AirHint found the following cheapest return flights from Houston (HOU) to Quito (UIO) in December 2025 (see full year).

Return flights

31 Dec - 07 Jan	Spirit Airlines
24 Dec - 29 Dec	Frontier Airlines
26 Dec - 30 Dec	Avianca
26 Dec - 07 Jan	Avianca
26 Dec - 06 Jan	Avianca
12 Dec - 10 Jan	Avianca
12 Dec - 13 Jan	Avianca
26 Dec - 02 Jan	Avianca
25 Dec - 01 Jan	Spirit Airlines
24 Dec - 05 Jan	Frontier Airlines
26 Dec - 01 Jan	Avianca
25 Dec - 05 Jan	Spirit Airlines
24 Dec - 29 Dec	United	direct
26 Dec - 30 Dec	United	direct
03 Dec - 08 Dec	United	direct

Also check the deals for one-way flights from Houston to Quito 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 Quito in December from $513

Return flights