Cheapest return flights from Los Angeles to Barcelona in September from 543€

Best time to book flights for Los Angeles (LAX) to Barcelona (BCN) flights at AirHint

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

Return flights

23 Sep - 30 Sep Scandinavian Airlines
21 Sep - 25 Sep TAP
22 Sep - 26 Sep LEVEL direct
02 Sep - 13 Sep TAP
15 Sep - 22 Sep Turkish Airlines
14 Sep - 17 Sep FrenchBee
14 Sep - 21 Sep Turkish Airlines
20 Sep - 11 Oct Iberia
01 Sep - 12 Sep Turkish Airlines
13 Sep - 21 Sep Turkish Airlines
13 Sep - 20 Sep Turkish Airlines
20 Sep - 11 Oct LEVEL direct

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

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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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