Cheapest return flights from San Francisco to Barcelona in May from $474

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

Return flights

21 May - 26 May TAP
11 May - 25 May Scandinavian Airlines
21 May - 31 May TAP
21 May - 30 May TAP
01 May - 08 May United direct
13 May - 24 May British Airways
21 May - 30 May Iberia direct
21 May - 31 May Iberia direct

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

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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