Cheapest return flights from San Francisco to Lisbon in December from 472€

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

Return flights

27 Dec - 07 Jan Scandinavian Airlines
02 Dec - 16 Dec United
03 Dec - 10 Dec United
10 Dec - 15 Dec SWISS
03 Dec - 10 Dec TAP direct
05 Dec - 19 Dec Air Canada
08 Dec - 15 Dec TAP direct
05 Dec - 19 Dec TAP direct
13 Dec - 20 Dec TAP direct
26 Dec - 05 Jan British Airways
25 Dec - 04 Jan Scandinavian Airlines
24 Dec - 04 Jan British Airways
27 Dec - 03 Jan Scandinavian Airlines
22 Dec - 02 Jan Delta
26 Dec - 05 Jan TAP direct
23 Dec - 03 Jan Scandinavian Airlines
20 Dec - 27 Dec TAP direct
22 Dec - 02 Jan 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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