Cheapest one-way flights from San Francisco to Barcelona in May from $306

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

One-Way flights

07 May Iberia direct
05 May Iberia direct
19 May Iberia direct
21 May Iberia direct
08 May Scandinavian Airlines
02 May Alaska Airlines
30 May Iberia direct
20 May WestJet
23 May WestJet
23 May Iberia direct

Also check the deals for return 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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