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

Return flights

30 Jan - 01 Feb	Volaris
21 Jan - 28 Jan	Frontier Airlines
26 Jan - 02 Feb	Delta	direct
21 Jan - 28 Jan	Delta	direct
10 Jan - 23 Jan	Delta
29 Jan - 02 Feb	Aeromexico	direct
26 Jan - 31 Jan	Frontier Airlines
23 Jan - 28 Jan	Delta	direct
30 Jan - 01 Feb	Delta	direct
01 Jan - 01 Feb	Frontier Airlines
26 Jan - 31 Jan	Delta	direct
06 Jan - 11 Jan	Volaris
01 Jan - 01 Feb	Delta	direct
06 Jan - 11 Jan	Delta	direct
03 Jan - 19 Jan	Frontier Airlines
03 Jan - 19 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 243€

Return flights