Cheapest return flights from San Francisco to Lisbon in December from $560

AirHint found the following cheapest return flights from San Francisco (SFO) to Lisbon (LIS) in December 2026 (see full year).

Return flights

15 Dec - 29 Dec Air Canada
26 Dec - 02 Jan Air Canada
26 Dec - 03 Jan Air Canada
19 Dec - 03 Jan Lufthansa
17 Dec - 27 Dec Lufthansa
18 Dec - 27 Dec Lufthansa
18 Dec - 03 Jan Lufthansa
26 Dec - 02 Jan TAP direct
18 Dec - 02 Jan Lufthansa
18 Dec - 02 Jan TAP direct

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

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