Cheapest return flights from San Diego to Lisbon in December from $738

AirHint found the following cheapest return flights from San Diego (SAN) to Lisbon (LIS) in December 2025 (see full year).

Return flights

07 Dec - 14 Dec United
17 Dec - 24 Dec United
27 Dec - 03 Jan United

Also check the deals for one-way flights from San Diego to Lisbon 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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

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