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

Return flights

02 Oct - 14 Oct	Scoot Tigerair
01 Oct - 15 Oct	Scoot Tigerair	direct
01 Oct - 13 Oct	Scoot Tigerair	direct
29 Oct - 03 Nov	Scoot Tigerair	direct
29 Oct - 05 Nov	Scoot Tigerair	direct
05 Oct - 13 Oct	AirAsia
02 Oct - 10 Oct	AirAsia
25 Oct - 27 Oct	Scoot Tigerair
02 Oct - 11 Oct	AirAsia
01 Oct - 10 Oct	AirAsia
06 Oct - 10 Oct	AirAsia
23 Oct - 02 Nov	Scoot Tigerair
22 Oct - 27 Oct	AirAsia
26 Oct - 12 Nov	AirAsia
25 Oct - 03 Nov	Scoot Tigerair
26 Oct - 14 Nov	AirAsia
26 Oct - 07 Nov	AirAsia
26 Oct - 10 Nov	AirAsia
31 Oct - 03 Nov	Scoot Tigerair
31 Oct - 05 Nov	Scoot Tigerair

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

Cheap car rent in Seoul

Cheapest return flights from Singapore to Seoul in October from 184€

Return flights