AirHint found the following cheapest return flights from Seoul (ICN) to Colombo (CMB) in May 2026 (see full year).
Return flights
| 08 May - 13 May | Air India | ||
| 04 May - 12 May | SriLankan Airlines | direct | |
| 18 May - 25 May | AirAsia X | ||
| 04 May - 10 May | Emirates |
Also check the deals for one-way flights from Seoul to Colombo in May.
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