AirHint found the following cheapest one-way flights from Seoul (ICN) to Dalian (DLC) in December 2025 (see full year).

One-Way flights

28 Dec	China Southern	direct
14 Dec	China Southern	direct
29 Dec	China Southern	direct
06 Dec	China Southern	direct
03 Dec	China Southern	direct
25 Dec	China Southern	direct
15 Dec	China Southern	direct
30 Dec	China Southern	direct
22 Dec	China Southern	direct

Also check the deals for return flights from Seoul to Dalian 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.

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Cheapest one-way flights from Seoul to Dalian in December from $56

One-Way flights