Cheapest one-way flights from Seattle to Cancun in November from $148

AirHint found the following cheapest one-way flights from Seattle (SEA) to Cancun (CUN) in November 2025 (see full year).

One-Way flights

03 Nov Alaska Airlines direct
15 Nov Frontier Airlines
18 Nov Aeromexico direct
16 Nov Hawaiian Airlines direct
08 Nov Delta
24 Nov Frontier Airlines
23 Nov Frontier Airlines
26 Nov Alaska Airlines
07 Nov United
25 Nov Frontier Airlines

Also check the deals for return flights from Seattle to Cancun in November.

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