AirHint found the following cheapest return flights from Houston (IAH) to Sao Paulo (GRU) in May 2026 (see full year).
Return flights
| 17 May - 23 May | Spirit Airlines | ||
| 20 May - 06 Jun | Spirit Airlines | ||
| 29 May - 13 Jun | Spirit Airlines | ||
| 17 May - 23 May | United | direct | |
| 20 May - 06 Jun | United | direct | |
| 29 May - 13 Jun | United | direct |
Also check the deals for one-way flights from Houston to Sao Paulo in May.
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