Cheapest one-way flights from San Francisco to Barcelona in May from 280€

Best time to book flights for San Francisco (SFO) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest one-way flights from San Francisco (SFO) to Barcelona (BCN) in May 2025 (see full year).

One-Way flights

13 May Frontier Airlines
12 May Frontier Airlines
11 May Frontier Airlines
03 May Frontier Airlines
01 May Frontier Airlines
17 May Frontier Airlines
18 May Frontier Airlines
07 May Frontier Airlines
16 May Frontier Airlines
05 May Frontier Airlines

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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