Cheapest return flights from San Francisco to Barcelona in August from $499

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 - 23 Aug LEVEL direct
09 Aug - 17 Aug LEVEL direct
05 Aug - 19 Aug LEVEL direct
03 Aug - 19 Aug LEVEL direct
31 Aug - 13 Sep LEVEL direct
31 Aug - 07 Sep LEVEL direct
14 Aug - 24 Aug LEVEL direct
14 Aug - 26 Aug Iberia direct
20 Aug - 03 Sep SWISS
12 Aug - 19 Aug United direct
16 Aug - 23 Aug LEVEL direct
10 Aug - 25 Aug Air Canada
25 Aug - 01 Sep Aer Lingus
26 Aug - 09 Sep Scandinavian Airlines
08 Aug - 19 Aug Iberia
26 Aug - 02 Sep Aer Lingus
25 Aug - 01 Sep United direct
30 Aug - 07 Sep Iberia
30 Aug - 08 Sep Turkish Airlines
27 Aug - 03 Sep Finnair

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona