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

Return flights

26 Aug - 09 Sep	Frontier Airlines
21 Aug - 03 Sep	Spirit Airlines
26 Aug - 05 Sep	Frontier Airlines
07 Aug - 12 Aug	Frontier Airlines
21 Aug - 04 Sep	United	direct
25 Aug - 08 Sep	United	direct
27 Aug - 10 Sep	United	direct
28 Aug - 11 Sep	United	direct
26 Aug - 09 Sep	United	direct
21 Aug - 03 Sep	United	direct
29 Aug - 12 Sep	United	direct
06 Aug - 20 Aug	United	direct
12 Aug - 26 Aug	United	direct
13 Aug - 27 Aug	United	direct
11 Aug - 25 Aug	United	direct
20 Aug - 27 Aug	United	direct
15 Aug - 29 Aug	United	direct
16 Aug - 30 Aug	United	direct
04 Aug - 18 Aug	United	direct
05 Aug - 19 Aug	United	direct

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

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 August from 556€

Return flights