Cheapest one-way flights from Portland to Cancun in December from $143

AirHint found the following cheapest one-way flights from Portland (PDX) to Cancun (CUN) in December 2025 (see full year).

One-Way flights

06 Dec Alaska Airlines
09 Dec Aeromexico
29 Dec Hawaiian Airlines
15 Dec United
06 Dec Alaska Airlines direct
16 Dec United
13 Dec Hawaiian Airlines direct
28 Dec Sun Country Airlines
20 Dec Sun Country Airlines
23 Dec Sun Country Airlines

Also check the deals for return flights from Portland to Cancun in December.

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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