Cheapest return flights from Seoul to Barcelona in September from $745

Best time to book flights for Seoul (GMP) to Barcelona (BCN) flights at AirHint

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

Return flights

10 Sep - 16 Sep Air China
07 Sep - 13 Sep Air China
05 Sep - 11 Sep Air China
01 Sep - 08 Sep Air China
01 Sep - 10 Sep Air China
04 Sep - 13 Sep Air China
06 Sep - 13 Sep Air China
06 Sep - 17 Sep Air China
02 Sep - 17 Sep Air China
02 Sep - 11 Sep Air China
15 Sep - 28 Oct Air China
10 Sep - 19 Oct Air China
27 Sep - 14 Oct EVA Air
30 Sep - 07 Oct China Eastern
24 Sep - 04 Oct Air China
10 Sep - 01 Oct Air China
26 Sep - 02 Oct Air China
21 Sep - 06 Oct Air China
25 Sep - 05 Oct Air China
28 Sep - 18 Oct Air China

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

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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