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

Return flights

30 Dec - 06 Jan	Eastar Jet
30 Dec - 05 Jan	Eastar Jet
31 Dec - 02 Jan	T'way Air	direct
29 Dec - 02 Jan	T'way Air	direct
29 Dec - 05 Jan	T'way Air	direct
27 Dec - 03 Jan	Jeju Air	direct
31 Dec - 04 Jan	T'way Air	direct
28 Dec - 28 Dec	Asiana Airlines
29 Dec - 31 Dec	T'way Air	direct
31 Dec - 16 Jan	T'way Air	direct
31 Dec - 29 Jan	T'way Air
31 Dec - 08 Jan	ANA

Also check the deals for one-way flights from Seoul to Kaohsiung in December.

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.

Book a cheap hotel in Kaohsiung

Cheap car rent in Kaohsiung

Cheapest return flights from Seoul to Kaohsiung in December from 238€

Return flights