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

Return flights

21 Oct - 24 Oct	Vietnam Airlines
19 Oct - 23 Oct	Vietnam Airlines
12 Oct - 20 Oct	Vietnam Airlines
21 Oct - 24 Oct	Jeju Air	direct
10 Oct - 14 Oct	VietJet Air
27 Oct - 03 Nov	VietJet Air
27 Oct - 02 Nov	VietJet Air
28 Oct - 02 Nov	VietJet Air
15 Oct - 22 Oct	VietJet Air
23 Oct - 27 Oct	VietJet Air
25 Oct - 01 Nov	VietJet Air
27 Oct - 30 Oct	VietJet Air
29 Oct - 01 Nov	VietJet Air
24 Oct - 26 Oct	VietJet Air
23 Oct - 26 Oct	VietJet Air
25 Oct - 08 Nov	VietJet Air
30 Oct - 03 Nov	VietJet Air
26 Oct - 02 Nov	VietJet Air
30 Oct - 02 Nov	VietJet Air
26 Oct - 08 Nov	VietJet Air

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

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Cheapest return flights from Busan to Singapore in October from 178€

Return flights