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

Return flights

21 Oct - 29 Oct	TAP
14 Oct - 29 Oct	TAP
21 Oct - 27 Oct	TAP
14 Oct - 30 Oct	TAP
30 Oct - 05 Nov	TAP
17 Oct - 08 Nov	TAP
24 Oct - 15 Nov	TAP
18 Oct - 08 Nov	TAP
28 Oct - 22 Nov	TAP
30 Oct - 10 Nov	TAP
14 Oct - 08 Nov	TAP
19 Oct - 08 Nov	TAP
21 Oct - 15 Nov	TAP
24 Oct - 05 Nov	TAP
15 Oct - 22 Oct	Scandinavian Airlines
14 Oct - 22 Oct	Scandinavian Airlines
18 Oct - 30 Oct	TAP
19 Oct - 30 Oct	TAP
11 Oct - 20 Oct	TAP
15 Oct - 25 Oct	Scandinavian Airlines

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

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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Cheapest return flights from Los Angeles to Barcelona in October from $427

Return flights