Cheapest return flights from Portland to Mexico City in January from $381

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

Return flights

15 Jan - 22 Jan Frontier Airlines
24 Jan - 27 Jan Volaris
16 Jan - 23 Jan Frontier Airlines
01 Jan - 17 Jan Aeromexico
22 Jan - 26 Jan United
17 Jan - 19 Jan Delta
02 Jan - 11 Jan Volaris
04 Jan - 21 Jan United

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

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