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

Return flights

25 Oct - 28 Oct	Scoot	direct
21 Oct - 25 Oct	Scoot	direct
18 Oct - 21 Oct	Scoot	direct
28 Oct - 02 Nov	Scoot	direct
20 Oct - 27 Oct	AirAsia X
07 Oct - 14 Oct	AirAsia X
19 Oct - 22 Oct	AirAsia X
16 Oct - 20 Oct	AirAsia X
16 Oct - 19 Oct	AirAsia X
15 Oct - 18 Oct	AirAsia X
28 Oct - 01 Nov	AirAsia X
12 Oct - 31 Oct	Scoot	direct
28 Oct - 01 Nov	Asiana Airlines	direct
29 Oct - 05 Nov	China Southern

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

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Seoul to Singapore in October from 186€

Return flights