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

Return flights

09 Jul - 19 Jul	Avianca
22 Jul - 29 Jul	Avianca
18 Jul - 14 Aug	Avianca
17 Jul - 14 Aug	Avianca
16 Jul - 13 Aug	Avianca
23 Jul - 13 Aug	Avianca
02 Jul - 31 Jul	Avianca
23 Jul - 27 Jul	Avianca
11 Jul - 30 Jul	Copa
23 Jul - 13 Aug	United	direct

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

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 July from $667

Return flights