Cheapest one-way flights from Seattle to Sao Paulo in December from 407€

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

One-Way flights

28 Dec United
20 Dec Frontier Airlines
19 Dec Frontier Airlines
25 Dec United
18 Dec Hawaiian Airlines
26 Dec United
27 Dec United

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

Skyscanner

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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