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
06 Aug - 10 Aug	Cebu Pacific
07 Aug - 10 Aug	Cebu Pacific
01 Aug - 06 Aug	Cebu Pacific
28 Aug - 04 Sep	Cebu Pacific
28 Aug - 04 Sep	Singapore Airlines	direct
01 Aug - 06 Aug	Asiana Airlines	direct
06 Aug - 10 Aug	Korean Air	direct
07 Aug - 10 Aug	Korean Air	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.

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Cheapest return flights from Singapore to Seoul in August from 201€

Return flights