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

Return flights

11 Dec - 31 Dec	Air Arabia
19 Dec - 24 Dec	SalamAir	direct
19 Dec - 25 Dec	SalamAir	direct
22 Dec - 26 Dec	Gulf Air
20 Dec - 26 Dec	Air Arabia
20 Dec - 25 Dec	Air Arabia
23 Dec - 28 Dec	Air Arabia
23 Dec - 26 Dec	Air Arabia
20 Dec - 25 Dec	SalamAir	direct
28 Dec - 28 Dec	SalamAir	direct
04 Dec - 19 Jan	Air Arabia

Also check the deals for one-way flights from Colombo to Muscat in December.

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 Muscat in December from 279€

Return flights