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

Return flights

20 May - 30 May	Avianca
08 May - 10 May	Avianca
01 May - 03 May	GOL Linhas Aéreas
01 May - 04 May	GOL Linhas Aéreas
13 May - 20 May	GOL Linhas Aéreas
01 May - 16 May	GOL Linhas Aéreas
22 May - 30 May	GOL Linhas Aéreas
24 May - 30 May	GOL Linhas Aéreas
23 May - 07 Jun	GOL Linhas Aéreas
30 May - 06 Jun	GOL Linhas Aéreas
13 May - 20 May	United	direct
22 May - 30 May	United	direct
23 May - 07 Jun	United	direct
30 May - 06 Jun	United	direct

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

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 May from 319€

Return flights