AirHint found the following cheapest return flights from Morelia (MLM) to Houston (IAH) in December 2025 (see full year).

Return flights

11 Dec - 31 Dec	Viva
11 Dec - 01 Jan	Viva
31 Dec - 13 Jan	Viva
16 Dec - 31 Dec	Viva
16 Dec - 01 Jan	Viva
16 Dec - 06 Jan	Viva
01 Dec - 11 Dec	Viva
04 Dec - 11 Dec	Viva
31 Dec - 01 Jan	Viva
31 Dec - 06 Jan	Viva
16 Dec - 04 Jan	Viva
05 Dec - 11 Dec	Viva
16 Dec - 02 Jan	Viva
31 Dec - 04 Jan	Viva
31 Dec - 02 Jan	Viva
01 Dec - 04 Dec	Viva
11 Dec - 18 Dec	Viva
16 Dec - 18 Dec	Viva
11 Dec - 26 Dec	Viva
01 Dec - 18 Dec	Viva

Also check the deals for one-way flights from Morelia to Houston 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 Morelia to Houston in December from 209€

Return flights