Cheapest return flights from San Francisco to Barcelona in December from $402

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

Return flights

03 Dec - 10 Dec TAP
08 Dec - 15 Dec TAP
08 Dec - 22 Dec TAP
29 Dec - 12 Jan TAP
07 Dec - 23 Dec Air Canada
11 Dec - 25 Dec SWISS
26 Dec - 30 Dec TAP
23 Dec - 06 Jan Air Canada
29 Dec - 06 Jan Air Canada
29 Dec - 05 Jan British Airways
11 Dec - 26 Dec Air Canada
08 Dec - 28 Dec Scandinavian Airlines
20 Dec - 24 Dec Air Canada
12 Dec - 28 Dec Lufthansa
17 Dec - 07 Jan TAP
17 Dec - 04 Jan TAP
28 Dec - 04 Jan United
19 Dec - 03 Jan Air Canada

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

Skyscanner

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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