Cheapest return flights from Detroit to Sao Paulo in March from $579

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

Return flights

22 Mar - 27 Mar Spirit Airlines
10 Mar - 15 Mar Spirit Airlines
17 Mar - 30 Mar Frontier Airlines
25 Mar - 07 Apr Spirit Airlines
25 Mar - 08 Apr Frontier Airlines
04 Mar - 11 Mar Frontier Airlines
24 Mar - 06 Apr Spirit Airlines
30 Mar - 08 Apr Frontier Airlines
26 Mar - 07 Apr Spirit Airlines
26 Mar - 08 Apr Spirit Airlines
25 Mar - 06 Apr Frontier Airlines
30 Mar - 11 Apr Frontier Airlines
25 Mar - 09 Apr Frontier Airlines
30 Mar - 04 Apr Frontier Airlines
06 Mar - 22 Mar Spirit Airlines
12 Mar - 15 Mar Spirit Airlines
06 Mar - 20 Mar Frontier Airlines
11 Mar - 14 Mar Frontier Airlines

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

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