Cheap flights from San Diego to Puerto Vallarta in December 2026
December 2026 is trading near the usual range on this route. The week guide below is the fastest way to find the cleaner departure windows.
Lowest fare
€314
Typical fare
€326
Current signal
Near typical
High fare
€317
Destination view
December 2026 fares to Puerto Vallarta from San Diego.
Week by week
Which week looks strongest in December 2026?
Start with the strongest week, then compare the live fares below. This keeps the page focused on one question: when does this route usually open best inside December 2026?
Live fares now
Bookable fares for December 2026
Open a live fare first if you are ready to book. These cards keep the month page tied to real inventory, not filler copy.
Search intent answers
Quick answers for December 2026
Is December 2026 a good time to fly from San Diego to Puerto Vallarta?
Yes. Current fares in December 2026 are running 4% below the usual range on this route.
Which week looks cheapest in December 2026?
The month is still filling in, so no single week is clearly ahead yet.
Are direct flights available on this route in December 2026?
Yes. We currently see 8 direct fares in this month window.