AirHint found the following cheapest return flights from Seoul (ICN) to Singapore (SIN) in August 2026 (see full year).

Return flights

26 Aug - 31 Aug	Scoot	direct
19 Aug - 26 Aug	Scoot	direct
20 Aug - 25 Aug	Vietnam Airlines
24 Aug - 29 Aug	Scoot	direct
15 Aug - 19 Aug	Scoot	direct
19 Aug - 23 Aug	Vietnam Airlines
20 Aug - 24 Aug	Scoot
17 Aug - 21 Aug	Vietnam Airlines
21 Aug - 25 Aug	Vietnam Airlines
18 Aug - 23 Aug	Vietnam Airlines

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

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Seoul to Singapore in August from $207

Return flights