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

Return flights

16 Dec - 23 Dec	Air China
04 Dec - 23 Dec	Air China
29 Dec - 15 Jan	Air China
29 Dec - 12 Jan	Air China
07 Dec - 17 Dec	Air China
06 Dec - 17 Dec	Air China
30 Dec - 27 Jan	Air China
06 Dec - 14 Dec	Air China
02 Dec - 03 Dec	Air China
02 Dec - 16 Dec	Air China
02 Dec - 15 Dec	Air China
02 Dec - 06 Dec	Air China
03 Dec - 16 Dec	Air China
30 Dec - 12 Jan	Air China
30 Dec - 20 Jan	Air China
29 Dec - 09 Jan	Air China
30 Dec - 09 Jan	Air China
29 Dec - 10 Jan	Air China
26 Dec - 10 Jan	Air China
23 Dec - 14 Jan	Air China

Also check the deals for one-way flights from Seoul to Rome 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 Seoul to Rome in December from 326€

Return flights