Cheapest return flights from Washington to Sao Paulo in March from $475

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

Return flights

18 Mar - 27 Mar Copa
20 Mar - 24 Mar Copa
23 Mar - 01 Apr Copa
16 Mar - 23 Mar Copa
18 Mar - 23 Mar Copa
20 Mar - 29 Mar Copa
23 Mar - 07 Apr Breeze Airways
23 Mar - 08 Apr Breeze Airways
17 Mar - 22 Mar Copa
19 Mar - 28 Mar Copa
19 Mar - 22 Mar Copa
11 Mar - 17 Mar Copa
23 Mar - 06 Apr Breeze Airways
11 Mar - 29 Mar Copa
31 Mar - 10 Apr Copa

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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