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

Return flights

13 Aug - 20 Aug	Spirit Airlines
18 Aug - 17 Sep	Frontier Airlines
13 Aug - 15 Sep	Frontier Airlines
11 Aug - 18 Aug	Spirit Airlines
08 Aug - 15 Aug	Frontier Airlines
07 Aug - 14 Aug	Frontier Airlines
10 Aug - 17 Aug	Spirit Airlines
04 Aug - 07 Aug	Volaris
11 Aug - 15 Aug	Avianca
27 Aug - 10 Sep	United	direct
28 Aug - 11 Sep	United	direct
31 Aug - 14 Sep	United	direct
30 Aug - 13 Sep	United	direct
01 Aug - 03 Aug	Spirit Airlines
18 Aug - 17 Sep	United	direct
29 Aug - 12 Sep	United
20 Aug - 27 Aug	United	direct
13 Aug - 15 Sep	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 497€

Return flights