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

Return flights

04 Dec - 10 Dec	Air India
01 Dec - 07 Dec	Air India
01 Dec - 05 Dec	Air India
19 Dec - 31 Dec	Air India
15 Dec - 21 Dec	Air India
20 Dec - 28 Dec	IndiGo
20 Dec - 27 Dec	IndiGo
26 Dec - 03 Jan	IndiGo
21 Dec - 27 Dec	IndiGo
27 Dec - 03 Jan	IndiGo
27 Dec - 27 Dec	Air India
20 Dec - 20 Dec	Air India

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 $221

Return flights