AirHint found the following cheapest return flights from Seoul (ICN) to Colombo (CMB) in December 2026 (see full year).
Return flights
| 16 Dec - 27 Dec | SriLankan Airlines | direct | |
| 25 Dec - 01 Jan | Air China | ||
| 18 Dec - 29 Dec | Thai Airways | ||
| 25 Dec - 02 Jan | Thai Airways | ||
| 25 Dec - 03 Jan | Thai Airways | ||
| 05 Dec - 12 Dec | Thai Airways |
Also check the deals for one-way flights from Seoul to Colombo in December.
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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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