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

Return flights

01 Oct - 15 Oct	Scoot
01 Oct - 11 Oct	Scoot
20 Oct - 26 Oct	VietJet Air
03 Oct - 16 Oct	Scoot
23 Oct - 26 Oct	Scoot
27 Oct - 07 Nov	Scoot
01 Oct - 11 Oct	Jeju Air	direct
16 Oct - 23 Oct	Scoot
31 Oct - 11 Nov	Scoot
26 Oct - 06 Nov	Scoot
31 Oct - 14 Nov	Scoot
21 Oct - 28 Oct	VietJet Air
16 Oct - 24 Oct	Scoot
27 Oct - 02 Nov	Scoot
16 Oct - 25 Oct	Scoot
25 Oct - 01 Nov	Scoot
31 Oct - 11 Nov	Jeju Air	direct
26 Oct - 06 Nov	Jeju Air	direct
27 Oct - 02 Nov	Jeju Air	direct
27 Oct - 07 Nov	Jeju Air	direct

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

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Cheapest return flights from Singapore to Busan in October from $296

Return flights