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

Return flights

29 Aug - 31 Aug	Scoot	direct
19 Aug - 24 Aug	Scoot	direct
07 Aug - 12 Aug	Cebu Pacific
03 Aug - 10 Aug	Cebu Pacific
07 Aug - 10 Aug	Cebu Pacific
10 Aug - 15 Aug	Scoot	direct
04 Aug - 11 Aug	Cebu Pacific
06 Aug - 10 Aug	Scoot
07 Aug - 11 Aug	Cebu Pacific
05 Aug - 11 Aug	Cebu Pacific
28 Aug - 04 Sep	Cebu Pacific
28 Aug - 04 Sep	Singapore Airlines	direct
10 Aug - 04 Sep	Singapore Airlines	direct

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

Cheap car rent in Seoul

Cheapest return flights from Singapore to Seoul in August from $229

Return flights