AirHint found the following cheapest return flights from Portland (PDX) to Puerto Vallarta (PVR) in December 2025 (see full year).

Return flights

01 Dec - 05 Dec	American Airlines
04 Dec - 11 Dec	Aeromexico
09 Dec - 12 Dec	Aeromexico
05 Dec - 10 Dec	United
08 Dec - 15 Dec	Delta
30 Dec - 08 Jan	Hawaiian Airlines
13 Dec - 22 Dec	Air Canada
30 Dec - 16 Jan	Hawaiian Airlines
29 Dec - 16 Jan	Hawaiian Airlines
15 Dec - 18 Dec	Hawaiian Airlines
22 Dec - 26 Dec	Alaska Airlines
11 Dec - 18 Dec	Delta
11 Dec - 16 Dec	Aeromexico
28 Dec - 16 Jan	Delta
25 Dec - 16 Jan	Southwest Airlines
27 Dec - 16 Jan	Aeromexico
20 Dec - 16 Jan	Frontier Airlines
26 Dec - 16 Jan	Hawaiian Airlines
24 Dec - 04 Jan	Hawaiian Airlines
26 Dec - 04 Jan	Hawaiian Airlines

Also check the deals for one-way flights from Portland to Puerto Vallarta in December.

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 Puerto Vallarta

Cheap car rent in Puerto Vallarta

Cheapest return flights from Portland to Puerto Vallarta in December from $388

Return flights