Cheapest return PUS–IST flights, September

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

Return flights

08 Sep - 18 Sep Air China
06 Sep - 18 Sep Air China
01 Sep - 10 Sep Air China
09 Sep - 15 Sep Korean Air
04 Sep - 11 Sep Korean Air
19 Sep - 26 Sep Air Busan
13 Sep - 17 Sep Korean Air
08 Sep - 22 Sep Korean Air
25 Sep - 14 Oct Korean Air
18 Sep - 25 Sep Korean Air

Also check the deals for one-way flights from Busan to Istanbul in September.

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