AirHint found the following cheapest return flights from Busan (PUS) to Istanbul (IST) in September 2026 (see full year).
Return flights
| 24 Sep - 28 Sep | Singapore Airlines | ||
| 24 Sep - 27 Sep | Singapore Airlines | ||
| 04 Sep - 12 Sep | Korean Air | ||
| 24 Sep - 03 Oct | Korean Air | ||
| 25 Sep - 03 Oct | Korean Air | ||
| 19 Sep - 26 Sep | Korean Air |
Also check the deals for one-way flights from Busan to Istanbul in September.
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