Cheapest return flights from San Francisco to Barcelona in May from $490

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

Return flights

07 May - 21 May Iberia For Level direct
15 May - 24 May Scandinavian Airlines
15 May - 29 May British Airways
15 May - 02 Jun TAP
20 May - 31 May British Airways
21 May - 01 Jun Iberia
01 May - 01 Jun TAP
16 May - 23 May TAP
30 May - 14 Jun TAP
30 May - 14 Jun Iberia For Level 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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