AirHint found the following cheapest return flights from Singapore (SIN) to Seoul (ICN)
in December 2025 (see full year ).
Return flights
04 Dec
- 11 Dec
Cebu Pacific
275 €
18 Dec
- 29 Dec
China Southern
278 €
13 Dec
- 23 Dec
China Southern
279 €
23 Dec
- 30 Dec
China Southern
279 €
12 Dec
- 16 Dec
China Southern
279 €
05 Dec
- 13 Dec
China Southern
280 €
22 Dec
- 31 Dec
China Southern
281 €
07 Dec
- 14 Dec
China Southern
311 €
16 Dec
- 27 Dec
China Southern
311 €
12 Dec
- 31 Dec
China Southern
311 €
25 Dec
- 03 Jan
China Southern
312 €
29 Dec
- 03 Jan
China Southern
312 €
31 Dec
- 03 Jan
China Southern
312 €
23 Dec
- 02 Jan
China Southern
312 €
26 Dec
- 05 Jan
China Southern
312 €
23 Dec
- 03 Jan
China Southern
312 €
26 Dec
- 03 Jan
China Southern
312 €
26 Dec
- 02 Jan
China Southern
312 €
24 Dec
- 01 Jan
China Southern
312 €
23 Dec
- 11 Jan
China Southern
312 €
Also check the deals for one-way flights from Singapore 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.