Cheapest return flights from Oakland to Barcelona in October from $663

AirHint found the following cheapest return flights from Oakland (OAK) to Barcelona (BCN) in October 2025 (see full year).

Return flights

04 Oct - 25 Oct Spirit Airlines
24 Oct - 27 Oct Spirit Airlines
04 Oct - 18 Oct Spirit Airlines
13 Oct - 08 Nov Alaska Airlines
03 Oct - 18 Oct Spirit Airlines
28 Oct - 22 Nov British Airways
08 Oct - 01 Nov British Airways

Also check the deals for one-way flights from Oakland to Barcelona in October.

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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