Cheapest one-way flights from Seattle to Sao Paulo in December from 273€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Sao Paulo (GRU) in December 2025 (see full year).

One-Way flights

08 Dec Frontier Airlines
10 Dec Hawaiian Airlines
29 Dec LATAM Airlines Group
23 Dec LATAM Airlines Group
01 Dec LATAM Airlines Group
11 Dec LATAM Airlines Group
05 Dec LATAM Airlines Group
20 Dec LATAM Airlines Group

Also check the deals for return flights from Seattle to Sao Paulo in December.

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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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