Cheapest return flights from San Diego to Lisbon in December from 393€

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

Return flights

03 Dec - 10 Dec British Airways
01 Dec - 17 Dec Delta
05 Dec - 11 Dec British Airways
13 Dec - 19 Dec Frontier Airlines
27 Dec - 07 Jan Frontier Airlines
17 Dec - 06 Jan Delta
20 Dec - 02 Jan Hawaiian Airlines

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

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