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

Return flights

24 Jan - 08 Feb	Volaris
24 Jan - 30 Jan	Frontier Airlines
23 Jan - 28 Jan	Volaris
26 Jan - 02 Feb	Delta	direct
24 Jan - 08 Feb	Delta	direct
23 Jan - 28 Jan	Delta	direct
08 Jan - 12 Jan	Volaris
10 Jan - 20 Jan	Volaris
10 Jan - 23 Jan	Volaris
09 Jan - 12 Jan	Volaris
16 Jan - 18 Jan	Frontier Airlines
16 Jan - 19 Jan	Volaris
16 Jan - 19 Jan	Delta	direct
01 Jan - 01 Feb	United
30 Jan - 01 Feb	Allegiant Air

Also check the deals for one-way flights from Phoenix 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 Phoenix to Mexico City in January from 249€

Return flights