Cheapest return flights from Seoul to Singapore in December from $545

AirHint found the following cheapest return flights from Seoul (GMP) to Singapore (SIN) in December 2026 (see full year).

Return flights

12 Dec - 23 Dec Air China
04 Dec - 13 Dec Air China
07 Dec - 10 Dec Air China
19 Dec - 29 Dec Air China
21 Dec - 31 Dec Air China
11 Dec - 27 Dec Air China
24 Dec - 02 Jan Air China
11 Dec - 18 Dec Air China
18 Dec - 20 Dec Air China
19 Dec - 20 Dec Air China
03 Dec - 09 Dec Air China
28 Dec - 01 Jan Air China
30 Dec - 03 Jan Air China
30 Dec - 06 Jan Air China

Also check the deals for one-way flights from Seoul to Singapore in December.

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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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