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

Return flights

02 Dec - 06 Dec	Akasa Air
10 Dec - 12 Dec	Air India Express
11 Dec - 03 Jan	Air India
10 Dec - 13 Dec	Air India
04 Dec - 12 Dec	Air India
08 Dec - 10 Dec	Air India
08 Dec - 12 Dec	Air India
01 Dec - 08 Dec	Akasa Air
08 Dec - 17 Dec	Akasa Air
03 Dec - 10 Dec	Air India Express
05 Dec - 10 Dec	Air India Express
26 Dec - 03 Jan	Akasa Air

Also check the deals for one-way flights from Kolkata 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 Kolkata to Muscat in December from 198€

Return flights