Cheapest return flights from Seattle to Cancun in January from $329

AirHint found the following cheapest return flights from Seattle (SEA) to Cancun (CUN) in January 2026 (see full year).

Return flights

13 Jan - 21 Jan Aeromexico direct
12 Jan - 22 Jan Aeromexico direct
21 Jan - 28 Jan Aeromexico
15 Jan - 22 Jan Volaris
19 Jan - 23 Jan Volaris
19 Jan - 23 Jan Delta direct
19 Jan - 24 Jan Delta direct
04 Jan - 10 Jan Frontier Airlines
07 Jan - 12 Jan Aeromexico
01 Jan - 08 Jan Aeromexico

Also check the deals for one-way flights from Seattle to Cancun in January.

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