AirHint found the following cheapest return flights from Seoul (ICN) to Saga (HSG) in January 2026 (see full year).

Return flights

19 Jan - 23 Jan	T'way Air	direct
07 Jan - 16 Jan	T'way Air	direct
26 Jan - 30 Jan	T'way Air	direct
18 Jan - 21 Jan	T'way Air	direct
12 Jan - 16 Jan	T'way Air	direct
25 Jan - 28 Jan	T'way Air	direct
11 Jan - 14 Jan	T'way Air	direct
09 Jan - 12 Jan	T'way Air	direct
16 Jan - 19 Jan	T'way Air	direct
07 Jan - 11 Jan	T'way Air	direct
30 Jan - 01 Feb	T'way Air	direct

Also check the deals for one-way flights from Seoul to Saga in January.

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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Cheapest return flights from Seoul to Saga in January from $148

Return flights