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

Return flights

30 Aug - 04 Sep	IndiGo
28 Aug - 31 Aug	IndiGo
29 Aug - 01 Sep	IndiGo
27 Aug - 31 Aug	Air India
29 Aug - 10 Sep	Air India Express
24 Aug - 30 Aug	IndiGo
27 Aug - 29 Aug	Air India Express
27 Aug - 03 Sep	Air India Express
27 Aug - 10 Sep	Air India Express
21 Aug - 28 Aug	IndiGo
22 Aug - 29 Aug	Air India
29 Aug - 17 Sep	Air India Express
18 Aug - 23 Aug	Air India
19 Aug - 25 Aug	IndiGo
22 Aug - 03 Sep	Air India Express
22 Aug - 10 Sep	Air India Express
20 Aug - 22 Aug	Air India Express

Also check the deals for one-way flights from Kolkata to Muscat in August.

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 August from $253

Return flights