct

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

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