Cheapest one-way flights from Seoul to Barcelona in September from $396

AirHint found the following cheapest one-way flights from Seoul (GMP) to Barcelona (BCN) in September 2026 (see full year).

One-Way flights

09 Sep Air China
12 Sep Air China
11 Sep Air China
05 Sep Air China
17 Sep Air China
01 Sep Jeju Air
06 Sep Air China
03 Sep Air China
10 Sep Air China
18 Sep Air China

Also check the deals for return flights from Seoul 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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