Cheapest return flights from Houston to Sao Paulo in May from $643

AirHint found the following cheapest return flights from Houston (HOU) to Sao Paulo (GRU) in May 2026 (see full year).

Return flights

13 May - 19 May Spirit Airlines
24 May - 01 Jun Frontier Airlines
14 May - 21 May Frontier Airlines
20 May - 20 Jun Spirit Airlines
14 May - 21 May United direct
24 May - 01 Jun United direct
20 May - 06 Jun United direct
13 May - 19 May United direct

Also check the deals for one-way flights from Houston 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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