Cheapest return flights from San Francisco to Barcelona in August from $634

Best time to book flights for San Francisco (SFO) to Barcelona (BCN) flights at AirHint

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

Return flights

14 Aug - 31 Aug LEVEL direct
26 Aug - 09 Sep Scandinavian Airlines
23 Aug - 30 Aug Scandinavian Airlines
23 Aug - 30 Aug LEVEL direct
26 Aug - 09 Sep LEVEL direct
06 Aug - 13 Aug United
05 Aug - 12 Aug Air Canada
31 Aug - 07 Sep Iberia
05 Aug - 12 Aug LEVEL direct
31 Aug - 07 Sep LEVEL direct
07 Aug - 14 Aug Finnair
04 Aug - 11 Aug SWISS
07 Aug - 14 Aug United direct
08 Aug - 15 Aug United direct

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

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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