Cheapest return flights from Los Angeles to Barcelona in September from $556

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
30 Sep - 16 Oct TAP
19 Sep - 03 Oct TAP
18 Sep - 30 Sep Scandinavian Airlines
09 Sep - 22 Sep Turkish Airlines
17 Sep - 30 Sep Turkish Airlines
19 Sep - 22 Sep TAP
01 Sep - 15 Sep Turkish Airlines
18 Sep - 02 Oct Turkish Airlines
30 Sep - 16 Oct LEVEL direct
30 Sep - 04 Oct TAP
08 Sep - 21 Sep Turkish Airlines
02 Sep - 07 Sep Scandinavian Airlines
20 Sep - 11 Oct Turkish Airlines
19 Sep - 22 Sep LEVEL direct
17 Sep - 30 Sep LEVEL direct
27 Sep - 12 Oct Turkish Airlines
30 Sep - 04 Oct LEVEL direct
11 Sep - 05 Oct Turkish Airlines
27 Sep - 12 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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