AirHint found the following cheapest return flights from Seoul (ICN) to Singapore (SIN) in November 2025 (see full year).

Return flights

18 Nov - 26 Nov	Jeju Air	direct
11 Nov - 19 Nov	Jeju Air	direct
11 Nov - 13 Nov	Jeju Air	direct
04 Nov - 06 Nov	Jeju Air	direct
25 Nov - 28 Nov	Vietnam Airlines
03 Nov - 09 Nov	Vietnam Airlines
18 Nov - 23 Nov	Jeju Air
28 Nov - 30 Nov	Vietnam Airlines
16 Nov - 23 Nov	Vietnam Airlines
01 Nov - 07 Nov	Vietnam Airlines
20 Nov - 02 Dec	AirAsia X
20 Nov - 01 Dec	AirAsia X
26 Nov - 03 Dec	Scoot
25 Nov - 29 Dec	Korean Air	direct
20 Nov - 03 Dec	AirAsia X
24 Nov - 04 Dec	Scoot
12 Nov - 02 Dec	AirAsia X
12 Nov - 01 Dec	AirAsia X
19 Nov - 02 Dec	AirAsia X
19 Nov - 01 Dec	AirAsia X

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

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 Singapore in November from $182

Return flights