Cheapest return flights from Seattle to Sao Paulo in May from $488

Best time to book flights for Seattle (SEA) to Sao Paulo (GRU) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Sao Paulo (GRU) in May 2025 (see full year).

Return flights

14 May - 21 May United
19 May - 25 May LATAM Airlines Group
23 May - 26 May United
27 May - 11 Jun Air Canada
22 May - 25 May Air Canada
22 May - 26 May LATAM Airlines Group
11 May - 17 May Frontier Airlines

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

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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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