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

Return flights

05 Mar - 15 Mar	Malaysia Airlines
09 Mar - 14 Mar	AirAsia X
09 Mar - 15 Mar	AirAsia X
11 Mar - 14 Mar	AirAsia X
11 Mar - 15 Mar	AirAsia X
05 Mar - 14 Mar	AirAsia X
19 Mar - 07 Apr	Thai AirAsia X
25 Mar - 12 Apr	Thai AirAsia X
21 Mar - 07 Apr	Thai AirAsia X
25 Mar - 07 Apr	Thai AirAsia X
05 Mar - 09 Mar	AirAsia X
23 Mar - 31 Mar	SriLankan Airlines	direct
23 Mar - 12 Apr	Thai AirAsia X
25 Mar - 29 Mar	SriLankan Airlines	direct
19 Mar - 31 Mar	Thai AirAsia X
23 Mar - 07 Apr	Thai AirAsia X

Also check the deals for one-way flights from Seoul to Colombo in March.

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 March from 442€

Return flights