Cheapest return flights from San Francisco to Lisbon in December from $448

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

Return flights

08 Dec - 17 Dec Lufthansa
02 Dec - 09 Dec Lufthansa
04 Dec - 12 Dec Lufthansa
02 Dec - 12 Dec Air Canada
06 Dec - 14 Dec Lufthansa
06 Dec - 15 Dec Air France
07 Dec - 14 Dec United
05 Dec - 10 Dec United
11 Dec - 25 Dec Lufthansa
05 Dec - 09 Dec Air France
15 Dec - 10 Jan British Airways
30 Dec - 07 Jan Air Canada
25 Dec - 17 Jan Scandinavian Airlines
23 Dec - 17 Jan Lufthansa
24 Dec - 17 Jan Lufthansa
24 Dec - 17 Jan TAP direct
15 Dec - 10 Jan TAP direct
22 Dec - 17 Jan Air Canada
21 Dec - 10 Jan Lufthansa
25 Dec - 05 Jan Scandinavian Airlines

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

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