AirHint found the following cheapest return flights from San Francisco (SFO) to Barcelona (BCN) in April 2026 (see full year).

Return flights

28 Apr - 23 May	Scandinavian Airlines
14 Apr - 09 May	Scandinavian Airlines
27 Apr - 23 May	Scandinavian Airlines
16 Apr - 23 Apr	Iberia For Level	direct
21 Apr - 26 Apr	Scandinavian Airlines
07 Apr - 14 Apr	British Airways
15 Apr - 22 Apr	British Airways
03 Apr - 15 Apr	Scandinavian Airlines
14 Apr - 09 May	Iberia For Level	direct
07 Apr - 14 Apr	Iberia For Level	direct
04 Apr - 16 Apr	TAP
21 Apr - 26 Apr	Iberia For Level	direct
28 Apr - 23 May	Iberia For Level	direct
06 Apr - 13 Apr	SWISS

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

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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Cheapest return flights from San Francisco to Barcelona in April from $449

Return flights