Cheapest one-way flights from Seattle to Mexico City in October from 147€

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

One-Way flights

05 Oct Frontier Airlines
11 Oct Frontier Airlines
23 Oct Volaris
28 Oct Frontier Airlines
31 Oct Hawaiian Airlines
29 Oct Hawaiian Airlines
23 Oct Aeromexico direct
05 Oct Delta direct
31 Oct Aeromexico direct
28 Oct Aeromexico direct

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.

Book a cheap hotel in Mexico City

Cheap car rent in Mexico City

Feel free to contact us with any feedback or request another flight research.