AirHint found the following cheapest return flights from Houston (IAH) to Mexico City (MEX) in January 2026 (see full year).

Return flights

19 Jan - 23 Jan	Aeromexico	direct
19 Jan - 25 Jan	Viva
19 Jan - 01 Feb	Viva
31 Jan - 18 Feb	Viva
12 Jan - 17 Jan	Viva
12 Jan - 25 Jan	Viva
12 Jan - 01 Feb	Viva
31 Jan - 01 Feb	Viva
04 Jan - 17 Jan	Viva
04 Jan - 25 Jan	Viva
12 Jan - 23 Jan	Viva
31 Jan - 18 Feb	Viva	direct
12 Jan - 16 Jan	Viva
04 Jan - 23 Jan	Viva	direct
19 Jan - 25 Jan	Viva	direct
19 Jan - 01 Feb	Viva	direct
31 Jan - 01 Feb	Viva	direct
17 Jan - 01 Feb	Viva

Also check the deals for one-way flights from Houston to Mexico City in January.

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 Mexico City in January from $202

Return flights