AirHint found the following cheapest return flights from Seattle (SEA) to Mexico City (MEX) in February 2026 (see full year).

Return flights

19 Feb - 26 Feb	Volaris
21 Feb - 28 Feb	Volaris
01 Feb - 27 Feb	Volaris
01 Feb - 08 Feb	Volaris
03 Feb - 08 Feb	Volaris
04 Feb - 08 Feb	Volaris
26 Feb - 02 Mar	Frontier Airlines
27 Feb - 03 Mar	Volaris
04 Feb - 07 Feb	Volaris
15 Feb - 19 Feb	Volaris
11 Feb - 18 Feb	Volaris
20 Feb - 25 Feb	Volaris
27 Feb - 03 Mar	Aeromexico	direct
04 Feb - 05 Mar	Aeromexico	direct

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

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 Seattle to Mexico City in February from $277

Return flights