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

Return flights

28 Jan - 06 Feb	Volaris
24 Jan - 30 Jan	Frontier Airlines
26 Jan - 02 Feb	Frontier Airlines
15 Jan - 25 Jan	Volaris
26 Jan - 02 Feb	Delta	direct
28 Jan - 06 Feb	American Airlines	direct
30 Jan - 08 Feb	Delta	direct
26 Jan - 28 Jan	Frontier Airlines
15 Jan - 28 Jan	Volaris
29 Jan - 05 Feb	Frontier Airlines
30 Jan - 03 Feb	Aeromexico	direct
30 Jan - 02 Feb	Aeromexico	direct
29 Jan - 02 Feb	United
29 Jan - 03 Feb	United
20 Jan - 27 Jan	United
21 Jan - 28 Jan	Frontier Airlines
23 Jan - 28 Jan	United
23 Jan - 26 Jan	United
23 Jan - 27 Jan	United
23 Jan - 26 Jan	Delta	direct

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 259€

Return flights