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

Return flights

24 Jun - 27 Jun	Scoot	direct
17 Jun - 22 Jun	Scoot	direct
30 Jun - 04 Jul	Scoot
03 Jun - 10 Jun	Scoot	direct
11 Jun - 15 Jun	Scoot
29 Jun - 03 Jul	Scoot
02 Jun - 08 Jun	Royal Brunei
30 Jun - 03 Jul	Royal Brunei
10 Jun - 14 Jun	Scoot
12 Jun - 15 Jun	Scoot
19 Jun - 22 Jun	Scoot
28 Jun - 01 Jul	Scoot
03 Jun - 09 Jun	Scoot
03 Jun - 07 Jun	Scoot
29 Jun - 03 Jul	Asiana Airlines	direct
30 Jun - 04 Jul	Asiana Airlines	direct
28 Jun - 01 Jul	Asiana Airlines	direct
28 Jun - 05 Jul	Scoot
30 Jun - 15 Jul	AirAsia X
30 Jun - 01 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 206€

Return flights