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

Return flights

08 Apr - 14 Apr	GOL Linhas Aéreas
03 Apr - 08 Apr	Avianca
17 Apr - 25 Apr	Avianca
23 Apr - 29 Apr	GOL Linhas Aéreas
24 Apr - 29 Apr	GOL Linhas Aéreas
29 Apr - 14 May	Avianca
30 Apr - 06 May	Avianca
30 Apr - 05 May	Avianca
23 Apr - 30 Apr	Avianca
30 Apr - 07 May	Avianca
17 Apr - 24 Apr	Avianca
16 Apr - 24 Apr	GOL Linhas Aéreas
30 Apr - 16 May	Avianca
30 Apr - 14 May	Avianca
30 Apr - 15 May	Avianca
29 Apr - 13 May	Avianca
28 Apr - 05 May	GOL Linhas Aéreas
28 Apr - 16 May	GOL Linhas Aéreas
23 Apr - 23 Apr	Copa

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

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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Cheapest return flights from Washington to Sao Paulo in April from 319€

Return flights