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

06 Dec - 14 Dec TAP
01 Dec - 13 Dec TAP
03 Dec - 24 Dec Air Canada
09 Dec - 16 Dec United
06 Dec - 20 Dec TAP
11 Dec - 18 Dec United
24 Dec - 31 Dec Air Canada
10 Dec - 31 Dec Air Canada
29 Dec - 05 Jan British Airways
16 Dec - 23 Dec Air Canada
25 Dec - 08 Jan Lufthansa
26 Dec - 10 Jan Lufthansa
16 Dec - 30 Dec United
22 Dec - 05 Jan British Airways
12 Dec - 02 Jan TAP
28 Dec - 04 Jan British Airways
24 Dec - 03 Jan British Airways
23 Dec - 03 Jan British Airways
23 Dec - 04 Jan British Airways
12 Dec - 03 Jan TAP

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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