Cheapest one-way flights from San Francisco to Barcelona in May from $262

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

One-Way flights

16 May Iberia For Level direct
21 May Iberia For Level direct
02 May Alaska Airlines
13 May Alaska Airlines
17 May Alaska Airlines
30 May Iberia For Level direct
31 May Iberia For Level direct
20 May Air Canada
20 May United direct

Also check the deals for return 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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