AirHint found the following cheapest return flights from Hong Kong (HKG) to Seoul (ICN) in December 2026 (see full year).

Return flights

31 Dec - 03 Jan	Asiana Airlines	direct
16 Dec - 03 Jan	Asiana Airlines	direct
30 Dec - 03 Jan	Asiana Airlines	direct
19 Dec - 24 Dec	China Airlines
19 Dec - 25 Dec	China Airlines
19 Dec - 26 Dec	China Airlines
26 Dec - 29 Dec	China Airlines
20 Dec - 23 Dec	HK Express
23 Dec - 28 Dec	China Airlines
20 Dec - 26 Dec	China Airlines
25 Dec - 02 Jan	China Airlines
24 Dec - 28 Dec	HK Express
25 Dec - 27 Dec	HK Express
24 Dec - 27 Dec	HK Express
25 Dec - 02 Jan	Asiana Airlines	direct

Also check the deals for one-way flights from Hong Kong to Seoul 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 return flights from Hong Kong to Seoul in December from 281€

Return flights