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

Return flights

22 Aug - 29 Aug	T'way Air
27 Aug - 01 Sep	T'way Air
23 Aug - 29 Aug	Scoot
31 Aug - 02 Sep	Jeju Air	direct
27 Aug - 03 Sep	VietJet Air
23 Aug - 29 Aug	Jeju Air	direct
29 Aug - 05 Sep	VietJet Air
18 Aug - 29 Aug	Jeju Air	direct
18 Aug - 26 Aug	Jeju Air	direct
18 Aug - 20 Aug	Jeju Air	direct
18 Aug - 24 Aug	Jeju Air	direct
28 Aug - 01 Sep	VietJet Air
22 Aug - 27 Aug	VietJet Air
29 Aug - 01 Sep	VietJet Air
29 Aug - 02 Sep	VietJet Air
25 Aug - 30 Sep	VietJet Air
22 Aug - 27 Aug	Jeju Air	direct
22 Aug - 29 Aug	Jeju Air	direct
20 Aug - 30 Sep	VietJet Air
22 Aug - 30 Sep	VietJet Air

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

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 August from $300

Return flights