Cheapest return PUS–BCN flights, September

AirHint found the following cheapest return flights from Busan (PUS) to Barcelona (BCN) in September 2026 (see full year).

Return flights

07 Sep - 18 Sep Air China
16 Sep - 20 Sep Air China
11 Sep - 13 Sep Air China
16 Sep - 23 Sep Air China
14 Sep - 23 Sep Air China
10 Sep - 15 Sep Korean Air
24 Sep - 27 Sep Air China
24 Sep - 02 Oct Korean Air
23 Sep - 09 Oct Air China
20 Sep - 26 Sep Korean Air
20 Sep - 27 Sep Korean Air
19 Sep - 02 Oct Korean Air
14 Sep - 24 Sep Air China

Also check the deals for one-way flights from Busan 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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