Cheapest one-way flights from San Francisco to Barcelona in December from 213€

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

One-Way flights

08 Dec Frontier Airlines
04 Dec WestJet
09 Dec Flair Airlines
05 Dec WestJet
02 Dec WestJet
06 Dec Hawaiian Airlines
10 Dec Frontier Airlines
07 Dec Hawaiian Airlines
31 Dec TAP
11 Dec Frontier Airlines

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

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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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