Cheapest return flights from San Francisco to Barcelona in December from 353€

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

Return flights

04 Dec - 11 Dec Scandinavian Airlines
11 Dec - 11 Jan Scandinavian Airlines
03 Dec - 10 Dec TAP
10 Dec - 17 Dec Air Canada
08 Dec - 15 Dec TAP
07 Dec - 14 Dec Scandinavian Airlines
02 Dec - 09 Dec Air Canada
01 Dec - 08 Dec TAP
05 Dec - 12 Dec TAP
09 Dec - 16 Dec United
29 Dec - 24 Jan TAP
12 Dec - 19 Dec TAP
12 Dec - 11 Jan TAP
30 Dec - 06 Jan Air Canada
31 Dec - 10 Jan SWISS
31 Dec - 07 Jan Air Canada
26 Dec - 17 Jan British Airways
25 Dec - 17 Jan Austrian Airlines
29 Dec - 05 Jan SWISS
24 Dec - 17 Jan Lufthansa

Also check the deals for one-way flights from San Francisco to Barcelona 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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