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

Return flights

04 Jun - 12 Jun	Thai AirAsia X
24 Jun - 28 Jun	AirAsia X
06 Jun - 12 Jun	Thai AirAsia X
03 Jun - 12 Jun	Thai AirAsia X
03 Jun - 12 Jun	SriLankan Airlines	direct
24 Jun - 28 Jun	SriLankan Airlines	direct
06 Jun - 15 Jun	Thai Airways
04 Jun - 15 Jun	Thai AirAsia X
03 Jun - 15 Jun	Thai AirAsia X
18 Jun - 25 Jun	Emirates

Also check the deals for one-way flights from Seoul to Colombo 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 Colombo in June from $539

Return flights