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

Return flights

02 Jul - 10 Jul	IndiGo
01 Jul - 09 Aug	IndiGo
02 Jul - 10 Aug	IndiGo
14 Jul - 21 Jul	Air Arabia
13 Jul - 20 Jul	Air Arabia
16 Jul - 23 Jul	Air Arabia
10 Jul - 17 Jul	IndiGo
21 Jul - 28 Jul	IndiGo
31 Jul - 07 Aug	SriLankan Airlines

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

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 July from $268

Return flights