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

Return flights

01 Jul - 07 Jul	SriLankan Airlines	direct
08 Jul - 14 Jul	SriLankan Airlines	direct
29 Jul - 04 Aug	SriLankan Airlines	direct
01 Jul - 08 Jul	Thai Airways
01 Jul - 03 Jul	AirAsia X
01 Jul - 14 Jul	AirAsia X
25 Jul - 04 Aug	Thai AirAsia X
27 Jul - 04 Aug	Thai AirAsia X
25 Jul - 08 Aug	Thai AirAsia X
27 Jul - 08 Aug	Thai AirAsia X
29 Jul - 08 Aug	Thai AirAsia X
06 Jul - 11 Jul	Emirates

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

Book a cheap hotel in Colombo

Cheap car rent in Colombo

Cheapest return flights from Seoul to Colombo in July from 501€

Return flights