Cheapest one-way flights from Seattle to Mexico City in October from $109

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

One-Way flights

04 Oct Volaris
10 Oct Volaris
06 Oct Frontier Airlines
15 Oct Hawaiian Airlines
20 Oct Frontier Airlines
25 Oct Volaris
12 Oct Frontier Airlines
05 Oct Frontier Airlines
29 Oct Hawaiian Airlines
02 Oct Hawaiian Airlines

Also check the deals for return 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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