Cheapest return flights from San Francisco to Barcelona in October from $409

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

Return flights

05 Oct - 17 Oct Air Canada
19 Oct - 31 Oct Air Canada
27 Oct - 10 Nov Air Canada
29 Oct - 14 Nov Brussels Airlines
04 Oct - 14 Oct Air Canada
22 Oct - 27 Oct Air Canada
04 Oct - 23 Oct Air Canada
06 Oct - 13 Oct Lufthansa
14 Oct - 21 Oct TAP
15 Oct - 23 Oct TAP
15 Oct - 04 Nov TAP
27 Oct - 22 Nov TAP
07 Oct - 23 Oct Lufthansa
13 Oct - 20 Oct Lufthansa
15 Oct - 08 Nov Scandinavian Airlines
28 Oct - 22 Nov Scandinavian Airlines
17 Oct - 08 Nov Scandinavian Airlines
08 Oct - 01 Nov Scandinavian Airlines
22 Oct - 15 Nov Scandinavian Airlines
25 Oct - 01 Nov Scandinavian Airlines

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

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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