Cheapest return flights from Kaohsiung to Seoul in September from $105

AirHint found the following cheapest return flights from Kaohsiung (KHH) to Seoul (ICN) in September 2025 (see full year).

Return flights

30 Sep - 15 Oct T'way Air direct
29 Sep - 15 Oct T'way Air direct
30 Sep - 12 Oct T'way Air direct
30 Sep - 13 Oct T'way Air direct
29 Sep - 10 Oct T'way Air direct
30 Sep - 11 Oct T'way Air direct
30 Sep - 31 Oct T'way Air direct
20 Sep - 15 Oct T'way Air direct
20 Sep - 24 Sep T'way Air direct
22 Sep - 24 Sep T'way Air direct
20 Sep - 22 Sep T'way Air direct
20 Sep - 25 Sep T'way Air direct
22 Sep - 25 Sep T'way Air direct
24 Sep - 25 Sep T'way Air direct
20 Sep - 23 Sep T'way Air direct
24 Sep - 09 Oct T'way Air direct
21 Sep - 22 Sep T'way Air direct
22 Sep - 23 Sep T'way Air direct
19 Sep - 24 Sep T'way Air direct
30 Sep - 07 Oct T'way Air direct

Also check the deals for one-way flights from Kaohsiung 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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