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

Return flights

16 Dec - 21 Dec	Avianca
17 Dec - 30 Dec	Spirit Airlines
24 Dec - 29 Dec	Avianca
19 Dec - 26 Dec	Spirit Airlines
23 Dec - 02 Jan	Spirit Airlines
29 Dec - 02 Jan	Spirit Airlines
22 Dec - 02 Jan	Frontier Airlines
25 Dec - 06 Jan	Air Canada
17 Dec - 03 Jan	Spirit Airlines
22 Dec - 29 Dec	United	direct
24 Dec - 29 Dec	United	direct
17 Dec - 30 Dec	United	direct
20 Dec - 28 Dec	United
19 Dec - 26 Dec	United	direct
29 Dec - 02 Jan	United	direct
16 Dec - 21 Dec	United	direct
22 Dec - 02 Jan	United	direct
17 Dec - 03 Jan	United	direct

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

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 December from $1181

Return flights