Cheapest return flights from Seoul to Colombo in December from 510€

Best time to book flights for Seoul (ICN) to Colombo (CMB) flights at AirHint

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

Return flights

10 Dec - 17 Dec Air China
31 Dec - 25 Jan Air China
31 Dec - 04 Jan Air China
24 Dec - 28 Dec Air China
26 Dec - 30 Dec Air China
26 Dec - 04 Jan Air China
05 Dec - 12 Dec Thai Airways
22 Dec - 29 Dec Thai Airways
20 Dec - 30 Dec Thai Airways
30 Dec - 04 Jan Thai Airways
31 Dec - 04 Jan SriLankan Airlines direct
31 Dec - 15 Jan Thai AirAsia X
26 Dec - 15 Jan Thai AirAsia X
30 Dec - 15 Jan Thai AirAsia X
20 Dec - 30 Dec SriLankan Airlines direct
24 Dec - 28 Dec SriLankan Airlines direct
24 Dec - 29 Dec Thai Airways
05 Dec - 17 Dec Thai AirAsia X
31 Dec - 16 Jan Thai AirAsia X
30 Dec - 16 Jan Thai AirAsia X

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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