Cheapest return GMP–SIN flights, October

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

Return flights

15 Oct - 21 Oct Jeju Air
15 Oct - 20 Oct Jeju Air
18 Oct - 21 Oct Jeju Air
15 Oct - 22 Oct Jeju Air
12 Oct - 16 Oct Jeju Air
12 Oct - 15 Oct Jeju Air
13 Oct - 16 Oct Jeju Air
11 Oct - 16 Oct Jeju Air
19 Oct - 23 Oct Jeju Air
17 Oct - 23 Oct Jeju Air
31 Oct - 07 Nov Air China

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

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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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