Cheapest return flights from Seattle to Mexico City in October from $317

AirHint found the following cheapest return flights from Seattle (SEA) to Mexico City (MEX) in October 2025 (see full year).

Return flights

19 Oct - 19 Oct Aeromexico
29 Oct - 02 Nov Volaris
08 Oct - 20 Oct Volaris
19 Oct - 26 Oct Volaris
11 Oct - 15 Oct Volaris
09 Oct - 13 Oct Volaris
07 Oct - 12 Oct Hawaiian Airlines
03 Oct - 12 Oct Volaris
08 Oct - 20 Oct Aeromexico direct
03 Oct - 12 Oct Aeromexico direct
01 Oct - 09 Oct Delta direct
30 Oct - 05 Nov Delta
29 Oct - 04 Nov Delta
29 Oct - 02 Nov Aeromexico direct

Also check the deals for one-way flights from Seattle to Mexico City in October.

Skyscanner

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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