AirHint found the following cheapest return flights from Seoul (ICN) to Yantai (YNT) in September 2026 (see full year).
Return flights
| 01 Sep - 10 Sep | Air China | direct | |
| 25 Sep - 27 Sep | Air China | direct | |
| 23 Sep - 27 Sep | Air China | direct | |
| 23 Sep - 28 Sep | Air China | direct |
Also check the deals for one-way flights from Seoul to Yantai in September.
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