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

Return flights

17 Jun - 22 Jun	Scoot	direct
24 Jun - 27 Jun	Scoot	direct
10 Jun - 15 Jun	Scoot	direct
06 Jun - 08 Jun	Royal Brunei
27 Jun - 03 Jul	Royal Brunei
13 Jun - 20 Jun	Scoot	direct
10 Jun - 14 Jun	Scoot
08 Jun - 14 Jun	Scoot
08 Jun - 12 Jun	Scoot
25 Jun - 29 Jun	Scoot
05 Jun - 07 Jun	Asiana Airlines	direct
27 Jun - 03 Jul	Asiana Airlines	direct
25 Jun - 03 Jul	AirAsia X
24 Jun - 03 Jul	AirAsia X
25 Jun - 10 Jul	AirAsia X
24 Jun - 10 Jul	AirAsia X
25 Jun - 06 Jul	AirAsia X
25 Jun - 01 Jul	AirAsia X
25 Jun - 07 Jul	AirAsia X
24 Jun - 06 Jul	AirAsia X

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

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 Seoul to Singapore in June from $235

Return flights