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

Return flights

20 Jan - 06 Feb	Avianca
21 Jan - 28 Jan	Avianca
30 Jan - 09 Feb	Copa
24 Jan - 02 Feb	Copa
30 Jan - 09 Feb	United	direct
28 Jan - 25 Feb	United	direct
20 Jan - 06 Feb	United	direct
23 Jan - 01 Feb	United	direct
21 Jan - 02 Feb	United	direct
21 Jan - 01 Feb	United	direct
21 Jan - 28 Jan	United	direct

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

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 January from 326€

Return flights