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

Return flights

18 Sep - 29 Sep	Etihad Airways
18 Sep - 29 Sep	SalamAir	direct
20 Sep - 30 Sep	SalamAir	direct
18 Sep - 04 Oct	SalamAir	direct
22 Sep - 06 Oct	SalamAir	direct
25 Sep - 29 Sep	Etihad Airways
29 Sep - 04 Oct	Etihad Airways
19 Sep - 26 Sep	Etihad Airways
18 Sep - 27 Sep	Etihad Airways
22 Sep - 27 Sep	Etihad Airways
18 Sep - 27 Sep	SalamAir	direct
22 Sep - 27 Sep	SalamAir	direct
24 Sep - 08 Oct	Etihad Airways
19 Sep - 24 Sep	SalamAir
16 Sep - 02 Oct	Etihad Airways
26 Sep - 03 Oct	Etihad Airways
24 Sep - 01 Oct	Etihad Airways
25 Sep - 11 Oct	flydubai

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

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 Muscat to Colombo in September from 208€

Return flights