AirHint found the following cheapest return flights from Colombo (CMB) to Seoul (ICN) in July 2025 (see full year).

Return flights

31 Jul - 07 Aug	AirAsia
09 Jul - 14 Jul	AirAsia
28 Jul - 06 Aug	AirAsia
31 Jul - 06 Aug	AirAsia
08 Jul - 15 Jul	AirAsia
28 Jul - 07 Aug	AirAsia
28 Jul - 11 Aug	AirAsia
27 Jul - 06 Aug	AirAsia
28 Jul - 05 Aug	AirAsia
28 Jul - 15 Aug	AirAsia
29 Jul - 11 Aug	Cathay Pacific
29 Jul - 06 Aug	AirAsia
06 Jul - 14 Jul	FitsAir
06 Jul - 16 Jul	AirAsia
16 Jul - 27 Jul	Cathay Pacific
28 Jul - 30 Jul	AirAsia
16 Jul - 21 Jul	AirAsia
16 Jul - 30 Jul	AirAsia
16 Jul - 18 Jul	AirAsia
13 Jul - 16 Jul	AirAsia

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

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 July from 346€

Return flights