Cheapest return flights from San Francisco to Barcelona in May from $588

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 May 2025 (see full year).

Return flights

11 May - 18 May Iberia direct
05 May - 17 May Scandinavian Airlines
01 May - 15 May Scandinavian Airlines
07 May - 16 May Scandinavian Airlines
10 May - 25 May Vueling Airlines direct
06 May - 13 May United direct
07 May - 14 May United direct
07 May - 16 May United direct
04 May - 16 May United direct
10 May - 24 May LEVEL direct
20 May - 08 Jun LEVEL direct
25 May - 05 Jun LEVEL direct
28 May - 07 Jun WestJet
11 May - 16 Jun United direct
28 May - 07 Jun Lufthansa direct

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

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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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