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

Return flights

22 Jan - 25 Jan	Air Canada
21 Jan - 02 Feb	Avianca
15 Jan - 25 Jan	Avianca
20 Jan - 06 Feb	Avianca
16 Jan - 25 Jan	Air Canada
17 Jan - 25 Jan	Air Canada
27 Jan - 31 Jan	Copa
23 Jan - 31 Jan	Air Canada
31 Jan - 13 Feb	Air Canada
17 Jan - 24 Jan	Air Canada
23 Jan - 14 Feb	Avianca
16 Jan - 26 Jan	Frontier Airlines
31 Jan - 13 Feb	United	direct
21 Jan - 02 Feb	United	direct
14 Jan - 01 Feb	United	direct
21 Jan - 01 Feb	United	direct
23 Jan - 01 Feb	United	direct
14 Jan - 31 Jan	United	direct
22 Jan - 25 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 $600

Return flights