Cheapest return GUM–ICN flights, September

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

Return flights

11 Sep - 14 Sep Jin Air direct
05 Sep - 07 Sep Jin Air direct
03 Sep - 06 Sep Jin Air direct
03 Sep - 08 Sep Jin Air direct
03 Sep - 10 Sep Jin Air direct
22 Sep - 02 Oct Jin Air direct

Also check the deals for one-way flights from Agana 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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