Cheapest return ISG–ICN flights, September

AirHint found the following cheapest return flights from Ishigaki (ISG) to Seoul (ICN) in September 2026 (see full year).

Return flights

11 Sep - 13 Sep Jin Air direct
09 Sep - 12 Sep Jin Air direct
19 Sep - 23 Sep Jin Air direct
20 Sep - 23 Sep Jin Air direct

Also check the deals for one-way flights from Ishigaki to Seoul 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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