Cheapest return flights from San Francisco to Lisbon in December from 473€

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

Return flights

09 Dec - 16 Dec United
27 Dec - 11 Jan Scandinavian Airlines
01 Dec - 08 Dec SWISS
13 Dec - 07 Jan Scandinavian Airlines
26 Dec - 10 Jan Delta
01 Dec - 08 Dec TAP direct
22 Dec - 09 Jan British Airways
13 Dec - 29 Dec Lufthansa
26 Dec - 10 Jan TAP direct
28 Dec - 04 Jan Scandinavian Airlines
13 Dec - 07 Jan TAP direct
11 Dec - 05 Jan Scandinavian Airlines
29 Dec - 05 Jan Air Canada
23 Dec - 01 Jan British Airways
20 Dec - 30 Dec Lufthansa
19 Dec - 26 Dec TAP direct

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

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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.

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