AirHint found the following cheapest return flights from Houston (IAH) to Rio De Janeiro (GIG) in October 2025 (see full year).

Return flights

06 Oct - 20 Oct	Spirit Airlines
26 Oct - 01 Nov	Spirit Airlines
12 Oct - 19 Oct	Spirit Airlines
10 Oct - 17 Oct	Spirit Airlines
11 Oct - 25 Oct	Spirit Airlines
06 Oct - 20 Oct	United	direct
10 Oct - 17 Oct	United	direct
12 Oct - 19 Oct	United	direct
01 Oct - 31 Oct	United	direct
11 Oct - 25 Oct	United	direct
09 Oct - 13 Oct	United	direct
26 Oct - 01 Nov	United	direct

Also check the deals for one-way flights from Houston to Rio De Janeiro in October.

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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Cheapest return flights from Houston to Rio De Janeiro in October from 609€

Return flights