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

Return flights

23 Apr - 27 Apr	AirAsia X
08 Apr - 17 May	AirAsia X
01 Apr - 05 Apr	AirAsia X
02 Apr - 06 Apr	AirAsia X
01 Apr - 07 Apr	AirAsia X
23 Apr - 30 Apr	AirAsia X
30 Apr - 07 May	AirAsia X
07 Apr - 19 Apr	AirAsia X
01 Apr - 19 Apr	AirAsia X
04 Apr - 18 Apr	AirAsia X
30 Apr - 05 May	Air India
29 Apr - 05 May	Air India
08 Apr - 12 May	AirAsia X
22 Apr - 28 Apr	Air India
15 Apr - 27 Apr	Air India
28 Apr - 04 May	Air India
29 Apr - 04 May	Air India
20 Apr - 19 May	SriLankan Airlines	direct
27 Apr - 05 May	SriLankan Airlines	direct
27 Apr - 03 May	SriLankan Airlines	direct

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

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 April from 246€

Return flights