AirHint found the following cheapest return flights from Busan (PUS) to Singapore (SIN) in May 2026 (see full year).

Return flights

29 May - 05 Jun	Vietnam Airlines
21 May - 24 May	Vietnam Airlines
23 May - 29 May	Vietnam Airlines
06 May - 09 May	Vietnam Airlines
27 May - 30 May	Vietnam Airlines
21 May - 26 May	Vietnam Airlines
11 May - 15 May	Vietnam Airlines
19 May - 25 May	Vietnam Airlines
04 May - 14 May	Vietnam Airlines
04 May - 07 May	Vietnam Airlines
23 May - 25 May	Vietnam Airlines

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

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 May from $217

Return flights