Cheapest one-way flights from Seattle to Puerto Vallarta in December from $138

AirHint found the following cheapest one-way flights from Seattle (SEA) to Puerto Vallarta (PVR) in December 2025 (see full year).

One-Way flights

31 Dec Alaska Airlines direct
30 Dec Delta direct
29 Dec Alaska Airlines direct
16 Dec United
28 Dec Alaska Airlines
16 Dec Delta direct
28 Dec Aeromexico direct
23 Dec United
23 Dec Alaska Airlines direct
22 Dec Frontier Airlines

Also check the deals for return flights from Seattle to Puerto Vallarta in December.

Powered by

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

Feel free to contact us with any feedback or request another flight research.