Cheapest one-way flights from San Francisco to Barcelona in January from $244

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

One-Way flights

23 Jan Frontier Airlines
18 Jan Frontier Airlines
27 Jan Hawaiian Airlines
13 Jan Flair Airlines
22 Jan Flair Airlines
25 Jan Flair Airlines
08 Jan Flair Airlines
24 Jan Flair Airlines
29 Jan Flair Airlines
26 Jan TAP

Also check the deals for return flights from San Francisco to Barcelona in January.

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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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