Cheapest return flights from San Francisco to Barcelona in December from $345

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

Return flights

03 Dec - 12 Dec TAP
01 Dec - 11 Dec TAP
03 Dec - 09 Dec TAP
03 Dec - 10 Dec TAP
05 Dec - 07 Dec TAP
06 Dec - 16 Dec TAP
05 Dec - 16 Dec TAP
05 Dec - 12 Dec TAP
03 Dec - 17 Dec TAP
06 Dec - 17 Dec TAP
29 Dec - 13 Jan British Airways
30 Dec - 14 Jan British Airways
31 Dec - 14 Jan British Airways
28 Dec - 17 Jan Iberia
30 Dec - 24 Jan Iberia
27 Dec - 17 Jan British Airways
31 Dec - 24 Jan Air France
29 Dec - 24 Jan British Airways
26 Dec - 10 Jan Scandinavian Airlines
11 Dec - 18 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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