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Cheapest one-way flights from San Francisco (SFO) to Barcelona (BCN), October

Select a price to book. see full year.

Dates, airline, and price
Dates	Airline	Price
17 Oct	WestJet
24 Oct	WestJet
19 Oct	WestJet
04 Oct	Brussels Airlines
26 Oct	American Airlines
12 Oct	United Direct Flight
19 Oct	United Direct Flight
01 Oct	WestJet
02 Oct	WestJet
03 Oct	United Direct Flight

deals for return flights from San Francisco to Barcelona in October.

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Updated Jul 25, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from San Francisco (SFO) to Barcelona (BCN), October

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