Cheapest return flights from Seattle to Sao Paulo in January from $600

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

Return flights

20 Jan - 30 Jan American Airlines
21 Jan - 30 Jan American Airlines
24 Jan - 25 Feb American Airlines
18 Jan - 01 Feb LATAM Airlines Group
22 Jan - 30 Jan Delta
16 Jan - 20 Jan LATAM Airlines Group
28 Jan - 31 Jan American Airlines
30 Jan - 06 Feb American Airlines
16 Jan - 19 Jan LATAM Airlines Group
04 Jan - 09 Jan Frontier Airlines
09 Jan - 11 Jan Hawaiian Airlines
02 Jan - 15 Jan American Airlines
04 Jan - 13 Jan Copa

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

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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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