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

Return flights

08 Mar - 12 Mar	AirAsia
08 Mar - 25 Mar	AirAsia
17 Mar - 25 Mar	AirAsia
04 Mar - 09 Mar	AirAsia
04 Mar - 12 Mar	AirAsia
08 Mar - 13 Mar	AirAsia
08 Mar - 24 Mar	AirAsia
17 Mar - 24 Mar	AirAsia
04 Mar - 25 Mar	AirAsia
17 Mar - 01 Apr	AirAsia
04 Mar - 13 Mar	AirAsia
17 Mar - 03 Apr	AirAsia
11 Mar - 01 Apr	AirAsia
12 Mar - 01 Apr	AirAsia
29 Mar - 01 Apr	AirAsia
24 Mar - 01 Apr	AirAsia
29 Mar - 08 Apr	AirAsia
24 Mar - 03 Apr	AirAsia
24 Mar - 08 Apr	AirAsia
27 Mar - 01 Apr	AirAsia

Also check the deals for one-way flights from Colombo to Seoul 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 Colombo to Seoul in March from $542

Return flights