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

Return flights

21 Aug - 25 Aug	Spirit Airlines
05 Aug - 20 Aug	Spirit Airlines
15 Aug - 25 Aug	Spirit Airlines
17 Aug - 21 Aug	Spirit Airlines
10 Aug - 14 Aug	Spirit Airlines
30 Aug - 14 Sep	Spirit Airlines
28 Aug - 31 Aug	Spirit Airlines
04 Aug - 18 Aug	Spirit Airlines
05 Aug - 20 Aug	United	direct
12 Aug - 26 Aug	United	direct
13 Aug - 27 Aug	United	direct
25 Aug - 08 Sep	United	direct
26 Aug - 09 Sep	United	direct
28 Aug - 11 Sep	United	direct
19 Aug - 02 Sep	United	direct
21 Aug - 04 Sep	United	direct
27 Aug - 10 Sep	United	direct
18 Aug - 01 Sep	United	direct
20 Aug - 03 Sep	United	direct
30 Aug - 14 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 $584

Return flights