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

Return flights

12 Nov - 19 Nov	Air China
03 Nov - 09 Nov	Air China
05 Nov - 11 Nov	Air China
05 Nov - 08 Nov	Air China
11 Nov - 18 Nov	Air China
04 Nov - 11 Nov	Air China
04 Nov - 09 Nov	Air China
05 Nov - 09 Nov	Air China
12 Nov - 16 Nov	Air China
15 Nov - 17 Nov	Air China
30 Nov - 03 Dec	Jeju Air
30 Nov - 04 Dec	Jeju Air
29 Nov - 03 Dec	Jeju Air
29 Nov - 02 Dec	Jeju Air
27 Nov - 02 Dec	Jeju Air
26 Nov - 03 Dec	Jeju Air
26 Nov - 02 Dec	Jeju Air
26 Nov - 04 Dec	Air China
25 Nov - 01 Dec	Air China
27 Nov - 05 Dec	Air China

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 243€

Return flights