AirHint found the following cheapest return flights from Phuket (HKT) to Seoul (ICN) in December 2025 (see full year).

Return flights

02 Dec - 15 Dec	Thai Lion Air
02 Dec - 16 Dec	Thai VietJet Air
02 Dec - 06 Dec	Thai VietJet Air
08 Dec - 15 Dec	Thai VietJet Air
05 Dec - 10 Dec	Thai VietJet Air
05 Dec - 12 Dec	Thai VietJet Air
15 Dec - 25 Dec	Thai VietJet Air
07 Dec - 11 Dec	Cathay Pacific
02 Dec - 16 Dec	Asiana Airlines	direct
02 Dec - 15 Dec	Asiana Airlines	direct
28 Dec - 02 Jan	Air China
31 Dec - 04 Jan	Asiana Airlines	direct
28 Dec - 02 Jan	Asiana Airlines	direct
29 Dec - 05 Jan	Emirates

Also check the deals for one-way flights from Phuket 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 Phuket to Seoul in December from 231€

Return flights